1 // SPDX-License-Identifier: GPL-2.0
9 #include <subcmd/parse-options.h>
10 #include "util/auxtrace.h"
11 #include "util/trace-event.h"
12 #include "util/tool.h"
13 #include "util/session.h"
14 #include "util/data.h"
15 #include "util/map_symbol.h"
16 #include "util/mem-events.h"
17 #include "util/debug.h"
20 #include "util/symbol.h"
22 #include "util/pmu-hybrid.h"
23 #include "util/string2.h"
24 #include <linux/err.h>
26 #define MEM_OPERATION_LOAD 0x1
27 #define MEM_OPERATION_STORE 0x2
30 struct perf_tool tool;
31 char const *input_name;
39 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
42 static int parse_record_events(const struct option *opt,
43 const char *str, int unset __maybe_unused)
45 struct perf_mem *mem = *(struct perf_mem **)opt->value;
47 if (!strcmp(str, "list")) {
48 perf_mem_events__list();
51 if (perf_mem_events__parse(str))
58 static const char * const __usage[] = {
59 "perf mem record [<options>] [<command>]",
60 "perf mem record [<options>] -- <command> [<options>]",
64 static const char * const *record_mem_usage = __usage;
66 static int __cmd_record(int argc, const char **argv, struct perf_mem *mem)
68 int rec_argc, i = 0, j, tmp_nr = 0;
70 const char **rec_argv;
73 bool all_user = false, all_kernel = false;
74 struct perf_mem_event *e;
75 struct option options[] = {
76 OPT_CALLBACK('e', "event", &mem, "event",
77 "event selector. use 'perf mem record -e list' to list available events",
79 OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"),
80 OPT_INCR('v', "verbose", &verbose,
81 "be more verbose (show counter open errors, etc)"),
82 OPT_BOOLEAN('U', "all-user", &all_user, "collect only user level data"),
83 OPT_BOOLEAN('K', "all-kernel", &all_kernel, "collect only kernel level data"),
87 if (perf_mem_events__init()) {
88 pr_err("failed: memory events not supported\n");
92 argc = parse_options(argc, argv, options, record_mem_usage,
93 PARSE_OPT_KEEP_UNKNOWN);
95 if (!perf_pmu__has_hybrid())
96 rec_argc = argc + 9; /* max number of arguments */
98 rec_argc = argc + 9 * perf_pmu__hybrid_pmu_num();
100 rec_argv = calloc(rec_argc + 1, sizeof(char *));
105 * Save the allocated event name strings.
107 rec_tmp = calloc(rec_argc + 1, sizeof(char *));
113 rec_argv[i++] = "record";
115 e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD_STORE);
118 * The load and store operations are required, use the event
119 * PERF_MEM_EVENTS__LOAD_STORE if it is supported.
122 (mem->operation & MEM_OPERATION_LOAD) &&
123 (mem->operation & MEM_OPERATION_STORE)) {
126 if (mem->operation & MEM_OPERATION_LOAD) {
127 e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD);
131 if (mem->operation & MEM_OPERATION_STORE) {
132 e = perf_mem_events__ptr(PERF_MEM_EVENTS__STORE);
137 e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD);
139 rec_argv[i++] = "-W";
141 rec_argv[i++] = "-d";
144 rec_argv[i++] = "--phys-data";
146 if (mem->data_page_size)
147 rec_argv[i++] = "--data-page-size";
150 ret = perf_mem_events__record_args(rec_argv, &i, rec_tmp, &tmp_nr);
156 rec_argv[i++] = "--all-user";
159 rec_argv[i++] = "--all-kernel";
161 for (j = 0; j < argc; j++, i++)
162 rec_argv[i] = argv[j];
165 pr_debug("calling: record ");
167 for (j = start; j < end; j++)
168 pr_debug("%s ", rec_argv[j]);
173 ret = cmd_record(i, rec_argv);
175 for (i = 0; i < tmp_nr; i++)
184 dump_raw_samples(struct perf_tool *tool,
185 union perf_event *event,
186 struct perf_sample *sample,
187 struct machine *machine)
189 struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
190 struct addr_location al;
191 const char *fmt, *field_sep;
192 char str[PAGE_SIZE_NAME_LEN];
194 if (machine__resolve(machine, &al, sample) < 0) {
195 fprintf(stderr, "problem processing %d event, skipping it.\n",
200 if (al.filtered || (mem->hide_unresolved && al.sym == NULL))
204 al.map->dso->hit = 1;
206 field_sep = symbol_conf.field_sep;
208 fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s";
210 fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64"%s";
211 symbol_conf.field_sep = " ";
215 symbol_conf.field_sep,
217 symbol_conf.field_sep,
219 symbol_conf.field_sep,
221 symbol_conf.field_sep);
223 if (mem->phys_addr) {
224 printf("0x%016"PRIx64"%s",
226 symbol_conf.field_sep);
229 if (mem->data_page_size) {
231 get_page_size_name(sample->data_page_size, str),
232 symbol_conf.field_sep);
236 fmt = "%"PRIu64"%s0x%"PRIx64"%s%s:%s\n";
238 fmt = "%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
242 symbol_conf.field_sep,
244 symbol_conf.field_sep,
245 al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
246 al.sym ? al.sym->name : "???");
248 addr_location__put(&al);
252 static int process_sample_event(struct perf_tool *tool,
253 union perf_event *event,
254 struct perf_sample *sample,
255 struct evsel *evsel __maybe_unused,
256 struct machine *machine)
258 return dump_raw_samples(tool, event, sample, machine);
261 static int report_raw_events(struct perf_mem *mem)
