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