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1// SPDX-License-Identifier: GPL-2.0
2#include <inttypes.h>
3#include <sys/types.h>
4#include <sys/stat.h>
5#include <unistd.h>
6#include "builtin.h"
7
8#include <subcmd/parse-options.h>
9#include "util/auxtrace.h"
10#include "util/trace-event.h"
11#include "util/tool.h"
12#include "util/session.h"
13#include "util/data.h"
14#include "util/map_symbol.h"
15#include "util/mem-events.h"
16#include "util/debug.h"
17#include "util/dso.h"
18#include "util/map.h"
19#include "util/symbol.h"
20#include "util/pmus.h"
21#include "util/sample.h"
22#include "util/sort.h"
23#include "util/string2.h"
24#include "util/util.h"
25#include <linux/err.h>
26
27#define MEM_OPERATION_LOAD 0x1
28#define MEM_OPERATION_STORE 0x2
29
30struct perf_mem {
31 struct perf_tool tool;
32 const char *input_name;
33 const char *sort_key;
34 bool hide_unresolved;
35 bool dump_raw;
36 bool force;
37 bool phys_addr;
38 bool data_page_size;
39 bool all_kernel;
40 bool all_user;
41 bool data_type;
42 int operation;
43 const char *cpu_list;
44 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
45};
46
47static int parse_record_events(const struct option *opt,
48 const char *str, int unset __maybe_unused)
49{
50 struct perf_mem *mem = (struct perf_mem *)opt->value;
51 struct perf_pmu *pmu;
52
53 pmu = perf_mem_events_find_pmu();
54 if (!pmu) {
55 pr_err("failed: there is no PMU that supports perf mem\n");
56 exit(-1);
57 }
58
59 if (!strcmp(str, "list")) {
60 perf_pmu__mem_events_list(pmu);
61 exit(0);
62 }
63 if (perf_pmu__mem_events_parse(pmu, str))
64 exit(-1);
65
66 mem->operation = 0;
67 return 0;
68}
69
70static int __cmd_record(int argc, const char **argv, struct perf_mem *mem,
71 const struct option *options)
72{
73 int rec_argc, i = 0, j;
74 int start, end;
75 const char **rec_argv;
76 int ret;
77 struct perf_mem_event *e;
78 struct perf_pmu *pmu;
79 const char * const record_usage[] = {
80 "perf mem record [<options>] [<command>]",
81 "perf mem record [<options>] -- <command> [<options>]",
82 NULL
83 };
84
85 pmu = perf_mem_events_find_pmu();
86 if (!pmu) {
87 pr_err("failed: no PMU supports the memory events\n");
88 return -1;
89 }
90
91 if (perf_pmu__mem_events_init()) {
92 pr_err("failed: memory events not supported\n");
93 return -1;
94 }
95
96 argc = parse_options(argc, argv, options, record_usage,
97 PARSE_OPT_KEEP_UNKNOWN);
98
99 /* Max number of arguments multiplied by number of PMUs that can support them. */
100 rec_argc = argc + 9 * (perf_pmu__mem_events_num_mem_pmus(pmu) + 1);
101
102 if (mem->cpu_list)
103 rec_argc += 2;
104
105 rec_argv = calloc(rec_argc + 1, sizeof(char *));
106 if (!rec_argv)
107 return -1;
108
109 rec_argv[i++] = "record";
110
111 e = perf_pmu__mem_events_ptr(pmu, PERF_MEM_EVENTS__LOAD_STORE);
112
113 /*
114 * The load and store operations are required, use the event
115 * PERF_MEM_EVENTS__LOAD_STORE if it is supported.
