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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/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}
1#include "builtin.h"
2#include "perf.h"
3
4#include <subcmd/parse-options.h>
5#include "util/trace-event.h"
6#include "util/tool.h"
7#include "util/session.h"
8#include "util/data.h"
9#include "util/mem-events.h"
10#include "util/debug.h"
11
12#define MEM_OPERATION_LOAD 0x1
13#define MEM_OPERATION_STORE 0x2
14
15struct perf_mem {
16 struct perf_tool tool;
17 char const *input_name;
18 bool hide_unresolved;
19 bool dump_raw;
20 bool force;
21 int operation;
22 const char *cpu_list;
23 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
24};
25
26static int parse_record_events(const struct option *opt,
27 const char *str, int unset __maybe_unused)
28{
29 struct perf_mem *mem = *(struct perf_mem **)opt->value;
30 int j;
31
32 if (strcmp(str, "list")) {
33 if (!perf_mem_events__parse(str)) {
34 mem->operation = 0;
35 return 0;
36 }
37 exit(-1);
38 }
39
40 for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
41 struct perf_mem_event *e = &perf_mem_events[j];
42
43 fprintf(stderr, "%-13s%-*s%s\n",
44 e->tag,
45 verbose ? 25 : 0,
46 verbose ? perf_mem_events__name(j) : "",
47 e->supported ? ": available" : "");
48 }
49 exit(0);
50}
51
52static const char * const __usage[] = {
53 "perf mem record [<options>] [<command>]",
54 "perf mem record [<options>] -- <command> [<options>]",
55 NULL
56};
57
58static const char * const *record_mem_usage = __usage;
59
60static int __cmd_record(int argc, const char **argv, struct perf_mem *mem)
61{
62 int rec_argc, i = 0, j;
63 const char **rec_argv;
64 int ret;
65 bool all_user = false, all_kernel = false;
66 struct option options[] = {
67 OPT_CALLBACK('e', "event", &mem, "event",
68 "event selector. use 'perf mem record -e list' to list available events",
69 parse_record_events),
70 OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"),
71 OPT_INCR('v', "verbose", &verbose,
72 "be more verbose (show counter open errors, etc)"),
73 OPT_BOOLEAN('U', "all-user", &all_user, "collect only user level data"),
74 OPT_BOOLEAN('K', "all-kernel", &all_kernel, "collect only kernel level data"),
75 OPT_END()
76 };
77
78 argc = parse_options(argc, argv, options, record_mem_usage,
79 PARSE_OPT_STOP_AT_NON_OPTION);
80
81 rec_argc = argc + 9; /* max number of arguments */
82 rec_argv = calloc(rec_argc + 1, sizeof(char *));
83 if (!rec_argv)
84 return -1;
85
86 rec_argv[i++] = "record";
87
88 if (mem->operation & MEM_OPERATION_LOAD)
89 perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
90
91 if (mem->operation & MEM_OPERATION_STORE)
92 perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
93
94 if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
95 rec_argv[i++] = "-W";
96
97 rec_argv[i++] = "-d";
98
99 for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
100 if (!perf_mem_events[j].record)
101 continue;
102
103 if (!perf_mem_events[j].supported) {
104 pr_err("failed: event '%s' not supported\n",
105 perf_mem_events__name(j));
106 return -1;
107 }
108
109 rec_argv[i++] = "-e";
110 rec_argv[i++] = perf_mem_events__name(j);
111 };
112
113 if (all_user)
114 rec_argv[i++] = "--all-user";
115
116 if (all_kernel)
117 rec_argv[i++] = "--all-kernel";
118
119 for (j = 0; j < argc; j++, i++)
120 rec_argv[i] = argv[j];
121
122 if (verbose > 0) {
123 pr_debug("calling: record ");
124
125 while (rec_argv[j]) {
126 pr_debug("%s ", rec_argv[j]);
127 j++;
128 }
129 pr_debug("\n");
130 }
131
132 ret = cmd_record(i, rec_argv, NULL);
133 free(rec_argv);
134 return ret;
135}
136
137static int
138dump_raw_samples(struct perf_tool *tool,
139 union perf_event *event,
140 struct perf_sample *sample,
141 struct machine *machine)
142{
143 struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
144 struct addr_location al;
145 const char *fmt;
146
147 if (machine__resolve(machine, &al, sample) < 0) {
148 fprintf(stderr, "problem processing %d event, skipping it.\n",
149 event->header.type);
150 return -1;
151 }
152
153 if (al.filtered || (mem->hide_unresolved && al.sym == NULL))
154 goto out_put;
155
156 if (al.map != NULL)
157 al.map->dso->hit = 1;
158
159 if (symbol_conf.field_sep) {
160 fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64
161 "%s0x%"PRIx64"%s%s:%s\n";
162 } else {
163 fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
164 "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
165 symbol_conf.field_sep = " ";
166 }
167
168 printf(fmt,
169 sample->pid,
170 symbol_conf.field_sep,
171 sample->tid,
172 symbol_conf.field_sep,
173 sample->ip,
174 symbol_conf.field_sep,
175 sample->addr,
176 symbol_conf.field_sep,
177 sample->weight,
178 symbol_conf.field_sep,
179 sample->data_src,
180 symbol_conf.field_sep,
181 al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
182 al.sym ? al.sym->name : "???");
183out_put:
184 addr_location__put(&al);
185 return 0;
186}
187
188static int process_sample_event(struct perf_tool *tool,
189 union perf_event *event,
190 struct perf_sample *sample,
191 struct perf_evsel *evsel __maybe_unused,
192 struct machine *machine)
193{
194 return dump_raw_samples(tool, event, sample, machine);
