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Commit | Line | Data |
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028f12ee SE |
1 | #include "builtin.h" |
2 | #include "perf.h" | |
3 | ||
4b6ab94e | 4 | #include <subcmd/parse-options.h> |
028f12ee SE |
5 | #include "util/trace-event.h" |
6 | #include "util/tool.h" | |
7 | #include "util/session.h" | |
f5fc1412 | 8 | #include "util/data.h" |
acbe613e | 9 | #include "util/mem-events.h" |
ce1e22b0 | 10 | #include "util/debug.h" |
028f12ee | 11 | |
67121f85 SE |
12 | #define MEM_OPERATION_LOAD 0x1 |
13 | #define MEM_OPERATION_STORE 0x2 | |
028f12ee | 14 | |
028f12ee SE |
15 | struct perf_mem { |
16 | struct perf_tool tool; | |
17 | char const *input_name; | |
028f12ee SE |
18 | bool hide_unresolved; |
19 | bool dump_raw; | |
62a1a63a | 20 | bool force; |
66024122 | 21 | int operation; |
028f12ee SE |
22 | const char *cpu_list; |
23 | DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); | |
24 | }; | |
25 | ||
ce1e22b0 JO |
26 | static 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, "%-20s%s", | |
44 | e->tag, verbose ? "" : "\n"); | |
45 | if (verbose) | |
46 | fprintf(stderr, " [%s]\n", e->name); | |
47 | } | |
48 | exit(0); | |
49 | } | |
50 | ||
51 | static const char * const __usage[] = { | |
52 | "perf mem record [<options>] [<command>]", | |
53 | "perf mem record [<options>] -- <command> [<options>]", | |
54 | NULL | |
55 | }; | |
56 | ||
57 | static const char * const *record_mem_usage = __usage; | |
58 | ||
66024122 | 59 | static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) |
028f12ee SE |
60 | { |
61 | int rec_argc, i = 0, j; | |
62 | const char **rec_argv; | |
028f12ee | 63 | int ret; |
ce1e22b0 JO |
64 | struct option options[] = { |
65 | OPT_CALLBACK('e', "event", &mem, "event", | |
66 | "event selector. use 'perf mem record -e list' to list available events", | |
67 | parse_record_events), | |
68 | OPT_INCR('v', "verbose", &verbose, | |
69 | "be more verbose (show counter open errors, etc)"), | |
70 | OPT_END() | |
71 | }; | |
72 | ||
73 | argc = parse_options(argc, argv, options, record_mem_usage, | |
74 | PARSE_OPT_STOP_AT_NON_OPTION); | |
028f12ee | 75 | |
67121f85 | 76 | rec_argc = argc + 7; /* max number of arguments */ |
028f12ee SE |
77 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
78 | if (!rec_argv) | |
79 | return -1; | |
80 | ||
67121f85 | 81 | rec_argv[i++] = "record"; |
028f12ee | 82 | |
ce1e22b0 | 83 | if (mem->operation & MEM_OPERATION_LOAD) |
acbe613e | 84 | perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true; |
ce1e22b0 JO |
85 | |
86 | if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record) | |
67121f85 SE |
87 | rec_argv[i++] = "-W"; |
88 | ||
89 | rec_argv[i++] = "-d"; | |
90 | ||
acbe613e JO |
91 | for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) { |
92 | if (!perf_mem_events[j].record) | |
93 | continue; | |
67121f85 | 94 | |
67121f85 | 95 | rec_argv[i++] = "-e"; |
acbe613e JO |
96 | rec_argv[i++] = perf_mem_events[j].name; |
97 | }; | |
028f12ee | 98 | |
ce1e22b0 | 99 | for (j = 0; j < argc; j++, i++) |
028f12ee SE |
100 | rec_argv[i] = argv[j]; |
101 | ||
ce1e22b0 JO |
102 | if (verbose > 0) { |
103 | pr_debug("calling: record "); | |
104 | ||
105 | while (rec_argv[j]) { | |
106 | pr_debug("%s ", rec_argv[j]); | |
107 | j++; | |
108 | } | |
109 | pr_debug("\n"); | |
110 | } | |
111 | ||
028f12ee SE |
112 | ret = cmd_record(i, rec_argv, NULL); |
113 | free(rec_argv); | |
114 | return ret; | |
115 | } | |
116 | ||
117 | static int | |
118 | dump_raw_samples(struct perf_tool *tool, | |
119 | union perf_event *event, | |
120 | struct perf_sample *sample, | |
028f12ee SE |
121 | struct machine *machine) |
122 | { | |
123 | struct perf_mem *mem = container_of(tool, struct perf_mem, tool); | |
124 | struct addr_location al; | |
125 | const char *fmt; | |
126 | ||
e44baa3e | 127 | if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { |
028f12ee SE |
128 | fprintf(stderr, "problem processing %d event, skipping it.\n", |
129 | event->header.type); | |
130 | return -1; | |
131 | } | |
132 | ||
133 | if (al.filtered || (mem->hide_unresolved && al.sym == NULL)) | |
