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