195}
196
197static int report_raw_events(struct perf_mem *mem)
198{
199 struct perf_data_file file = {
200 .path = input_name,
201 .mode = PERF_DATA_MODE_READ,
202 .force = mem->force,
203 };
204 int ret;
205 struct perf_session *session = perf_session__new(&file, false,
206 &mem->tool);
207
208 if (session == NULL)
209 return -1;
210
211 if (mem->cpu_list) {
212 ret = perf_session__cpu_bitmap(session, mem->cpu_list,
213 mem->cpu_bitmap);
214 if (ret < 0)
215 goto out_delete;
216 }
217
218 ret = symbol__init(&session->header.env);
219 if (ret < 0)
220 goto out_delete;
221
222 printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
223
224 ret = perf_session__process_events(session);
225
226out_delete:
227 perf_session__delete(session);
228 return ret;
229}
230
231static int report_events(int argc, const char **argv, struct perf_mem *mem)
232{
233 const char **rep_argv;
234 int ret, i = 0, j, rep_argc;
235
236 if (mem->dump_raw)
237 return report_raw_events(mem);
238
239 rep_argc = argc + 3;
240 rep_argv = calloc(rep_argc + 1, sizeof(char *));
241 if (!rep_argv)
242 return -1;
243
244 rep_argv[i++] = "report";
245 rep_argv[i++] = "--mem-mode";
246 rep_argv[i++] = "-n"; /* display number of samples */
247
248 /*
249 * there is no weight (cost) associated with stores, so don't print
250 * the column
251 */
252 if (!(mem->operation & MEM_OPERATION_LOAD))
253 rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr,"
254 "dso_daddr,tlb,locked";
255
256 for (j = 1; j < argc; j++, i++)
257 rep_argv[i] = argv[j];
258
259 ret = cmd_report(i, rep_argv, NULL);
260 free(rep_argv);
261 return ret;
262}
263
264struct mem_mode {
265 const char *name;
266 int mode;
267};
268
269#define MEM_OPT(n, m) \
270 { .name = n, .mode = (m) }
271
272#define MEM_END { .name = NULL }
273
274static const struct mem_mode mem_modes[]={
275 MEM_OPT("load", MEM_OPERATION_LOAD),
276 MEM_OPT("store", MEM_OPERATION_STORE),
277 MEM_END
278};
279
280static int
281parse_mem_ops(const struct option *opt, const char *str, int unset)
282{
283 int *mode = (int *)opt->value;
284 const struct mem_mode *m;
285 char *s, *os = NULL, *p;
286 int ret = -1;
287
288 if (unset)
289 return 0;
290
291 /* str may be NULL in case no arg is passed to -t */
292 if (str) {
293 /* because str is read-only */
294 s = os = strdup(str);
295 if (!s)
296 return -1;
297
298 /* reset mode */
299 *mode = 0;
300
301 for (;;) {
302 p = strchr(s, ',');
303 if (p)
304 *p = '\0';
305
306 for (m = mem_modes; m->name; m++) {
307 if (!strcasecmp(s, m->name))
308 break;
309 }
310 if (!m->name) {
311 fprintf(stderr, "unknown sampling op %s,"
312 " check man page\n", s);
313 goto error;
314 }
315
316 *mode |= m->mode;
317
318 if (!p)
319 break;
320
321 s = p + 1;
322 }
323 }
324 ret = 0;
325
326 if (*mode == 0)
327 *mode = MEM_OPERATION_LOAD;
328error:
329 free(os);
330 return ret;
331}
332
333int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused)
334{
335 struct stat st;
336 struct perf_mem mem = {
337 .tool = {
338 .sample = process_sample_event,
339 .mmap = perf_event__process_mmap,
340 .mmap2 = perf_event__process_mmap2,
341 .comm = perf_event__process_comm,
342 .lost = perf_event__process_lost,
343 .fork = perf_event__process_fork,
344 .build_id = perf_event__process_build_id,
345 .ordered_events = true,
346 },
347 .input_name = "perf.data",
348 /*
349 * default to both load an store sampling
350 */
351 .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE,
352 };
353 const struct option mem_options[] = {
354 OPT_CALLBACK('t', "type", &mem.operation,
355 "type", "memory operations(load,store) Default load,store",
356 parse_mem_ops),
357 OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw,
358 "dump raw samples in ASCII"),
359 OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved,
360 "Only display entries resolved to a symbol"),
361 OPT_STRING('i', "input", &input_name, "file",
362 "input file name"),
363 OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
364 "list of cpus to profile"),
365 OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep,
366 "separator",
367 "separator for columns, no spaces will be added"
368 " between columns '.' is reserved."),
369 OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"),
370 OPT_END()
371 };
372 const char *const mem_subcommands[] = { "record", "report", NULL };
373 const char *mem_usage[] = {
374 NULL,
375 NULL
376 };
377
378 if (perf_mem_events__init()) {
379 pr_err("failed: memory events not supported\n");
380 return -1;
381 }
382
383 argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
384 mem_usage, PARSE_OPT_STOP_AT_NON_OPTION);
385
386 if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation))
387 usage_with_options(mem_usage, mem_options);
388
389 if (!mem.input_name || !strlen(mem.input_name)) {
390 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
391 mem.input_name = "-";
392 else
393 mem.input_name = "perf.data";
394 }
395
396 if (!strncmp(argv[0], "rec", 3))
397 return __cmd_record(argc, argv, &mem);
398 else if (!strncmp(argv[0], "rep", 3))
399 return report_events(argc, argv, &mem);
400 else
401 usage_with_options(mem_usage, mem_options);
402
403 return 0;
404}