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/kernel.h>
  17 #include <linux/stringify.h>
  18 #include <asm/bug.h>
  19 #include <sys/param.h>
  20 #include "util.h"
  21 #include "debug.h"
  22 #include "builtin.h"
  23 #include <subcmd/parse-options.h>
  24 #include "mem-events.h"
  25 #include "session.h"
  26 #include "hist.h"
  27 #include "sort.h"
  28 #include "tool.h"
  29 #include "data.h"
  30 #include "event.h"
  31 #include "evlist.h"
  32 #include "evsel.h"
  33 #include "ui/browsers/hists.h"
  34 #include "thread.h"
  35
  36 struct c2c_hists {
  37         struct hists            hists;
  38         struct perf_hpp_list    list;
  39         struct c2c_stats        stats;
  40 };
  41
  42 struct compute_stats {
  43         struct stats             lcl_hitm;
  44         struct stats             rmt_hitm;
  45         struct stats             load;
  46 };
  47
  48 struct c2c_hist_entry {
  49         struct c2c_hists        *hists;
  50         struct c2c_stats         stats;
  51         unsigned long           *cpuset;
  52         struct c2c_stats        *node_stats;
  53         unsigned int             cacheline_idx;
  54
  55         struct compute_stats     cstats;
  56
  57         /*
  58          * must be at the end,
  59          * because of its callchain dynamic entry
  60          */
  61         struct hist_entry       he;
  62 };
  63
  64 static char const *coalesce_default = "pid,iaddr";
  65
  66 struct perf_c2c {
  67         struct perf_tool        tool;
  68         struct c2c_hists        hists;
  69
  70         unsigned long           **nodes;
  71         int                      nodes_cnt;
  72         int                      cpus_cnt;
  73         int                     *cpu2node;
  74         int                      node_info;
  75
  76         bool                     show_src;
  77         bool                     show_all;
  78         bool                     use_stdio;
  79         bool                     stats_only;
  80         bool                     symbol_full;
  81
  82         /* HITM shared clines stats */
  83         struct c2c_stats        hitm_stats;
  84         int                     shared_clines;
  85
  86         int                      display;
  87
  88         const char              *coalesce;
  89         char                    *cl_sort;
  90         char                    *cl_resort;
  91         char                    *cl_output;
  92 };
  93
  94 enum {
  95         DISPLAY_LCL,
  96         DISPLAY_RMT,
  97         DISPLAY_TOT,
  98         DISPLAY_MAX,
  99 };
 100
 101 static const char *display_str[DISPLAY_MAX] = {
 102         [DISPLAY_LCL] = "Local",
 103         [DISPLAY_RMT] = "Remote",
 104         [DISPLAY_TOT] = "Total",
 105 };
 106
 107 static const struct option c2c_options[] = {
 108         OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
 109         OPT_END()
 110 };
 111
 112 static struct perf_c2c c2c;
 113
 114 static void *c2c_he_zalloc(size_t size)
 115 {
 116         struct c2c_hist_entry *c2c_he;
 117
 118         c2c_he = zalloc(size + sizeof(*c2c_he));
 119         if (!c2c_he)
 120                 return NULL;
 121
 122         c2c_he->cpuset = bitmap_alloc(c2c.cpus_cnt);
 123         if (!c2c_he->cpuset)
 124                 return NULL;
 125
 126         c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
 127         if (!c2c_he->node_stats)
 128                 return NULL;
 129
 130         init_stats(&c2c_he->cstats.lcl_hitm);
 131         init_stats(&c2c_he->cstats.rmt_hitm);
 132         init_stats(&c2c_he->cstats.load);
 133
 134         return &c2c_he->he;
 135 }
 136
 137 static void c2c_he_free(void *he)
 138 {
 139         struct c2c_hist_entry *c2c_he;
 140
 141         c2c_he = container_of(he, struct c2c_hist_entry, he);
 142         if (c2c_he->hists) {
 143                 hists__delete_entries(&c2c_he->hists->hists);
 144                 free(c2c_he->hists);
 145         }
 146
 147         free(c2c_he->cpuset);
 148         free(c2c_he->node_stats);
 149         free(c2c_he);
 150 }
 151
 152 static struct hist_entry_ops c2c_entry_ops = {
 153         .new    = c2c_he_zalloc,
 154         .free   = c2c_he_free,
 155 };
 156
 157 static int c2c_hists__init(struct c2c_hists *hists,
 158                            const char *sort,
 159                            int nr_header_lines);
 160
 161 static struct c2c_hists*
 162 he__get_c2c_hists(struct hist_entry *he,
 163                   const char *sort,
 164                   int nr_header_lines)
 165 {
 166         struct c2c_hist_entry *c2c_he;
 167         struct c2c_hists *hists;
 168         int ret;
 169
 170         c2c_he = container_of(he, struct c2c_hist_entry, he);
 171         if (c2c_he->hists)
 172                 return c2c_he->hists;
 173
 174         hists = c2c_he->hists = zalloc(sizeof(*hists));
 175         if (!hists)
 176                 return NULL;
 177
 178         ret = c2c_hists__init(hists, sort, nr_header_lines);
 179         if (ret) {
 180                 free(hists);
 181                 return NULL;
 182         }
 183
 184         return hists;
 185 }
 186
 187 static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
 188                             struct perf_sample *sample)
 189 {
 190         if (WARN_ONCE(sample->cpu == (unsigned int) -1,
 191                       "WARNING: no sample cpu value"))
 192                 return;
 193
 194         set_bit(sample->cpu, c2c_he->cpuset);
 195 }
 196
 197 static void compute_stats(struct c2c_hist_entry *c2c_he,
 198                           struct c2c_stats *stats,
 199                           u64 weight)
 200 {
 201         struct compute_stats *cstats = &c2c_he->cstats;
 202
 203         if (stats->rmt_hitm)
 204                 update_stats(&cstats->rmt_hitm, weight);
 205         else if (stats->lcl_hitm)
 206                 update_stats(&cstats->lcl_hitm, weight);
 207         else if (stats->load)
 208                 update_stats(&cstats->load, weight);
 209 }
 210
 211 static int process_sample_event(struct perf_tool *tool __maybe_unused,
 212                                 union perf_event *event,
 213                                 struct perf_sample *sample,
 214                                 struct perf_evsel *evsel,
 215                                 struct machine *machine)
 216 {
 217         struct c2c_hists *c2c_hists = &c2c.hists;
 218         struct c2c_hist_entry *c2c_he;
 219         struct c2c_stats stats = { .nr_entries = 0, };
 220         struct hist_entry *he;
 221         struct addr_location al;
 222         struct mem_info *mi, *mi_dup;
 223         int ret;
 224
 225         if (machine__resolve(machine, &al, sample) < 0) {
 226                 pr_debug("problem processing %d event, skipping it.\n",
 227                          event->header.type);
 228                 return -1;
 229         }
 230
 231         ret = sample__resolve_callchain(sample, &callchain_cursor, NULL,
 232                                         evsel, &al, sysctl_perf_event_max_stack);
 233         if (ret)
 234                 goto out;
 235
 236         mi = sample__resolve_mem(sample, &al);
 237         if (mi == NULL)
 238                 return -ENOMEM;
 239
 240         mi_dup = memdup(mi, sizeof(*mi));
 241         if (!mi_dup)
 242                 goto free_mi;
 243
 244         c2c_decode_stats(&stats, mi);
 245
 246         he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
 247                                   &al, NULL, NULL, mi,
 248                                   sample, true);
 249         if (he == NULL)
 250                 goto free_mi_dup;
 251
 252         c2c_he = container_of(he, struct c2c_hist_entry, he);
 253         c2c_add_stats(&c2c_he->stats, &stats);
 254         c2c_add_stats(&c2c_hists->stats, &stats);
 255
 256         c2c_he__set_cpu(c2c_he, sample);
 257
 258         hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
 259         ret = hist_entry__append_callchain(he, sample);
 260
 261         if (!ret) {
 262                 /*
 263                  * There's already been warning about missing
 264                  * sample's cpu value. Let's account all to
 265                  * node 0 in this case, without any further
 266                  * warning.
 267                  *
 268                  * Doing node stats only for single callchain data.
 269                  */
 270                 int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
 271                 int node = c2c.cpu2node[cpu];
 272
 273                 mi = mi_dup;
 274
 275                 mi_dup = memdup(mi, sizeof(*mi));
 276                 if (!mi_dup)
 277                         goto free_mi;
 278
 279                 c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2);
 280                 if (!c2c_hists)
 281                         goto free_mi_dup;
 282
 283                 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
 284                                           &al, NULL, NULL, mi,
 285                                           sample, true);
 286                 if (he == NULL)
 287                         goto free_mi_dup;
 288
 289                 c2c_he = container_of(he, struct c2c_hist_entry, he);
 290                 c2c_add_stats(&c2c_he->stats, &stats);
 291                 c2c_add_stats(&c2c_hists->stats, &stats);
 292                 c2c_add_stats(&c2c_he->node_stats[node], &stats);
 293
 294                 compute_stats(c2c_he, &stats, sample->weight);
 295
 296                 c2c_he__set_cpu(c2c_he, sample);
 297
 298                 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
 299                 ret = hist_entry__append_callchain(he, sample);
 300         }
 301
 302 out:
 303         addr_location__put(&al);
 304         return ret;
 305
 306 free_mi_dup:
 307         free(mi_dup);
 308 free_mi:
 309         free(mi);
 310         ret = -ENOMEM;
 311         goto out;
 312 }
 313
 314 static struct perf_c2c c2c = {
 315         .tool = {
 316                 .sample         = process_sample_event,
 317                 .mmap           = perf_event__process_mmap,
 318                 .mmap2          = perf_event__process_mmap2,
 319                 .comm           = perf_event__process_comm,
 320                 .exit           = perf_event__process_exit,
 321                 .fork           = perf_event__process_fork,
 322                 .lost           = perf_event__process_lost,
 323                 .ordered_events = true,
 324                 .ordering_requires_timestamps = true,
 325         },
 326 };
 327
 328 static const char * const c2c_usage[] = {
 329         "perf c2c {record|report}",
 330         NULL
 331 };
 332
 333 static const char * const __usage_report[] = {
 334         "perf c2c report",
 335         NULL
 336 };
 337
 338 static const char * const *report_c2c_usage = __usage_report;
 339
 340 #define C2C_HEADER_MAX 2
 341
 342 struct c2c_header {
 343         struct {
 344                 const char *text;
 345                 int         span;
 346         } line[C2C_HEADER_MAX];
 347 };
 348
 349 struct c2c_dimension {
 350         struct c2c_header        header;
 351         const char              *name;
 352         int                      width;
 353         struct sort_entry       *se;
 354
 355         int64_t (*cmp)(struct perf_hpp_fmt *fmt,
 356                        struct hist_entry *, struct hist_entry *);
 357         int   (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 358                        struct hist_entry *he);
 359         int   (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 360                        struct hist_entry *he);
 361 };
 362
 363 struct c2c_fmt {
 364         struct perf_hpp_fmt      fmt;
 365         struct c2c_dimension    *dim;
 366 };
 367
 368 #define SYMBOL_WIDTH 30
 369
 370 static struct c2c_dimension dim_symbol;
 371 static struct c2c_dimension dim_srcline;
 372
 373 static int symbol_width(struct hists *hists, struct sort_entry *se)
 374 {
 375         int width = hists__col_len(hists, se->se_width_idx);
 376
 377         if (!c2c.symbol_full)
 378                 width = MIN(width, SYMBOL_WIDTH);
 379
 380         return width;
 381 }
 382
 383 static int c2c_width(struct perf_hpp_fmt *fmt,
 384                      struct perf_hpp *hpp __maybe_unused,
 385                      struct hists *hists)
 386 {
 387         struct c2c_fmt *c2c_fmt;
 388         struct c2c_dimension *dim;
 389
 390         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
