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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
fd20e811 | 2 | #include <inttypes.h> |
7a8ef4c4 ACM |
3 | #include <sys/types.h> |
4 | #include <sys/stat.h> | |
5 | #include <unistd.h> | |
028f12ee SE |
6 | #include "builtin.h" |
7 | #include "perf.h" | |
8 | ||
4b6ab94e | 9 | #include <subcmd/parse-options.h> |
028f12ee SE |
10 | #include "util/trace-event.h" |
11 | #include "util/tool.h" | |
12 | #include "util/session.h" | |
f5fc1412 | 13 | #include "util/data.h" |
acbe613e | 14 | #include "util/mem-events.h" |
ce1e22b0 | 15 | #include "util/debug.h" |
e7ff8920 | 16 | #include "util/symbol.h" |
028f12ee | 17 | |
67121f85 SE |
18 | #define MEM_OPERATION_LOAD 0x1 |
19 | #define MEM_OPERATION_STORE 0x2 | |
028f12ee | 20 | |
028f12ee SE |
21 | struct perf_mem { |
22 | struct perf_tool tool; | |
23 | char const *input_name; | |
028f12ee SE |
24 | bool hide_unresolved; |
25 | bool dump_raw; | |
62a1a63a | 26 | bool force; |
c35aeb9d | 27 | bool phys_addr; |
66024122 | 28 | int operation; |
028f12ee SE |
29 | const char *cpu_list; |
30 | DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); | |
31 | }; | |
32 | ||
ce1e22b0 JO |
33 | static int parse_record_events(const struct option *opt, |
34 | const char *str, int unset __maybe_unused) | |
35 | { | |
36 | struct perf_mem *mem = *(struct perf_mem **)opt->value; | |
37 | int j; | |
38 | ||
39 | if (strcmp(str, "list")) { | |
40 | if (!perf_mem_events__parse(str)) { | |
41 | mem->operation = 0; | |
42 | return 0; | |
43 | } | |
44 | exit(-1); | |
45 | } | |
46 | ||
47 | for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) { | |
48 | struct perf_mem_event *e = &perf_mem_events[j]; | |
49 | ||
54fbad54 JO |
50 | fprintf(stderr, "%-13s%-*s%s\n", |
51 | e->tag, | |
bb963e16 NK |
52 | verbose > 0 ? 25 : 0, |
53 | verbose > 0 ? perf_mem_events__name(j) : "", | |
54fbad54 | 54 | e->supported ? ": available" : ""); |
ce1e22b0 JO |
55 | } |
56 | exit(0); | |
57 | } | |
58 | ||
59 | static const char * const __usage[] = { | |
60 | "perf mem record [<options>] [<command>]", | |
61 | "perf mem record [<options>] -- <command> [<options>]", | |
62 | NULL | |
63 | }; | |
64 | ||
65 | static const char * const *record_mem_usage = __usage; | |
66 | ||
66024122 | 67 | static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) |
028f12ee SE |
68 | { |
69 | int rec_argc, i = 0, j; | |
70 | const char **rec_argv; | |
028f12ee | 71 | int ret; |
ad16511b | 72 | bool all_user = false, all_kernel = false; |
ce1e22b0 JO |
73 | struct option options[] = { |
74 | OPT_CALLBACK('e', "event", &mem, "event", | |
75 | "event selector. use 'perf mem record -e list' to list available events", | |
76 | parse_record_events), | |
b0d745b3 | 77 | OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"), |
ce1e22b0 JO |
78 | OPT_INCR('v', "verbose", &verbose, |
79 | "be more verbose (show counter open errors, etc)"), | |
631ac41b JO |
80 | OPT_BOOLEAN('U', "all-user", &all_user, "collect only user level data"), |
81 | OPT_BOOLEAN('K', "all-kernel", &all_kernel, "collect only kernel level data"), | |
ce1e22b0 JO |
82 | OPT_END() |
83 | }; | |
84 | ||
