tools/perf/builtin-c2c.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * This is rewrite of original c2c tool introduced in here:
   4  *   http://lwn.net/Articles/588866/
   5  *
   6  * The original tool was changed to fit in current perf state.
   7  *
   8  * Original authors:
   9  *   Don Zickus <dzickus@redhat.com>
  10  *   Dick Fowles <fowles@inreach.com>
  11  *   Joe Mario <jmario@redhat.com>
  12  */
  13 #include <errno.h>
  14 #include <inttypes.h>
  15 #include <linux/compiler.h>
  16 #include <linux/err.h>
  17 #include <linux/kernel.h>
  18 #include <linux/stringify.h>
  19 #include <linux/zalloc.h>
  20 #include <asm/bug.h>
  21 #include <sys/param.h>
  22 #include "debug.h"
  23 #include "builtin.h"
  24 #include <perf/cpumap.h>
  25 #include <subcmd/pager.h>
  26 #include <subcmd/parse-options.h>
  27 #include "map_symbol.h"
  28 #include "mem-events.h"
  29 #include "session.h"
  30 #include "hist.h"
  31 #include "sort.h"
  32 #include "tool.h"
  33 #include "cacheline.h"
  34 #include "data.h"
  35 #include "event.h"
  36 #include "evlist.h"
  37 #include "evsel.h"
  38 #include "ui/browsers/hists.h"
  39 #include "thread.h"
  40 #include "mem2node.h"
  41 #include "symbol.h"
  42 #include "ui/ui.h"
  43 #include "ui/progress.h"
  44 #include "../perf.h"
  45 #include "pmu.h"
  46 #include "pmu-hybrid.h"
  47 #include "string2.h"
  48
  49 struct c2c_hists {
  50         struct hists            hists;
  51         struct perf_hpp_list    list;
  52         struct c2c_stats        stats;
  53 };
  54
  55 struct compute_stats {
  56         struct stats             lcl_hitm;
  57         struct stats             rmt_hitm;
  58         struct stats             lcl_peer;
  59         struct stats             rmt_peer;
  60         struct stats             load;
  61 };
  62
  63 struct c2c_hist_entry {
  64         struct c2c_hists        *hists;
  65         struct c2c_stats         stats;
  66         unsigned long           *cpuset;
  67         unsigned long           *nodeset;
  68         struct c2c_stats        *node_stats;
  69         unsigned int             cacheline_idx;
  70
  71         struct compute_stats     cstats;
  72
  73         unsigned long            paddr;
  74         unsigned long            paddr_cnt;
  75         bool                     paddr_zero;
  76         char                    *nodestr;
  77
  78         /*
  79          * must be at the end,
  80          * because of its callchain dynamic entry
  81          */
  82         struct hist_entry       he;
  83 };
  84
  85 static char const *coalesce_default = "iaddr";
  86
  87 struct perf_c2c {
  88         struct perf_tool        tool;
  89         struct c2c_hists        hists;
  90         struct mem2node         mem2node;
  91
  92         unsigned long           **nodes;
  93         int                      nodes_cnt;
  94         int                      cpus_cnt;
  95         int                     *cpu2node;
  96         int                      node_info;
  97
  98         bool                     show_src;
  99         bool                     show_all;
 100         bool                     use_stdio;
 101         bool                     stats_only;
 102         bool                     symbol_full;
 103         bool                     stitch_lbr;
 104
 105         /* Shared cache line stats */
 106         struct c2c_stats        shared_clines_stats;
 107         int                     shared_clines;
 108
 109         int                      display;
 110
 111         const char              *coalesce;
 112         char                    *cl_sort;
 113         char                    *cl_resort;
 114         char                    *cl_output;
 115 };
 116
 117 enum {
 118         DISPLAY_LCL_HITM,
 119         DISPLAY_RMT_HITM,
 120         DISPLAY_TOT_HITM,
 121         DISPLAY_SNP_PEER,
 122         DISPLAY_MAX,
 123 };
 124
 125 static const char *display_str[DISPLAY_MAX] = {
 126         [DISPLAY_LCL_HITM] = "Local HITMs",
 127         [DISPLAY_RMT_HITM] = "Remote HITMs",
 128         [DISPLAY_TOT_HITM] = "Total HITMs",
 129         [DISPLAY_SNP_PEER] = "Peer Snoop",
 130 };
 131
 132 static const struct option c2c_options[] = {
 133         OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
 134         OPT_END()
 135 };
 136
 137 static struct perf_c2c c2c;
 138
 139 static void *c2c_he_zalloc(size_t size)
 140 {
 141         struct c2c_hist_entry *c2c_he;
 142
 143         c2c_he = zalloc(size + sizeof(*c2c_he));
 144         if (!c2c_he)
 145                 return NULL;
 146
 147         c2c_he->cpuset = bitmap_zalloc(c2c.cpus_cnt);
 148         if (!c2c_he->cpuset)
 149                 goto out_free;
 150
 151         c2c_he->nodeset = bitmap_zalloc(c2c.nodes_cnt);
 152         if (!c2c_he->nodeset)
 153                 goto out_free;
 154
 155         c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
 156         if (!c2c_he->node_stats)
 157                 goto out_free;
 158
 159         init_stats(&c2c_he->cstats.lcl_hitm);
 160         init_stats(&c2c_he->cstats.rmt_hitm);
 161         init_stats(&c2c_he->cstats.lcl_peer);
 162         init_stats(&c2c_he->cstats.rmt_peer);
 163         init_stats(&c2c_he->cstats.load);
 164
 165         return &c2c_he->he;
 166
 167 out_free:
 168         free(c2c_he->nodeset);
 169         free(c2c_he->cpuset);
 170         free(c2c_he);
 171         return NULL;
 172 }
 173
 174 static void c2c_he_free(void *he)
 175 {
 176         struct c2c_hist_entry *c2c_he;
 177
 178         c2c_he = container_of(he, struct c2c_hist_entry, he);
 179         if (c2c_he->hists) {
 180                 hists__delete_entries(&c2c_he->hists->hists);
 181                 free(c2c_he->hists);
 182         }
 183
 184         free(c2c_he->cpuset);
 185         free(c2c_he->nodeset);
 186         free(c2c_he->nodestr);
 187         free(c2c_he->node_stats);
 188         free(c2c_he);
 189 }
 190
 191 static struct hist_entry_ops c2c_entry_ops = {
 192         .new    = c2c_he_zalloc,
 193         .free   = c2c_he_free,
 194 };
 195
 196 static int c2c_hists__init(struct c2c_hists *hists,
 197                            const char *sort,
 198                            int nr_header_lines);
 199
 200 static struct c2c_hists*
 201 he__get_c2c_hists(struct hist_entry *he,
 202                   const char *sort,
 203                   int nr_header_lines)
 204 {
 205         struct c2c_hist_entry *c2c_he;
 206         struct c2c_hists *hists;
 207         int ret;
 208
 209         c2c_he = container_of(he, struct c2c_hist_entry, he);
 210         if (c2c_he->hists)
 211                 return c2c_he->hists;
 212
 213         hists = c2c_he->hists = zalloc(sizeof(*hists));
 214         if (!hists)
 215                 return NULL;
 216
 217         ret = c2c_hists__init(hists, sort, nr_header_lines);
 218         if (ret) {
 219                 free(hists);
 220                 return NULL;
 221         }
 222
 223         return hists;
 224 }
 225
 226 static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
 227                             struct perf_sample *sample)
 228 {
 229         if (WARN_ONCE(sample->cpu == (unsigned int) -1,
 230                       "WARNING: no sample cpu value"))
 231                 return;
 232
 233         __set_bit(sample->cpu, c2c_he->cpuset);
 234 }
 235
 236 static void c2c_he__set_node(struct c2c_hist_entry *c2c_he,
 237                              struct perf_sample *sample)
 238 {
 239         int node;
 240
 241         if (!sample->phys_addr) {
 242                 c2c_he->paddr_zero = true;
 243                 return;
 244         }
 245
 246         node = mem2node__node(&c2c.mem2node, sample->phys_addr);
 247         if (WARN_ONCE(node < 0, "WARNING: failed to find node\n"))
 248                 return;
 249
 250         __set_bit(node, c2c_he->nodeset);
 251
 252         if (c2c_he->paddr != sample->phys_addr) {
 253                 c2c_he->paddr_cnt++;
 254                 c2c_he->paddr = sample->phys_addr;
 255         }
 256 }
 257
 258 static void compute_stats(struct c2c_hist_entry *c2c_he,
 259                           struct c2c_stats *stats,
 260                           u64 weight)
 261 {
 262         struct compute_stats *cstats = &c2c_he->cstats;
 263
 264         if (stats->rmt_hitm)
 265                 update_stats(&cstats->rmt_hitm, weight);
 266         else if (stats->lcl_hitm)
 267                 update_stats(&cstats->lcl_hitm, weight);
 268         else if (stats->rmt_peer)
 269                 update_stats(&cstats->rmt_peer, weight);
 270         else if (stats->lcl_peer)
 271                 update_stats(&cstats->lcl_peer, weight);
 272         else if (stats->load)
 273                 update_stats(&cstats->load, weight);
 274 }
 275
 276 static int process_sample_event(struct perf_tool *tool __maybe_unused,
 277                                 union perf_event *event,
 278                                 struct perf_sample *sample,
 279                                 struct evsel *evsel,
 280                                 struct machine *machine)
 281 {
 282         struct c2c_hists *c2c_hists = &c2c.hists;
 283         struct c2c_hist_entry *c2c_he;
 284         struct c2c_stats stats = { .nr_entries = 0, };
 285         struct hist_entry *he;
 286         struct addr_location al;
 287         struct mem_info *mi, *mi_dup;
 288         int ret;
 289
 290         if (machine__resolve(machine, &al, sample) < 0) {
 291                 pr_debug("problem processing %d event, skipping it.\n",
 292                          event->header.type);
 293                 return -1;
 294         }
 295
 296         if (c2c.stitch_lbr)
 297                 al.thread->lbr_stitch_enable = true;
 298
 299         ret = sample__resolve_callchain(sample, &callchain_cursor, NULL,
 300                                         evsel, &al, sysctl_perf_event_max_stack);
 301         if (ret)
 302                 goto out;
 303
 304         mi = sample__resolve_mem(sample, &al);
 305         if (mi == NULL)
 306                 return -ENOMEM;
 307
 308         /*
 309          * The mi object is released in hists__add_entry_ops,
 310          * if it gets sorted out into existing data, so we need
 311          * to take the copy now.
 312          */
 313         mi_dup = mem_info__get(mi);
 314
 315         c2c_decode_stats(&stats, mi);
 316
 317         he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
 318                                   &al, NULL, NULL, mi,
 319                                   sample, true);
 320         if (he == NULL)
 321                 goto free_mi;
 322
 323         c2c_he = container_of(he, struct c2c_hist_entry, he);
 324         c2c_add_stats(&c2c_he->stats, &stats);
 325         c2c_add_stats(&c2c_hists->stats, &stats);
 326
 327         c2c_he__set_cpu(c2c_he, sample);
 328         c2c_he__set_node(c2c_he, sample);
 329
 330         hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
 331         ret = hist_entry__append_callchain(he, sample);
 332
 333         if (!ret) {
 334                 /*
 335                  * There's already been warning about missing
 336                  * sample's cpu value. Let's account all to
 337                  * node 0 in this case, without any further
 338                  * warning.
 339                  *
 340                  * Doing node stats only for single callchain data.