 391         dim = c2c_fmt->dim;
 392
 393         if (dim == &dim_symbol || dim == &dim_srcline)
 394                 return symbol_width(hists, dim->se);
 395
 396         return dim->se ? hists__col_len(hists, dim->se->se_width_idx) :
 397                          c2c_fmt->dim->width;
 398 }
 399
 400 static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 401                       struct hists *hists, int line, int *span)
 402 {
 403         struct perf_hpp_list *hpp_list = hists->hpp_list;
 404         struct c2c_fmt *c2c_fmt;
 405         struct c2c_dimension *dim;
 406         const char *text = NULL;
 407         int width = c2c_width(fmt, hpp, hists);
 408
 409         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
 410         dim = c2c_fmt->dim;
 411
 412         if (dim->se) {
 413                 text = dim->header.line[line].text;
 414                 /* Use the last line from sort_entry if not defined. */
 415                 if (!text && (line == hpp_list->nr_header_lines - 1))
 416                         text = dim->se->se_header;
 417         } else {
 418                 text = dim->header.line[line].text;
 419
 420                 if (*span) {
 421                         (*span)--;
 422                         return 0;
 423                 } else {
 424                         *span = dim->header.line[line].span;
 425                 }
 426         }
 427
 428         if (text == NULL)
 429                 text = "";
 430
 431         return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
 432 }
 433
 434 #define HEX_STR(__s, __v)                               \
 435 ({                                                      \
 436         scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
 437         __s;                                            \
 438 })
 439
 440 static int64_t
 441 dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 442                struct hist_entry *left, struct hist_entry *right)
 443 {
 444         return sort__dcacheline_cmp(left, right);
 445 }
 446
 447 static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 448                             struct hist_entry *he)
 449 {
 450         uint64_t addr = 0;
 451         int width = c2c_width(fmt, hpp, he->hists);
 452         char buf[20];
 453
 454         if (he->mem_info)
 455                 addr = cl_address(he->mem_info->daddr.addr);
 456
 457         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 458 }
 459
 460 static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 461                         struct hist_entry *he)
 462 {
 463         uint64_t addr = 0;
 464         int width = c2c_width(fmt, hpp, he->hists);
 465         char buf[20];
 466
 467         if (he->mem_info)
 468                 addr = cl_offset(he->mem_info->daddr.al_addr);
 469
 470         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 471 }
 472
 473 static int64_t
 474 offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 475            struct hist_entry *left, struct hist_entry *right)
 476 {
 477         uint64_t l = 0, r = 0;
 478
 479         if (left->mem_info)
 480                 l = cl_offset(left->mem_info->daddr.addr);
 481         if (right->mem_info)
 482                 r = cl_offset(right->mem_info->daddr.addr);
 483
 484         return (int64_t)(r - l);
 485 }
 486
 487 static int
 488 iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 489             struct hist_entry *he)
 490 {
 491         uint64_t addr = 0;
 492         int width = c2c_width(fmt, hpp, he->hists);
 493         char buf[20];
 494
 495         if (he->mem_info)
 496                 addr = he->mem_info->iaddr.addr;
 497
 498         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 499 }
 500
 501 static int64_t
 502 iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 503           struct hist_entry *left, struct hist_entry *right)
 504 {
 505         return sort__iaddr_cmp(left, right);
 506 }
 507
 508 static int
 509 tot_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 510                struct hist_entry *he)
 511 {
 512         struct c2c_hist_entry *c2c_he;
 513         int width = c2c_width(fmt, hpp, he->hists);
 514         unsigned int tot_hitm;
 515
 516         c2c_he = container_of(he, struct c2c_hist_entry, he);
 517         tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm;
 518
 519         return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm);
 520 }
 521
 522 static int64_t
 523 tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 524              struct hist_entry *left, struct hist_entry *right)
 525 {
 526         struct c2c_hist_entry *c2c_left;
 527         struct c2c_hist_entry *c2c_right;
 528         unsigned int tot_hitm_left;
 529         unsigned int tot_hitm_right;
 530
 531         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 532         c2c_right = container_of(right, struct c2c_hist_entry, he);
 533
 534         tot_hitm_left  = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm;
 535         tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm;
 536
 537         return tot_hitm_left - tot_hitm_right;
 538 }
 539
 540 #define STAT_FN_ENTRY(__f)                                      \
 541 static int                                                      \
 542 __f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,   \
 543               struct hist_entry *he)                            \
 544 {                                                               \
 545         struct c2c_hist_entry *c2c_he;                          \
 546         int width = c2c_width(fmt, hpp, he->hists);             \
 547                                                                 \
 548         c2c_he = container_of(he, struct c2c_hist_entry, he);   \
 549         return scnprintf(hpp->buf, hpp->size, "%*u", width,     \
 550                          c2c_he->stats.__f);                    \
 551 }
 552
 553 #define STAT_FN_CMP(__f)                                                \
 554 static int64_t                                                          \
 555 __f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused,                    \
 556             struct hist_entry *left, struct hist_entry *right)          \
 557 {                                                                       \
 558         struct c2c_hist_entry *c2c_left, *c2c_right;                    \
 559                                                                         \
 560         c2c_left  = container_of(left, struct c2c_hist_entry, he);      \
 561         c2c_right = container_of(right, struct c2c_hist_entry, he);     \
 562         return c2c_left->stats.__f - c2c_right->stats.__f;              \
 563 }
 564
 565 #define STAT_FN(__f)            \
 566         STAT_FN_ENTRY(__f)      \
 567         STAT_FN_CMP(__f)
 568
 569 STAT_FN(rmt_hitm)
 570 STAT_FN(lcl_hitm)
 571 STAT_FN(store)
 572 STAT_FN(st_l1hit)
 573 STAT_FN(st_l1miss)
 574 STAT_FN(ld_fbhit)
 575 STAT_FN(ld_l1hit)
 576 STAT_FN(ld_l2hit)
 577 STAT_FN(ld_llchit)
 578 STAT_FN(rmt_hit)
 579
 580 static uint64_t llc_miss(struct c2c_stats *stats)
 581 {
 582         uint64_t llcmiss;
 583
 584         llcmiss = stats->lcl_dram +
 585                   stats->rmt_dram +
 586                   stats->rmt_hitm +
 587                   stats->rmt_hit;
 588
 589         return llcmiss;
 590 }
 591
 592 static int
 593 ld_llcmiss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 594                  struct hist_entry *he)
 595 {
 596         struct c2c_hist_entry *c2c_he;
 597         int width = c2c_width(fmt, hpp, he->hists);
 598
 599         c2c_he = container_of(he, struct c2c_hist_entry, he);
 600
 601         return scnprintf(hpp->buf, hpp->size, "%*lu", width,
 602                          llc_miss(&c2c_he->stats));
 603 }
 604
 605 static int64_t
 606 ld_llcmiss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 607                struct hist_entry *left, struct hist_entry *right)
 608 {
 609         struct c2c_hist_entry *c2c_left;
 610         struct c2c_hist_entry *c2c_right;
 611
 612         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 613         c2c_right = container_of(right, struct c2c_hist_entry, he);
 614
 615         return llc_miss(&c2c_left->stats) - llc_miss(&c2c_right->stats);
 616 }
 617
 618 static uint64_t total_records(struct c2c_stats *stats)
 619 {
 620         uint64_t lclmiss, ldcnt, total;
 621
 622         lclmiss  = stats->lcl_dram +
 623                    stats->rmt_dram +
 624                    stats->rmt_hitm +
 625                    stats->rmt_hit;
 626
 627         ldcnt    = lclmiss +
 628                    stats->ld_fbhit +
 629                    stats->ld_l1hit +
 630                    stats->ld_l2hit +
 631                    stats->ld_llchit +
 632                    stats->lcl_hitm;
 633
 634         total    = ldcnt +
 635                    stats->st_l1hit +
 636                    stats->st_l1miss;
 637
 638         return total;
 639 }
 640
 641 static int
 642 tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 643                 struct hist_entry *he)
 644 {
 645         struct c2c_hist_entry *c2c_he;
 646         int width = c2c_width(fmt, hpp, he->hists);
 647         uint64_t tot_recs;
 648
 649         c2c_he = container_of(he, struct c2c_hist_entry, he);
 650         tot_recs = total_records(&c2c_he->stats);
 651
 652         return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
 653 }
 654
 655 static int64_t
 656 tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 657              struct hist_entry *left, struct hist_entry *right)
 658 {
 659         struct c2c_hist_entry *c2c_left;
 660         struct c2c_hist_entry *c2c_right;
 661         uint64_t tot_recs_left;
 662         uint64_t tot_recs_right;
 663
 664         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 665         c2c_right = container_of(right, struct c2c_hist_entry, he);
 666
 667         tot_recs_left  = total_records(&c2c_left->stats);
 668         tot_recs_right = total_records(&c2c_right->stats);
 669
 670         return tot_recs_left - tot_recs_right;
 671 }
 672
 673 static uint64_t total_loads(struct c2c_stats *stats)
 674 {
 675         uint64_t lclmiss, ldcnt;
 676
 677         lclmiss  = stats->lcl_dram +
 678                    stats->rmt_dram +
 679                    stats->rmt_hitm +
 680                    stats->rmt_hit;
 681
 682         ldcnt    = lclmiss +
 683                    stats->ld_fbhit +
 684                    stats->ld_l1hit +
 685                    stats->ld_l2hit +
 686                    stats->ld_llchit +
 687                    stats->lcl_hitm;
 688
 689         return ldcnt;
 690 }
 691
 692 static int
 693 tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 694                 struct hist_entry *he)
 695 {
 696         struct c2c_hist_entry *c2c_he;
 697         int width = c2c_width(fmt, hpp, he->hists);
 698         uint64_t tot_recs;
 699
 700         c2c_he = container_of(he, struct c2c_hist_entry, he);
 701         tot_recs = total_loads(&c2c_he->stats);
 702
 703         return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
 704 }
 705
 706 static int64_t
 707 tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 708               struct hist_entry *left, struct hist_entry *right)
 709 {
 710         struct c2c_hist_entry *c2c_left;
 711         struct c2c_hist_entry *c2c_right;
 712         uint64_t tot_recs_left;
 713         uint64_t tot_recs_right;
 714
 715         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 716         c2c_right = container_of(right, struct c2c_hist_entry, he);
 717
 718         tot_recs_left  = total_loads(&c2c_left->stats);
 719         tot_recs_right = total_loads(&c2c_right->stats);
 720
 721         return tot_recs_left - tot_recs_right;
 722 }
 723
 724 typedef double (get_percent_cb)(struct c2c_hist_entry *);
 725
 726 static int
 727 percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 728               struct hist_entry *he, get_percent_cb get_percent)
 729 {
 730         struct c2c_hist_entry *c2c_he;
 731         int width = c2c_width(fmt, hpp, he->hists);
 732         double per;
 733
 734         c2c_he = container_of(he, struct c2c_hist_entry, he);
 735         per = get_percent(c2c_he);
 736
 737 #ifdef HAVE_SLANG_SUPPORT
 738         if (use_browser)
 739                 return __hpp__slsmg_color_printf(hpp, "%*.2f%%", width - 1, per);
 740 #endif
 741         return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