116 */
117 if (e->tag &&
118 (mem->operation & MEM_OPERATION_LOAD) &&
119 (mem->operation & MEM_OPERATION_STORE)) {
120 perf_mem_record[PERF_MEM_EVENTS__LOAD_STORE] = true;
121 rec_argv[i++] = "-W";
122 } else {
123 if (mem->operation & MEM_OPERATION_LOAD)
124 perf_mem_record[PERF_MEM_EVENTS__LOAD] = true;
125
126 if (mem->operation & MEM_OPERATION_STORE)
127 perf_mem_record[PERF_MEM_EVENTS__STORE] = true;
128 }
129
130 if (perf_mem_record[PERF_MEM_EVENTS__LOAD])
131 rec_argv[i++] = "-W";
132
133 rec_argv[i++] = "-d";
134
135 if (mem->phys_addr)
136 rec_argv[i++] = "--phys-data";
137
138 if (mem->data_page_size)
139 rec_argv[i++] = "--data-page-size";
140
141 start = i;
142 ret = perf_mem_events__record_args(rec_argv, &i);
143 if (ret)
144 goto out;
145 end = i;
146
147 if (mem->all_user)
148 rec_argv[i++] = "--all-user";
149
150 if (mem->all_kernel)
151 rec_argv[i++] = "--all-kernel";
152
153 if (mem->cpu_list) {
154 rec_argv[i++] = "-C";
155 rec_argv[i++] = mem->cpu_list;
156 }
157
158 for (j = 0; j < argc; j++, i++)
159 rec_argv[i] = argv[j];
160
161 if (verbose > 0) {
162 pr_debug("calling: record ");
163
164 for (j = start; j < end; j++)
165 pr_debug("%s ", rec_argv[j]);
166
167 pr_debug("\n");
168 }
169
170 ret = cmd_record(i, rec_argv);
171out:
172 free(rec_argv);
173 return ret;
174}
175
176static int
177dump_raw_samples(const struct perf_tool *tool,
178 union perf_event *event,
179 struct perf_sample *sample,
180 struct machine *machine)
181{
182 struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
183 struct addr_location al;
184 const char *fmt, *field_sep;
185 char str[PAGE_SIZE_NAME_LEN];
186 struct dso *dso = NULL;
187
188 addr_location__init(&al);
189 if (machine__resolve(machine, &al, sample) < 0) {
190 fprintf(stderr, "problem processing %d event, skipping it.\n",
191 event->header.type);
192 addr_location__exit(&al);
193 return -1;
194 }
195
196 if (al.filtered || (mem->hide_unresolved && al.sym == NULL))
197 goto out_put;
198
199 if (al.map != NULL) {
200 dso = map__dso(al.map);
201 if (dso)
202 dso__set_hit(dso);
203 }
204
205 field_sep = symbol_conf.field_sep;
206 if (field_sep) {
207 fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s";
208 } else {
209 fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64"%s";
210 symbol_conf.field_sep = " ";
211 }
212 printf(fmt,
213 sample->pid,
214 symbol_conf.field_sep,
215 sample->tid,
216 symbol_conf.field_sep,
217 sample->ip,
218 symbol_conf.field_sep,
219 sample->addr,
220 symbol_conf.field_sep);
221
222 if (mem->phys_addr) {
223 printf("0x%016"PRIx64"%s",
224 sample->phys_addr,
225 symbol_conf.field_sep);
226 }
227
228 if (mem->data_page_size) {
229 printf("%s%s",
230 get_page_size_name(sample->data_page_size, str),
231 symbol_conf.field_sep);
232 }
233
234 if (field_sep)
235 fmt = "%"PRIu64"%s0x%"PRIx64"%s%s:%s\n";
236 else
237 fmt = "%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
238
239 printf(fmt,
240 sample->weight,
241 symbol_conf.field_sep,
242 sample->data_src,
243 symbol_conf.field_sep,
244 dso ? dso__long_name(dso) : "???",
245 al.sym ? al.sym->name : "???");
246out_put:
247 addr_location__exit(&al);
248 return 0;
249}
250
251static int process_sample_event(const struct perf_tool *tool,
252 union perf_event *event,
253 struct perf_sample *sample,
254 struct evsel *evsel __maybe_unused,
255 struct machine *machine)
256{
257 return dump_raw_samples(tool, event, sample, machine);
258}
259
260static int report_raw_events(struct perf_mem *mem)
261{
262 struct itrace_synth_opts itrace_synth_opts = {
263 .set = true,
264 .mem = true, /* Only enable memory event */
265 .default_no_sample = true,
266 };
267
268 struct perf_data data = {
269 .path = input_name,
270 .mode = PERF_DATA_MODE_READ,
271 .force = mem->force,
272 };
273 int ret;
274 struct perf_session *session;
275
276 perf_tool__init(&mem->tool, /*ordered_events=*/true);