 341                  */
 342                 int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
 343                 int node = c2c.cpu2node[cpu];
 344
 345                 mi = mi_dup;
 346
 347                 c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2);
 348                 if (!c2c_hists)
 349                         goto free_mi;
 350
 351                 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
 352                                           &al, NULL, NULL, mi,
 353                                           sample, true);
 354                 if (he == NULL)
 355                         goto free_mi;
 356
 357                 c2c_he = container_of(he, struct c2c_hist_entry, he);
 358                 c2c_add_stats(&c2c_he->stats, &stats);
 359                 c2c_add_stats(&c2c_hists->stats, &stats);
 360                 c2c_add_stats(&c2c_he->node_stats[node], &stats);
 361
 362                 compute_stats(c2c_he, &stats, sample->weight);
 363
 364                 c2c_he__set_cpu(c2c_he, sample);
 365                 c2c_he__set_node(c2c_he, sample);
 366
 367                 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
 368                 ret = hist_entry__append_callchain(he, sample);
 369         }
 370
 371 out:
 372         addr_location__put(&al);
 373         return ret;
 374
 375 free_mi:
 376         mem_info__put(mi_dup);
 377         mem_info__put(mi);
 378         ret = -ENOMEM;
 379         goto out;
 380 }
 381
 382 static struct perf_c2c c2c = {
 383         .tool = {
 384                 .sample         = process_sample_event,
 385                 .mmap           = perf_event__process_mmap,
 386                 .mmap2          = perf_event__process_mmap2,
 387                 .comm           = perf_event__process_comm,
 388                 .exit           = perf_event__process_exit,
 389                 .fork           = perf_event__process_fork,
 390                 .lost           = perf_event__process_lost,
 391                 .attr           = perf_event__process_attr,
 392                 .auxtrace_info  = perf_event__process_auxtrace_info,
 393                 .auxtrace       = perf_event__process_auxtrace,
 394                 .auxtrace_error = perf_event__process_auxtrace_error,
 395                 .ordered_events = true,
 396                 .ordering_requires_timestamps = true,
 397         },
 398 };
 399
 400 static const char * const c2c_usage[] = {
 401         "perf c2c {record|report}",
 402         NULL
 403 };
 404
 405 static const char * const __usage_report[] = {
 406         "perf c2c report",
 407         NULL
 408 };
 409
 410 static const char * const *report_c2c_usage = __usage_report;
 411
 412 #define C2C_HEADER_MAX 2
 413
 414 struct c2c_header {
 415         struct {
 416                 const char *text;
 417                 int         span;
 418         } line[C2C_HEADER_MAX];
 419 };
 420
 421 struct c2c_dimension {
 422         struct c2c_header        header;
 423         const char              *name;
 424         int                      width;
 425         struct sort_entry       *se;
 426
 427         int64_t (*cmp)(struct perf_hpp_fmt *fmt,
 428                        struct hist_entry *, struct hist_entry *);
 429         int   (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 430                        struct hist_entry *he);
 431         int   (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 432                        struct hist_entry *he);
 433 };
 434
 435 struct c2c_fmt {
 436         struct perf_hpp_fmt      fmt;
 437         struct c2c_dimension    *dim;
 438 };
 439
 440 #define SYMBOL_WIDTH 30
 441
 442 static struct c2c_dimension dim_symbol;
 443 static struct c2c_dimension dim_srcline;
 444
 445 static int symbol_width(struct hists *hists, struct sort_entry *se)
 446 {
 447         int width = hists__col_len(hists, se->se_width_idx);
 448
 449         if (!c2c.symbol_full)
 450                 width = MIN(width, SYMBOL_WIDTH);
 451
 452         return width;
 453 }
 454
 455 static int c2c_width(struct perf_hpp_fmt *fmt,
 456                      struct perf_hpp *hpp __maybe_unused,
 457                      struct hists *hists)
 458 {
 459         struct c2c_fmt *c2c_fmt;
 460         struct c2c_dimension *dim;
 461
 462         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
 463         dim = c2c_fmt->dim;
 464
 465         if (dim == &dim_symbol || dim == &dim_srcline)
 466                 return symbol_width(hists, dim->se);
 467
 468         return dim->se ? hists__col_len(hists, dim->se->se_width_idx) :
 469                          c2c_fmt->dim->width;
 470 }
 471
 472 static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 473                       struct hists *hists, int line, int *span)
 474 {
 475         struct perf_hpp_list *hpp_list = hists->hpp_list;
 476         struct c2c_fmt *c2c_fmt;
 477         struct c2c_dimension *dim;
 478         const char *text = NULL;
 479         int width = c2c_width(fmt, hpp, hists);
 480
 481         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
 482         dim = c2c_fmt->dim;
 483
 484         if (dim->se) {
 485                 text = dim->header.line[line].text;
 486                 /* Use the last line from sort_entry if not defined. */
 487                 if (!text && (line == hpp_list->nr_header_lines - 1))
 488                         text = dim->se->se_header;
 489         } else {
 490                 text = dim->header.line[line].text;
 491
 492                 if (*span) {
 493                         (*span)--;
 494                         return 0;
 495                 } else {
 496                         *span = dim->header.line[line].span;
 497                 }
 498         }
 499
 500         if (text == NULL)
 501                 text = "";
 502
 503         return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
 504 }
 505
 506 #define HEX_STR(__s, __v)                               \
 507 ({                                                      \
 508         scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
 509         __s;                                            \
 510 })
 511
 512 static int64_t
 513 dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 514                struct hist_entry *left, struct hist_entry *right)
 515 {
 516         return sort__dcacheline_cmp(left, right);
 517 }
 518
 519 static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 520                             struct hist_entry *he)
 521 {
 522         uint64_t addr = 0;
 523         int width = c2c_width(fmt, hpp, he->hists);
 524         char buf[20];
 525
 526         if (he->mem_info)
 527                 addr = cl_address(he->mem_info->daddr.addr, chk_double_cl);
 528
 529         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 530 }
 531
 532 static int
 533 dcacheline_node_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 534                       struct hist_entry *he)
 535 {
 536         struct c2c_hist_entry *c2c_he;
 537         int width = c2c_width(fmt, hpp, he->hists);
 538
 539         c2c_he = container_of(he, struct c2c_hist_entry, he);
 540         if (WARN_ON_ONCE(!c2c_he->nodestr))
 541                 return 0;
 542
 543         return scnprintf(hpp->buf, hpp->size, "%*s", width, c2c_he->nodestr);
 544 }
 545
 546 static int
 547 dcacheline_node_count(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 548                       struct hist_entry *he)
 549 {
 550         struct c2c_hist_entry *c2c_he;
 551         int width = c2c_width(fmt, hpp, he->hists);
 552
 553         c2c_he = container_of(he, struct c2c_hist_entry, he);
 554         return scnprintf(hpp->buf, hpp->size, "%*lu", width, c2c_he->paddr_cnt);
 555 }
 556
 557 static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 558                         struct hist_entry *he)
 559 {
 560         uint64_t addr = 0;
 561         int width = c2c_width(fmt, hpp, he->hists);
 562         char buf[20];
 563
 564         if (he->mem_info)
 565                 addr = cl_offset(he->mem_info->daddr.al_addr, chk_double_cl);
 566
 567         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 568 }
 569
 570 static int64_t
 571 offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 572            struct hist_entry *left, struct hist_entry *right)
 573 {
 574         uint64_t l = 0, r = 0;
 575
 576         if (left->mem_info)
 577                 l = cl_offset(left->mem_info->daddr.addr, chk_double_cl);
 578
 579         if (right->mem_info)
 580                 r = cl_offset(right->mem_info->daddr.addr, chk_double_cl);
 581
 582         return (int64_t)(r - l);
 583 }
 584
 585 static int
 586 iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 587             struct hist_entry *he)
 588 {
 589         uint64_t addr = 0;
 590         int width = c2c_width(fmt, hpp, he->hists);
 591         char buf[20];
 592
 593         if (he->mem_info)
 594                 addr = he->mem_info->iaddr.addr;
 595
 596         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 597 }
 598
 599 static int64_t
 600 iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 601           struct hist_entry *left, struct hist_entry *right)
 602 {
 603         return sort__iaddr_cmp(left, right);
 604 }
 605
 606 static int
 607 tot_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 608                struct hist_entry *he)
 609 {
 610         struct c2c_hist_entry *c2c_he;
 611         int width = c2c_width(fmt, hpp, he->hists);
 612         unsigned int tot_hitm;
 613
 614         c2c_he = container_of(he, struct c2c_hist_entry, he);
 615         tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm;
 616
 617         return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm);
 618 }
 619
 620 static int64_t
 621 tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 622              struct hist_entry *left, struct hist_entry *right)
 623 {
 624         struct c2c_hist_entry *c2c_left;
 625         struct c2c_hist_entry *c2c_right;
 626         uint64_t tot_hitm_left;
 627         uint64_t tot_hitm_right;
 628
 629         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 630         c2c_right = container_of(right, struct c2c_hist_entry, he);
 631
 632         tot_hitm_left  = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm;
 633         tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm;
 634
 635         return tot_hitm_left - tot_hitm_right;
 636 }
 637
 638 #define STAT_FN_ENTRY(__f)                                      \
 639 static int                                                      \
 640 __f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,   \
 641               struct hist_entry *he)                            \
 642 {                                                               \
 643         struct c2c_hist_entry *c2c_he;                          \
 644         int width = c2c_width(fmt, hpp, he->hists);             \
 645                                                                 \
 646         c2c_he = container_of(he, struct c2c_hist_entry, he);   \
 647         return scnprintf(hpp->buf, hpp->size, "%*u", width,     \
 648                          c2c_he->stats.__f);                    \
 649 }
 650
 651 #define STAT_FN_CMP(__f)                                                \
 652 static int64_t                                                          \
 653 __f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused,                    \
 654             struct hist_entry *left, struct hist_entry *right)          \
 655 {                                                                       \
 656         struct c2c_hist_entry *c2c_left, *c2c_right;                    \
 657                                                                         \
 658         c2c_left  = container_of(left, struct c2c_hist_entry, he);      \
 659         c2c_right = container_of(right, struct c2c_hist_entry, he);     \
 660         return (uint64_t) c2c_left->stats.__f -                         \
 661                (uint64_t) c2c_right->stats.__f;                         \
 662 }
 663
 664 #define STAT_FN(__f)            \
 665         STAT_FN_ENTRY(__f)      \
 666         STAT_FN_CMP(__f)
 667
 668 STAT_FN(rmt_hitm)
 669 STAT_FN(lcl_hitm)
 670 STAT_FN(rmt_peer)
 671 STAT_FN(lcl_peer)
 672 STAT_FN(tot_peer)
 673 STAT_FN(store)
 674 STAT_FN(st_l1hit)
 675 STAT_FN(st_l1miss)
 676 STAT_FN(st_na)
 677 STAT_FN(ld_fbhit)
 678 STAT_FN(ld_l1hit)
 679 STAT_FN(ld_l2hit)
 680 STAT_FN(ld_llchit)
 681 STAT_FN(rmt_hit)
 682
 683 static uint64_t get_load_llc_misses(struct c2c_stats *stats)
 684 {
 685         return stats->lcl_dram +
 686                stats->rmt_dram +
 687                stats->rmt_hitm +
 688                stats->rmt_hit;
 689 }
 690
 691 static uint64_t get_load_cache_hits(struct c2c_stats *stats)
 692 {
 693         return stats->ld_fbhit +
 694                stats->ld_l1hit +
 695                stats->ld_l2hit +
 696                stats->ld_llchit +
 697                stats->lcl_hitm;
 698 }
 699
 700 static uint64_t get_stores(struct c2c_stats *stats)
 701 {
 702         return stats->st_l1hit +
 703                stats->st_l1miss +
 704                stats->st_na;
 705 }
 706
 707 static uint64_t total_records(struct c2c_stats *stats)
 708 {
 709         return get_load_llc_misses(stats) +
 710                get_load_cache_hits(stats) +
 711                get_stores(stats);
 712 }
 713
 714 static int
 715 tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 716                 struct hist_entry *he)
 717 {
 718         struct c2c_hist_entry *c2c_he;
 719         int width = c2c_width(fmt, hpp, he->hists);
 720         uint64_t tot_recs;
 721
 722         c2c_he = container_of(he, struct c2c_hist_entry, he);
 723         tot_recs = total_records(&c2c_he->stats);
 724
 725         return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
 726 }
 727
 728 static int64_t
 729 tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 730              struct hist_entry *left, struct hist_entry *right)
 731 {
 732         struct c2c_hist_entry *c2c_left;
 733         struct c2c_hist_entry *c2c_right;
 734         uint64_t tot_recs_left;
 735         uint64_t tot_recs_right;
 736
 737         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 738         c2c_right = container_of(right, struct c2c_hist_entry, he);
 739
 740         tot_recs_left  = total_records(&c2c_left->stats);
 741         tot_recs_right = total_records(&c2c_right->stats);
 742
 743         return tot_recs_left - tot_recs_right;
 744 }
 745
 746 static uint64_t total_loads(struct c2c_stats *stats)
 747 {
 748         return get_load_llc_misses(stats) +
 749                get_load_cache_hits(stats);
 750 }
 751
 752 static int
 753 tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 754                 struct hist_entry *he)
 755 {
 756         struct c2c_hist_entry *c2c_he;
 757         int width = c2c_width(fmt, hpp, he->hists);
 758         uint64_t tot_recs;
 759
 760         c2c_he = container_of(he, struct c2c_hist_entry, he);
 761         tot_recs = total_loads(&c2c_he->stats);
 762
 763         return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
 764 }
 765
 766 static int64_t
 767 tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 768               struct hist_entry *left, struct hist_entry *right)
 769 {
 770         struct c2c_hist_entry *c2c_left;
 771         struct c2c_hist_entry *c2c_right;
 772         uint64_t tot_recs_left;
 773         uint64_t tot_recs_right;
 774
 775         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 776         c2c_right = container_of(right, struct c2c_hist_entry, he);
 777
 778         tot_recs_left  = total_loads(&c2c_left->stats);
 779         tot_recs_right = total_loads(&c2c_right->stats);
 780
 781         return tot_recs_left - tot_recs_right;
 782 }
 783
 784 typedef double (get_percent_cb)(struct c2c_hist_entry *);
 785
 786 static int
 787 percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 788               struct hist_entry *he, get_percent_cb get_percent)
 789 {
 790         struct c2c_hist_entry *c2c_he;
 791         int width = c2c_width(fmt, hpp, he->hists);
 792         double per;
 793
 794         c2c_he = container_of(he, struct c2c_hist_entry, he);
 795         per = get_percent(c2c_he);
 796
 797 #ifdef HAVE_SLANG_SUPPORT
 798         if (use_browser)
 799                 return __hpp__slsmg_color_printf(hpp, "%*.2f%%", width - 1, per);