 742 }
 743
 744 static double percent_hitm(struct c2c_hist_entry *c2c_he)
 745 {
 746         struct c2c_hists *hists;
 747         struct c2c_stats *stats;
 748         struct c2c_stats *total;
 749         int tot = 0, st = 0;
 750         double p;
 751
 752         hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
 753         stats = &c2c_he->stats;
 754         total = &hists->stats;
 755
 756         switch (c2c.display) {
 757         case DISPLAY_RMT:
 758                 st  = stats->rmt_hitm;
 759                 tot = total->rmt_hitm;
 760                 break;
 761         case DISPLAY_LCL:
 762                 st  = stats->lcl_hitm;
 763                 tot = total->lcl_hitm;
 764                 break;
 765         case DISPLAY_TOT:
 766                 st  = stats->tot_hitm;
 767                 tot = total->tot_hitm;
 768         default:
 769                 break;
 770         }
 771
 772         p = tot ? (double) st / tot : 0;
 773
 774         return 100 * p;
 775 }
 776
 777 #define PERC_STR(__s, __v)                              \
 778 ({                                                      \
 779         scnprintf(__s, sizeof(__s), "%.2F%%", __v);     \
 780         __s;                                            \
 781 })
 782
 783 static int
 784 percent_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 785                    struct hist_entry *he)
 786 {
 787         struct c2c_hist_entry *c2c_he;
 788         int width = c2c_width(fmt, hpp, he->hists);
 789         char buf[10];
 790         double per;
 791
 792         c2c_he = container_of(he, struct c2c_hist_entry, he);
 793         per = percent_hitm(c2c_he);
 794         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 795 }
 796
 797 static int
 798 percent_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 799                    struct hist_entry *he)
 800 {
 801         return percent_color(fmt, hpp, he, percent_hitm);
 802 }
 803
 804 static int64_t
 805 percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 806                  struct hist_entry *left, struct hist_entry *right)
 807 {
 808         struct c2c_hist_entry *c2c_left;
 809         struct c2c_hist_entry *c2c_right;
 810         double per_left;
 811         double per_right;
 812
 813         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 814         c2c_right = container_of(right, struct c2c_hist_entry, he);
 815
 816         per_left  = percent_hitm(c2c_left);
 817         per_right = percent_hitm(c2c_right);
 818
 819         return per_left - per_right;
 820 }
 821
 822 static struct c2c_stats *he_stats(struct hist_entry *he)
 823 {
 824         struct c2c_hist_entry *c2c_he;
 825
 826         c2c_he = container_of(he, struct c2c_hist_entry, he);
 827         return &c2c_he->stats;
 828 }
 829
 830 static struct c2c_stats *total_stats(struct hist_entry *he)
 831 {
 832         struct c2c_hists *hists;
 833
 834         hists = container_of(he->hists, struct c2c_hists, hists);
 835         return &hists->stats;
 836 }
 837
 838 static double percent(int st, int tot)
 839 {
 840         return tot ? 100. * (double) st / (double) tot : 0;
 841 }
 842
 843 #define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
 844
 845 #define PERCENT_FN(__f)                                                         \
 846 static double percent_ ## __f(struct c2c_hist_entry *c2c_he)                    \
 847 {                                                                               \
 848         struct c2c_hists *hists;                                                \
 849                                                                                 \
 850         hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);        \
 851         return percent(c2c_he->stats.__f, hists->stats.__f);                    \
 852 }
 853
 854 PERCENT_FN(rmt_hitm)
 855 PERCENT_FN(lcl_hitm)
 856 PERCENT_FN(st_l1hit)
 857 PERCENT_FN(st_l1miss)
 858
 859 static int
 860 percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 861                        struct hist_entry *he)
 862 {
 863         int width = c2c_width(fmt, hpp, he->hists);
 864         double per = PERCENT(he, rmt_hitm);
 865         char buf[10];
 866
 867         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 868 }
 869
 870 static int
 871 percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 872                        struct hist_entry *he)
 873 {
 874         return percent_color(fmt, hpp, he, percent_rmt_hitm);
 875 }
 876
 877 static int64_t
 878 percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 879                      struct hist_entry *left, struct hist_entry *right)
 880 {
 881         double per_left;
 882         double per_right;
 883
 884         per_left  = PERCENT(left, lcl_hitm);
 885         per_right = PERCENT(right, lcl_hitm);
 886
 887         return per_left - per_right;
 888 }
 889
 890 static int
 891 percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 892                        struct hist_entry *he)
 893 {
 894         int width = c2c_width(fmt, hpp, he->hists);
 895         double per = PERCENT(he, lcl_hitm);
 896         char buf[10];
 897
 898         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 899 }
 900
 901 static int
 902 percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 903                        struct hist_entry *he)
 904 {
 905         return percent_color(fmt, hpp, he, percent_lcl_hitm);
 906 }
 907
 908 static int64_t
 909 percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 910                      struct hist_entry *left, struct hist_entry *right)
 911 {
 912         double per_left;
 913         double per_right;
 914
 915         per_left  = PERCENT(left, lcl_hitm);
 916         per_right = PERCENT(right, lcl_hitm);
 917
 918         return per_left - per_right;
 919 }
 920
 921 static int
 922 percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 923                            struct hist_entry *he)
 924 {
 925         int width = c2c_width(fmt, hpp, he->hists);
 926         double per = PERCENT(he, st_l1hit);
 927         char buf[10];
 928
 929         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 930 }
 931
 932 static int
 933 percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 934                            struct hist_entry *he)
 935 {
 936         return percent_color(fmt, hpp, he, percent_st_l1hit);
 937 }
 938
 939 static int64_t
 940 percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 941                         struct hist_entry *left, struct hist_entry *right)
 942 {
 943         double per_left;
 944         double per_right;
 945
 946         per_left  = PERCENT(left, st_l1hit);
 947         per_right = PERCENT(right, st_l1hit);
 948
 949         return per_left - per_right;
 950 }
 951
 952 static int
 953 percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 954                            struct hist_entry *he)
 955 {
 956         int width = c2c_width(fmt, hpp, he->hists);
 957         double per = PERCENT(he, st_l1miss);
 958         char buf[10];
 959
 960         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 961 }
 962
 963 static int
 964 percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 965                             struct hist_entry *he)
 966 {
 967         return percent_color(fmt, hpp, he, percent_st_l1miss);
 968 }
 969
 970 static int64_t
 971 percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 972                           struct hist_entry *left, struct hist_entry *right)
 973 {
 974         double per_left;
 975         double per_right;
 976
 977         per_left  = PERCENT(left, st_l1miss);
 978         per_right = PERCENT(right, st_l1miss);
 979
 980         return per_left - per_right;
 981 }
 982
 983 STAT_FN(lcl_dram)
 984 STAT_FN(rmt_dram)
 985
 986 static int
 987 pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 988           struct hist_entry *he)
 989 {
 990         int width = c2c_width(fmt, hpp, he->hists);
 991
 992         return scnprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_);
 993 }
 994
 995 static int64_t
 996 pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 997         struct hist_entry *left, struct hist_entry *right)
 998 {
 999         return left->thread->pid_ - right->thread->pid_;
1000 }
1001
1002 static int64_t
1003 empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1004           struct hist_entry *left __maybe_unused,
1005           struct hist_entry *right __maybe_unused)
1006 {
1007         return 0;
1008 }
1009
1010 static int
1011 node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
1012            struct hist_entry *he)
1013 {
1014         struct c2c_hist_entry *c2c_he;
1015         bool first = true;
1016         int node;
1017         int ret = 0;
1018
1019         c2c_he = container_of(he, struct c2c_hist_entry, he);
1020
1021         for (node = 0; node < c2c.nodes_cnt; node++) {
1022                 DECLARE_BITMAP(set, c2c.cpus_cnt);
1023
1024                 bitmap_zero(set, c2c.cpus_cnt);
1025                 bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
1026
1027                 if (!bitmap_weight(set, c2c.cpus_cnt)) {
1028                         if (c2c.node_info == 1) {
1029                                 ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
1030                                 advance_hpp(hpp, ret);
1031                         }
1032                         continue;
1033                 }
1034
1035                 if (!first) {
1036                         ret = scnprintf(hpp->buf, hpp->size, " ");
1037                         advance_hpp(hpp, ret);
1038                 }
1039
1040                 switch (c2c.node_info) {
1041                 case 0:
1042                         ret = scnprintf(hpp->buf, hpp->size, "%2d", node);
1043                         advance_hpp(hpp, ret);
1044                         break;
1045                 case 1:
1046                 {
1047                         int num = bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt);
1048                         struct c2c_stats *stats = &c2c_he->node_stats[node];
1049
1050                         ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
1051                         advance_hpp(hpp, ret);
1052
1053                 #define DISPLAY_HITM(__h)                                               \
1054                         if (c2c_he->stats.__h> 0) {                                     \
1055                                 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ",        \
1056                                                 percent(stats->__h, c2c_he->stats.__h));\
1057                         } else {                                                        \
1058                                 ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a");    \
1059                         }
1060
1061                         switch (c2c.display) {
1062                         case DISPLAY_RMT:
1063                                 DISPLAY_HITM(rmt_hitm);
1064                                 break;
1065                         case DISPLAY_LCL:
1066                                 DISPLAY_HITM(lcl_hitm);
1067                                 break;
1068                         case DISPLAY_TOT:
1069                                 DISPLAY_HITM(tot_hitm);
1070                         default:
1071                                 break;
1072                         }
1073
1074                 #undef DISPLAY_HITM
1075
1076                         advance_hpp(hpp, ret);
1077
1078                         if (c2c_he->stats.store > 0) {
1079                                 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}",
1080                                                 percent(stats->store, c2c_he->stats.store));
1081                         } else {
1082                                 ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a");
1083                         }
1084
1085                         advance_hpp(hpp, ret);
1086                         break;
1087                 }
1088                 case 2:
1089                         ret = scnprintf(hpp->buf, hpp->size, "%2d{", node);
1090                         advance_hpp(hpp, ret);
1091
1092                         ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size);
1093                         advance_hpp(hpp, ret);
1094
1095                         ret = scnprintf(hpp->buf, hpp->size, "}");