277 mem->tool.sample = process_sample_event;
278 mem->tool.mmap = perf_event__process_mmap;
279 mem->tool.mmap2 = perf_event__process_mmap2;
280 mem->tool.comm = perf_event__process_comm;
281 mem->tool.lost = perf_event__process_lost;
282 mem->tool.fork = perf_event__process_fork;
283 mem->tool.attr = perf_event__process_attr;
284 mem->tool.build_id = perf_event__process_build_id;
285 mem->tool.namespaces = perf_event__process_namespaces;
286 mem->tool.auxtrace_info = perf_event__process_auxtrace_info;
287 mem->tool.auxtrace = perf_event__process_auxtrace;
288 mem->tool.auxtrace_error = perf_event__process_auxtrace_error;
289
290 session = perf_session__new(&data, &mem->tool);
291
292 if (IS_ERR(session))
293 return PTR_ERR(session);
294
295 session->itrace_synth_opts = &itrace_synth_opts;
296
297 if (mem->cpu_list) {
298 ret = perf_session__cpu_bitmap(session, mem->cpu_list,
299 mem->cpu_bitmap);
300 if (ret < 0)
301 goto out_delete;
302 }
303
304 ret = symbol__init(&session->header.env);
305 if (ret < 0)
306 goto out_delete;
307
308 printf("# PID, TID, IP, ADDR, ");
309
310 if (mem->phys_addr)
311 printf("PHYS ADDR, ");
312
313 if (mem->data_page_size)
314 printf("DATA PAGE SIZE, ");
315
316 printf("LOCAL WEIGHT, DSRC, SYMBOL\n");
317
318 ret = perf_session__process_events(session);
319
320out_delete:
321 perf_session__delete(session);
322 return ret;
323}
324
325static char *get_sort_order(struct perf_mem *mem)
326{
327 bool has_extra_options = (mem->phys_addr | mem->data_page_size) ? true : false;
328 char sort[128];
329
330 if (mem->sort_key)
331 scnprintf(sort, sizeof(sort), "--sort=%s", mem->sort_key);
332 else if (mem->data_type)
333 strcpy(sort, "--sort=mem,snoop,tlb,type");
334 /*
335 * there is no weight (cost) associated with stores, so don't print
336 * the column
337 */
338 else if (!(mem->operation & MEM_OPERATION_LOAD)) {
339 strcpy(sort, "--sort=mem,sym,dso,symbol_daddr,"
340 "dso_daddr,tlb,locked");
341 } else if (has_extra_options) {
342 strcpy(sort, "--sort=local_weight,mem,sym,dso,symbol_daddr,"
343 "dso_daddr,snoop,tlb,locked,blocked");
344 } else
345 return NULL;
346
347 if (mem->phys_addr)
348 strcat(sort, ",phys_daddr");
349
350 if (mem->data_page_size)
351 strcat(sort, ",data_page_size");
352
353 /* make sure it has 'type' sort key even -s option is used */
354 if (mem->data_type && !strstr(sort, "type"))
355 strcat(sort, ",type");
356
357 return strdup(sort);
358}
359
360static int __cmd_report(int argc, const char **argv, struct perf_mem *mem,
361 const struct option *options)
362{
363 const char **rep_argv;
364 int ret, i = 0, j, rep_argc;
365 char *new_sort_order;
366 const char * const report_usage[] = {
367 "perf mem report [<options>]",
368 NULL
369 };
370
371 argc = parse_options(argc, argv, options, report_usage,
372 PARSE_OPT_KEEP_UNKNOWN);
373
374 if (mem->dump_raw)
375 return report_raw_events(mem);
376
377 rep_argc = argc + 3;
378 rep_argv = calloc(rep_argc + 1, sizeof(char *));
379 if (!rep_argv)
380 return -1;
381
382 rep_argv[i++] = "report";
383 rep_argv[i++] = "--mem-mode";
384 rep_argv[i++] = "-n"; /* display number of samples */
385
386 new_sort_order = get_sort_order(mem);
387 if (new_sort_order)
388 rep_argv[i++] = new_sort_order;
389
390 for (j = 0; j < argc; j++, i++)
391 rep_argv[i] = argv[j];
392
393 ret = cmd_report(i, rep_argv);
394 free(new_sort_order);
395 free(rep_argv);
396 return ret;
397}
398
399struct mem_mode {
400 const char *name;
401 int mode;
402};
403
404#define MEM_OPT(n, m) \
405 { .name = n, .mode = (m) }
406
407#define MEM_END { .name = NULL }
408
409static const struct mem_mode mem_modes[]={
410 MEM_OPT("load", MEM_OPERATION_LOAD),
411 MEM_OPT("store", MEM_OPERATION_STORE),
412 MEM_END
413};
414
415static int
416parse_mem_ops(const struct option *opt, const char *str, int unset)
417{
418 int *mode = (int *)opt->value;
419 const struct mem_mode *m;