 800 #endif
 801         return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
 802 }
 803
 804 static double percent_costly_snoop(struct c2c_hist_entry *c2c_he)
 805 {
 806         struct c2c_hists *hists;
 807         struct c2c_stats *stats;
 808         struct c2c_stats *total;
 809         int tot = 0, st = 0;
 810         double p;
 811
 812         hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
 813         stats = &c2c_he->stats;
 814         total = &hists->stats;
 815
 816         switch (c2c.display) {
 817         case DISPLAY_RMT_HITM:
 818                 st  = stats->rmt_hitm;
 819                 tot = total->rmt_hitm;
 820                 break;
 821         case DISPLAY_LCL_HITM:
 822                 st  = stats->lcl_hitm;
 823                 tot = total->lcl_hitm;
 824                 break;
 825         case DISPLAY_TOT_HITM:
 826                 st  = stats->tot_hitm;
 827                 tot = total->tot_hitm;
 828                 break;
 829         case DISPLAY_SNP_PEER:
 830                 st  = stats->tot_peer;
 831                 tot = total->tot_peer;
 832                 break;
 833         default:
 834                 break;
 835         }
 836
 837         p = tot ? (double) st / tot : 0;
 838
 839         return 100 * p;
 840 }
 841
 842 #define PERC_STR(__s, __v)                              \
 843 ({                                                      \
 844         scnprintf(__s, sizeof(__s), "%.2F%%", __v);     \
 845         __s;                                            \
 846 })
 847
 848 static int
 849 percent_costly_snoop_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 850                            struct hist_entry *he)
 851 {
 852         struct c2c_hist_entry *c2c_he;
 853         int width = c2c_width(fmt, hpp, he->hists);
 854         char buf[10];
 855         double per;
 856
 857         c2c_he = container_of(he, struct c2c_hist_entry, he);
 858         per = percent_costly_snoop(c2c_he);
 859         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 860 }
 861
 862 static int
 863 percent_costly_snoop_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 864                            struct hist_entry *he)
 865 {
 866         return percent_color(fmt, hpp, he, percent_costly_snoop);
 867 }
 868
 869 static int64_t
 870 percent_costly_snoop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 871                          struct hist_entry *left, struct hist_entry *right)
 872 {
 873         struct c2c_hist_entry *c2c_left;
 874         struct c2c_hist_entry *c2c_right;
 875         double per_left;
 876         double per_right;
 877
 878         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 879         c2c_right = container_of(right, struct c2c_hist_entry, he);
 880
 881         per_left  = percent_costly_snoop(c2c_left);
 882         per_right = percent_costly_snoop(c2c_right);
 883
 884         return per_left - per_right;
 885 }
 886
 887 static struct c2c_stats *he_stats(struct hist_entry *he)
 888 {
 889         struct c2c_hist_entry *c2c_he;
 890
 891         c2c_he = container_of(he, struct c2c_hist_entry, he);
 892         return &c2c_he->stats;
 893 }
 894
 895 static struct c2c_stats *total_stats(struct hist_entry *he)
 896 {
 897         struct c2c_hists *hists;
 898
 899         hists = container_of(he->hists, struct c2c_hists, hists);
 900         return &hists->stats;
 901 }
 902
 903 static double percent(u32 st, u32 tot)
 904 {
 905         return tot ? 100. * (double) st / (double) tot : 0;
 906 }
 907
 908 #define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
 909
 910 #define PERCENT_FN(__f)                                                         \
 911 static double percent_ ## __f(struct c2c_hist_entry *c2c_he)                    \
 912 {                                                                               \
 913         struct c2c_hists *hists;                                                \
 914                                                                                 \
 915         hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);        \
 916         return percent(c2c_he->stats.__f, hists->stats.__f);                    \
 917 }
 918
 919 PERCENT_FN(rmt_hitm)
 920 PERCENT_FN(lcl_hitm)
 921 PERCENT_FN(rmt_peer)
 922 PERCENT_FN(lcl_peer)
 923 PERCENT_FN(st_l1hit)
 924 PERCENT_FN(st_l1miss)
 925 PERCENT_FN(st_na)
 926
 927 static int
 928 percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 929                        struct hist_entry *he)
 930 {
 931         int width = c2c_width(fmt, hpp, he->hists);
 932         double per = PERCENT(he, rmt_hitm);
 933         char buf[10];
 934
 935         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 936 }
 937
 938 static int
 939 percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 940                        struct hist_entry *he)
 941 {
 942         return percent_color(fmt, hpp, he, percent_rmt_hitm);
 943 }
 944
 945 static int64_t
 946 percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 947                      struct hist_entry *left, struct hist_entry *right)
 948 {
 949         double per_left;
 950         double per_right;
 951
 952         per_left  = PERCENT(left, rmt_hitm);
 953         per_right = PERCENT(right, rmt_hitm);
 954
 955         return per_left - per_right;
 956 }
 957
 958 static int
 959 percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 960                        struct hist_entry *he)
 961 {
 962         int width = c2c_width(fmt, hpp, he->hists);
 963         double per = PERCENT(he, lcl_hitm);
 964         char buf[10];
 965
 966         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 967 }
 968
 969 static int
 970 percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 971                        struct hist_entry *he)
 972 {
 973         return percent_color(fmt, hpp, he, percent_lcl_hitm);
 974 }
 975
 976 static int64_t
 977 percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 978                      struct hist_entry *left, struct hist_entry *right)
 979 {
 980         double per_left;
 981         double per_right;
 982
 983         per_left  = PERCENT(left, lcl_hitm);
 984         per_right = PERCENT(right, lcl_hitm);
 985
 986         return per_left - per_right;
 987 }
 988
 989 static int
 990 percent_lcl_peer_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 991                        struct hist_entry *he)
 992 {
 993         int width = c2c_width(fmt, hpp, he->hists);
 994         double per = PERCENT(he, lcl_peer);
 995         char buf[10];
 996
 997         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 998 }
 999
1000 static int
1001 percent_lcl_peer_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1002                        struct hist_entry *he)
1003 {
1004         return percent_color(fmt, hpp, he, percent_lcl_peer);
1005 }
1006
1007 static int64_t
1008 percent_lcl_peer_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1009                      struct hist_entry *left, struct hist_entry *right)
1010 {
1011         double per_left;
1012         double per_right;
1013
1014         per_left  = PERCENT(left, lcl_peer);
1015         per_right = PERCENT(right, lcl_peer);
1016
1017         return per_left - per_right;
1018 }
1019
1020 static int
1021 percent_rmt_peer_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1022                        struct hist_entry *he)
1023 {
1024         int width = c2c_width(fmt, hpp, he->hists);
1025         double per = PERCENT(he, rmt_peer);
1026         char buf[10];
1027
1028         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1029 }
1030
1031 static int
1032 percent_rmt_peer_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1033                        struct hist_entry *he)
1034 {
1035         return percent_color(fmt, hpp, he, percent_rmt_peer);
1036 }
1037
1038 static int64_t
1039 percent_rmt_peer_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1040                      struct hist_entry *left, struct hist_entry *right)
1041 {
1042         double per_left;
1043         double per_right;
1044
1045         per_left  = PERCENT(left, rmt_peer);
1046         per_right = PERCENT(right, rmt_peer);
1047
1048         return per_left - per_right;
1049 }
1050
1051 static int
1052 percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1053                            struct hist_entry *he)
1054 {
1055         int width = c2c_width(fmt, hpp, he->hists);
1056         double per = PERCENT(he, st_l1hit);
1057         char buf[10];
1058
1059         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1060 }
1061
1062 static int
1063 percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1064                            struct hist_entry *he)
1065 {
1066         return percent_color(fmt, hpp, he, percent_st_l1hit);
1067 }
1068
1069 static int64_t
1070 percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1071                         struct hist_entry *left, struct hist_entry *right)
1072 {
1073         double per_left;
1074         double per_right;
1075
1076         per_left  = PERCENT(left, st_l1hit);
1077         per_right = PERCENT(right, st_l1hit);
1078
1079         return per_left - per_right;
1080 }
1081
1082 static int
1083 percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1084                            struct hist_entry *he)
1085 {
1086         int width = c2c_width(fmt, hpp, he->hists);
1087         double per = PERCENT(he, st_l1miss);
1088         char buf[10];
1089
1090         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1091 }
1092
1093 static int
1094 percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1095                             struct hist_entry *he)
1096 {
1097         return percent_color(fmt, hpp, he, percent_st_l1miss);
1098 }
1099
1100 static int64_t
1101 percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1102                           struct hist_entry *left, struct hist_entry *right)
1103 {
1104         double per_left;
1105         double per_right;
1106
1107         per_left  = PERCENT(left, st_l1miss);
1108         per_right = PERCENT(right, st_l1miss);
1109
1110         return per_left - per_right;
1111 }
1112
1113 static int
1114 percent_stores_na_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1115                         struct hist_entry *he)
1116 {
1117         int width = c2c_width(fmt, hpp, he->hists);
1118         double per = PERCENT(he, st_na);
1119         char buf[10];
1120
1121         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1122 }
1123
1124 static int
1125 percent_stores_na_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1126                         struct hist_entry *he)
1127 {
1128         return percent_color(fmt, hpp, he, percent_st_na);
1129 }
1130
1131 static int64_t
1132 percent_stores_na_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1133                       struct hist_entry *left, struct hist_entry *right)
1134 {
1135         double per_left;
1136         double per_right;
1137
1138         per_left  = PERCENT(left, st_na);
1139         per_right = PERCENT(right, st_na);
1140
1141         return per_left - per_right;
1142 }
1143
1144 STAT_FN(lcl_dram)
1145 STAT_FN(rmt_dram)
1146
1147 static int
1148 pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1149           struct hist_entry *he)
1150 {
1151         int width = c2c_width(fmt, hpp, he->hists);
1152
1153         return scnprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_);
1154 }
1155
1156 static int64_t
1157 pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1158         struct hist_entry *left, struct hist_entry *right)
1159 {
1160         return left->thread->pid_ - right->thread->pid_;
1161 }
1162
1163 static int64_t
1164 empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1165           struct hist_entry *left __maybe_unused,
1166           struct hist_entry *right __maybe_unused)
1167 {
1168         return 0;
1169 }
1170
1171 static int display_metrics(struct perf_hpp *hpp, u32 val, u32 sum)
1172 {
1173         int ret;
1174
1175         if (sum != 0)
1176                 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ",
1177                                 percent(val, sum));
1178         else
1179                 ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a");
1180
1181         return ret;
1182 }
1183
1184 static int
1185 node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
1186            struct hist_entry *he)
1187 {
1188         struct c2c_hist_entry *c2c_he;
1189         bool first = true;
1190         int node;
1191         int ret = 0;
1192
1193         c2c_he = container_of(he, struct c2c_hist_entry, he);
1194
1195         for (node = 0; node < c2c.nodes_cnt; node++) {
1196                 DECLARE_BITMAP(set, c2c.cpus_cnt);
1197
1198                 bitmap_zero(set, c2c.cpus_cnt);
1199                 bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
1200
1201                 if (bitmap_empty(set, c2c.cpus_cnt)) {
1202                         if (c2c.node_info == 1) {
1203                                 ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
1204                                 advance_hpp(hpp, ret);
1205                         }
1206                         continue;
1207                 }
1208
1209                 if (!first) {
1210                         ret = scnprintf(hpp->buf, hpp->size, " ");
1211                         advance_hpp(hpp, ret);
1212                 }
1213
1214                 switch (c2c.node_info) {
1215                 case 0:
1216                         ret = scnprintf(hpp->buf, hpp->size, "%2d", node);
1217                         advance_hpp(hpp, ret);
1218                         break;
1219                 case 1:
1220                 {
1221                         int num = bitmap_weight(set, c2c.cpus_cnt);
1222                         struct c2c_stats *stats = &c2c_he->node_stats[node];
1223
1224                         ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
1225                         advance_hpp(hpp, ret);
1226
1227                         switch (c2c.display) {
1228                         case DISPLAY_RMT_HITM:
1229                                 ret = display_metrics(hpp, stats->rmt_hitm,
1230                                                       c2c_he->stats.rmt_hitm);
1231                                 break;
1232                         case DISPLAY_LCL_HITM:
1233                                 ret = display_metrics(hpp, stats->lcl_hitm,
1234                                                       c2c_he->stats.lcl_hitm);
1235                                 break;
1236                         case DISPLAY_TOT_HITM:
1237                                 ret = display_metrics(hpp, stats->tot_hitm,
1238                                                       c2c_he->stats.tot_hitm);
1239                                 break;
1240                         case DISPLAY_SNP_PEER:
1241                                 ret = display_metrics(hpp, stats->tot_peer,
1242                                                       c2c_he->stats.tot_peer);
1243                                 break;
1244                         default:
1245                                 break;
1246                         }
1247
1248                         advance_hpp(hpp, ret);
1249
1250                         if (c2c_he->stats.store > 0) {
1251                                 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}",
1252                                                 percent(stats->store, c2c_he->stats.store));
1253                         } else {
1254                                 ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a");
1255                         }
1256
1257                         advance_hpp(hpp, ret);
1258                         break;
1259                 }
1260                 case 2:
1261                         ret = scnprintf(hpp->buf, hpp->size, "%2d{", node);
1262                         advance_hpp(hpp, ret);
1263
1264                         ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size);
1265                         advance_hpp(hpp, ret);
1266
1267                         ret = scnprintf(hpp->buf, hpp->size, "}");
1268                         advance_hpp(hpp, ret);
1269                         break;
1270                 default:
1271                         break;
1272                 }
1273
1274                 first = false;
1275         }
1276