85 | argc = parse_options(argc, argv, options, record_mem_usage, | |
a7e9eab3 | 86 | PARSE_OPT_KEEP_UNKNOWN); |
028f12ee | 87 | |
ad16511b | 88 | rec_argc = argc + 9; /* max number of arguments */ |
028f12ee SE |
89 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
90 | if (!rec_argv) | |
91 | return -1; | |
92 | ||
67121f85 | 93 | rec_argv[i++] = "record"; |
028f12ee | 94 | |
ce1e22b0 | 95 | if (mem->operation & MEM_OPERATION_LOAD) |
acbe613e | 96 | perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true; |
ce1e22b0 | 97 | |
33da54fa JO |
98 | if (mem->operation & MEM_OPERATION_STORE) |
99 | perf_mem_events[PERF_MEM_EVENTS__STORE].record = true; | |
100 | ||
ce1e22b0 | 101 | if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record) |
67121f85 SE |
102 | rec_argv[i++] = "-W"; |
103 | ||
104 | rec_argv[i++] = "-d"; | |
105 | ||
c35aeb9d KL |
106 | if (mem->phys_addr) |
107 | rec_argv[i++] = "--phys-data"; | |
108 | ||
acbe613e JO |
109 | for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) { |
110 | if (!perf_mem_events[j].record) | |
111 | continue; | |
67121f85 | 112 | |
54fbad54 JO |
113 | if (!perf_mem_events[j].supported) { |
114 | pr_err("failed: event '%s' not supported\n", | |
2ba7ac58 | 115 | perf_mem_events__name(j)); |
c896f85a | 116 | free(rec_argv); |
54fbad54 JO |
117 | return -1; |
118 | } | |
119 | ||
67121f85 | 120 | rec_argv[i++] = "-e"; |
2ba7ac58 | 121 | rec_argv[i++] = perf_mem_events__name(j); |
acbe613e | 122 | }; |
028f12ee | 123 | |
ad16511b JO |
124 | if (all_user) |
125 | rec_argv[i++] = "--all-user"; | |
126 | ||
127 | if (all_kernel) | |
128 | rec_argv[i++] = "--all-kernel"; | |
129 | ||
ce1e22b0 | 130 | for (j = 0; j < argc; j++, i++) |
028f12ee SE |
131 | rec_argv[i] = argv[j]; |
132 | ||
ce1e22b0 JO |
133 | if (verbose > 0) { |
134 | pr_debug("calling: record "); | |
135 | ||
136 | while (rec_argv[j]) { | |
137 | pr_debug("%s ", rec_argv[j]); | |
138 | j++; | |
139 | } | |
140 | pr_debug("\n"); | |
141 | } | |
142 | ||
b0ad8ea6 | 143 | ret = cmd_record(i, rec_argv); |
028f12ee SE |
144 | free(rec_argv); |
145 | return ret; | |
146 | } | |
147 | ||
148 | static int | |
149 | dump_raw_samples(struct perf_tool *tool, | |
150 | union perf_event *event, | |
151 | struct perf_sample *sample, | |
028f12ee SE |
152 | struct machine *machine) |
153 | { | |
154 | struct perf_mem *mem = container_of(tool, struct perf_mem, tool); | |
155 | struct addr_location al; | |
156 | const char *fmt; | |
157 | ||
bb3eb566 | 158 | if (machine__resolve(machine, &al, sample) < 0) { |
028f12ee SE |
159 | fprintf(stderr, "problem processing %d event, skipping it.\n", |
160 | event->header.type); | |
161 | return -1; | |
162 | } | |
163 | ||
164 | if (al.filtered || (mem->hide_unresolved && al.sym == NULL)) | |
b91fc39f | 165 | goto out_put; |
028f12ee SE |
166 | |
167 | if (al.map != NULL) | |
168 | al.map->dso->hit = 1; | |
169 | ||
c35aeb9d KL |
170 | if (mem->phys_addr) { |
171 | if (symbol_conf.field_sep) { | |
172 | fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s0x%016"PRIx64 | |
173 | "%s%"PRIu64"%s0x%"PRIx64"%s%s:%s\n"; | |
174 | } else { | |
175 | fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64 | |
176 | "%s0x%016"PRIx64"%s%5"PRIu64"%s0x%06"PRIx64 | |