420 char *s, *os = NULL, *p;
421 int ret = -1;
422
423 if (unset)
424 return 0;
425
426 /* str may be NULL in case no arg is passed to -t */
427 if (str) {
428 /* because str is read-only */
429 s = os = strdup(str);
430 if (!s)
431 return -1;
432
433 /* reset mode */
434 *mode = 0;
435
436 for (;;) {
437 p = strchr(s, ',');
438 if (p)
439 *p = '\0';
440
441 for (m = mem_modes; m->name; m++) {
442 if (!strcasecmp(s, m->name))
443 break;
444 }
445 if (!m->name) {
446 fprintf(stderr, "unknown sampling op %s,"
447 " check man page\n", s);
448 goto error;
449 }
450
451 *mode |= m->mode;
452
453 if (!p)
454 break;
455
456 s = p + 1;
457 }
458 }
459 ret = 0;
460
461 if (*mode == 0)
462 *mode = MEM_OPERATION_LOAD;
463error:
464 free(os);
465 return ret;
466}
467
468int cmd_mem(int argc, const char **argv)
469{
470 struct stat st;
471 struct perf_mem mem = {
472 .input_name = "perf.data",
473 /*
474 * default to both load an store sampling
475 */
476 .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE,
477 };
478 char *sort_order_help = sort_help("sort by key(s):", SORT_MODE__MEMORY);
479 const struct option mem_options[] = {
480 OPT_CALLBACK('t', "type", &mem.operation,
481 "type", "memory operations(load,store) Default load,store",
482 parse_mem_ops),
483 OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
484 "list of cpus to profile"),
485 OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"),
486 OPT_INCR('v', "verbose", &verbose,
487 "be more verbose (show counter open errors, etc)"),
488 OPT_BOOLEAN('p', "phys-data", &mem.phys_addr, "Record/Report sample physical addresses"),
489 OPT_BOOLEAN(0, "data-page-size", &mem.data_page_size, "Record/Report sample data address page size"),
490 OPT_END()
491 };
492 const struct option record_options[] = {
493 OPT_CALLBACK('e', "event", &mem, "event",
494 "event selector. use 'perf mem record -e list' to list available events",
495 parse_record_events),
496 OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"),
497 OPT_BOOLEAN('U', "all-user", &mem.all_user, "collect only user level data"),
498 OPT_BOOLEAN('K', "all-kernel", &mem.all_kernel, "collect only kernel level data"),
499 OPT_PARENT(mem_options)
500 };
501 const struct option report_options[] = {
502 OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw,
503 "dump raw samples in ASCII"),
504 OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved,
505 "Only display entries resolved to a symbol"),
506 OPT_STRING('i', "input", &input_name, "file",
507 "input file name"),
508 OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep,
509 "separator",
510 "separator for columns, no spaces will be added"
511 " between columns '.' is reserved."),
512 OPT_STRING('s', "sort", &mem.sort_key, "key[,key2...]",
513 sort_order_help),
514 OPT_BOOLEAN('T', "type-profile", &mem.data_type,
515 "Show data-type profile result"),
516 OPT_PARENT(mem_options)
517 };
518 const char *const mem_subcommands[] = { "record", "report", NULL };
519 const char *mem_usage[] = {
520 NULL,
521 NULL
522 };
523
524 argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
525 mem_usage, PARSE_OPT_STOP_AT_NON_OPTION);
526
527 if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation))
528 usage_with_options(mem_usage, mem_options);
529
530 if (!mem.input_name || !strlen(mem.input_name)) {
531 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
532 mem.input_name = "-";
533 else
534 mem.input_name = "perf.data";
535 }
536
537 if (strlen(argv[0]) > 2 && strstarts("record", argv[0]))
538 return __cmd_record(argc, argv, &mem, record_options);
539 else if (strlen(argv[0]) > 2 && strstarts("report", argv[0]))
540 return __cmd_report(argc, argv, &mem, report_options);
541 else
542 usage_with_options(mem_usage, mem_options);
543
544 /* free usage string allocated by parse_options_subcommand */
545 free((void *)mem_usage[0]);
546
547 return 0;