1277         return 0;
1278 }
1279
1280 static int
1281 mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1282            struct hist_entry *he, double mean)
1283 {
1284         int width = c2c_width(fmt, hpp, he->hists);
1285         char buf[10];
1286
1287         scnprintf(buf, 10, "%6.0f", mean);
1288         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1289 }
1290
1291 #define MEAN_ENTRY(__func, __val)                                               \
1292 static int                                                                      \
1293 __func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he)   \
1294 {                                                                               \
1295         struct c2c_hist_entry *c2c_he;                                          \
1296         c2c_he = container_of(he, struct c2c_hist_entry, he);                   \
1297         return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val));      \
1298 }
1299
1300 MEAN_ENTRY(mean_rmt_entry,  rmt_hitm);
1301 MEAN_ENTRY(mean_lcl_entry,  lcl_hitm);
1302 MEAN_ENTRY(mean_load_entry, load);
1303 MEAN_ENTRY(mean_rmt_peer_entry, rmt_peer);
1304 MEAN_ENTRY(mean_lcl_peer_entry, lcl_peer);
1305
1306 static int
1307 cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1308              struct hist_entry *he)
1309 {
1310         struct c2c_hist_entry *c2c_he;
1311         int width = c2c_width(fmt, hpp, he->hists);
1312         char buf[10];
1313
1314         c2c_he = container_of(he, struct c2c_hist_entry, he);
1315
1316         scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
1317         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1318 }
1319
1320 static int
1321 cl_idx_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1322              struct hist_entry *he)
1323 {
1324         struct c2c_hist_entry *c2c_he;
1325         int width = c2c_width(fmt, hpp, he->hists);
1326         char buf[10];
1327
1328         c2c_he = container_of(he, struct c2c_hist_entry, he);
1329
1330         scnprintf(buf, 10, "%u", c2c_he->cacheline_idx);
1331         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1332 }
1333
1334 static int
1335 cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1336                    struct hist_entry *he)
1337 {
1338         int width = c2c_width(fmt, hpp, he->hists);
1339
1340         return scnprintf(hpp->buf, hpp->size, "%*s", width, "");
1341 }
1342
1343 #define HEADER_LOW(__h)                 \
1344         {                               \
1345                 .line[1] = {            \
1346                         .text = __h,    \
1347                 },                      \
1348         }
1349
1350 #define HEADER_BOTH(__h0, __h1)         \
1351         {                               \
1352                 .line[0] = {            \
1353                         .text = __h0,   \
1354                 },                      \
1355                 .line[1] = {            \
1356                         .text = __h1,   \
1357                 },                      \
1358         }
1359
1360 #define HEADER_SPAN(__h0, __h1, __s)    \
1361         {                               \
1362                 .line[0] = {            \
1363                         .text = __h0,   \
1364                         .span = __s,    \
1365                 },                      \
1366                 .line[1] = {            \
1367                         .text = __h1,   \
1368                 },                      \
1369         }
1370
1371 #define HEADER_SPAN_LOW(__h)            \
1372         {                               \
1373                 .line[1] = {            \
1374                         .text = __h,    \
1375                 },                      \
1376         }
1377
1378 static struct c2c_dimension dim_dcacheline = {
1379         .header         = HEADER_SPAN("--- Cacheline ----", "Address", 2),
1380         .name           = "dcacheline",
1381         .cmp            = dcacheline_cmp,
1382         .entry          = dcacheline_entry,
1383         .width          = 18,
1384 };
1385
1386 static struct c2c_dimension dim_dcacheline_node = {
1387         .header         = HEADER_LOW("Node"),
1388         .name           = "dcacheline_node",
1389         .cmp            = empty_cmp,
1390         .entry          = dcacheline_node_entry,
1391         .width          = 4,
1392 };
1393
1394 static struct c2c_dimension dim_dcacheline_count = {
1395         .header         = HEADER_LOW("PA cnt"),
1396         .name           = "dcacheline_count",
1397         .cmp            = empty_cmp,
1398         .entry          = dcacheline_node_count,
1399         .width          = 6,
1400 };
1401
1402 static struct c2c_header header_offset_tui = HEADER_SPAN("-----", "Off", 2);
1403
1404 static struct c2c_dimension dim_offset = {
1405         .header         = HEADER_SPAN("--- Data address -", "Offset", 2),
1406         .name           = "offset",
1407         .cmp            = offset_cmp,
1408         .entry          = offset_entry,
1409         .width          = 18,
1410 };
1411
1412 static struct c2c_dimension dim_offset_node = {
1413         .header         = HEADER_LOW("Node"),
1414         .name           = "offset_node",
1415         .cmp            = empty_cmp,
1416         .entry          = dcacheline_node_entry,
1417         .width          = 4,
1418 };
1419
1420 static struct c2c_dimension dim_iaddr = {
1421         .header         = HEADER_LOW("Code address"),
1422         .name           = "iaddr",
1423         .cmp            = iaddr_cmp,
1424         .entry          = iaddr_entry,
1425         .width          = 18,
1426 };
1427
1428 static struct c2c_dimension dim_tot_hitm = {
1429         .header         = HEADER_SPAN("------- Load Hitm -------", "Total", 2),
1430         .name           = "tot_hitm",
1431         .cmp            = tot_hitm_cmp,
1432         .entry          = tot_hitm_entry,
1433         .width          = 7,
1434 };
1435
1436 static struct c2c_dimension dim_lcl_hitm = {
1437         .header         = HEADER_SPAN_LOW("LclHitm"),
1438         .name           = "lcl_hitm",
1439         .cmp            = lcl_hitm_cmp,
1440         .entry          = lcl_hitm_entry,
1441         .width          = 7,
1442 };
1443
1444 static struct c2c_dimension dim_rmt_hitm = {
1445         .header         = HEADER_SPAN_LOW("RmtHitm"),
1446         .name           = "rmt_hitm",
1447         .cmp            = rmt_hitm_cmp,
1448         .entry          = rmt_hitm_entry,
1449         .width          = 7,
1450 };
1451
1452 static struct c2c_dimension dim_tot_peer = {
1453         .header         = HEADER_SPAN("------- Load Peer -------", "Total", 2),
1454         .name           = "tot_peer",
1455         .cmp            = tot_peer_cmp,
1456         .entry          = tot_peer_entry,
1457         .width          = 7,
1458 };
1459
1460 static struct c2c_dimension dim_lcl_peer = {
1461         .header         = HEADER_SPAN_LOW("Local"),
1462         .name           = "lcl_peer",
1463         .cmp            = lcl_peer_cmp,
1464         .entry          = lcl_peer_entry,
1465         .width          = 7,
1466 };
1467
1468 static struct c2c_dimension dim_rmt_peer = {
1469         .header         = HEADER_SPAN_LOW("Remote"),
1470         .name           = "rmt_peer",
1471         .cmp            = rmt_peer_cmp,
1472         .entry          = rmt_peer_entry,
1473         .width          = 7,
1474 };
1475
1476 static struct c2c_dimension dim_cl_rmt_hitm = {
1477         .header         = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1478         .name           = "cl_rmt_hitm",
1479         .cmp            = rmt_hitm_cmp,
1480         .entry          = rmt_hitm_entry,
1481         .width          = 7,
1482 };
1483
1484 static struct c2c_dimension dim_cl_lcl_hitm = {
1485         .header         = HEADER_SPAN_LOW("Lcl"),
1486         .name           = "cl_lcl_hitm",
1487         .cmp            = lcl_hitm_cmp,
1488         .entry          = lcl_hitm_entry,
1489         .width          = 7,
1490 };
1491
1492 static struct c2c_dimension dim_cl_rmt_peer = {
1493         .header         = HEADER_SPAN("----- Peer -----", "Rmt", 1),
1494         .name           = "cl_rmt_peer",
1495         .cmp            = rmt_peer_cmp,
1496         .entry          = rmt_peer_entry,
1497         .width          = 7,
1498 };
1499
1500 static struct c2c_dimension dim_cl_lcl_peer = {
1501         .header         = HEADER_SPAN_LOW("Lcl"),
1502         .name           = "cl_lcl_peer",
1503         .cmp            = lcl_peer_cmp,
1504         .entry          = lcl_peer_entry,
1505         .width          = 7,
1506 };
1507
1508 static struct c2c_dimension dim_tot_stores = {
1509         .header         = HEADER_BOTH("Total", "Stores"),
1510         .name           = "tot_stores",
1511         .cmp            = store_cmp,
1512         .entry          = store_entry,
1513         .width          = 7,
1514 };
1515
1516 static struct c2c_dimension dim_stores_l1hit = {
1517         .header         = HEADER_SPAN("--------- Stores --------", "L1Hit", 2),
1518         .name           = "stores_l1hit",
1519         .cmp            = st_l1hit_cmp,
1520         .entry          = st_l1hit_entry,
1521         .width          = 7,
1522 };
1523
1524 static struct c2c_dimension dim_stores_l1miss = {
1525         .header         = HEADER_SPAN_LOW("L1Miss"),
1526         .name           = "stores_l1miss",
1527         .cmp            = st_l1miss_cmp,
1528         .entry          = st_l1miss_entry,
1529         .width          = 7,
1530 };
1531
1532 static struct c2c_dimension dim_stores_na = {
1533         .header         = HEADER_SPAN_LOW("N/A"),
1534         .name           = "stores_na",
1535         .cmp            = st_na_cmp,
1536         .entry          = st_na_entry,
1537         .width          = 7,
1538 };
1539
1540 static struct c2c_dimension dim_cl_stores_l1hit = {
1541         .header         = HEADER_SPAN("------- Store Refs ------", "L1 Hit", 2),
1542         .name           = "cl_stores_l1hit",
1543         .cmp            = st_l1hit_cmp,
1544         .entry          = st_l1hit_entry,
1545         .width          = 7,
1546 };
1547
1548 static struct c2c_dimension dim_cl_stores_l1miss = {
1549         .header         = HEADER_SPAN_LOW("L1 Miss"),
1550         .name           = "cl_stores_l1miss",
1551         .cmp            = st_l1miss_cmp,
1552         .entry          = st_l1miss_entry,
1553         .width          = 7,
1554 };
1555
1556 static struct c2c_dimension dim_cl_stores_na = {
1557         .header         = HEADER_SPAN_LOW("N/A"),
1558         .name           = "cl_stores_na",
1559         .cmp            = st_na_cmp,
1560         .entry          = st_na_entry,
1561         .width          = 7,
1562 };
1563
1564 static struct c2c_dimension dim_ld_fbhit = {
1565         .header         = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
1566         .name           = "ld_fbhit",
1567         .cmp            = ld_fbhit_cmp,
1568         .entry          = ld_fbhit_entry,
1569         .width          = 7,
1570 };
1571
1572 static struct c2c_dimension dim_ld_l1hit = {
1573         .header         = HEADER_SPAN_LOW("L1"),
1574         .name           = "ld_l1hit",
1575         .cmp            = ld_l1hit_cmp,
1576         .entry          = ld_l1hit_entry,
1577         .width          = 7,
1578 };
1579
1580 static struct c2c_dimension dim_ld_l2hit = {
1581         .header         = HEADER_SPAN_LOW("L2"),
1582         .name           = "ld_l2hit",
1583         .cmp            = ld_l2hit_cmp,
1584         .entry          = ld_l2hit_entry,
1585         .width          = 7,
1586 };
1587
1588 static struct c2c_dimension dim_ld_llchit = {
1589         .header         = HEADER_SPAN("- LLC Load Hit --", "LclHit", 1),
1590         .name           = "ld_lclhit",
1591         .cmp            = ld_llchit_cmp,
1592         .entry          = ld_llchit_entry,
1593         .width          = 8,
1594 };
1595
1596 static struct c2c_dimension dim_ld_rmthit = {
1597         .header         = HEADER_SPAN("- RMT Load Hit --", "RmtHit", 1),
1598         .name           = "ld_rmthit",
1599         .cmp            = rmt_hit_cmp,
1600         .entry          = rmt_hit_entry,
1601         .width          = 8,
1602 };
1603
1604 static struct c2c_dimension dim_tot_recs = {
1605         .header         = HEADER_BOTH("Total", "records"),
1606         .name           = "tot_recs",
1607         .cmp            = tot_recs_cmp,
1608         .entry          = tot_recs_entry,
1609         .width          = 7,
1610 };
1611
1612 static struct c2c_dimension dim_tot_loads = {
1613         .header         = HEADER_BOTH("Total", "Loads"),
1614         .name           = "tot_loads",
1615         .cmp            = tot_loads_cmp,
1616         .entry          = tot_loads_entry,
1617         .width          = 7,
1618 };
1619
1620 static struct c2c_header percent_costly_snoop_header[] = {
1621         [DISPLAY_LCL_HITM] = HEADER_BOTH("Lcl", "Hitm"),
1622         [DISPLAY_RMT_HITM] = HEADER_BOTH("Rmt", "Hitm"),
1623         [DISPLAY_TOT_HITM] = HEADER_BOTH("Tot", "Hitm"),
1624         [DISPLAY_SNP_PEER] = HEADER_BOTH("Peer", "Snoop"),
1625 };
1626
1627 static struct c2c_dimension dim_percent_costly_snoop = {
1628         .name           = "percent_costly_snoop",
1629         .cmp            = percent_costly_snoop_cmp,
1630         .entry          = percent_costly_snoop_entry,
1631         .color          = percent_costly_snoop_color,
1632         .width          = 7,
1633 };
1634
1635 static struct c2c_dimension dim_percent_rmt_hitm = {
1636         .header         = HEADER_SPAN("----- HITM -----", "RmtHitm", 1),
1637         .name           = "percent_rmt_hitm",
1638         .cmp            = percent_rmt_hitm_cmp,
1639         .entry          = percent_rmt_hitm_entry,
1640         .color          = percent_rmt_hitm_color,
1641         .width          = 7,
1642 };
1643
1644 static struct c2c_dimension dim_percent_lcl_hitm = {
1645         .header         = HEADER_SPAN_LOW("LclHitm"),
1646         .name           = "percent_lcl_hitm",
1647         .cmp            = percent_lcl_hitm_cmp,
1648         .entry          = percent_lcl_hitm_entry,
1649         .color          = percent_lcl_hitm_color,
1650         .width          = 7,
1651 };
1652
1653 static struct c2c_dimension dim_percent_rmt_peer = {
1654         .header         = HEADER_SPAN("-- Peer Snoop --", "Rmt", 1),
1655         .name           = "percent_rmt_peer",
1656         .cmp            = percent_rmt_peer_cmp,
1657         .entry          = percent_rmt_peer_entry,
1658         .color          = percent_rmt_peer_color,
1659         .width          = 7,
1660 };
1661
1662 static struct c2c_dimension dim_percent_lcl_peer = {
1663         .header         = HEADER_SPAN_LOW("Lcl"),
1664         .name           = "percent_lcl_peer",
1665         .cmp            = percent_lcl_peer_cmp,
1666         .entry          = percent_lcl_peer_entry,
1667         .color          = percent_lcl_peer_color,
1668         .width          = 7,
1669 };
1670
1671 static struct c2c_dimension dim_percent_stores_l1hit = {
1672         .header         = HEADER_SPAN("------- Store Refs ------", "L1 Hit", 2),
1673         .name           = "percent_stores_l1hit",
1674         .cmp            = percent_stores_l1hit_cmp,
1675         .entry          = percent_stores_l1hit_entry,
1676         .color          = percent_stores_l1hit_color,
1677         .width          = 7,
1678 };
1679
1680 static struct c2c_dimension dim_percent_stores_l1miss = {
1681         .header         = HEADER_SPAN_LOW("L1 Miss"),
1682         .name           = "percent_stores_l1miss",
1683         .cmp            = percent_stores_l1miss_cmp,
1684         .entry          = percent_stores_l1miss_entry,
1685         .color          = percent_stores_l1miss_color,
1686         .width          = 7,
1687 };
1688
1689 static struct c2c_dimension dim_percent_stores_na = {
1690         .header         = HEADER_SPAN_LOW("N/A"),
1691         .name           = "percent_stores_na",
1692         .cmp            = percent_stores_na_cmp,
1693         .entry          = percent_stores_na_entry,
1694         .color          = percent_stores_na_color,
1695         .width          = 7,
1696 };
1697
1698 static struct c2c_dimension dim_dram_lcl = {
1699         .header         = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
1700         .name           = "dram_lcl",
1701         .cmp            = lcl_dram_cmp,
1702         .entry          = lcl_dram_entry,
1703         .width          = 8,
1704 };