1096                         advance_hpp(hpp, ret);
1097                         break;
1098                 default:
1099                         break;
1100                 }
1101
1102                 first = false;
1103         }
1104
1105         return 0;
1106 }
1107
1108 static int
1109 mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1110            struct hist_entry *he, double mean)
1111 {
1112         int width = c2c_width(fmt, hpp, he->hists);
1113         char buf[10];
1114
1115         scnprintf(buf, 10, "%6.0f", mean);
1116         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1117 }
1118
1119 #define MEAN_ENTRY(__func, __val)                                               \
1120 static int                                                                      \
1121 __func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he)   \
1122 {                                                                               \
1123         struct c2c_hist_entry *c2c_he;                                          \
1124         c2c_he = container_of(he, struct c2c_hist_entry, he);                   \
1125         return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val));      \
1126 }
1127
1128 MEAN_ENTRY(mean_rmt_entry,  rmt_hitm);
1129 MEAN_ENTRY(mean_lcl_entry,  lcl_hitm);
1130 MEAN_ENTRY(mean_load_entry, load);
1131
1132 static int
1133 cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1134              struct hist_entry *he)
1135 {
1136         struct c2c_hist_entry *c2c_he;
1137         int width = c2c_width(fmt, hpp, he->hists);
1138         char buf[10];
1139
1140         c2c_he = container_of(he, struct c2c_hist_entry, he);
1141
1142         scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
1143         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1144 }
1145
1146 static int
1147 cl_idx_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1148              struct hist_entry *he)
1149 {
1150         struct c2c_hist_entry *c2c_he;
1151         int width = c2c_width(fmt, hpp, he->hists);
1152         char buf[10];
1153
1154         c2c_he = container_of(he, struct c2c_hist_entry, he);
1155
1156         scnprintf(buf, 10, "%u", c2c_he->cacheline_idx);
1157         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1158 }
1159
1160 static int
1161 cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1162                    struct hist_entry *he)
1163 {
1164         int width = c2c_width(fmt, hpp, he->hists);
1165
1166         return scnprintf(hpp->buf, hpp->size, "%*s", width, "");
1167 }
1168
1169 #define HEADER_LOW(__h)                 \
1170         {                               \
1171                 .line[1] = {            \
1172                         .text = __h,    \
1173                 },                      \
1174         }
1175
1176 #define HEADER_BOTH(__h0, __h1)         \
1177         {                               \
1178                 .line[0] = {            \
1179                         .text = __h0,   \
1180                 },                      \
1181                 .line[1] = {            \
1182                         .text = __h1,   \
1183                 },                      \
1184         }
1185
1186 #define HEADER_SPAN(__h0, __h1, __s)    \
1187         {                               \
1188                 .line[0] = {            \
1189                         .text = __h0,   \
1190                         .span = __s,    \
1191                 },                      \
1192                 .line[1] = {            \
1193                         .text = __h1,   \
1194                 },                      \
1195         }
1196
1197 #define HEADER_SPAN_LOW(__h)            \
1198         {                               \
1199                 .line[1] = {            \
1200                         .text = __h,    \
1201                 },                      \
1202         }
1203
1204 static struct c2c_dimension dim_dcacheline = {
1205         .header         = HEADER_LOW("Cacheline"),
1206         .name           = "dcacheline",
1207         .cmp            = dcacheline_cmp,
1208         .entry          = dcacheline_entry,
1209         .width          = 18,
1210 };
1211
1212 static struct c2c_header header_offset_tui = HEADER_LOW("Off");
1213
1214 static struct c2c_dimension dim_offset = {
1215         .header         = HEADER_BOTH("Data address", "Offset"),
1216         .name           = "offset",
1217         .cmp            = offset_cmp,
1218         .entry          = offset_entry,
1219         .width          = 18,
1220 };
1221
1222 static struct c2c_dimension dim_iaddr = {
1223         .header         = HEADER_LOW("Code address"),
1224         .name           = "iaddr",
1225         .cmp            = iaddr_cmp,
1226         .entry          = iaddr_entry,
1227         .width          = 18,
1228 };
1229
1230 static struct c2c_dimension dim_tot_hitm = {
1231         .header         = HEADER_SPAN("----- LLC Load Hitm -----", "Total", 2),
1232         .name           = "tot_hitm",
1233         .cmp            = tot_hitm_cmp,
1234         .entry          = tot_hitm_entry,
1235         .width          = 7,
1236 };
1237
1238 static struct c2c_dimension dim_lcl_hitm = {
1239         .header         = HEADER_SPAN_LOW("Lcl"),
1240         .name           = "lcl_hitm",
1241         .cmp            = lcl_hitm_cmp,
1242         .entry          = lcl_hitm_entry,
1243         .width          = 7,
1244 };
1245
1246 static struct c2c_dimension dim_rmt_hitm = {
1247         .header         = HEADER_SPAN_LOW("Rmt"),
1248         .name           = "rmt_hitm",
1249         .cmp            = rmt_hitm_cmp,
1250         .entry          = rmt_hitm_entry,
1251         .width          = 7,
1252 };
1253
1254 static struct c2c_dimension dim_cl_rmt_hitm = {
1255         .header         = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1256         .name           = "cl_rmt_hitm",
1257         .cmp            = rmt_hitm_cmp,
1258         .entry          = rmt_hitm_entry,
1259         .width          = 7,
1260 };
1261
1262 static struct c2c_dimension dim_cl_lcl_hitm = {
1263         .header         = HEADER_SPAN_LOW("Lcl"),
1264         .name           = "cl_lcl_hitm",
1265         .cmp            = lcl_hitm_cmp,
1266         .entry          = lcl_hitm_entry,
1267         .width          = 7,
1268 };
1269
1270 static struct c2c_dimension dim_stores = {
1271         .header         = HEADER_SPAN("---- Store Reference ----", "Total", 2),
1272         .name           = "stores",
1273         .cmp            = store_cmp,
1274         .entry          = store_entry,
1275         .width          = 7,
1276 };
1277
1278 static struct c2c_dimension dim_stores_l1hit = {
1279         .header         = HEADER_SPAN_LOW("L1Hit"),
1280         .name           = "stores_l1hit",
1281         .cmp            = st_l1hit_cmp,
1282         .entry          = st_l1hit_entry,
1283         .width          = 7,
1284 };
1285
1286 static struct c2c_dimension dim_stores_l1miss = {
1287         .header         = HEADER_SPAN_LOW("L1Miss"),
1288         .name           = "stores_l1miss",
1289         .cmp            = st_l1miss_cmp,
1290         .entry          = st_l1miss_entry,
1291         .width          = 7,
1292 };
1293
1294 static struct c2c_dimension dim_cl_stores_l1hit = {
1295         .header         = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1296         .name           = "cl_stores_l1hit",
1297         .cmp            = st_l1hit_cmp,
1298         .entry          = st_l1hit_entry,
1299         .width          = 7,
1300 };
1301
1302 static struct c2c_dimension dim_cl_stores_l1miss = {
1303         .header         = HEADER_SPAN_LOW("L1 Miss"),
1304         .name           = "cl_stores_l1miss",
1305         .cmp            = st_l1miss_cmp,
1306         .entry          = st_l1miss_entry,
1307         .width          = 7,
1308 };
1309
1310 static struct c2c_dimension dim_ld_fbhit = {
1311         .header         = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
1312         .name           = "ld_fbhit",
1313         .cmp            = ld_fbhit_cmp,
1314         .entry          = ld_fbhit_entry,
1315         .width          = 7,
1316 };
1317
1318 static struct c2c_dimension dim_ld_l1hit = {
1319         .header         = HEADER_SPAN_LOW("L1"),
1320         .name           = "ld_l1hit",
1321         .cmp            = ld_l1hit_cmp,
1322         .entry          = ld_l1hit_entry,
1323         .width          = 7,
1324 };
1325
1326 static struct c2c_dimension dim_ld_l2hit = {
1327         .header         = HEADER_SPAN_LOW("L2"),
1328         .name           = "ld_l2hit",
1329         .cmp            = ld_l2hit_cmp,
1330         .entry          = ld_l2hit_entry,
1331         .width          = 7,
1332 };
1333
1334 static struct c2c_dimension dim_ld_llchit = {
1335         .header         = HEADER_SPAN("-- LLC Load Hit --", "Llc", 1),
1336         .name           = "ld_lclhit",
1337         .cmp            = ld_llchit_cmp,
1338         .entry          = ld_llchit_entry,
1339         .width          = 8,
1340 };
1341
1342 static struct c2c_dimension dim_ld_rmthit = {
1343         .header         = HEADER_SPAN_LOW("Rmt"),
1344         .name           = "ld_rmthit",
1345         .cmp            = rmt_hit_cmp,
1346         .entry          = rmt_hit_entry,
1347         .width          = 8,
1348 };
1349
1350 static struct c2c_dimension dim_ld_llcmiss = {
1351         .header         = HEADER_BOTH("LLC", "Ld Miss"),
1352         .name           = "ld_llcmiss",
1353         .cmp            = ld_llcmiss_cmp,
1354         .entry          = ld_llcmiss_entry,
1355         .width          = 7,
1356 };
1357
1358 static struct c2c_dimension dim_tot_recs = {
1359         .header         = HEADER_BOTH("Total", "records"),
1360         .name           = "tot_recs",
1361         .cmp            = tot_recs_cmp,
1362         .entry          = tot_recs_entry,
1363         .width          = 7,
1364 };
1365
1366 static struct c2c_dimension dim_tot_loads = {
1367         .header         = HEADER_BOTH("Total", "Loads"),
1368         .name           = "tot_loads",
1369         .cmp            = tot_loads_cmp,
1370         .entry          = tot_loads_entry,
1371         .width          = 7,
1372 };
1373
1374 static struct c2c_header percent_hitm_header[] = {
1375         [DISPLAY_LCL] = HEADER_BOTH("Lcl", "Hitm"),
1376         [DISPLAY_RMT] = HEADER_BOTH("Rmt", "Hitm"),
1377         [DISPLAY_TOT] = HEADER_BOTH("Tot", "Hitm"),
1378 };
1379
1380 static struct c2c_dimension dim_percent_hitm = {
1381         .name           = "percent_hitm",
1382         .cmp            = percent_hitm_cmp,
1383         .entry          = percent_hitm_entry,
1384         .color          = percent_hitm_color,
1385         .width          = 7,
1386 };
1387
1388 static struct c2c_dimension dim_percent_rmt_hitm = {
1389         .header         = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1390         .name           = "percent_rmt_hitm",
1391         .cmp            = percent_rmt_hitm_cmp,
1392         .entry          = percent_rmt_hitm_entry,
1393         .color          = percent_rmt_hitm_color,
1394         .width          = 7,
1395 };
1396
1397 static struct c2c_dimension dim_percent_lcl_hitm = {
1398         .header         = HEADER_SPAN_LOW("Lcl"),
1399         .name           = "percent_lcl_hitm",
1400         .cmp            = percent_lcl_hitm_cmp,
1401         .entry          = percent_lcl_hitm_entry,
1402         .color          = percent_lcl_hitm_color,
1403         .width          = 7,
1404 };
1405
1406 static struct c2c_dimension dim_percent_stores_l1hit = {
1407         .header         = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1408         .name           = "percent_stores_l1hit",
1409         .cmp            = percent_stores_l1hit_cmp,
1410         .entry          = percent_stores_l1hit_entry,
1411         .color          = percent_stores_l1hit_color,
1412         .width          = 7,
1413 };
1414
1415 static struct c2c_dimension dim_percent_stores_l1miss = {
1416         .header         = HEADER_SPAN_LOW("L1 Miss"),
1417         .name           = "percent_stores_l1miss",
1418         .cmp            = percent_stores_l1miss_cmp,
1419         .entry          = percent_stores_l1miss_entry,
1420         .color          = percent_stores_l1miss_color,
1421         .width          = 7,
1422 };
1423
1424 static struct c2c_dimension dim_dram_lcl = {
1425         .header         = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
1426         .name           = "dram_lcl",