548}
1// SPDX-License-Identifier: GPL-2.0
2#include <inttypes.h>
3#include <sys/types.h>
4#include <sys/stat.h>
5#include <unistd.h>
6#include "builtin.h"
7#include "perf.h"
8
9#include <subcmd/parse-options.h>
10#include "util/trace-event.h"
11#include "util/tool.h"
12#include "util/session.h"
13#include "util/data.h"
14#include "util/map_symbol.h"
15#include "util/mem-events.h"
16#include "util/debug.h"
17#include "util/dso.h"
18#include "util/map.h"
19#include "util/symbol.h"
20#include <linux/err.h>
21
22#define MEM_OPERATION_LOAD 0x1
23#define MEM_OPERATION_STORE 0x2
24
25struct perf_mem {
26 struct perf_tool tool;
27 char const *input_name;
28 bool hide_unresolved;
29 bool dump_raw;
30 bool force;
31 bool phys_addr;
32 int operation;
33 const char *cpu_list;
34 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
35};
36
37static int parse_record_events(const struct option *opt,
38 const char *str, int unset __maybe_unused)
39{
40 struct perf_mem *mem = *(struct perf_mem **)opt->value;
41
42 if (!strcmp(str, "list")) {
43 perf_mem_events__list();
44 exit(0);
45 }
46 if (perf_mem_events__parse(str))
47 exit(-1);
48
49 mem->operation = 0;
50 return 0;
51}
52
53static const char * const __usage[] = {
54 "perf mem record [<options>] [<command>]",
55 "perf mem record [<options>] -- <command> [<options>]",
56 NULL
57};
58
59static const char * const *record_mem_usage = __usage;
60
61static int __cmd_record(int argc, const char **argv, struct perf_mem *mem)
62{
63 int rec_argc, i = 0, j;
64 const char **rec_argv;
65 int ret;
66 bool all_user = false, all_kernel = false;
67 struct option options[] = {
68 OPT_CALLBACK('e', "event", &mem, "event",
69 "event selector. use 'perf mem record -e list' to list available events",
70 parse_record_events),
71 OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"),
72 OPT_INCR('v', "verbose", &verbose,
73 "be more verbose (show counter open errors, etc)"),
74 OPT_BOOLEAN('U', "all-user", &all_user, "collect only user level data"),
75 OPT_BOOLEAN('K', "all-kernel", &all_kernel, "collect only kernel level data"),
76 OPT_END()
77 };
78
79 argc = parse_options(argc, argv, options, record_mem_usage,
80 PARSE_OPT_KEEP_UNKNOWN);
81
82 rec_argc = argc + 9; /* max number of arguments */
83 rec_argv = calloc(rec_argc + 1, sizeof(char *));
84 if (!rec_argv)
85 return -1;
86
87 rec_argv[i++] = "record";
88
89 if (mem->operation & MEM_OPERATION_LOAD)
90 perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
91
92 if (mem->operation & MEM_OPERATION_STORE)
93 perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
94
95 if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
96 rec_argv[i++] = "-W";
97
98 rec_argv[i++] = "-d";
99
100 if (mem->phys_addr)
101 rec_argv[i++] = "--phys-data";
102
103 for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
104 if (!perf_mem_events[j].record)
105 continue;
106
107 if (!perf_mem_events[j].supported) {
108 pr_err("failed: event '%s' not supported\n",
109 perf_mem_events__name(j));
110 free(rec_argv);
111 return -1;
112 }
113
114 rec_argv[i++] = "-e";
115 rec_argv[i++] = perf_mem_events__name(j);
116 }
117
118 if (all_user)
119 rec_argv[i++] = "--all-user";
120
121 if (all_kernel)
122 rec_argv[i++] = "--all-kernel";
123
124 for (j = 0; j < argc; j++, i++)
125 rec_argv[i] = argv[j];
126
127 if (verbose > 0) {
128 pr_debug("calling: record ");
129
130 while (rec_argv[j]) {
131 pr_debug("%s ", rec_argv[j]);
132 j++;
133 }
134 pr_debug("\n");
135 }
136
137 ret = cmd_record(i, rec_argv);
138 free(rec_argv);
139 return ret;
140}
141
142static int
143dump_raw_samples(struct perf_tool *tool,
144 union perf_event *event,
145 struct perf_sample *sample,
146 struct machine *machine)
147{
148 struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
149 struct addr_location al;
150 const char *fmt;
151
152 if (machine__resolve(machine, &al, sample) < 0) {