1705
1706 static struct c2c_dimension dim_dram_rmt = {
1707         .header         = HEADER_SPAN_LOW("Rmt"),
1708         .name           = "dram_rmt",
1709         .cmp            = rmt_dram_cmp,
1710         .entry          = rmt_dram_entry,
1711         .width          = 8,
1712 };
1713
1714 static struct c2c_dimension dim_pid = {
1715         .header         = HEADER_LOW("Pid"),
1716         .name           = "pid",
1717         .cmp            = pid_cmp,
1718         .entry          = pid_entry,
1719         .width          = 7,
1720 };
1721
1722 static struct c2c_dimension dim_tid = {
1723         .header         = HEADER_LOW("Tid"),
1724         .name           = "tid",
1725         .se             = &sort_thread,
1726 };
1727
1728 static struct c2c_dimension dim_symbol = {
1729         .name           = "symbol",
1730         .se             = &sort_sym,
1731 };
1732
1733 static struct c2c_dimension dim_dso = {
1734         .header         = HEADER_BOTH("Shared", "Object"),
1735         .name           = "dso",
1736         .se             = &sort_dso,
1737 };
1738
1739 static struct c2c_dimension dim_node = {
1740         .name           = "node",
1741         .cmp            = empty_cmp,
1742         .entry          = node_entry,
1743         .width          = 4,
1744 };
1745
1746 static struct c2c_dimension dim_mean_rmt = {
1747         .header         = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2),
1748         .name           = "mean_rmt",
1749         .cmp            = empty_cmp,
1750         .entry          = mean_rmt_entry,
1751         .width          = 8,
1752 };
1753
1754 static struct c2c_dimension dim_mean_lcl = {
1755         .header         = HEADER_SPAN_LOW("lcl hitm"),
1756         .name           = "mean_lcl",
1757         .cmp            = empty_cmp,
1758         .entry          = mean_lcl_entry,
1759         .width          = 8,
1760 };
1761
1762 static struct c2c_dimension dim_mean_load = {
1763         .header         = HEADER_SPAN_LOW("load"),
1764         .name           = "mean_load",
1765         .cmp            = empty_cmp,
1766         .entry          = mean_load_entry,
1767         .width          = 8,
1768 };
1769
1770 static struct c2c_dimension dim_mean_rmt_peer = {
1771         .header         = HEADER_SPAN("---------- cycles ----------", "rmt peer", 2),
1772         .name           = "mean_rmt_peer",
1773         .cmp            = empty_cmp,
1774         .entry          = mean_rmt_peer_entry,
1775         .width          = 8,
1776 };
1777
1778 static struct c2c_dimension dim_mean_lcl_peer = {
1779         .header         = HEADER_SPAN_LOW("lcl peer"),
1780         .name           = "mean_lcl_peer",
1781         .cmp            = empty_cmp,
1782         .entry          = mean_lcl_peer_entry,
1783         .width          = 8,
1784 };
1785
1786 static struct c2c_dimension dim_cpucnt = {
1787         .header         = HEADER_BOTH("cpu", "cnt"),
1788         .name           = "cpucnt",
1789         .cmp            = empty_cmp,
1790         .entry          = cpucnt_entry,
1791         .width          = 8,
1792 };
1793
1794 static struct c2c_dimension dim_srcline = {
1795         .name           = "cl_srcline",
1796         .se             = &sort_srcline,
1797 };
1798
1799 static struct c2c_dimension dim_dcacheline_idx = {
1800         .header         = HEADER_LOW("Index"),
1801         .name           = "cl_idx",
1802         .cmp            = empty_cmp,
1803         .entry          = cl_idx_entry,
1804         .width          = 5,
1805 };
1806
1807 static struct c2c_dimension dim_dcacheline_num = {
1808         .header         = HEADER_LOW("Num"),
1809         .name           = "cl_num",
1810         .cmp            = empty_cmp,
1811         .entry          = cl_idx_entry,
1812         .width          = 5,
1813 };
1814
1815 static struct c2c_dimension dim_dcacheline_num_empty = {
1816         .header         = HEADER_LOW("Num"),
1817         .name           = "cl_num_empty",
1818         .cmp            = empty_cmp,
1819         .entry          = cl_idx_empty_entry,
1820         .width          = 5,
1821 };
1822
1823 static struct c2c_dimension *dimensions[] = {
1824         &dim_dcacheline,
1825         &dim_dcacheline_node,
1826         &dim_dcacheline_count,
1827         &dim_offset,
1828         &dim_offset_node,
1829         &dim_iaddr,
1830         &dim_tot_hitm,
1831         &dim_lcl_hitm,
1832         &dim_rmt_hitm,
1833         &dim_tot_peer,
1834         &dim_lcl_peer,
1835         &dim_rmt_peer,
1836         &dim_cl_lcl_hitm,
1837         &dim_cl_rmt_hitm,
1838         &dim_cl_lcl_peer,
1839         &dim_cl_rmt_peer,
1840         &dim_tot_stores,
1841         &dim_stores_l1hit,
1842         &dim_stores_l1miss,
1843         &dim_stores_na,
1844         &dim_cl_stores_l1hit,
1845         &dim_cl_stores_l1miss,
1846         &dim_cl_stores_na,
1847         &dim_ld_fbhit,
1848         &dim_ld_l1hit,
1849         &dim_ld_l2hit,
1850         &dim_ld_llchit,
1851         &dim_ld_rmthit,
1852         &dim_tot_recs,
1853         &dim_tot_loads,
1854         &dim_percent_costly_snoop,
1855         &dim_percent_rmt_hitm,
1856         &dim_percent_lcl_hitm,
1857         &dim_percent_rmt_peer,
1858         &dim_percent_lcl_peer,
1859         &dim_percent_stores_l1hit,
1860         &dim_percent_stores_l1miss,
1861         &dim_percent_stores_na,
1862         &dim_dram_lcl,
1863         &dim_dram_rmt,
1864         &dim_pid,
1865         &dim_tid,
1866         &dim_symbol,
1867         &dim_dso,
1868         &dim_node,
1869         &dim_mean_rmt,
1870         &dim_mean_lcl,
1871         &dim_mean_rmt_peer,
1872         &dim_mean_lcl_peer,
1873         &dim_mean_load,
1874         &dim_cpucnt,
1875         &dim_srcline,
1876         &dim_dcacheline_idx,
1877         &dim_dcacheline_num,
1878         &dim_dcacheline_num_empty,
1879         NULL,
1880 };
1881
1882 static void fmt_free(struct perf_hpp_fmt *fmt)
1883 {
1884         struct c2c_fmt *c2c_fmt;
1885
1886         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1887         free(c2c_fmt);
1888 }
1889
1890 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1891 {
1892         struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt);
1893         struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt);
1894
1895         return c2c_a->dim == c2c_b->dim;
1896 }
1897
1898 static struct c2c_dimension *get_dimension(const char *name)
1899 {
1900         unsigned int i;
1901
1902         for (i = 0; dimensions[i]; i++) {
1903                 struct c2c_dimension *dim = dimensions[i];
1904
1905                 if (!strcmp(dim->name, name))
1906                         return dim;
1907         }
1908
1909         return NULL;
1910 }
1911
1912 static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1913                         struct hist_entry *he)
1914 {
1915         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1916         struct c2c_dimension *dim = c2c_fmt->dim;
1917         size_t len = fmt->user_len;
1918
1919         if (!len) {
1920                 len = hists__col_len(he->hists, dim->se->se_width_idx);
1921
1922                 if (dim == &dim_symbol || dim == &dim_srcline)
1923                         len = symbol_width(he->hists, dim->se);
1924         }
1925
1926         return dim->se->se_snprintf(he, hpp->buf, hpp->size, len);
1927 }
1928
1929 static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt,
1930                           struct hist_entry *a, struct hist_entry *b)
1931 {
1932         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1933         struct c2c_dimension *dim = c2c_fmt->dim;
1934
1935         return dim->se->se_cmp(a, b);
1936 }
1937
1938 static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt,
1939                                struct hist_entry *a, struct hist_entry *b)
1940 {
1941         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1942         struct c2c_dimension *dim = c2c_fmt->dim;
1943         int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1944
1945         collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp;
1946         return collapse_fn(a, b);
1947 }
1948
1949 static struct c2c_fmt *get_format(const char *name)
1950 {
1951         struct c2c_dimension *dim = get_dimension(name);
1952         struct c2c_fmt *c2c_fmt;
1953         struct perf_hpp_fmt *fmt;
1954
1955         if (!dim)
1956                 return NULL;
1957
1958         c2c_fmt = zalloc(sizeof(*c2c_fmt));
1959         if (!c2c_fmt)
1960                 return NULL;
1961
1962         c2c_fmt->dim = dim;
1963
1964         fmt = &c2c_fmt->fmt;
1965         INIT_LIST_HEAD(&fmt->list);
1966         INIT_LIST_HEAD(&fmt->sort_list);
1967
1968         fmt->cmp        = dim->se ? c2c_se_cmp   : dim->cmp;
1969         fmt->sort       = dim->se ? c2c_se_cmp   : dim->cmp;
1970         fmt->color      = dim->se ? NULL         : dim->color;
1971         fmt->entry      = dim->se ? c2c_se_entry : dim->entry;
1972         fmt->header     = c2c_header;
1973         fmt->width      = c2c_width;
1974         fmt->collapse   = dim->se ? c2c_se_collapse : dim->cmp;
1975         fmt->equal      = fmt_equal;
1976         fmt->free       = fmt_free;
1977
1978         return c2c_fmt;
1979 }
1980
1981 static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
1982 {
1983         struct c2c_fmt *c2c_fmt = get_format(name);
1984
1985         if (!c2c_fmt) {
1986                 reset_dimensions();
1987                 return output_field_add(hpp_list, name);
1988         }
1989
1990         perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
1991         return 0;
1992 }
1993
1994 static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
1995 {
1996         struct c2c_fmt *c2c_fmt = get_format(name);
1997         struct c2c_dimension *dim;
1998
1999         if (!c2c_fmt) {
2000                 reset_dimensions();
2001                 return sort_dimension__add(hpp_list, name, NULL, 0);
2002         }
2003
2004         dim = c2c_fmt->dim;
2005         if (dim == &dim_dso)
2006                 hpp_list->dso = 1;
2007
2008         perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
2009         return 0;
2010 }
2011
2012 #define PARSE_LIST(_list, _fn)                                                  \
2013         do {                                                                    \
2014                 char *tmp, *tok;                                                \
2015                 ret = 0;                                                        \
2016                                                                                 \
2017                 if (!_list)                                                     \
2018                         break;                                                  \
2019                                                                                 \
2020                 for (tok = strtok_r((char *)_list, ", ", &tmp);                 \
2021                                 tok; tok = strtok_r(NULL, ", ", &tmp)) {        \
2022                         ret = _fn(hpp_list, tok);                               \
2023                         if (ret == -EINVAL) {                                   \
2024                                 pr_err("Invalid --fields key: `%s'", tok);      \
2025                                 break;                                          \
2026                         } else if (ret == -ESRCH) {                             \
2027                                 pr_err("Unknown --fields key: `%s'", tok);      \
2028                                 break;                                          \
2029                         }                                                       \
2030                 }                                                               \
2031         } while (0)
2032
2033 static int hpp_list__parse(struct perf_hpp_list *hpp_list,
2034                            const char *output_,
2035                            const char *sort_)
2036 {
2037         char *output = output_ ? strdup(output_) : NULL;
2038         char *sort   = sort_   ? strdup(sort_) : NULL;
2039         int ret;
2040
2041         PARSE_LIST(output, c2c_hists__init_output);
2042         PARSE_LIST(sort,   c2c_hists__init_sort);
2043
2044         /* copy sort keys to output fields */
2045         perf_hpp__setup_output_field(hpp_list);
2046
2047         /*
2048          * We dont need other sorting keys other than those
2049          * we already specified. It also really slows down
2050          * the processing a lot with big number of output
2051          * fields, so switching this off for c2c.
2052          */
2053
2054 #if 0
2055         /* and then copy output fields to sort keys */
2056         perf_hpp__append_sort_keys(&hists->list);
2057 #endif
2058
2059         free(output);
2060         free(sort);
2061         return ret;
2062 }
2063
2064 static int c2c_hists__init(struct c2c_hists *hists,
2065                            const char *sort,
2066                            int nr_header_lines)
2067 {
2068         __hists__init(&hists->hists, &hists->list);
2069
2070         /*
2071          * Initialize only with sort fields, we need to resort
2072          * later anyway, and that's where we add output fields
2073          * as well.
2074          */
2075         perf_hpp_list__init(&hists->list);
2076
2077         /* Overload number of header lines.*/
2078         hists->list.nr_header_lines = nr_header_lines;
2079
2080         return hpp_list__parse(&hists->list, NULL, sort);
2081 }
2082
2083 static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
2084                              const char *output,
2085                              const char *sort)
2086 {
2087         perf_hpp__reset_output_field(&c2c_hists->list);
2088         return hpp_list__parse(&c2c_hists->list, output, sort);
2089 }
2090
2091 #define DISPLAY_LINE_LIMIT  0.001
2092
2093 static u8 filter_display(u32 val, u32 sum)
2094 {
2095         if (sum == 0 || ((double)val / sum) < DISPLAY_LINE_LIMIT)
2096                 return HIST_FILTER__C2C;
2097
2098         return 0;
2099 }
2100
2101 static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
2102 {
2103         struct c2c_hist_entry *c2c_he;
2104
2105         if (c2c.show_all)
2106                 return true;
2107
2108         c2c_he = container_of(he, struct c2c_hist_entry, he);
2109
2110         switch (c2c.display) {
2111         case DISPLAY_LCL_HITM:
2112                 he->filtered = filter_display(c2c_he->stats.lcl_hitm,
2113                                               stats->lcl_hitm);
2114                 break;
2115         case DISPLAY_RMT_HITM:
2116                 he->filtered = filter_display(c2c_he->stats.rmt_hitm,
2117                                               stats->rmt_hitm);
2118                 break;
2119         case DISPLAY_TOT_HITM:
2120                 he->filtered = filter_display(c2c_he->stats.tot_hitm,
2121                                               stats->tot_hitm);
2122                 break;
2123         case DISPLAY_SNP_PEER:
2124                 he->filtered = filter_display(c2c_he->stats.tot_peer,
2125                                               stats->tot_peer);
2126                 break;
2127         default:
2128                 break;
2129         }
2130
2131         return he->filtered == 0;
2132 }
2133
2134 static inline bool is_valid_hist_entry(struct hist_entry *he)
2135 {
2136         struct c2c_hist_entry *c2c_he;
2137         bool has_record = false;
2138
2139         c2c_he = container_of(he, struct c2c_hist_entry, he);
2140
2141         /* It's a valid entry if contains stores */
2142         if (c2c_he->stats.store)
2143                 return true;
2144
2145         switch (c2c.display) {
2146         case DISPLAY_LCL_HITM:
2147                 has_record = !!c2c_he->stats.lcl_hitm;
2148                 break;
2149         case DISPLAY_RMT_HITM:
2150                 has_record = !!c2c_he->stats.rmt_hitm;
2151                 break;
2152         case DISPLAY_TOT_HITM:
2153                 has_record = !!c2c_he->stats.tot_hitm;
2154                 break;
2155         case DISPLAY_SNP_PEER:
2156                 has_record = !!c2c_he->stats.tot_peer;
2157         default:
2158                 break;
2159         }
2160
2161         return has_record;
2162 }
2163
2164 static void set_node_width(struct c2c_hist_entry *c2c_he, int len)
2165 {
2166         struct c2c_dimension *dim;
2167
2168         dim = &c2c.hists == c2c_he->hists ?