1427         .cmp            = lcl_dram_cmp,
1428         .entry          = lcl_dram_entry,
1429         .width          = 8,
1430 };
1431
1432 static struct c2c_dimension dim_dram_rmt = {
1433         .header         = HEADER_SPAN_LOW("Rmt"),
1434         .name           = "dram_rmt",
1435         .cmp            = rmt_dram_cmp,
1436         .entry          = rmt_dram_entry,
1437         .width          = 8,
1438 };
1439
1440 static struct c2c_dimension dim_pid = {
1441         .header         = HEADER_LOW("Pid"),
1442         .name           = "pid",
1443         .cmp            = pid_cmp,
1444         .entry          = pid_entry,
1445         .width          = 7,
1446 };
1447
1448 static struct c2c_dimension dim_tid = {
1449         .header         = HEADER_LOW("Tid"),
1450         .name           = "tid",
1451         .se             = &sort_thread,
1452 };
1453
1454 static struct c2c_dimension dim_symbol = {
1455         .name           = "symbol",
1456         .se             = &sort_sym,
1457 };
1458
1459 static struct c2c_dimension dim_dso = {
1460         .header         = HEADER_BOTH("Shared", "Object"),
1461         .name           = "dso",
1462         .se             = &sort_dso,
1463 };
1464
1465 static struct c2c_header header_node[3] = {
1466         HEADER_LOW("Node"),
1467         HEADER_LOW("Node{cpus %hitms %stores}"),
1468         HEADER_LOW("Node{cpu list}"),
1469 };
1470
1471 static struct c2c_dimension dim_node = {
1472         .name           = "node",
1473         .cmp            = empty_cmp,
1474         .entry          = node_entry,
1475         .width          = 4,
1476 };
1477
1478 static struct c2c_dimension dim_mean_rmt = {
1479         .header         = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2),
1480         .name           = "mean_rmt",
1481         .cmp            = empty_cmp,
1482         .entry          = mean_rmt_entry,
1483         .width          = 8,
1484 };
1485
1486 static struct c2c_dimension dim_mean_lcl = {
1487         .header         = HEADER_SPAN_LOW("lcl hitm"),
1488         .name           = "mean_lcl",
1489         .cmp            = empty_cmp,
1490         .entry          = mean_lcl_entry,
1491         .width          = 8,
1492 };
1493
1494 static struct c2c_dimension dim_mean_load = {
1495         .header         = HEADER_SPAN_LOW("load"),
1496         .name           = "mean_load",
1497         .cmp            = empty_cmp,
1498         .entry          = mean_load_entry,
1499         .width          = 8,
1500 };
1501
1502 static struct c2c_dimension dim_cpucnt = {
1503         .header         = HEADER_BOTH("cpu", "cnt"),
1504         .name           = "cpucnt",
1505         .cmp            = empty_cmp,
1506         .entry          = cpucnt_entry,
1507         .width          = 8,
1508 };
1509
1510 static struct c2c_dimension dim_srcline = {
1511         .name           = "cl_srcline",
1512         .se             = &sort_srcline,
1513 };
1514
1515 static struct c2c_dimension dim_dcacheline_idx = {
1516         .header         = HEADER_LOW("Index"),
1517         .name           = "cl_idx",
1518         .cmp            = empty_cmp,
1519         .entry          = cl_idx_entry,
1520         .width          = 5,
1521 };
1522
1523 static struct c2c_dimension dim_dcacheline_num = {
1524         .header         = HEADER_LOW("Num"),
1525         .name           = "cl_num",
1526         .cmp            = empty_cmp,
1527         .entry          = cl_idx_entry,
1528         .width          = 5,
1529 };
1530
1531 static struct c2c_dimension dim_dcacheline_num_empty = {
1532         .header         = HEADER_LOW("Num"),
1533         .name           = "cl_num_empty",
1534         .cmp            = empty_cmp,
1535         .entry          = cl_idx_empty_entry,
1536         .width          = 5,
1537 };
1538
1539 static struct c2c_dimension *dimensions[] = {
1540         &dim_dcacheline,
1541         &dim_offset,
1542         &dim_iaddr,
1543         &dim_tot_hitm,
1544         &dim_lcl_hitm,
1545         &dim_rmt_hitm,
1546         &dim_cl_lcl_hitm,
1547         &dim_cl_rmt_hitm,
1548         &dim_stores,
1549         &dim_stores_l1hit,
1550         &dim_stores_l1miss,
1551         &dim_cl_stores_l1hit,
1552         &dim_cl_stores_l1miss,
1553         &dim_ld_fbhit,
1554         &dim_ld_l1hit,
1555         &dim_ld_l2hit,
1556         &dim_ld_llchit,
1557         &dim_ld_rmthit,
1558         &dim_ld_llcmiss,
1559         &dim_tot_recs,
1560         &dim_tot_loads,
1561         &dim_percent_hitm,
1562         &dim_percent_rmt_hitm,
1563         &dim_percent_lcl_hitm,
1564         &dim_percent_stores_l1hit,
1565         &dim_percent_stores_l1miss,
1566         &dim_dram_lcl,
1567         &dim_dram_rmt,
1568         &dim_pid,
1569         &dim_tid,
1570         &dim_symbol,
1571         &dim_dso,
1572         &dim_node,
1573         &dim_mean_rmt,
1574         &dim_mean_lcl,
1575         &dim_mean_load,
1576         &dim_cpucnt,
1577         &dim_srcline,
1578         &dim_dcacheline_idx,
1579         &dim_dcacheline_num,
1580         &dim_dcacheline_num_empty,
1581         NULL,
1582 };
1583
1584 static void fmt_free(struct perf_hpp_fmt *fmt)
1585 {
1586         struct c2c_fmt *c2c_fmt;
1587
1588         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1589         free(c2c_fmt);
1590 }
1591
1592 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1593 {
1594         struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt);
1595         struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt);
1596
1597         return c2c_a->dim == c2c_b->dim;
1598 }
1599
1600 static struct c2c_dimension *get_dimension(const char *name)
1601 {
1602         unsigned int i;
1603
1604         for (i = 0; dimensions[i]; i++) {
1605                 struct c2c_dimension *dim = dimensions[i];
1606
1607                 if (!strcmp(dim->name, name))
1608                         return dim;
1609         };
1610
1611         return NULL;
1612 }
1613
1614 static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1615                         struct hist_entry *he)
1616 {
1617         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1618         struct c2c_dimension *dim = c2c_fmt->dim;
1619         size_t len = fmt->user_len;
1620
1621         if (!len) {
1622                 len = hists__col_len(he->hists, dim->se->se_width_idx);
1623
1624                 if (dim == &dim_symbol || dim == &dim_srcline)
1625                         len = symbol_width(he->hists, dim->se);
1626         }
1627
1628         return dim->se->se_snprintf(he, hpp->buf, hpp->size, len);
1629 }
1630
1631 static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt,
1632                           struct hist_entry *a, struct hist_entry *b)
1633 {
1634         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1635         struct c2c_dimension *dim = c2c_fmt->dim;
1636
1637         return dim->se->se_cmp(a, b);
1638 }
1639
1640 static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt,
1641                                struct hist_entry *a, struct hist_entry *b)
1642 {
1643         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1644         struct c2c_dimension *dim = c2c_fmt->dim;
1645         int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1646
1647         collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp;
1648         return collapse_fn(a, b);
1649 }
1650
1651 static struct c2c_fmt *get_format(const char *name)
1652 {
1653         struct c2c_dimension *dim = get_dimension(name);
1654         struct c2c_fmt *c2c_fmt;
1655         struct perf_hpp_fmt *fmt;
1656
1657         if (!dim)
1658                 return NULL;
1659
1660         c2c_fmt = zalloc(sizeof(*c2c_fmt));
1661         if (!c2c_fmt)
1662                 return NULL;
1663
1664         c2c_fmt->dim = dim;
1665
1666         fmt = &c2c_fmt->fmt;
1667         INIT_LIST_HEAD(&fmt->list);
1668         INIT_LIST_HEAD(&fmt->sort_list);
1669
1670         fmt->cmp        = dim->se ? c2c_se_cmp   : dim->cmp;
1671         fmt->sort       = dim->se ? c2c_se_cmp   : dim->cmp;
1672         fmt->color      = dim->se ? NULL         : dim->color;
1673         fmt->entry      = dim->se ? c2c_se_entry : dim->entry;
1674         fmt->header     = c2c_header;
1675         fmt->width      = c2c_width;
1676         fmt->collapse   = dim->se ? c2c_se_collapse : dim->cmp;
1677         fmt->equal      = fmt_equal;
1678         fmt->free       = fmt_free;
1679
1680         return c2c_fmt;
1681 }
1682
1683 static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
1684 {
1685         struct c2c_fmt *c2c_fmt = get_format(name);
1686
1687         if (!c2c_fmt) {
1688                 reset_dimensions();
1689                 return output_field_add(hpp_list, name);
1690         }
1691
1692         perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
1693         return 0;
1694 }
1695
1696 static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
1697 {
1698         struct c2c_fmt *c2c_fmt = get_format(name);
1699         struct c2c_dimension *dim;
1700
1701         if (!c2c_fmt) {
1702                 reset_dimensions();
1703                 return sort_dimension__add(hpp_list, name, NULL, 0);
1704         }
1705
1706         dim = c2c_fmt->dim;
1707         if (dim == &dim_dso)
1708                 hpp_list->dso = 1;
1709
1710         perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
1711         return 0;
1712 }
1713
1714 #define PARSE_LIST(_list, _fn)                                                  \
1715         do {                                                                    \
1716                 char *tmp, *tok;                                                \
1717                 ret = 0;                                                        \
1718                                                                                 \
1719                 if (!_list)                                                     \
1720                         break;                                                  \
1721                                                                                 \
1722                 for (tok = strtok_r((char *)_list, ", ", &tmp);                 \
1723                                 tok; tok = strtok_r(NULL, ", ", &tmp)) {        \
1724                         ret = _fn(hpp_list, tok);                               \
1725                         if (ret == -EINVAL) {                                   \
1726                                 pr_err("Invalid --fields key: `%s'", tok);      \
1727                                 break;                                          \
1728                         } else if (ret == -ESRCH) {                             \
1729                                 pr_err("Unknown --fields key: `%s'", tok);      \
1730                                 break;                                          \
1731                         }                                                       \
1732                 }                                                               \
1733         } while (0)
1734
1735 static int hpp_list__parse(struct perf_hpp_list *hpp_list,
1736                            const char *output_,
1737                            const char *sort_)
1738 {
1739         char *output = output_ ? strdup(output_) : NULL;
1740         char *sort   = sort_   ? strdup(sort_) : NULL;
1741         int ret;
1742
1743         PARSE_LIST(output, c2c_hists__init_output);
1744         PARSE_LIST(sort,   c2c_hists__init_sort);
1745
1746         /* copy sort keys to output fields */
1747         perf_hpp__setup_output_field(hpp_list);
1748
1749         /*
1750          * We dont need other sorting keys other than those
1751          * we already specified. It also really slows down
1752          * the processing a lot with big number of output
1753          * fields, so switching this off for c2c.
1754          */
1755
1756 #if 0
1757         /* and then copy output fields to sort keys */
1758         perf_hpp__append_sort_keys(&hists->list);
1759 #endif
1760
1761         free(output);
1762         free(sort);
1763         return ret;
1764 }
1765
1766 static int c2c_hists__init(struct c2c_hists *hists,
1767                            const char *sort,
1768                            int nr_header_lines)
1769 {
1770         __hists__init(&hists->hists, &hists->list);
1771
1772         /*
1773          * Initialize only with sort fields, we need to resort
1774          * later anyway, and that's where we add output fields
1775          * as well.