177 | "%s%s:%s\n"; | |
178 | symbol_conf.field_sep = " "; | |
179 | } | |
180 | ||
181 | printf(fmt, | |
182 | sample->pid, | |
183 | symbol_conf.field_sep, | |
184 | sample->tid, | |
185 | symbol_conf.field_sep, | |
186 | sample->ip, | |
187 | symbol_conf.field_sep, | |
188 | sample->addr, | |
189 | symbol_conf.field_sep, | |
190 | sample->phys_addr, | |
191 | symbol_conf.field_sep, | |
192 | sample->weight, | |
193 | symbol_conf.field_sep, | |
194 | sample->data_src, | |
195 | symbol_conf.field_sep, | |
196 | al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???", | |
197 | al.sym ? al.sym->name : "???"); | |
028f12ee | 198 | } else { |
c35aeb9d KL |
199 | if (symbol_conf.field_sep) { |
200 | fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64 | |
201 | "%s0x%"PRIx64"%s%s:%s\n"; | |
202 | } else { | |
203 | fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64 | |
204 | "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n"; | |
205 | symbol_conf.field_sep = " "; | |
206 | } | |
028f12ee | 207 | |
c35aeb9d KL |
208 | printf(fmt, |
209 | sample->pid, | |
210 | symbol_conf.field_sep, | |
211 | sample->tid, | |
212 | symbol_conf.field_sep, | |
213 | sample->ip, | |
214 | symbol_conf.field_sep, | |
215 | sample->addr, | |
216 | symbol_conf.field_sep, | |
217 | sample->weight, | |
218 | symbol_conf.field_sep, | |
219 | sample->data_src, | |
220 | symbol_conf.field_sep, | |
221 | al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???", | |
222 | al.sym ? al.sym->name : "???"); | |
223 | } | |
b91fc39f ACM |
224 | out_put: |
225 | addr_location__put(&al); | |
028f12ee SE |
226 | return 0; |
227 | } | |
228 | ||
229 | static int process_sample_event(struct perf_tool *tool, | |
230 | union perf_event *event, | |
231 | struct perf_sample *sample, | |
8b640cc4 | 232 | struct perf_evsel *evsel __maybe_unused, |
028f12ee SE |
233 | struct machine *machine) |
234 | { | |
8b640cc4 | 235 | return dump_raw_samples(tool, event, sample, machine); |
028f12ee SE |
236 | } |
237 | ||
238 | static int report_raw_events(struct perf_mem *mem) | |
239 | { | |
8ceb41d7 | 240 | struct perf_data data = { |
eae8ad80 JO |
241 | .file = { |
242 | .path = input_name, | |
243 | }, | |
244 | .mode = PERF_DATA_MODE_READ, | |
245 | .force = mem->force, | |
f5fc1412 | 246 | }; |
028f12ee | 247 | int ret; |
8ceb41d7 | 248 | struct perf_session *session = perf_session__new(&data, false, |
f5fc1412 | 249 | &mem->tool); |
028f12ee SE |
250 | |
251 | if (session == NULL) | |
52e02834 | 252 | return -1; |
028f12ee SE |
253 | |
254 | if (mem->cpu_list) { | |
255 | ret = perf_session__cpu_bitmap(session, mem->cpu_list, | |
256 | mem->cpu_bitmap); | |
1df9fade | 257 | if (ret < 0) |
028f12ee SE |
258 | goto out_delete; |
259 | } | |
260 | ||
1df9fade TS |
261 | ret = symbol__init(&session->header.env); |
262 | if (ret < 0) | |
263 | goto out_delete; | |
028f12ee | 264 | |
c35aeb9d KL |
265 | if (mem->phys_addr) |
266 | printf("# PID, TID, IP, ADDR, PHYS ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n"); | |
267 | else | |
268 | printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n"); | |
028f12ee | 269 | |
1df9fade | 270 | ret = perf_session__process_events(session); |