2169               &dim_dcacheline_node : &dim_offset_node;
2170
2171         if (len > dim->width)
2172                 dim->width = len;
2173 }
2174
2175 static int set_nodestr(struct c2c_hist_entry *c2c_he)
2176 {
2177         char buf[30];
2178         int len;
2179
2180         if (c2c_he->nodestr)
2181                 return 0;
2182
2183         if (!bitmap_empty(c2c_he->nodeset, c2c.nodes_cnt)) {
2184                 len = bitmap_scnprintf(c2c_he->nodeset, c2c.nodes_cnt,
2185                                       buf, sizeof(buf));
2186         } else {
2187                 len = scnprintf(buf, sizeof(buf), "N/A");
2188         }
2189
2190         set_node_width(c2c_he, len);
2191         c2c_he->nodestr = strdup(buf);
2192         return c2c_he->nodestr ? 0 : -ENOMEM;
2193 }
2194
2195 static void calc_width(struct c2c_hist_entry *c2c_he)
2196 {
2197         struct c2c_hists *c2c_hists;
2198
2199         c2c_hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
2200         hists__calc_col_len(&c2c_hists->hists, &c2c_he->he);
2201         set_nodestr(c2c_he);
2202 }
2203
2204 static int filter_cb(struct hist_entry *he, void *arg __maybe_unused)
2205 {
2206         struct c2c_hist_entry *c2c_he;
2207
2208         c2c_he = container_of(he, struct c2c_hist_entry, he);
2209
2210         if (c2c.show_src && !he->srcline)
2211                 he->srcline = hist_entry__srcline(he);
2212
2213         calc_width(c2c_he);
2214
2215         if (!is_valid_hist_entry(he))
2216                 he->filtered = HIST_FILTER__C2C;
2217
2218         return 0;
2219 }
2220
2221 static int resort_cl_cb(struct hist_entry *he, void *arg __maybe_unused)
2222 {
2223         struct c2c_hist_entry *c2c_he;
2224         struct c2c_hists *c2c_hists;
2225         bool display = he__display(he, &c2c.shared_clines_stats);
2226
2227         c2c_he = container_of(he, struct c2c_hist_entry, he);
2228         c2c_hists = c2c_he->hists;
2229
2230         if (display && c2c_hists) {
2231                 static unsigned int idx;
2232
2233                 c2c_he->cacheline_idx = idx++;
2234                 calc_width(c2c_he);
2235
2236                 c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);
2237
2238                 hists__collapse_resort(&c2c_hists->hists, NULL);
2239                 hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
2240         }
2241
2242         return 0;
2243 }
2244
2245 static struct c2c_header header_node_0 = HEADER_LOW("Node");
2246 static struct c2c_header header_node_1_hitms_stores =
2247                 HEADER_LOW("Node{cpus %hitms %stores}");
2248 static struct c2c_header header_node_1_peers_stores =
2249                 HEADER_LOW("Node{cpus %peers %stores}");
2250 static struct c2c_header header_node_2 = HEADER_LOW("Node{cpu list}");
2251
2252 static void setup_nodes_header(void)
2253 {
2254         switch (c2c.node_info) {
2255         case 0:
2256                 dim_node.header = header_node_0;
2257                 break;
2258         case 1:
2259                 if (c2c.display == DISPLAY_SNP_PEER)
2260                         dim_node.header = header_node_1_peers_stores;
2261                 else
2262                         dim_node.header = header_node_1_hitms_stores;
2263                 break;
2264         case 2:
2265                 dim_node.header = header_node_2;
2266                 break;
2267         default:
2268                 break;
2269         }
2270
2271         return;
2272 }
2273
2274 static int setup_nodes(struct perf_session *session)
2275 {
2276         struct numa_node *n;
2277         unsigned long **nodes;
2278         int node, idx;
2279         struct perf_cpu cpu;
2280         int *cpu2node;
2281
2282         if (c2c.node_info > 2)
2283                 c2c.node_info = 2;
2284
2285         c2c.nodes_cnt = session->header.env.nr_numa_nodes;
2286         c2c.cpus_cnt  = session->header.env.nr_cpus_avail;
2287
2288         n = session->header.env.numa_nodes;
2289         if (!n)
2290                 return -EINVAL;
2291
2292         nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt);
2293         if (!nodes)
2294                 return -ENOMEM;
2295
2296         c2c.nodes = nodes;
2297
2298         cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt);
2299         if (!cpu2node)
2300                 return -ENOMEM;
2301
2302         for (idx = 0; idx < c2c.cpus_cnt; idx++)
2303                 cpu2node[idx] = -1;
2304
2305         c2c.cpu2node = cpu2node;
2306
2307         for (node = 0; node < c2c.nodes_cnt; node++) {
2308                 struct perf_cpu_map *map = n[node].map;
2309                 unsigned long *set;
2310
2311                 set = bitmap_zalloc(c2c.cpus_cnt);
2312                 if (!set)
2313                         return -ENOMEM;
2314
2315                 nodes[node] = set;
2316
2317                 /* empty node, skip */
2318                 if (perf_cpu_map__empty(map))
2319                         continue;
2320
2321                 perf_cpu_map__for_each_cpu(cpu, idx, map) {
2322                         __set_bit(cpu.cpu, set);
2323
2324                         if (WARN_ONCE(cpu2node[cpu.cpu] != -1, "node/cpu topology bug"))
2325                                 return -EINVAL;
2326
2327                         cpu2node[cpu.cpu] = node;
2328                 }
2329         }
2330
2331         setup_nodes_header();
2332         return 0;
2333 }
2334
2335 #define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)
2336 #define HAS_PEER(__h) ((__h)->stats.lcl_peer || (__h)->stats.rmt_peer)
2337
2338 static int resort_shared_cl_cb(struct hist_entry *he, void *arg __maybe_unused)
2339 {
2340         struct c2c_hist_entry *c2c_he;
2341         c2c_he = container_of(he, struct c2c_hist_entry, he);
2342
2343         if (HAS_HITMS(c2c_he) || HAS_PEER(c2c_he)) {
2344                 c2c.shared_clines++;
2345                 c2c_add_stats(&c2c.shared_clines_stats, &c2c_he->stats);
2346         }
2347
2348         return 0;
2349 }
2350
2351 static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
2352 {
2353         struct rb_node *next = rb_first_cached(&hists->entries);
2354         int ret = 0;
2355
2356         while (next) {
2357                 struct hist_entry *he;
2358
2359                 he = rb_entry(next, struct hist_entry, rb_node);
2360                 ret = cb(he, NULL);
2361                 if (ret)
2362                         break;
2363                 next = rb_next(&he->rb_node);
2364         }
2365
2366         return ret;
2367 }
2368
2369 static void print_c2c__display_stats(FILE *out)
2370 {
2371         int llc_misses;
2372         struct c2c_stats *stats = &c2c.hists.stats;
2373
2374         llc_misses = get_load_llc_misses(stats);
2375
2376         fprintf(out, "=================================================\n");
2377         fprintf(out, "            Trace Event Information              \n");
2378         fprintf(out, "=================================================\n");
2379         fprintf(out, "  Total records                     : %10d\n", stats->nr_entries);
2380         fprintf(out, "  Locked Load/Store Operations      : %10d\n", stats->locks);
2381         fprintf(out, "  Load Operations                   : %10d\n", stats->load);
2382         fprintf(out, "  Loads - uncacheable               : %10d\n", stats->ld_uncache);
2383         fprintf(out, "  Loads - IO                        : %10d\n", stats->ld_io);
2384         fprintf(out, "  Loads - Miss                      : %10d\n", stats->ld_miss);
2385         fprintf(out, "  Loads - no mapping                : %10d\n", stats->ld_noadrs);
2386         fprintf(out, "  Load Fill Buffer Hit              : %10d\n", stats->ld_fbhit);
2387         fprintf(out, "  Load L1D hit                      : %10d\n", stats->ld_l1hit);
2388         fprintf(out, "  Load L2D hit                      : %10d\n", stats->ld_l2hit);
2389         fprintf(out, "  Load LLC hit                      : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2390         fprintf(out, "  Load Local HITM                   : %10d\n", stats->lcl_hitm);
2391         fprintf(out, "  Load Remote HITM                  : %10d\n", stats->rmt_hitm);
2392         fprintf(out, "  Load Remote HIT                   : %10d\n", stats->rmt_hit);
2393         fprintf(out, "  Load Local DRAM                   : %10d\n", stats->lcl_dram);
2394         fprintf(out, "  Load Remote DRAM                  : %10d\n", stats->rmt_dram);
2395         fprintf(out, "  Load MESI State Exclusive         : %10d\n", stats->ld_excl);
2396         fprintf(out, "  Load MESI State Shared            : %10d\n", stats->ld_shared);
2397         fprintf(out, "  Load LLC Misses                   : %10d\n", llc_misses);
2398         fprintf(out, "  Load access blocked by data       : %10d\n", stats->blk_data);
2399         fprintf(out, "  Load access blocked by address    : %10d\n", stats->blk_addr);
2400         fprintf(out, "  Load HIT Local Peer               : %10d\n", stats->lcl_peer);
2401         fprintf(out, "  Load HIT Remote Peer              : %10d\n", stats->rmt_peer);
2402         fprintf(out, "  LLC Misses to Local DRAM          : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
2403         fprintf(out, "  LLC Misses to Remote DRAM         : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
2404         fprintf(out, "  LLC Misses to Remote cache (HIT)  : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
2405         fprintf(out, "  LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.);
2406         fprintf(out, "  Store Operations                  : %10d\n", stats->store);
2407         fprintf(out, "  Store - uncacheable               : %10d\n", stats->st_uncache);
2408         fprintf(out, "  Store - no mapping                : %10d\n", stats->st_noadrs);
2409         fprintf(out, "  Store L1D Hit                     : %10d\n", stats->st_l1hit);
2410         fprintf(out, "  Store L1D Miss                    : %10d\n", stats->st_l1miss);
2411         fprintf(out, "  Store No available memory level   : %10d\n", stats->st_na);
2412         fprintf(out, "  No Page Map Rejects               : %10d\n", stats->nomap);
2413         fprintf(out, "  Unable to parse data source       : %10d\n", stats->noparse);
2414 }
2415
2416 static void print_shared_cacheline_info(FILE *out)
2417 {
2418         struct c2c_stats *stats = &c2c.shared_clines_stats;
2419         int hitm_cnt = stats->lcl_hitm + stats->rmt_hitm;
2420
2421         fprintf(out, "=================================================\n");
2422         fprintf(out, "    Global Shared Cache Line Event Information   \n");
2423         fprintf(out, "=================================================\n");
2424         fprintf(out, "  Total Shared Cache Lines          : %10d\n", c2c.shared_clines);
2425         fprintf(out, "  Load HITs on shared lines         : %10d\n", stats->load);
2426         fprintf(out, "  Fill Buffer Hits on shared lines  : %10d\n", stats->ld_fbhit);
2427         fprintf(out, "  L1D hits on shared lines          : %10d\n", stats->ld_l1hit);
2428         fprintf(out, "  L2D hits on shared lines          : %10d\n", stats->ld_l2hit);
2429         fprintf(out, "  LLC hits on shared lines          : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2430         fprintf(out, "  Load hits on peer cache or nodes  : %10d\n", stats->lcl_peer + stats->rmt_peer);
2431         fprintf(out, "  Locked Access on shared lines     : %10d\n", stats->locks);
2432         fprintf(out, "  Blocked Access on shared lines    : %10d\n", stats->blk_data + stats->blk_addr);
2433         fprintf(out, "  Store HITs on shared lines        : %10d\n", stats->store);
2434         fprintf(out, "  Store L1D hits on shared lines    : %10d\n", stats->st_l1hit);
2435         fprintf(out, "  Store No available memory level   : %10d\n", stats->st_na);
2436         fprintf(out, "  Total Merged records              : %10d\n", hitm_cnt + stats->store);
2437 }
2438
2439 static void print_cacheline(struct c2c_hists *c2c_hists,
2440                             struct hist_entry *he_cl,
2441                             struct perf_hpp_list *hpp_list,
2442                             FILE *out)
2443 {
2444         char bf[1000];
2445         struct perf_hpp hpp = {
2446                 .buf            = bf,
2447                 .size           = 1000,
2448         };
2449         static bool once;
2450
2451         if (!once) {
2452                 hists__fprintf_headers(&c2c_hists->hists, out);
2453                 once = true;
2454         } else {
2455                 fprintf(out, "\n");
2456         }
2457
2458         fprintf(out, "  ----------------------------------------------------------------------\n");
2459         __hist_entry__snprintf(he_cl, &hpp, hpp_list);
2460         fprintf(out, "%s\n", bf);
2461         fprintf(out, "  ----------------------------------------------------------------------\n");
2462
2463         hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, false);
2464 }
2465
2466 static void print_pareto(FILE *out)
2467 {
2468         struct perf_hpp_list hpp_list;
2469         struct rb_node *nd;
2470         int ret;
2471         const char *cl_output;
2472
2473         if (c2c.display != DISPLAY_SNP_PEER)
2474                 cl_output = "cl_num,"
2475                             "cl_rmt_hitm,"
2476                             "cl_lcl_hitm,"
2477                             "cl_stores_l1hit,"
2478                             "cl_stores_l1miss,"
2479                             "cl_stores_na,"
2480                             "dcacheline";
2481         else
2482                 cl_output = "cl_num,"
2483                             "cl_rmt_peer,"
2484                             "cl_lcl_peer,"
2485                             "cl_stores_l1hit,"
2486                             "cl_stores_l1miss,"
2487                             "cl_stores_na,"
2488                             "dcacheline";
2489
2490         perf_hpp_list__init(&hpp_list);
2491         ret = hpp_list__parse(&hpp_list, cl_output, NULL);
2492
2493         if (WARN_ONCE(ret, "failed to setup sort entries\n"))
2494                 return;
2495
2496         nd = rb_first_cached(&c2c.hists.hists.entries);
2497
2498         for (; nd; nd = rb_next(nd)) {
2499                 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2500                 struct c2c_hist_entry *c2c_he;
2501
2502                 if (he->filtered)
2503                         continue;
2504
2505                 c2c_he = container_of(he, struct c2c_hist_entry, he);
2506                 print_cacheline(c2c_he->hists, he, &hpp_list, out);
2507         }
2508 }
2509
2510 static void print_c2c_info(FILE *out, struct perf_session *session)
2511 {
2512         struct evlist *evlist = session->evlist;
2513         struct evsel *evsel;
2514         bool first = true;
2515
2516         fprintf(out, "=================================================\n");
2517         fprintf(out, "                 c2c details                     \n");
2518         fprintf(out, "=================================================\n");
2519
2520         evlist__for_each_entry(evlist, evsel) {
2521                 fprintf(out, "%-36s: %s\n", first ? "  Events" : "", evsel__name(evsel));
2522                 first = false;
2523         }