1776          */
1777         perf_hpp_list__init(&hists->list);
1778
1779         /* Overload number of header lines.*/
1780         hists->list.nr_header_lines = nr_header_lines;
1781
1782         return hpp_list__parse(&hists->list, NULL, sort);
1783 }
1784
1785 static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
1786                              const char *output,
1787                              const char *sort)
1788 {
1789         perf_hpp__reset_output_field(&c2c_hists->list);
1790         return hpp_list__parse(&c2c_hists->list, output, sort);
1791 }
1792
1793 #define DISPLAY_LINE_LIMIT  0.0005
1794
1795 static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
1796 {
1797         struct c2c_hist_entry *c2c_he;
1798         double ld_dist;
1799
1800         if (c2c.show_all)
1801                 return true;
1802
1803         c2c_he = container_of(he, struct c2c_hist_entry, he);
1804
1805 #define FILTER_HITM(__h)                                                \
1806         if (stats->__h) {                                               \
1807                 ld_dist = ((double)c2c_he->stats.__h / stats->__h);     \
1808                 if (ld_dist < DISPLAY_LINE_LIMIT)                       \
1809                         he->filtered = HIST_FILTER__C2C;                \
1810         } else {                                                        \
1811                 he->filtered = HIST_FILTER__C2C;                        \
1812         }
1813
1814         switch (c2c.display) {
1815         case DISPLAY_LCL:
1816                 FILTER_HITM(lcl_hitm);
1817                 break;
1818         case DISPLAY_RMT:
1819                 FILTER_HITM(rmt_hitm);
1820                 break;
1821         case DISPLAY_TOT:
1822                 FILTER_HITM(tot_hitm);
1823         default:
1824                 break;
1825         };
1826
1827 #undef FILTER_HITM
1828
1829         return he->filtered == 0;
1830 }
1831
1832 static inline int valid_hitm_or_store(struct hist_entry *he)
1833 {
1834         struct c2c_hist_entry *c2c_he;
1835         bool has_hitm;
1836
1837         c2c_he = container_of(he, struct c2c_hist_entry, he);
1838         has_hitm = c2c.display == DISPLAY_TOT ? c2c_he->stats.tot_hitm :
1839                    c2c.display == DISPLAY_LCL ? c2c_he->stats.lcl_hitm :
1840                                                 c2c_he->stats.rmt_hitm;
1841         return has_hitm || c2c_he->stats.store;
1842 }
1843
1844 static void calc_width(struct hist_entry *he)
1845 {
1846         struct c2c_hists *c2c_hists;
1847
1848         c2c_hists = container_of(he->hists, struct c2c_hists, hists);
1849         hists__calc_col_len(&c2c_hists->hists, he);
1850 }
1851
1852 static int filter_cb(struct hist_entry *he)
1853 {
1854         if (c2c.show_src && !he->srcline)
1855                 he->srcline = hist_entry__get_srcline(he);
1856
1857         calc_width(he);
1858
1859         if (!valid_hitm_or_store(he))
1860                 he->filtered = HIST_FILTER__C2C;
1861
1862         return 0;
1863 }
1864
1865 static int resort_cl_cb(struct hist_entry *he)
1866 {
1867         struct c2c_hist_entry *c2c_he;
1868         struct c2c_hists *c2c_hists;
1869         bool display = he__display(he, &c2c.hitm_stats);
1870
1871         c2c_he = container_of(he, struct c2c_hist_entry, he);
1872         c2c_hists = c2c_he->hists;
1873
1874         calc_width(he);
1875
1876         if (display && c2c_hists) {
1877                 static unsigned int idx;
1878
1879                 c2c_he->cacheline_idx = idx++;
1880
1881                 c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);
1882
1883                 hists__collapse_resort(&c2c_hists->hists, NULL);
1884                 hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
1885         }
1886
1887         return 0;
1888 }
1889
1890 static void setup_nodes_header(void)
1891 {
1892         dim_node.header = header_node[c2c.node_info];
1893 }
1894
1895 static int setup_nodes(struct perf_session *session)
1896 {
1897         struct numa_node *n;
1898         unsigned long **nodes;
1899         int node, cpu;
1900         int *cpu2node;
1901
1902         if (c2c.node_info > 2)
1903                 c2c.node_info = 2;
1904
1905         c2c.nodes_cnt = session->header.env.nr_numa_nodes;
1906         c2c.cpus_cnt  = session->header.env.nr_cpus_online;
1907
1908         n = session->header.env.numa_nodes;
1909         if (!n)
1910                 return -EINVAL;
1911
1912         nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt);
1913         if (!nodes)
1914                 return -ENOMEM;
1915
1916         c2c.nodes = nodes;
1917
1918         cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt);
1919         if (!cpu2node)
1920                 return -ENOMEM;
1921
1922         for (cpu = 0; cpu < c2c.cpus_cnt; cpu++)
1923                 cpu2node[cpu] = -1;
1924
1925         c2c.cpu2node = cpu2node;
1926
1927         for (node = 0; node < c2c.nodes_cnt; node++) {
1928                 struct cpu_map *map = n[node].map;
1929                 unsigned long *set;
1930
1931                 set = bitmap_alloc(c2c.cpus_cnt);
1932                 if (!set)
1933                         return -ENOMEM;
1934
1935                 for (cpu = 0; cpu < map->nr; cpu++) {
1936                         set_bit(map->map[cpu], set);
1937
1938                         if (WARN_ONCE(cpu2node[map->map[cpu]] != -1, "node/cpu topology bug"))
1939                                 return -EINVAL;
1940
1941                         cpu2node[map->map[cpu]] = node;
1942                 }
1943
1944                 nodes[node] = set;
1945         }
1946
1947         setup_nodes_header();
1948         return 0;
1949 }
1950
1951 #define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)
1952
1953 static int resort_hitm_cb(struct hist_entry *he)
1954 {
1955         struct c2c_hist_entry *c2c_he;
1956         c2c_he = container_of(he, struct c2c_hist_entry, he);
1957
1958         if (HAS_HITMS(c2c_he)) {
1959                 c2c.shared_clines++;
1960                 c2c_add_stats(&c2c.hitm_stats, &c2c_he->stats);
1961         }
1962
1963         return 0;
1964 }
1965
1966 static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
1967 {
1968         struct rb_node *next = rb_first(&hists->entries);
1969         int ret = 0;
1970
1971         while (next) {
1972                 struct hist_entry *he;
1973
1974                 he = rb_entry(next, struct hist_entry, rb_node);
1975                 ret = cb(he);
1976                 if (ret)
1977                         break;
1978                 next = rb_next(&he->rb_node);
1979         }
1980
1981         return ret;
1982 }
1983
1984 static void print_c2c__display_stats(FILE *out)
1985 {
1986         int llc_misses;
1987         struct c2c_stats *stats = &c2c.hists.stats;
1988
1989         llc_misses = stats->lcl_dram +
1990                      stats->rmt_dram +
1991                      stats->rmt_hit +
1992                      stats->rmt_hitm;
1993
1994         fprintf(out, "=================================================\n");
1995         fprintf(out, "            Trace Event Information              \n");
1996         fprintf(out, "=================================================\n");
1997         fprintf(out, "  Total records                     : %10d\n", stats->nr_entries);
1998         fprintf(out, "  Locked Load/Store Operations      : %10d\n", stats->locks);
1999         fprintf(out, "  Load Operations                   : %10d\n", stats->load);
2000         fprintf(out, "  Loads - uncacheable               : %10d\n", stats->ld_uncache);
2001         fprintf(out, "  Loads - IO                        : %10d\n", stats->ld_io);
2002         fprintf(out, "  Loads - Miss                      : %10d\n", stats->ld_miss);
2003         fprintf(out, "  Loads - no mapping                : %10d\n", stats->ld_noadrs);
2004         fprintf(out, "  Load Fill Buffer Hit              : %10d\n", stats->ld_fbhit);
2005         fprintf(out, "  Load L1D hit                      : %10d\n", stats->ld_l1hit);
2006         fprintf(out, "  Load L2D hit                      : %10d\n", stats->ld_l2hit);
2007         fprintf(out, "  Load LLC hit                      : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2008         fprintf(out, "  Load Local HITM                   : %10d\n", stats->lcl_hitm);
2009         fprintf(out, "  Load Remote HITM                  : %10d\n", stats->rmt_hitm);
2010         fprintf(out, "  Load Remote HIT                   : %10d\n", stats->rmt_hit);
2011         fprintf(out, "  Load Local DRAM                   : %10d\n", stats->lcl_dram);
2012         fprintf(out, "  Load Remote DRAM                  : %10d\n", stats->rmt_dram);
2013         fprintf(out, "  Load MESI State Exclusive         : %10d\n", stats->ld_excl);
2014         fprintf(out, "  Load MESI State Shared            : %10d\n", stats->ld_shared);
2015         fprintf(out, "  Load LLC Misses                   : %10d\n", llc_misses);
2016         fprintf(out, "  LLC Misses to Local DRAM          : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
2017         fprintf(out, "  LLC Misses to Remote DRAM         : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
2018         fprintf(out, "  LLC Misses to Remote cache (HIT)  : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
2019         fprintf(out, "  LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.);
2020         fprintf(out, "  Store Operations                  : %10d\n", stats->store);
2021         fprintf(out, "  Store - uncacheable               : %10d\n", stats->st_uncache);
2022         fprintf(out, "  Store - no mapping                : %10d\n", stats->st_noadrs);
2023         fprintf(out, "  Store L1D Hit                     : %10d\n", stats->st_l1hit);
2024         fprintf(out, "  Store L1D Miss                    : %10d\n", stats->st_l1miss);
2025         fprintf(out, "  No Page Map Rejects               : %10d\n", stats->nomap);
2026         fprintf(out, "  Unable to parse data source       : %10d\n", stats->noparse);
2027 }
2028
2029 static void print_shared_cacheline_info(FILE *out)
2030 {
2031         struct c2c_stats *stats = &c2c.hitm_stats;
2032         int hitm_cnt = stats->lcl_hitm + stats->rmt_hitm;
2033
2034         fprintf(out, "=================================================\n");
2035         fprintf(out, "    Global Shared Cache Line Event Information   \n");
2036         fprintf(out, "=================================================\n");
2037         fprintf(out, "  Total Shared Cache Lines          : %10d\n", c2c.shared_clines);
2038         fprintf(out, "  Load HITs on shared lines         : %10d\n", stats->load);
2039         fprintf(out, "  Fill Buffer Hits on shared lines  : %10d\n", stats->ld_fbhit);
2040         fprintf(out, "  L1D hits on shared lines          : %10d\n", stats->ld_l1hit);
2041         fprintf(out, "  L2D hits on shared lines          : %10d\n", stats->ld_l2hit);
2042         fprintf(out, "  LLC hits on shared lines          : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2043         fprintf(out, "  Locked Access on shared lines     : %10d\n", stats->locks);
2044         fprintf(out, "  Store HITs on shared lines        : %10d\n", stats->store);
2045         fprintf(out, "  Store L1D hits on shared lines    : %10d\n", stats->st_l1hit);
2046         fprintf(out, "  Total Merged records              : %10d\n", hitm_cnt + stats->store);
2047 }
2048
2049 static void print_cacheline(struct c2c_hists *c2c_hists,
2050                             struct hist_entry *he_cl,
2051                             struct perf_hpp_list *hpp_list,
2052                             FILE *out)
2053 {
2054         char bf[1000];
2055         struct perf_hpp hpp = {
2056                 .buf            = bf,
2057                 .size           = 1000,
2058         };
2059         static bool once;
2060
2061         if (!once) {
2062                 hists__fprintf_headers(&c2c_hists->hists, out);
2063                 once = true;
2064         } else {
2065                 fprintf(out, "\n");
2066         }
2067
2068         fprintf(out, "  -------------------------------------------------------------\n");
2069         __hist_entry__snprintf(he_cl, &hpp, hpp_list);
2070         fprintf(out, "%s\n", bf);
2071         fprintf(out, "  -------------------------------------------------------------\n");
2072
2073         hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, true);
2074 }
2075
2076 static void print_pareto(FILE *out)
2077 {
2078         struct perf_hpp_list hpp_list;
2079         struct rb_node *nd;
2080         int ret;
2081
2082         perf_hpp_list__init(&hpp_list);
2083         ret = hpp_list__parse(&hpp_list,
2084                                 "cl_num,"
2085                                 "cl_rmt_hitm,"
2086                                 "cl_lcl_hitm,"
2087                                 "cl_stores_l1hit,"
2088                                 "cl_stores_l1miss,"
2089                                 "dcacheline",
2090                                 NULL);
2091
2092         if (WARN_ONCE(ret, "failed to setup sort entries\n"))
2093                 return;
2094
2095         nd = rb_first(&c2c.hists.hists.entries);
2096
2097         for (; nd; nd = rb_next(nd)) {
2098                 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2099                 struct c2c_hist_entry *c2c_he;
2100
2101                 if (he->filtered)
2102                         continue;
2103
2104                 c2c_he = container_of(he, struct c2c_hist_entry, he);
2105                 print_cacheline(c2c_he->hists, he, &hpp_list, out);
2106         }
2107 }
2108
2109 static void print_c2c_info(FILE *out, struct perf_session *session)
2110 {
2111         struct perf_evlist *evlist = session->evlist;
2112         struct perf_evsel *evsel;
2113         bool first = true;
2114
2115         fprintf(out, "=================================================\n");