263 struct itrace_synth_opts itrace_synth_opts = {
265 .mem = true, /* Only enable memory event */
266 .default_no_sample = true,
269 struct perf_data data = {
271 .mode = PERF_DATA_MODE_READ,
275 struct perf_session *session = perf_session__new(&data, &mem->tool);
278 return PTR_ERR(session);
280 session->itrace_synth_opts = &itrace_synth_opts;
283 ret = perf_session__cpu_bitmap(session, mem->cpu_list,
289 ret = symbol__init(&session->header.env);
293 printf("# PID, TID, IP, ADDR, ");
296 printf("PHYS ADDR, ");
298 if (mem->data_page_size)
299 printf("DATA PAGE SIZE, ");
301 printf("LOCAL WEIGHT, DSRC, SYMBOL\n");
303 ret = perf_session__process_events(session);
306 perf_session__delete(session);
309 static char *get_sort_order(struct perf_mem *mem)
311 bool has_extra_options = (mem->phys_addr | mem->data_page_size) ? true : false;
315 * there is no weight (cost) associated with stores, so don't print
318 if (!(mem->operation & MEM_OPERATION_LOAD)) {
319 strcpy(sort, "--sort=mem,sym,dso,symbol_daddr,"
320 "dso_daddr,tlb,locked");
321 } else if (has_extra_options) {
322 strcpy(sort, "--sort=local_weight,mem,sym,dso,symbol_daddr,"
323 "dso_daddr,snoop,tlb,locked,blocked");
328 strcat(sort, ",phys_daddr");
330 if (mem->data_page_size)
331 strcat(sort, ",data_page_size");
336 static int report_events(int argc, const char **argv, struct perf_mem *mem)
338 const char **rep_argv;
339 int ret, i = 0, j, rep_argc;
340 char *new_sort_order;
343 return report_raw_events(mem);
346 rep_argv = calloc(rep_argc + 1, sizeof(char *));
350 rep_argv[i++] = "report";
351 rep_argv[i++] = "--mem-mode";
352 rep_argv[i++] = "-n"; /* display number of samples */
354 new_sort_order = get_sort_order(mem);
356 rep_argv[i++] = new_sort_order;
358 for (j = 1; j < argc; j++, i++)
359 rep_argv[i] = argv[j];
361 ret = cmd_report(i, rep_argv);
371 #define MEM_OPT(n, m) \
372 { .name = n, .mode = (m) }
374 #define MEM_END { .name = NULL }
376 static const struct mem_mode mem_modes[]={
377 MEM_OPT("load", MEM_OPERATION_LOAD),
378 MEM_OPT("store", MEM_OPERATION_STORE),
383 parse_mem_ops(const struct option *opt, const char *str, int unset)
385 int *mode = (int *)opt->value;
386 const struct mem_mode *m;
387 char *s, *os = NULL, *p;
393 /* str may be NULL in case no arg is passed to -t */
395 /* because str is read-only */
396 s = os = strdup(str);
408 for (m = mem_modes; m->name; m++) {
409 if (!strcasecmp(s, m->name))
413 fprintf(stderr, "unknown sampling op %s,"
414 " check man page\n", s);
429 *mode = MEM_OPERATION_LOAD;
435 int cmd_mem(int argc, const char **argv)
438 struct perf_mem mem = {
440 .sample = process_sample_event,
441 .mmap = perf_event__process_mmap,
442 .mmap2 = perf_event__process_mmap2,
443 .comm = perf_event__process_comm,
444 .lost = perf_event__process_lost,
445 .fork = perf_event__process_fork,
446 .attr = perf_event__process_attr,
447 .build_id = perf_event__process_build_id,
448 .namespaces = perf_event__process_namespaces,
449 .auxtrace_info = perf_event__process_auxtrace_info,
450 .auxtrace = perf_event__process_auxtrace,
451 .auxtrace_error = perf_event__process_auxtrace_error,
452 .ordered_events = true,
454 .input_name = "perf.data",
456 * default to both load an store sampling
458 .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE,
460 const struct option mem_options[] = {
461 OPT_CALLBACK('t', "type", &mem.operation,
462 "type", "memory operations(load,store) Default load,store",
464 OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw,
465 "dump raw samples in ASCII"),
466 OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved,
467 "Only display entries resolved to a symbol"),
468 OPT_STRING('i', "input", &input_name, "file",
470 OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
471 "list of cpus to profile"),
472 OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep,
474 "separator for columns, no spaces will be added"
475 " between columns '.' is reserved."),
476 OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"),
477 OPT_BOOLEAN('p', "phys-data", &mem.phys_addr, "Record/Report sample physical addresses"),
478 OPT_BOOLEAN(0, "data-page-size", &mem.data_page_size, "Record/Report sample data address page size"),
481 const char *const mem_subcommands[] = { "record", "report", NULL };
482 const char *mem_usage[] = {
487 argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
488 mem_usage, PARSE_OPT_KEEP_UNKNOWN);
490 if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation))
491 usage_with_options(mem_usage, mem_options);
493 if (!mem.input_name || !strlen(mem.input_name)) {
494 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
495 mem.input_name = "-";
497 mem.input_name = "perf.data";
500 if (strlen(argv[0]) > 2 && strstarts("record", argv[0]))
501 return __cmd_record(argc, argv, &mem);
502 else if (strlen(argv[0]) > 2 && strstarts("report", argv[0]))
503 return report_events(argc, argv, &mem);
505 usage_with_options(mem_usage, mem_options);