2524         fprintf(out, "  Cachelines sort on                : %s\n",
2525                 display_str[c2c.display]);
2526         fprintf(out, "  Cacheline data grouping           : %s\n", c2c.cl_sort);
2527 }
2528
2529 static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
2530 {
2531         setup_pager();
2532
2533         print_c2c__display_stats(out);
2534         fprintf(out, "\n");
2535         print_shared_cacheline_info(out);
2536         fprintf(out, "\n");
2537         print_c2c_info(out, session);
2538
2539         if (c2c.stats_only)
2540                 return;
2541
2542         fprintf(out, "\n");
2543         fprintf(out, "=================================================\n");
2544         fprintf(out, "           Shared Data Cache Line Table          \n");
2545         fprintf(out, "=================================================\n");
2546         fprintf(out, "#\n");
2547
2548         hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, true);
2549
2550         fprintf(out, "\n");
2551         fprintf(out, "=================================================\n");
2552         fprintf(out, "      Shared Cache Line Distribution Pareto      \n");
2553         fprintf(out, "=================================================\n");
2554         fprintf(out, "#\n");
2555
2556         print_pareto(out);
2557 }
2558
2559 #ifdef HAVE_SLANG_SUPPORT
2560 static void c2c_browser__update_nr_entries(struct hist_browser *hb)
2561 {
2562         u64 nr_entries = 0;
2563         struct rb_node *nd = rb_first_cached(&hb->hists->entries);
2564
2565         while (nd) {
2566                 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2567
2568                 if (!he->filtered)
2569                         nr_entries++;
2570
2571                 nd = rb_next(nd);
2572         }
2573
2574         hb->nr_non_filtered_entries = nr_entries;
2575 }
2576
2577 struct c2c_cacheline_browser {
2578         struct hist_browser      hb;
2579         struct hist_entry       *he;
2580 };
2581
2582 static int
2583 perf_c2c_cacheline_browser__title(struct hist_browser *browser,
2584                                   char *bf, size_t size)
2585 {
2586         struct c2c_cacheline_browser *cl_browser;
2587         struct hist_entry *he;
2588         uint64_t addr = 0;
2589
2590         cl_browser = container_of(browser, struct c2c_cacheline_browser, hb);
2591         he = cl_browser->he;
2592
2593         if (he->mem_info)
2594                 addr = cl_address(he->mem_info->daddr.addr, chk_double_cl);
2595
2596         scnprintf(bf, size, "Cacheline 0x%lx", addr);
2597         return 0;
2598 }
2599
2600 static struct c2c_cacheline_browser*
2601 c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he)
2602 {
2603         struct c2c_cacheline_browser *browser;
2604
2605         browser = zalloc(sizeof(*browser));
2606         if (browser) {
2607                 hist_browser__init(&browser->hb, hists);
2608                 browser->hb.c2c_filter  = true;
2609                 browser->hb.title       = perf_c2c_cacheline_browser__title;
2610                 browser->he             = he;
2611         }
2612
2613         return browser;
2614 }
2615
2616 static int perf_c2c__browse_cacheline(struct hist_entry *he)
2617 {
2618         struct c2c_hist_entry *c2c_he;
2619         struct c2c_hists *c2c_hists;
2620         struct c2c_cacheline_browser *cl_browser;
2621         struct hist_browser *browser;
2622         int key = -1;
2623         static const char help[] =
2624         " ENTER         Toggle callchains (if present) \n"
2625         " n             Toggle Node details info \n"
2626         " s             Toggle full length of symbol and source line columns \n"
2627         " q             Return back to cacheline list \n";
2628
2629         if (!he)
2630                 return 0;
2631
2632         /* Display compact version first. */
2633         c2c.symbol_full = false;
2634
2635         c2c_he = container_of(he, struct c2c_hist_entry, he);
2636         c2c_hists = c2c_he->hists;
2637
2638         cl_browser = c2c_cacheline_browser__new(&c2c_hists->hists, he);
2639         if (cl_browser == NULL)
2640                 return -1;
2641
2642         browser = &cl_browser->hb;
2643
2644         /* reset abort key so that it can get Ctrl-C as a key */
2645         SLang_reset_tty();
2646         SLang_init_tty(0, 0, 0);
2647
2648         c2c_browser__update_nr_entries(browser);
2649
2650         while (1) {
2651                 key = hist_browser__run(browser, "? - help", true, 0);
2652
2653                 switch (key) {
2654                 case 's':
2655                         c2c.symbol_full = !c2c.symbol_full;
2656                         break;
2657                 case 'n':
2658                         c2c.node_info = (c2c.node_info + 1) % 3;
2659                         setup_nodes_header();
2660                         break;
2661                 case 'q':
2662                         goto out;
2663                 case '?':
2664                         ui_browser__help_window(&browser->b, help);
2665                         break;
2666                 default:
2667                         break;
2668                 }
2669         }
2670
2671 out:
2672         free(cl_browser);
2673         return 0;
2674 }
2675
2676 static int perf_c2c_browser__title(struct hist_browser *browser,
2677                                    char *bf, size_t size)
2678 {
2679         scnprintf(bf, size,
2680                   "Shared Data Cache Line Table     "
2681                   "(%lu entries, sorted on %s)",
2682                   browser->nr_non_filtered_entries,
2683                   display_str[c2c.display]);
2684         return 0;
2685 }
2686
2687 static struct hist_browser*
2688 perf_c2c_browser__new(struct hists *hists)
2689 {
2690         struct hist_browser *browser = hist_browser__new(hists);
2691
2692         if (browser) {
2693                 browser->title = perf_c2c_browser__title;
2694                 browser->c2c_filter = true;
2695         }
2696
2697         return browser;
2698 }
2699
2700 static int perf_c2c__hists_browse(struct hists *hists)
2701 {
2702         struct hist_browser *browser;
2703         int key = -1;
2704         static const char help[] =
2705         " d             Display cacheline details \n"
2706         " ENTER         Toggle callchains (if present) \n"
2707         " q             Quit \n";
2708
2709         browser = perf_c2c_browser__new(hists);
2710         if (browser == NULL)
2711                 return -1;
2712
2713         /* reset abort key so that it can get Ctrl-C as a key */
2714         SLang_reset_tty();
2715         SLang_init_tty(0, 0, 0);
2716
2717         c2c_browser__update_nr_entries(browser);
2718
2719         while (1) {
2720                 key = hist_browser__run(browser, "? - help", true, 0);
2721
2722                 switch (key) {
2723                 case 'q':
2724                         goto out;
2725                 case 'd':
2726                         perf_c2c__browse_cacheline(browser->he_selection);
2727                         break;
2728                 case '?':
2729                         ui_browser__help_window(&browser->b, help);
2730                         break;
2731                 default:
2732                         break;
2733                 }
2734         }
2735
2736 out:
2737         hist_browser__delete(browser);
2738         return 0;
2739 }
2740
2741 static void perf_c2c_display(struct perf_session *session)
2742 {
2743         if (use_browser == 0)
2744                 perf_c2c__hists_fprintf(stdout, session);
2745         else
2746                 perf_c2c__hists_browse(&c2c.hists.hists);
2747 }
2748 #else
2749 static void perf_c2c_display(struct perf_session *session)
2750 {
2751         use_browser = 0;
2752         perf_c2c__hists_fprintf(stdout, session);
2753 }
2754 #endif /* HAVE_SLANG_SUPPORT */
2755
2756 static char *fill_line(const char *orig, int len)
2757 {
2758         int i, j, olen = strlen(orig);
2759         char *buf;
2760
2761         buf = zalloc(len + 1);
2762         if (!buf)
2763                 return NULL;
2764
2765         j = len / 2 - olen / 2;
2766
2767         for (i = 0; i < j - 1; i++)
2768                 buf[i] = '-';
2769
2770         buf[i++] = ' ';
2771
2772         strcpy(buf + i, orig);
2773
2774         i += olen;
2775
2776         buf[i++] = ' ';
2777
2778         for (; i < len; i++)
2779                 buf[i] = '-';
2780
2781         return buf;
2782 }
2783
2784 static int ui_quirks(void)
2785 {
2786         const char *nodestr = "Data address";
2787         char *buf;
2788
2789         if (!c2c.use_stdio) {
2790                 dim_offset.width  = 5;
2791                 dim_offset.header = header_offset_tui;
2792                 nodestr = chk_double_cl ? "Double-CL" : "CL";
2793         }
2794
2795         dim_percent_costly_snoop.header = percent_costly_snoop_header[c2c.display];
2796
2797         /* Fix the zero line for dcacheline column. */
2798         buf = fill_line(chk_double_cl ? "Double-Cacheline" : "Cacheline",
2799                                 dim_dcacheline.width +
2800                                 dim_dcacheline_node.width +
2801                                 dim_dcacheline_count.width + 4);
2802         if (!buf)
2803                 return -ENOMEM;
2804
2805         dim_dcacheline.header.line[0].text = buf;
2806
2807         /* Fix the zero line for offset column. */
2808         buf = fill_line(nodestr, dim_offset.width +
2809                                  dim_offset_node.width +
2810                                  dim_dcacheline_count.width + 4);
2811         if (!buf)
2812                 return -ENOMEM;
2813
2814         dim_offset.header.line[0].text = buf;
2815
2816         return 0;
2817 }
2818
2819 #define CALLCHAIN_DEFAULT_OPT  "graph,0.5,caller,function,percent"
2820
2821 const char callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
2822                                 CALLCHAIN_REPORT_HELP
2823                                 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
2824
2825 static int
2826 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
2827 {
2828         struct callchain_param *callchain = opt->value;
2829
2830         callchain->enabled = !unset;
2831         /*
2832          * --no-call-graph
2833          */
2834         if (unset) {
2835                 symbol_conf.use_callchain = false;
2836                 callchain->mode = CHAIN_NONE;
2837                 return 0;
2838         }
2839
2840         return parse_callchain_report_opt(arg);
2841 }
2842
2843 static int setup_callchain(struct evlist *evlist)
2844 {
2845         u64 sample_type = evlist__combined_sample_type(evlist);
2846         enum perf_call_graph_mode mode = CALLCHAIN_NONE;
2847
2848         if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2849             (sample_type & PERF_SAMPLE_STACK_USER)) {
2850                 mode = CALLCHAIN_DWARF;
2851                 dwarf_callchain_users = true;
2852         } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2853                 mode = CALLCHAIN_LBR;
2854         else if (sample_type & PERF_SAMPLE_CALLCHAIN)
2855                 mode = CALLCHAIN_FP;
2856
2857         if (!callchain_param.enabled &&
2858             callchain_param.mode != CHAIN_NONE &&
2859             mode != CALLCHAIN_NONE) {
2860                 symbol_conf.use_callchain = true;
2861                 if (callchain_register_param(&callchain_param) < 0) {
2862                         ui__error("Can't register callchain params.\n");
2863                         return -EINVAL;
2864                 }
2865         }
2866
2867         if (c2c.stitch_lbr && (mode != CALLCHAIN_LBR)) {
2868                 ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
2869                             "Please apply --call-graph lbr when recording.\n");
2870                 c2c.stitch_lbr = false;
2871         }
2872
2873         callchain_param.record_mode = mode;
2874         callchain_param.min_percent = 0;
2875         return 0;
2876 }
2877
2878 static int setup_display(const char *str)
2879 {
2880         const char *display = str;
2881
2882         if (!strcmp(display, "tot"))
2883                 c2c.display = DISPLAY_TOT_HITM;
2884         else if (!strcmp(display, "rmt"))
2885                 c2c.display = DISPLAY_RMT_HITM;
2886         else if (!strcmp(display, "lcl"))
2887                 c2c.display = DISPLAY_LCL_HITM;
2888         else if (!strcmp(display, "peer"))
2889                 c2c.display = DISPLAY_SNP_PEER;
2890         else {
2891                 pr_err("failed: unknown display type: %s\n", str);
2892                 return -1;
2893         }
2894
2895         return 0;
2896 }
2897
2898 #define for_each_token(__tok, __buf, __sep, __tmp)              \
2899         for (__tok = strtok_r(__buf, __sep, &__tmp); __tok;     \
2900              __tok = strtok_r(NULL,  __sep, &__tmp))
2901
2902 static int build_cl_output(char *cl_sort, bool no_source)
2903 {
2904         char *tok, *tmp, *buf = strdup(cl_sort);
2905         bool add_pid   = false;
2906         bool add_tid   = false;
2907         bool add_iaddr = false;
2908         bool add_sym   = false;
2909         bool add_dso   = false;
2910         bool add_src   = false;
2911         int ret = 0;
2912
2913         if (!buf)
2914                 return -ENOMEM;
2915
2916         for_each_token(tok, buf, ",", tmp) {
2917                 if (!strcmp(tok, "tid")) {
2918                         add_tid = true;
2919                 } else if (!strcmp(tok, "pid")) {
2920                         add_pid = true;
2921                 } else if (!strcmp(tok, "iaddr")) {
2922                         add_iaddr = true;
2923                         add_sym   = true;
2924                         add_dso   = true;
2925                         add_src   = no_source ? false : true;
2926                 } else if (!strcmp(tok, "dso")) {
2927                         add_dso = true;
2928                 } else if (strcmp(tok, "offset")) {
2929                         pr_err("unrecognized sort token: %s\n", tok);
2930                         ret = -EINVAL;
2931                         goto err;
2932                 }
2933         }
2934
2935         if (asprintf(&c2c.cl_output,
2936                 "%s%s%s%s%s%s%s%s%s%s%s%s",
2937                 c2c.use_stdio ? "cl_num_empty," : "",
2938                 c2c.display == DISPLAY_SNP_PEER ? "percent_rmt_peer,"
2939                                                   "percent_lcl_peer," :
2940                                                   "percent_rmt_hitm,"
2941                                                   "percent_lcl_hitm,",
2942                 "percent_stores_l1hit,"
2943                 "percent_stores_l1miss,"
2944                 "percent_stores_na,"
2945                 "offset,offset_node,dcacheline_count,",
2946                 add_pid   ? "pid," : "",
2947                 add_tid   ? "tid," : "",
2948                 add_iaddr ? "iaddr," : "",
2949                 c2c.display == DISPLAY_SNP_PEER ? "mean_rmt_peer,"
2950                                                   "mean_lcl_peer," :
2951                                                   "mean_rmt,"
2952                                                   "mean_lcl,",
2953                 "mean_load,"