2116         fprintf(out, "                 c2c details                     \n");
2117         fprintf(out, "=================================================\n");
2118
2119         evlist__for_each_entry(evlist, evsel) {
2120                 fprintf(out, "%-36s: %s\n", first ? "  Events" : "",
2121                         perf_evsel__name(evsel));
2122                 first = false;
2123         }
2124         fprintf(out, "  Cachelines sort on                : %s HITMs\n",
2125                 display_str[c2c.display]);
2126         fprintf(out, "  Cacheline data grouping           : %s\n", c2c.cl_sort);
2127 }
2128
2129 static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
2130 {
2131         setup_pager();
2132
2133         print_c2c__display_stats(out);
2134         fprintf(out, "\n");
2135         print_shared_cacheline_info(out);
2136         fprintf(out, "\n");
2137         print_c2c_info(out, session);
2138
2139         if (c2c.stats_only)
2140                 return;
2141
2142         fprintf(out, "\n");
2143         fprintf(out, "=================================================\n");
2144         fprintf(out, "           Shared Data Cache Line Table          \n");
2145         fprintf(out, "=================================================\n");
2146         fprintf(out, "#\n");
2147
2148         hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, false);
2149
2150         fprintf(out, "\n");
2151         fprintf(out, "=================================================\n");
2152         fprintf(out, "      Shared Cache Line Distribution Pareto      \n");
2153         fprintf(out, "=================================================\n");
2154         fprintf(out, "#\n");
2155
2156         print_pareto(out);
2157 }
2158
2159 #ifdef HAVE_SLANG_SUPPORT
2160 static void c2c_browser__update_nr_entries(struct hist_browser *hb)
2161 {
2162         u64 nr_entries = 0;
2163         struct rb_node *nd = rb_first(&hb->hists->entries);
2164
2165         while (nd) {
2166                 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2167
2168                 if (!he->filtered)
2169                         nr_entries++;
2170
2171                 nd = rb_next(nd);
2172         }
2173
2174         hb->nr_non_filtered_entries = nr_entries;
2175 }
2176
2177 struct c2c_cacheline_browser {
2178         struct hist_browser      hb;
2179         struct hist_entry       *he;
2180 };
2181
2182 static int
2183 perf_c2c_cacheline_browser__title(struct hist_browser *browser,
2184                                   char *bf, size_t size)
2185 {
2186         struct c2c_cacheline_browser *cl_browser;
2187         struct hist_entry *he;
2188         uint64_t addr = 0;
2189
2190         cl_browser = container_of(browser, struct c2c_cacheline_browser, hb);
2191         he = cl_browser->he;
2192
2193         if (he->mem_info)
2194                 addr = cl_address(he->mem_info->daddr.addr);
2195
2196         scnprintf(bf, size, "Cacheline 0x%lx", addr);
2197         return 0;
2198 }
2199
2200 static struct c2c_cacheline_browser*
2201 c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he)
2202 {
2203         struct c2c_cacheline_browser *browser;
2204
2205         browser = zalloc(sizeof(*browser));
2206         if (browser) {
2207                 hist_browser__init(&browser->hb, hists);
2208                 browser->hb.c2c_filter  = true;
2209                 browser->hb.title       = perf_c2c_cacheline_browser__title;
2210                 browser->he             = he;
2211         }
2212
2213         return browser;
2214 }
2215
2216 static int perf_c2c__browse_cacheline(struct hist_entry *he)
2217 {
2218         struct c2c_hist_entry *c2c_he;
2219         struct c2c_hists *c2c_hists;
2220         struct c2c_cacheline_browser *cl_browser;
2221         struct hist_browser *browser;
2222         int key = -1;
2223         const char help[] =
2224         " ENTER         Toggle callchains (if present) \n"
2225         " n             Toggle Node details info \n"
2226         " s             Toggle full length of symbol and source line columns \n"
2227         " q             Return back to cacheline list \n";
2228
2229         /* Display compact version first. */
2230         c2c.symbol_full = false;
2231
2232         c2c_he = container_of(he, struct c2c_hist_entry, he);
2233         c2c_hists = c2c_he->hists;
2234
2235         cl_browser = c2c_cacheline_browser__new(&c2c_hists->hists, he);
2236         if (cl_browser == NULL)
2237                 return -1;
2238
2239         browser = &cl_browser->hb;
2240
2241         /* reset abort key so that it can get Ctrl-C as a key */
2242         SLang_reset_tty();
2243         SLang_init_tty(0, 0, 0);
2244
2245         c2c_browser__update_nr_entries(browser);
2246
2247         while (1) {
2248                 key = hist_browser__run(browser, "? - help", true);
2249
2250                 switch (key) {
2251                 case 's':
2252                         c2c.symbol_full = !c2c.symbol_full;
2253                         break;
2254                 case 'n':
2255                         c2c.node_info = (c2c.node_info + 1) % 3;
2256                         setup_nodes_header();
2257                         break;
2258                 case 'q':
2259                         goto out;
2260                 case '?':
2261                         ui_browser__help_window(&browser->b, help);
2262                         break;
2263                 default:
2264                         break;
2265                 }
2266         }
2267
2268 out:
2269         free(cl_browser);
2270         return 0;
2271 }
2272
2273 static int perf_c2c_browser__title(struct hist_browser *browser,
2274                                    char *bf, size_t size)
2275 {
2276         scnprintf(bf, size,
2277                   "Shared Data Cache Line Table     "
2278                   "(%lu entries, sorted on %s HITMs)",
2279                   browser->nr_non_filtered_entries,
2280                   display_str[c2c.display]);
2281         return 0;
2282 }
2283
2284 static struct hist_browser*
2285 perf_c2c_browser__new(struct hists *hists)
2286 {
2287         struct hist_browser *browser = hist_browser__new(hists);
2288
2289         if (browser) {
2290                 browser->title = perf_c2c_browser__title;
2291                 browser->c2c_filter = true;
2292         }
2293
2294         return browser;
2295 }
2296
2297 static int perf_c2c__hists_browse(struct hists *hists)
2298 {
2299         struct hist_browser *browser;
2300         int key = -1;
2301         const char help[] =
2302         " d             Display cacheline details \n"
2303         " ENTER         Toggle callchains (if present) \n"
2304         " q             Quit \n";
2305
2306         browser = perf_c2c_browser__new(hists);
2307         if (browser == NULL)
2308                 return -1;
2309
2310         /* reset abort key so that it can get Ctrl-C as a key */
2311         SLang_reset_tty();
2312         SLang_init_tty(0, 0, 0);
2313
2314         c2c_browser__update_nr_entries(browser);
2315
2316         while (1) {
2317                 key = hist_browser__run(browser, "? - help", true);
2318
2319                 switch (key) {
2320                 case 'q':
2321                         goto out;
2322                 case 'd':
2323                         perf_c2c__browse_cacheline(browser->he_selection);
2324                         break;
2325                 case '?':
2326                         ui_browser__help_window(&browser->b, help);
2327                         break;
2328                 default:
2329                         break;
2330                 }
2331         }
2332
2333 out:
2334         hist_browser__delete(browser);
2335         return 0;
2336 }
2337
2338 static void perf_c2c_display(struct perf_session *session)
2339 {
2340         if (use_browser == 0)
2341                 perf_c2c__hists_fprintf(stdout, session);
2342         else
2343                 perf_c2c__hists_browse(&c2c.hists.hists);
2344 }
2345 #else
2346 static void perf_c2c_display(struct perf_session *session)
2347 {
2348         use_browser = 0;
2349         perf_c2c__hists_fprintf(stdout, session);
2350 }
2351 #endif /* HAVE_SLANG_SUPPORT */
2352
2353 static void ui_quirks(void)
2354 {
2355         if (!c2c.use_stdio) {
2356                 dim_offset.width  = 5;
2357                 dim_offset.header = header_offset_tui;
2358         }
2359
2360         dim_percent_hitm.header = percent_hitm_header[c2c.display];
2361 }
2362
2363 #define CALLCHAIN_DEFAULT_OPT  "graph,0.5,caller,function,percent"
2364
2365 const char callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
2366                                 CALLCHAIN_REPORT_HELP
2367                                 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
2368
2369 static int
2370 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
2371 {
2372         struct callchain_param *callchain = opt->value;
2373
2374         callchain->enabled = !unset;
2375         /*
2376          * --no-call-graph
2377          */
2378         if (unset) {
2379                 symbol_conf.use_callchain = false;
2380                 callchain->mode = CHAIN_NONE;
2381                 return 0;
2382         }
2383
2384         return parse_callchain_report_opt(arg);
2385 }
2386
2387 static int setup_callchain(struct perf_evlist *evlist)
2388 {
2389         u64 sample_type = perf_evlist__combined_sample_type(evlist);
2390         enum perf_call_graph_mode mode = CALLCHAIN_NONE;
2391
2392         if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2393             (sample_type & PERF_SAMPLE_STACK_USER)) {
2394                 mode = CALLCHAIN_DWARF;
2395                 dwarf_callchain_users = true;
2396         } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2397                 mode = CALLCHAIN_LBR;
2398         else if (sample_type & PERF_SAMPLE_CALLCHAIN)
2399                 mode = CALLCHAIN_FP;
2400
2401         if (!callchain_param.enabled &&
2402             callchain_param.mode != CHAIN_NONE &&
2403             mode != CALLCHAIN_NONE) {
2404                 symbol_conf.use_callchain = true;
2405                 if (callchain_register_param(&callchain_param) < 0) {
2406                         ui__error("Can't register callchain params.\n");
2407                         return -EINVAL;
2408                 }
2409         }
2410
2411         callchain_param.record_mode = mode;
2412         callchain_param.min_percent = 0;
2413         return 0;
2414 }
2415
2416 static int setup_display(const char *str)
2417 {
2418         const char *display = str ?: "tot";
2419
2420         if (!strcmp(display, "tot"))
2421                 c2c.display = DISPLAY_TOT;
2422         else if (!strcmp(display, "rmt"))
2423                 c2c.display = DISPLAY_RMT;
2424         else if (!strcmp(display, "lcl"))
2425                 c2c.display = DISPLAY_LCL;
2426         else {
2427                 pr_err("failed: unknown display type: %s\n", str);
2428                 return -1;
2429         }
2430
2431         return 0;
2432 }
2433
2434 #define for_each_token(__tok, __buf, __sep, __tmp)              \
2435         for (__tok = strtok_r(__buf, __sep, &__tmp); __tok;     \
2436              __tok = strtok_r(NULL,  __sep, &__tmp))
2437
2438 static int build_cl_output(char *cl_sort, bool no_source)
2439 {
2440         char *tok, *tmp, *buf = strdup(cl_sort);
2441         bool add_pid   = false;
2442         bool add_tid   = false;
2443         bool add_iaddr = false;
2444         bool add_sym   = false;
2445         bool add_dso   = false;
2446         bool add_src   = false;
2447
2448         if (!buf)
2449                 return -ENOMEM;
2450
2451         for_each_token(tok, buf, ",", tmp) {
2452                 if (!strcmp(tok, "tid")) {
2453                         add_tid = true;
2454                 } else if (!strcmp(tok, "pid")) {
2455                         add_pid = true;
2456                 } else if (!strcmp(tok, "iaddr")) {
2457                         add_iaddr = true;
2458                         add_sym   = true;
2459                         add_dso   = true;
2460                         add_src   = no_source ? false : true;
2461                 } else if (!strcmp(tok, "dso")) {
2462                         add_dso = true;
2463                 } else if (strcmp(tok, "offset")) {
2464                         pr_err("unrecognized sort token: %s\n", tok);
2465                         return -EINVAL;
2466                 }
2467         }
2468
2469         if (asprintf(&c2c.cl_output,
2470                 "%s%s%s%s%s%s%s%s%s%s",
2471                 c2c.use_stdio ? "cl_num_empty," : "",
2472                 "percent_rmt_hitm,"
2473                 "percent_lcl_hitm,"
2474                 "percent_stores_l1hit,"
2475                 "percent_stores_l1miss,"
2476                 "offset,",
2477                 add_pid   ? "pid," : "",
2478                 add_tid   ? "tid," : "",
2479                 add_iaddr ? "iaddr," : "",
2480                 "mean_rmt,"
2481                 "mean_lcl,"
2482                 "mean_load,"
2483                 "tot_recs,"
2484                 "cpucnt,",
2485                 add_sym ? "symbol," : "",
2486                 add_dso ? "dso," : "",
2487                 add_src ? "cl_srcline," : "",
2488                 "node") < 0)
2489                 return -ENOMEM;
2490
2491         c2c.show_src = add_src;
2492
2493         free(buf);
2494         return 0;
2495 }
2496
2497 static int setup_coalesce(const char *coalesce, bool no_source)
2498 {
2499         const char *c = coalesce ?: coalesce_default;
2500
2501         if (asprintf(&c2c.cl_sort, "offset,%s", c) < 0)
2502                 return -ENOMEM;
2503
2504         if (build_cl_output(c2c.cl_sort, no_source))
2505                 return -1;
2506
2507         if (asprintf(&c2c.cl_resort, "offset,%s",
2508                      c2c.display == DISPLAY_TOT ?