153 fprintf(stderr, "problem processing %d event, skipping it.\n",
154 event->header.type);
155 return -1;
156 }
157
158 if (al.filtered || (mem->hide_unresolved && al.sym == NULL))
159 goto out_put;
160
161 if (al.map != NULL)
162 al.map->dso->hit = 1;
163
164 if (mem->phys_addr) {
165 if (symbol_conf.field_sep) {
166 fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s0x%016"PRIx64
167 "%s%"PRIu64"%s0x%"PRIx64"%s%s:%s\n";
168 } else {
169 fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
170 "%s0x%016"PRIx64"%s%5"PRIu64"%s0x%06"PRIx64
171 "%s%s:%s\n";
172 symbol_conf.field_sep = " ";
173 }
174
175 printf(fmt,
176 sample->pid,
177 symbol_conf.field_sep,
178 sample->tid,
179 symbol_conf.field_sep,
180 sample->ip,
181 symbol_conf.field_sep,
182 sample->addr,
183 symbol_conf.field_sep,
184 sample->phys_addr,
185 symbol_conf.field_sep,
186 sample->weight,
187 symbol_conf.field_sep,
188 sample->data_src,
189 symbol_conf.field_sep,
190 al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
191 al.sym ? al.sym->name : "???");
192 } else {
193 if (symbol_conf.field_sep) {
194 fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64
195 "%s0x%"PRIx64"%s%s:%s\n";
196 } else {
197 fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
198 "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
199 symbol_conf.field_sep = " ";
200 }
201
202 printf(fmt,
203 sample->pid,
204 symbol_conf.field_sep,
205 sample->tid,
206 symbol_conf.field_sep,
207 sample->ip,
208 symbol_conf.field_sep,
209 sample->addr,
210 symbol_conf.field_sep,
211 sample->weight,
212 symbol_conf.field_sep,
213 sample->data_src,
214 symbol_conf.field_sep,
215 al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
216 al.sym ? al.sym->name : "???");
217 }
218out_put:
219 addr_location__put(&al);
220 return 0;
221}
222
223static int process_sample_event(struct perf_tool *tool,
224 union perf_event *event,
225 struct perf_sample *sample,
226 struct evsel *evsel __maybe_unused,
227 struct machine *machine)
228{
229 return dump_raw_samples(tool, event, sample, machine);
230}
231
232static int report_raw_events(struct perf_mem *mem)
233{
234 struct perf_data data = {
235 .path = input_name,
236 .mode = PERF_DATA_MODE_READ,
237 .force = mem->force,
238 };
239 int ret;
240 struct perf_session *session = perf_session__new(&data, false,
241 &mem->tool);
242
243 if (IS_ERR(session))
244 return PTR_ERR(session);
245
246 if (mem->cpu_list) {
247 ret = perf_session__cpu_bitmap(session, mem->cpu_list,
248 mem->cpu_bitmap);
249 if (ret < 0)
250 goto out_delete;
251 }
252
253 ret = symbol__init(&session->header.env);
254 if (ret < 0)
255 goto out_delete;
256
257 if (mem->phys_addr)
258 printf("# PID, TID, IP, ADDR, PHYS ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
259 else
260 printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
261
262 ret = perf_session__process_events(session);
263
264out_delete:
265 perf_session__delete(session);
266 return ret;
267}
268
269static int report_events(int argc, const char **argv, struct perf_mem *mem)
270{
271 const char **rep_argv;
272 int ret, i = 0, j, rep_argc;
273
274 if (mem->dump_raw)
275 return report_raw_events(mem);
276
277 rep_argc = argc + 3;
278 rep_argv = calloc(rep_argc + 1, sizeof(char *));
279 if (!rep_argv)
280 return -1;
281
282 rep_argv[i++] = "report";
283 rep_argv[i++] = "--mem-mode";
284 rep_argv[i++] = "-n"; /* display number of samples */
285
286 /*
287 * there is no weight (cost) associated with stores, so don't print
288 * the column
289 */
290 if (!(mem->operation & MEM_OPERATION_LOAD)) {
291 if (mem->phys_addr)
292 rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr,"
293 "dso_daddr,tlb,locked,phys_daddr";
294 else
295 rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr,"
296 "dso_daddr,tlb,locked";
297 } else if (mem->phys_addr)
298 rep_argv[i++] = "--sort=local_weight,mem,sym,dso,symbol_daddr,"