028f12ee SE |
271 | |
272 | out_delete: | |
273 | perf_session__delete(session); | |
1df9fade | 274 | return ret; |
028f12ee SE |
275 | } |
276 | ||
277 | static int report_events(int argc, const char **argv, struct perf_mem *mem) | |
278 | { | |
279 | const char **rep_argv; | |
280 | int ret, i = 0, j, rep_argc; | |
281 | ||
282 | if (mem->dump_raw) | |
283 | return report_raw_events(mem); | |
284 | ||
285 | rep_argc = argc + 3; | |
286 | rep_argv = calloc(rep_argc + 1, sizeof(char *)); | |
287 | if (!rep_argv) | |
288 | return -1; | |
289 | ||
67121f85 SE |
290 | rep_argv[i++] = "report"; |
291 | rep_argv[i++] = "--mem-mode"; | |
292 | rep_argv[i++] = "-n"; /* display number of samples */ | |
028f12ee SE |
293 | |
294 | /* | |
295 | * there is no weight (cost) associated with stores, so don't print | |
296 | * the column | |
297 | */ | |
c35aeb9d KL |
298 | if (!(mem->operation & MEM_OPERATION_LOAD)) { |
299 | if (mem->phys_addr) | |
300 | rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr," | |
301 | "dso_daddr,tlb,locked,phys_daddr"; | |
302 | else | |
303 | rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr," | |
304 | "dso_daddr,tlb,locked"; | |
305 | } else if (mem->phys_addr) | |
306 | rep_argv[i++] = "--sort=local_weight,mem,sym,dso,symbol_daddr," | |
307 | "dso_daddr,snoop,tlb,locked,phys_daddr"; | |
028f12ee SE |
308 | |
309 | for (j = 1; j < argc; j++, i++) | |
310 | rep_argv[i] = argv[j]; | |
311 | ||
b0ad8ea6 | 312 | ret = cmd_report(i, rep_argv); |
028f12ee SE |
313 | free(rep_argv); |
314 | return ret; | |
315 | } | |
316 | ||
67121f85 SE |
317 | struct mem_mode { |
318 | const char *name; | |
319 | int mode; | |
320 | }; | |
321 | ||
322 | #define MEM_OPT(n, m) \ | |
323 | { .name = n, .mode = (m) } | |
324 | ||
325 | #define MEM_END { .name = NULL } | |
326 | ||
327 | static const struct mem_mode mem_modes[]={ | |
328 | MEM_OPT("load", MEM_OPERATION_LOAD), | |
329 | MEM_OPT("store", MEM_OPERATION_STORE), | |
330 | MEM_END | |
331 | }; | |
332 | ||
333 | static int | |
334 | parse_mem_ops(const struct option *opt, const char *str, int unset) | |
335 | { | |
336 | int *mode = (int *)opt->value; | |
337 | const struct mem_mode *m; | |
338 | char *s, *os = NULL, *p; | |
339 | int ret = -1; | |
340 | ||
341 | if (unset) | |
342 | return 0; | |
343 | ||
344 | /* str may be NULL in case no arg is passed to -t */ | |
345 | if (str) { | |
346 | /* because str is read-only */ | |
347 | s = os = strdup(str); | |
348 | if (!s) | |
349 | return -1; | |
350 | ||
351 | /* reset mode */ | |
352 | *mode = 0; | |
353 | ||
354 | for (;;) { | |
355 | p = strchr(s, ','); | |
356 | if (p) | |
357 | *p = '\0'; | |
358 | ||
359 | for (m = mem_modes; m->name; m++) { | |
360 | if (!strcasecmp(s, m->name)) | |
361 | break; | |
362 | } | |
363 | if (!m->name) { | |
364 | fprintf(stderr, "unknown sampling op %s," | |
365 | " check man page\n", s); | |
366 | goto error; | |
367 | } | |
368 | ||
369 | *mode |= m->mode; | |
370 | ||
371 | if (!p) | |
372 | break; | |
373 | ||
374 | s = p + 1; | |
375 | } | |
376 | } | |
377 | ret = 0; | |
378 | ||
379 | if (*mode == 0) | |
380 | *mode = MEM_OPERATION_LOAD; | |
381 | error: | |