2954                 "tot_recs,"
2955                 "cpucnt,",
2956                 add_sym ? "symbol," : "",
2957                 add_dso ? "dso," : "",
2958                 add_src ? "cl_srcline," : "",
2959                 "node") < 0) {
2960                 ret = -ENOMEM;
2961                 goto err;
2962         }
2963
2964         c2c.show_src = add_src;
2965 err:
2966         free(buf);
2967         return ret;
2968 }
2969
2970 static int setup_coalesce(const char *coalesce, bool no_source)
2971 {
2972         const char *c = coalesce ?: coalesce_default;
2973         const char *sort_str = NULL;
2974
2975         if (asprintf(&c2c.cl_sort, "offset,%s", c) < 0)
2976                 return -ENOMEM;
2977
2978         if (build_cl_output(c2c.cl_sort, no_source))
2979                 return -1;
2980
2981         if (c2c.display == DISPLAY_TOT_HITM)
2982                 sort_str = "tot_hitm";
2983         else if (c2c.display == DISPLAY_RMT_HITM)
2984                 sort_str = "rmt_hitm,lcl_hitm";
2985         else if (c2c.display == DISPLAY_LCL_HITM)
2986                 sort_str = "lcl_hitm,rmt_hitm";
2987         else if (c2c.display == DISPLAY_SNP_PEER)
2988                 sort_str = "tot_peer";
2989
2990         if (asprintf(&c2c.cl_resort, "offset,%s", sort_str) < 0)
2991                 return -ENOMEM;
2992
2993         pr_debug("coalesce sort   fields: %s\n", c2c.cl_sort);
2994         pr_debug("coalesce resort fields: %s\n", c2c.cl_resort);
2995         pr_debug("coalesce output fields: %s\n", c2c.cl_output);
2996         return 0;
2997 }
2998
2999 static int perf_c2c__report(int argc, const char **argv)
3000 {
3001         struct itrace_synth_opts itrace_synth_opts = {
3002                 .set = true,
3003                 .mem = true,    /* Only enable memory event */
3004                 .default_no_sample = true,
3005         };
3006
3007         struct perf_session *session;
3008         struct ui_progress prog;
3009         struct perf_data data = {
3010                 .mode = PERF_DATA_MODE_READ,
3011         };
3012         char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
3013         const char *display = NULL;
3014         const char *coalesce = NULL;
3015         bool no_source = false;
3016         const struct option options[] = {
3017         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3018                    "file", "vmlinux pathname"),
3019         OPT_STRING('i', "input", &input_name, "file",
3020                    "the input file to process"),
3021         OPT_INCR('N', "node-info", &c2c.node_info,
3022                  "show extra node info in report (repeat for more info)"),
3023         OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
3024         OPT_BOOLEAN(0, "stats", &c2c.stats_only,
3025                     "Display only statistic tables (implies --stdio)"),
3026         OPT_BOOLEAN(0, "full-symbols", &c2c.symbol_full,
3027                     "Display full length of symbols"),
3028         OPT_BOOLEAN(0, "no-source", &no_source,
3029                     "Do not display Source Line column"),
3030         OPT_BOOLEAN(0, "show-all", &c2c.show_all,
3031                     "Show all captured HITM lines."),
3032         OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
3033                              "print_type,threshold[,print_limit],order,sort_key[,branch],value",
3034                              callchain_help, &parse_callchain_opt,
3035                              callchain_default_opt),
3036         OPT_STRING('d', "display", &display, "Switch HITM output type", "tot,lcl,rmt,peer"),
3037         OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
3038                    "coalesce fields: pid,tid,iaddr,dso"),
3039         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3040         OPT_BOOLEAN(0, "stitch-lbr", &c2c.stitch_lbr,
3041                     "Enable LBR callgraph stitching approach"),
3042         OPT_BOOLEAN(0, "double-cl", &chk_double_cl, "Detect adjacent cacheline false sharing"),
3043         OPT_PARENT(c2c_options),
3044         OPT_END()
3045         };
3046         int err = 0;
3047         const char *output_str, *sort_str = NULL;
3048
3049         argc = parse_options(argc, argv, options, report_c2c_usage,
3050                              PARSE_OPT_STOP_AT_NON_OPTION);
3051         if (argc)
3052                 usage_with_options(report_c2c_usage, options);
3053
3054 #ifndef HAVE_SLANG_SUPPORT
3055         c2c.use_stdio = true;
3056 #endif
3057
3058         if (c2c.stats_only)
3059                 c2c.use_stdio = true;
3060
3061         err = symbol__validate_sym_arguments();
3062         if (err)
3063                 goto out;
3064
3065         if (!input_name || !strlen(input_name))
3066                 input_name = "perf.data";
3067
3068         data.path  = input_name;
3069         data.force = symbol_conf.force;
3070
3071         session = perf_session__new(&data, &c2c.tool);
3072         if (IS_ERR(session)) {
3073                 err = PTR_ERR(session);
3074                 pr_debug("Error creating perf session\n");
3075                 goto out;
3076         }
3077
3078         /*
3079          * Use the 'tot' as default display type if user doesn't specify it;
3080          * since Arm64 platform doesn't support HITMs flag, use 'peer' as the
3081          * default display type.
3082          */
3083         if (!display) {
3084                 if (!strcmp(perf_env__arch(&session->header.env), "arm64"))
3085                         display = "peer";
3086                 else
3087                         display = "tot";
3088         }
3089
3090         err = setup_display(display);
3091         if (err)
3092                 goto out_session;
3093
3094         err = setup_coalesce(coalesce, no_source);
3095         if (err) {
3096                 pr_debug("Failed to initialize hists\n");
3097                 goto out_session;
3098         }
3099
3100         err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
3101         if (err) {
3102                 pr_debug("Failed to initialize hists\n");
3103                 goto out_session;
3104         }
3105
3106         session->itrace_synth_opts = &itrace_synth_opts;
3107
3108         err = setup_nodes(session);
3109         if (err) {
3110                 pr_err("Failed setup nodes\n");
3111                 goto out_session;
3112         }
3113
3114         err = mem2node__init(&c2c.mem2node, &session->header.env);
3115         if (err)
3116                 goto out_session;
3117
3118         err = setup_callchain(session->evlist);
3119         if (err)
3120                 goto out_mem2node;
3121
3122         if (symbol__init(&session->header.env) < 0)
3123                 goto out_mem2node;
3124
3125         /* No pipe support at the moment. */
3126         if (perf_data__is_pipe(session->data)) {
3127                 pr_debug("No pipe support at the moment.\n");
3128                 goto out_mem2node;
3129         }
3130
3131         if (c2c.use_stdio)
3132                 use_browser = 0;
3133         else
3134                 use_browser = 1;
3135
3136         setup_browser(false);
3137
3138         err = perf_session__process_events(session);
3139         if (err) {
3140                 pr_err("failed to process sample\n");
3141                 goto out_mem2node;
3142         }
3143
3144         if (c2c.display != DISPLAY_SNP_PEER)
3145                 output_str = "cl_idx,"
3146                              "dcacheline,"
3147                              "dcacheline_node,"
3148                              "dcacheline_count,"
3149                              "percent_costly_snoop,"
3150                              "tot_hitm,lcl_hitm,rmt_hitm,"
3151                              "tot_recs,"
3152                              "tot_loads,"
3153                              "tot_stores,"
3154                              "stores_l1hit,stores_l1miss,stores_na,"
3155                              "ld_fbhit,ld_l1hit,ld_l2hit,"
3156                              "ld_lclhit,lcl_hitm,"
3157                              "ld_rmthit,rmt_hitm,"
3158                              "dram_lcl,dram_rmt";
3159         else
3160                 output_str = "cl_idx,"
3161                              "dcacheline,"
3162                              "dcacheline_node,"
3163                              "dcacheline_count,"
3164                              "percent_costly_snoop,"
3165                              "tot_peer,lcl_peer,rmt_peer,"
3166                              "tot_recs,"
3167                              "tot_loads,"
3168                              "tot_stores,"
3169                              "stores_l1hit,stores_l1miss,stores_na,"
3170                              "ld_fbhit,ld_l1hit,ld_l2hit,"
3171                              "ld_lclhit,lcl_hitm,"
3172                              "ld_rmthit,rmt_hitm,"
3173                              "dram_lcl,dram_rmt";
3174
3175         if (c2c.display == DISPLAY_TOT_HITM)
3176                 sort_str = "tot_hitm";
3177         else if (c2c.display == DISPLAY_RMT_HITM)
3178                 sort_str = "rmt_hitm";
3179         else if (c2c.display == DISPLAY_LCL_HITM)
3180                 sort_str = "lcl_hitm";
3181         else if (c2c.display == DISPLAY_SNP_PEER)
3182                 sort_str = "tot_peer";
3183
3184         c2c_hists__reinit(&c2c.hists, output_str, sort_str);
3185
3186         ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
3187
3188         hists__collapse_resort(&c2c.hists.hists, NULL);
3189         hists__output_resort_cb(&c2c.hists.hists, &prog, resort_shared_cl_cb);
3190         hists__iterate_cb(&c2c.hists.hists, resort_cl_cb);
3191
3192         ui_progress__finish();
3193
3194         if (ui_quirks()) {
3195                 pr_err("failed to setup UI\n");
3196                 goto out_mem2node;
3197         }
3198
3199         perf_c2c_display(session);
3200
3201 out_mem2node:
3202         mem2node__exit(&c2c.mem2node);
3203 out_session:
3204         perf_session__delete(session);
3205 out:
3206         return err;
3207 }
3208
3209 static int parse_record_events(const struct option *opt,
3210                                const char *str, int unset __maybe_unused)
3211 {
3212         bool *event_set = (bool *) opt->value;
3213
3214         if (!strcmp(str, "list")) {
3215                 perf_mem_events__list();
3216                 exit(0);
3217         }
3218         if (perf_mem_events__parse(str))
3219                 exit(-1);
3220
3221         *event_set = true;
3222         return 0;
3223 }
3224
3225
3226 static const char * const __usage_record[] = {
3227         "perf c2c record [<options>] [<command>]",
3228         "perf c2c record [<options>] -- <command> [<options>]",
3229         NULL
3230 };
3231
3232 static const char * const *record_mem_usage = __usage_record;
3233
3234 static int perf_c2c__record(int argc, const char **argv)
3235 {
3236         int rec_argc, i = 0, j, rec_tmp_nr = 0;
3237         const char **rec_argv;
3238         char **rec_tmp;
3239         int ret;
3240         bool all_user = false, all_kernel = false;
3241         bool event_set = false;
3242         struct perf_mem_event *e;
3243         struct option options[] = {
3244         OPT_CALLBACK('e', "event", &event_set, "event",
3245                      "event selector. Use 'perf c2c record -e list' to list available events",
3246                      parse_record_events),
3247         OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
3248         OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
3249         OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"),
3250         OPT_PARENT(c2c_options),
3251         OPT_END()
3252         };
3253
3254         if (perf_mem_events__init()) {
3255                 pr_err("failed: memory events not supported\n");
3256                 return -1;
3257         }
3258
3259         argc = parse_options(argc, argv, options, record_mem_usage,
3260                              PARSE_OPT_KEEP_UNKNOWN);
3261
3262         if (!perf_pmu__has_hybrid())
3263                 rec_argc = argc + 11; /* max number of arguments */
3264         else
3265                 rec_argc = argc + 11 * perf_pmu__hybrid_pmu_num();
3266
3267         rec_argv = calloc(rec_argc + 1, sizeof(char *));
3268         if (!rec_argv)
3269                 return -1;
3270
3271         rec_tmp = calloc(rec_argc + 1, sizeof(char *));
3272         if (!rec_tmp) {
3273                 free(rec_argv);
3274                 return -1;
3275         }
3276
3277         rec_argv[i++] = "record";
3278
3279         if (!event_set) {
3280                 e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD_STORE);
3281                 /*
3282                  * The load and store operations are required, use the event
3283                  * PERF_MEM_EVENTS__LOAD_STORE if it is supported.
3284                  */
3285                 if (e->tag) {
3286                         e->record = true;
3287                         rec_argv[i++] = "-W";
3288                 } else {
3289                         e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD);
3290                         e->record = true;
3291
3292                         e = perf_mem_events__ptr(PERF_MEM_EVENTS__STORE);
3293                         e->record = true;
3294                 }
3295         }
3296
3297         e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD);
3298         if (e->record)
3299                 rec_argv[i++] = "-W";
3300
3301         rec_argv[i++] = "-d";
3302         rec_argv[i++] = "--phys-data";
3303         rec_argv[i++] = "--sample-cpu";
3304
3305         ret = perf_mem_events__record_args(rec_argv, &i, rec_tmp, &rec_tmp_nr);
3306         if (ret)
3307                 goto out;
3308
3309         if (all_user)
3310                 rec_argv[i++] = "--all-user";
3311
3312         if (all_kernel)
3313                 rec_argv[i++] = "--all-kernel";
3314
3315         for (j = 0; j < argc; j++, i++)
3316                 rec_argv[i] = argv[j];
3317
3318         if (verbose > 0) {
3319                 pr_debug("calling: ");
3320
3321                 j = 0;
3322
3323                 while (rec_argv[j]) {
3324                         pr_debug("%s ", rec_argv[j]);
3325                         j++;
3326                 }
3327                 pr_debug("\n");
3328         }
3329
3330         ret = cmd_record(i, rec_argv);
3331 out:
3332         for (i = 0; i < rec_tmp_nr; i++)
3333                 free(rec_tmp[i]);
3334
3335         free(rec_tmp);
3336         free(rec_argv);
3337         return ret;
3338 }
3339
3340 int cmd_c2c(int argc, const char **argv)
3341 {
3342         argc = parse_options(argc, argv, c2c_options, c2c_usage,
3343                              PARSE_OPT_STOP_AT_NON_OPTION);
3344
3345         if (!argc)
3346                 usage_with_options(c2c_usage, c2c_options);
3347
3348         if (strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
3349                 return perf_c2c__record(argc, argv);
3350         } else if (strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
3351                 return perf_c2c__report(argc, argv);
3352         } else {
3353                 usage_with_options(c2c_usage, c2c_options);
3354         }
3355
3356         return 0;
3357 }