299 "dso_daddr,snoop,tlb,locked,phys_daddr";
300
301 for (j = 1; j < argc; j++, i++)
302 rep_argv[i] = argv[j];
303
304 ret = cmd_report(i, rep_argv);
305 free(rep_argv);
306 return ret;
307}
308
309struct mem_mode {
310 const char *name;
311 int mode;
312};
313
314#define MEM_OPT(n, m) \
315 { .name = n, .mode = (m) }
316
317#define MEM_END { .name = NULL }
318
319static const struct mem_mode mem_modes[]={
320 MEM_OPT("load", MEM_OPERATION_LOAD),
321 MEM_OPT("store", MEM_OPERATION_STORE),
322 MEM_END
323};
324
325static int
326parse_mem_ops(const struct option *opt, const char *str, int unset)
327{
328 int *mode = (int *)opt->value;
329 const struct mem_mode *m;
330 char *s, *os = NULL, *p;
331 int ret = -1;
332
333 if (unset)
334 return 0;
335
336 /* str may be NULL in case no arg is passed to -t */
337 if (str) {
338 /* because str is read-only */
339 s = os = strdup(str);
340 if (!s)
341 return -1;
342
343 /* reset mode */
344 *mode = 0;
345
346 for (;;) {
347 p = strchr(s, ',');
348 if (p)
349 *p = '\0';
350
351 for (m = mem_modes; m->name; m++) {
352 if (!strcasecmp(s, m->name))
353 break;
354 }
355 if (!m->name) {
356 fprintf(stderr, "unknown sampling op %s,"
357 " check man page\n", s);
358 goto error;
359 }
360
361 *mode |= m->mode;
362
363 if (!p)
364 break;
365
366 s = p + 1;
367 }
368 }
369 ret = 0;
370
371 if (*mode == 0)
372 *mode = MEM_OPERATION_LOAD;
373error:
374 free(os);
375 return ret;
376}
377
378int cmd_mem(int argc, const char **argv)
379{
380 struct stat st;
381 struct perf_mem mem = {
382 .tool = {
383 .sample = process_sample_event,
384 .mmap = perf_event__process_mmap,
385 .mmap2 = perf_event__process_mmap2,
386 .comm = perf_event__process_comm,
387 .lost = perf_event__process_lost,
388 .fork = perf_event__process_fork,
389 .build_id = perf_event__process_build_id,
390 .namespaces = perf_event__process_namespaces,
391 .ordered_events = true,
392 },
393 .input_name = "perf.data",
394 /*
395 * default to both load an store sampling
396 */
397 .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE,
398 };
399 const struct option mem_options[] = {
400 OPT_CALLBACK('t', "type", &mem.operation,
401 "type", "memory operations(load,store) Default load,store",
402 parse_mem_ops),
403 OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw,
404 "dump raw samples in ASCII"),
405 OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved,
406 "Only display entries resolved to a symbol"),
407 OPT_STRING('i', "input", &input_name, "file",
408 "input file name"),
409 OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
410 "list of cpus to profile"),
411 OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep,
412 "separator",
413 "separator for columns, no spaces will be added"
414 " between columns '.' is reserved."),
415 OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"),
416 OPT_BOOLEAN('p', "phys-data", &mem.phys_addr, "Record/Report sample physical addresses"),
417 OPT_END()
418 };
419 const char *const mem_subcommands[] = { "record", "report", NULL };
420 const char *mem_usage[] = {
421 NULL,
422 NULL
423 };
424
425 if (perf_mem_events__init()) {
426 pr_err("failed: memory events not supported\n");
427 return -1;
428 }
429
430 argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
431 mem_usage, PARSE_OPT_KEEP_UNKNOWN);
432
433 if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation))
434 usage_with_options(mem_usage, mem_options);
435
436 if (!mem.input_name || !strlen(mem.input_name)) {
437 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
438 mem.input_name = "-";
439 else
440 mem.input_name = "perf.data";
441 }
442
443 if (!strncmp(argv[0], "rec", 3))
444 return __cmd_record(argc, argv, &mem);
445 else if (!strncmp(argv[0], "rep", 3))
446 return report_events(argc, argv, &mem);
447 else
448 usage_with_options(mem_usage, mem_options);
449
450 return 0;
451}