382 | free(os); | |
383 | return ret; | |
384 | } | |
385 | ||
b0ad8ea6 | 386 | int cmd_mem(int argc, const char **argv) |
028f12ee SE |
387 | { |
388 | struct stat st; | |
389 | struct perf_mem mem = { | |
390 | .tool = { | |
391 | .sample = process_sample_event, | |
392 | .mmap = perf_event__process_mmap, | |
5c5e854b | 393 | .mmap2 = perf_event__process_mmap2, |
028f12ee SE |
394 | .comm = perf_event__process_comm, |
395 | .lost = perf_event__process_lost, | |
396 | .fork = perf_event__process_fork, | |
397 | .build_id = perf_event__process_build_id, | |
f3b3614a | 398 | .namespaces = perf_event__process_namespaces, |
0a8cb85c | 399 | .ordered_events = true, |
028f12ee SE |
400 | }, |
401 | .input_name = "perf.data", | |
66024122 ACM |
402 | /* |
403 | * default to both load an store sampling | |
404 | */ | |
405 | .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE, | |
028f12ee SE |
406 | }; |
407 | const struct option mem_options[] = { | |
66024122 | 408 | OPT_CALLBACK('t', "type", &mem.operation, |
67121f85 SE |
409 | "type", "memory operations(load,store) Default load,store", |
410 | parse_mem_ops), | |
028f12ee SE |
411 | OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw, |
412 | "dump raw samples in ASCII"), | |
413 | OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved, | |
414 | "Only display entries resolved to a symbol"), | |
415 | OPT_STRING('i', "input", &input_name, "file", | |
416 | "input file name"), | |
417 | OPT_STRING('C', "cpu", &mem.cpu_list, "cpu", | |
418 | "list of cpus to profile"), | |
8b8ca6e1 | 419 | OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep, |
028f12ee SE |
420 | "separator", |
421 | "separator for columns, no spaces will be added" | |
422 | " between columns '.' is reserved."), | |
62a1a63a | 423 | OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"), |
c35aeb9d | 424 | OPT_BOOLEAN('p', "phys-data", &mem.phys_addr, "Record/Report sample physical addresses"), |
028f12ee SE |
425 | OPT_END() |
426 | }; | |
8d2a2a1d RR |
427 | const char *const mem_subcommands[] = { "record", "report", NULL }; |
428 | const char *mem_usage[] = { | |
429 | NULL, | |
430 | NULL | |
431 | }; | |
432 | ||
54fbad54 JO |
433 | if (perf_mem_events__init()) { |
434 | pr_err("failed: memory events not supported\n"); | |
435 | return -1; | |
436 | } | |
437 | ||
8d2a2a1d | 438 | argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands, |
a7e9eab3 | 439 | mem_usage, PARSE_OPT_KEEP_UNKNOWN); |
028f12ee | 440 | |
66024122 | 441 | if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation)) |
028f12ee SE |
442 | usage_with_options(mem_usage, mem_options); |
443 | ||
444 | if (!mem.input_name || !strlen(mem.input_name)) { | |
445 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) | |
446 | mem.input_name = "-"; | |
447 | else | |
448 | mem.input_name = "perf.data"; | |
449 | } | |
450 | ||
451 | if (!strncmp(argv[0], "rec", 3)) | |
66024122 | 452 | return __cmd_record(argc, argv, &mem); |
028f12ee SE |
453 | else if (!strncmp(argv[0], "rep", 3)) |
454 | return report_events(argc, argv, &mem); | |
455 | else | |
456 | usage_with_options(mem_usage, mem_options); | |
457 | ||
458 | return 0; | |
459 | } |