2509                      "tot_hitm" :
2510                      c2c.display == DISPLAY_RMT ?
2511                      "rmt_hitm,lcl_hitm" :
2512                      "lcl_hitm,rmt_hitm") < 0)
2513                 return -ENOMEM;
2514
2515         pr_debug("coalesce sort   fields: %s\n", c2c.cl_sort);
2516         pr_debug("coalesce resort fields: %s\n", c2c.cl_resort);
2517         pr_debug("coalesce output fields: %s\n", c2c.cl_output);
2518         return 0;
2519 }
2520
2521 static int perf_c2c__report(int argc, const char **argv)
2522 {
2523         struct perf_session *session;
2524         struct ui_progress prog;
2525         struct perf_data data = {
2526                 .mode = PERF_DATA_MODE_READ,
2527         };
2528         char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
2529         const char *display = NULL;
2530         const char *coalesce = NULL;
2531         bool no_source = false;
2532         const struct option options[] = {
2533         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
2534                    "file", "vmlinux pathname"),
2535         OPT_STRING('i', "input", &input_name, "file",
2536                    "the input file to process"),
2537         OPT_INCR('N', "node-info", &c2c.node_info,
2538                  "show extra node info in report (repeat for more info)"),
2539 #ifdef HAVE_SLANG_SUPPORT
2540         OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
2541 #endif
2542         OPT_BOOLEAN(0, "stats", &c2c.stats_only,
2543                     "Display only statistic tables (implies --stdio)"),
2544         OPT_BOOLEAN(0, "full-symbols", &c2c.symbol_full,
2545                     "Display full length of symbols"),
2546         OPT_BOOLEAN(0, "no-source", &no_source,
2547                     "Do not display Source Line column"),
2548         OPT_BOOLEAN(0, "show-all", &c2c.show_all,
2549                     "Show all captured HITM lines."),
2550         OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
2551                              "print_type,threshold[,print_limit],order,sort_key[,branch],value",
2552                              callchain_help, &parse_callchain_opt,
2553                              callchain_default_opt),
2554         OPT_STRING('d', "display", &display, "Switch HITM output type", "lcl,rmt"),
2555         OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
2556                    "coalesce fields: pid,tid,iaddr,dso"),
2557         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
2558         OPT_PARENT(c2c_options),
2559         OPT_END()
2560         };
2561         int err = 0;
2562
2563         argc = parse_options(argc, argv, options, report_c2c_usage,
2564                              PARSE_OPT_STOP_AT_NON_OPTION);
2565         if (argc)
2566                 usage_with_options(report_c2c_usage, options);
2567
2568         if (c2c.stats_only)
2569                 c2c.use_stdio = true;
2570
2571         if (!input_name || !strlen(input_name))
2572                 input_name = "perf.data";
2573
2574         data.file.path = input_name;
2575         data.force     = symbol_conf.force;
2576
2577         err = setup_display(display);
2578         if (err)
2579                 goto out;
2580
2581         err = setup_coalesce(coalesce, no_source);
2582         if (err) {
2583                 pr_debug("Failed to initialize hists\n");
2584                 goto out;
2585         }
2586
2587         err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
2588         if (err) {
2589                 pr_debug("Failed to initialize hists\n");
2590                 goto out;
2591         }
2592
2593         session = perf_session__new(&data, 0, &c2c.tool);
2594         if (session == NULL) {
2595                 pr_debug("No memory for session\n");
2596                 goto out;
2597         }
2598
2599         err = setup_nodes(session);
2600         if (err) {
2601                 pr_err("Failed setup nodes\n");
2602                 goto out;
2603         }
2604
2605         err = setup_callchain(session->evlist);
2606         if (err)
2607                 goto out_session;
2608
2609         if (symbol__init(&session->header.env) < 0)
2610                 goto out_session;
2611
2612         /* No pipe support at the moment. */
2613         if (perf_data__is_pipe(session->data)) {
2614                 pr_debug("No pipe support at the moment.\n");
2615                 goto out_session;
2616         }
2617
2618         if (c2c.use_stdio)
2619                 use_browser = 0;
2620         else
2621                 use_browser = 1;
2622
2623         setup_browser(false);
2624
2625         err = perf_session__process_events(session);
2626         if (err) {
2627                 pr_err("failed to process sample\n");
2628                 goto out_session;
2629         }
2630
2631         c2c_hists__reinit(&c2c.hists,
2632                         "cl_idx,"
2633                         "dcacheline,"
2634                         "tot_recs,"
2635                         "percent_hitm,"
2636                         "tot_hitm,lcl_hitm,rmt_hitm,"
2637                         "stores,stores_l1hit,stores_l1miss,"
2638                         "dram_lcl,dram_rmt,"
2639                         "ld_llcmiss,"
2640                         "tot_loads,"
2641                         "ld_fbhit,ld_l1hit,ld_l2hit,"
2642                         "ld_lclhit,ld_rmthit",
2643                         c2c.display == DISPLAY_TOT ? "tot_hitm" :
2644                         c2c.display == DISPLAY_LCL ? "lcl_hitm" : "rmt_hitm"
2645                         );
2646
2647         ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
2648
2649         hists__collapse_resort(&c2c.hists.hists, NULL);
2650         hists__output_resort_cb(&c2c.hists.hists, &prog, resort_hitm_cb);
2651         hists__iterate_cb(&c2c.hists.hists, resort_cl_cb);
2652
2653         ui_progress__finish();
2654
2655         ui_quirks();
2656
2657         perf_c2c_display(session);
2658
2659 out_session:
2660         perf_session__delete(session);
2661 out:
2662         return err;
2663 }
2664
2665 static int parse_record_events(const struct option *opt,
2666                                const char *str, int unset __maybe_unused)
2667 {
2668         bool *event_set = (bool *) opt->value;
2669
2670         *event_set = true;
2671         return perf_mem_events__parse(str);
2672 }
2673
2674
2675 static const char * const __usage_record[] = {
2676         "perf c2c record [<options>] [<command>]",
2677         "perf c2c record [<options>] -- <command> [<options>]",
2678         NULL
2679 };
2680
2681 static const char * const *record_mem_usage = __usage_record;
2682
2683 static int perf_c2c__record(int argc, const char **argv)
2684 {
2685         int rec_argc, i = 0, j;
2686         const char **rec_argv;
2687         int ret;
2688         bool all_user = false, all_kernel = false;
2689         bool event_set = false;
2690         struct option options[] = {
2691         OPT_CALLBACK('e', "event", &event_set, "event",
2692                      "event selector. Use 'perf mem record -e list' to list available events",
2693                      parse_record_events),
2694         OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
2695         OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
2696         OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"),
2697         OPT_PARENT(c2c_options),
2698         OPT_END()
2699         };
2700
2701         if (perf_mem_events__init()) {
2702                 pr_err("failed: memory events not supported\n");
2703                 return -1;
2704         }
2705
2706         argc = parse_options(argc, argv, options, record_mem_usage,
2707                              PARSE_OPT_KEEP_UNKNOWN);
2708
2709         rec_argc = argc + 10; /* max number of arguments */
2710         rec_argv = calloc(rec_argc + 1, sizeof(char *));
2711         if (!rec_argv)
2712                 return -1;
2713
2714         rec_argv[i++] = "record";
2715
2716         if (!event_set) {
2717                 perf_mem_events[PERF_MEM_EVENTS__LOAD].record  = true;
2718                 perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
2719         }
2720
2721         if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
2722                 rec_argv[i++] = "-W";
2723
2724         rec_argv[i++] = "-d";
2725         rec_argv[i++] = "--sample-cpu";
2726
2727         for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
2728                 if (!perf_mem_events[j].record)
2729                         continue;
2730
2731                 if (!perf_mem_events[j].supported) {
2732                         pr_err("failed: event '%s' not supported\n",
2733                                perf_mem_events[j].name);
2734                         free(rec_argv);
2735                         return -1;
2736                 }
2737
2738                 rec_argv[i++] = "-e";
2739                 rec_argv[i++] = perf_mem_events__name(j);
2740         };
2741
2742         if (all_user)
2743                 rec_argv[i++] = "--all-user";
2744
2745         if (all_kernel)
2746                 rec_argv[i++] = "--all-kernel";
2747
2748         for (j = 0; j < argc; j++, i++)
2749                 rec_argv[i] = argv[j];
2750
2751         if (verbose > 0) {
2752                 pr_debug("calling: ");
2753
2754                 j = 0;
2755
2756                 while (rec_argv[j]) {
2757                         pr_debug("%s ", rec_argv[j]);
2758                         j++;
2759                 }
2760                 pr_debug("\n");
2761         }
2762
2763         ret = cmd_record(i, rec_argv);
2764         free(rec_argv);
2765         return ret;
2766 }
2767
2768 int cmd_c2c(int argc, const char **argv)
2769 {
2770         argc = parse_options(argc, argv, c2c_options, c2c_usage,
2771                              PARSE_OPT_STOP_AT_NON_OPTION);
2772
2773         if (!argc)
2774                 usage_with_options(c2c_usage, c2c_options);
2775
2776         if (!strncmp(argv[0], "rec", 3)) {
2777                 return perf_c2c__record(argc, argv);
2778         } else if (!strncmp(argv[0], "rep", 3)) {
2779                 return perf_c2c__report(argc, argv);
2780         } else {
2781                 usage_with_options(c2c_usage, c2c_options);
2782         }
2783
2784         return 0;
2785 }