b91fc39f | 134 | goto out_put; |
028f12ee SE |
135 | |
136 | if (al.map != NULL) | |
137 | al.map->dso->hit = 1; | |
138 | ||
139 | if (symbol_conf.field_sep) { | |
140 | fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64 | |
141 | "%s0x%"PRIx64"%s%s:%s\n"; | |
142 | } else { | |
143 | fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64 | |
144 | "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n"; | |
145 | symbol_conf.field_sep = " "; | |
146 | } | |
147 | ||
148 | printf(fmt, | |
149 | sample->pid, | |
150 | symbol_conf.field_sep, | |
151 | sample->tid, | |
152 | symbol_conf.field_sep, | |
ef89325f | 153 | sample->ip, |
028f12ee SE |
154 | symbol_conf.field_sep, |
155 | sample->addr, | |
156 | symbol_conf.field_sep, | |
157 | sample->weight, | |
158 | symbol_conf.field_sep, | |
159 | sample->data_src, | |
160 | symbol_conf.field_sep, | |
161 | al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???", | |
162 | al.sym ? al.sym->name : "???"); | |
b91fc39f ACM |
163 | out_put: |
164 | addr_location__put(&al); | |
028f12ee SE |
165 | return 0; |
166 | } | |
167 | ||
168 | static int process_sample_event(struct perf_tool *tool, | |
169 | union perf_event *event, | |
170 | struct perf_sample *sample, | |
8b640cc4 | 171 | struct perf_evsel *evsel __maybe_unused, |
028f12ee SE |
172 | struct machine *machine) |
173 | { | |
8b640cc4 | 174 | return dump_raw_samples(tool, event, sample, machine); |
028f12ee SE |
175 | } |
176 | ||
177 | static int report_raw_events(struct perf_mem *mem) | |
178 | { | |
f5fc1412 JO |
179 | struct perf_data_file file = { |
180 | .path = input_name, | |
181 | .mode = PERF_DATA_MODE_READ, | |
62a1a63a | 182 | .force = mem->force, |
f5fc1412 | 183 | }; |
028f12ee | 184 | int ret; |
f5fc1412 JO |
185 | struct perf_session *session = perf_session__new(&file, false, |
186 | &mem->tool); | |
028f12ee SE |
187 | |
188 | if (session == NULL) | |
52e02834 | 189 | return -1; |
028f12ee SE |
190 | |
191 | if (mem->cpu_list) { | |
192 | ret = perf_session__cpu_bitmap(session, mem->cpu_list, | |
193 | mem->cpu_bitmap); | |
1df9fade | 194 | if (ret < 0) |
028f12ee SE |
195 | goto out_delete; |
196 | } | |
197 | ||
1df9fade TS |
198 | ret = symbol__init(&session->header.env); |
199 | if (ret < 0) | |
200 | goto out_delete; | |
028f12ee SE |
201 | |
202 | printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n"); | |
203 | ||
1df9fade | 204 | ret = perf_session__process_events(session); |
028f12ee SE |
205 | |
206 | out_delete: | |
207 | perf_session__delete(session); | |
1df9fade | 208 | return ret; |
028f12ee SE |
209 | } |
210 | ||
211 | static int report_events(int argc, const char **argv, struct perf_mem *mem) | |
212 | { | |
213 | const char **rep_argv; | |
214 | int ret, i = 0, j, rep_argc; | |
215 | ||
216 | if (mem->dump_raw) | |
217 | return report_raw_events(mem); | |
218 | ||
219 | rep_argc = argc + 3; | |
220 | rep_argv = calloc(rep_argc + 1, sizeof(char *)); | |
221 | if (!rep_argv) | |
222 | return -1; | |
223 | ||
67121f85 SE |
224 | rep_argv[i++] = "report"; |
225 | rep_argv[i++] = "--mem-mode"; | |
226 | rep_argv[i++] = "-n"; /* display number of samples */ | |
028f12ee SE |
227 | |
228 | /* | |
229 | * there is no weight (cost) associated with stores, so don't print | |
230 | * the column | |
231 | */ | |
66024122 | 232 | if (!(mem->operation & MEM_OPERATION_LOAD)) |
67121f85 SE |
233 | rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr," |
234 | "dso_daddr,tlb,locked"; | |
028f12ee SE |
235 | |
236 | for (j = 1; j < argc; j++, i++) | |
237 | rep_argv[i] = argv[j]; | |
238 | ||
239 | ret = cmd_report(i, rep_argv, NULL); | |
240 | free(rep_argv); | |
241 | return ret; | |
242 | } | |
243 | ||
67121f85 SE |
244 | struct mem_mode { |
245 | const char *name; | |
246 | int mode; | |
247 | }; | |
248 | ||
249 | #define MEM_OPT(n, m) \ | |
250 | { .name = n, .mode = (m) } | |
251 | ||
252 | #define MEM_END { .name = NULL } | |
253 | ||
254 | static const struct mem_mode mem_modes[]={ | |
255 | MEM_OPT("load", MEM_OPERATION_LOAD), | |
256 | MEM_OPT("store", MEM_OPERATION_STORE), | |
257 | MEM_END | |
258 | }; | |
259 | ||
260 | static int | |
261 | parse_mem_ops(const struct option *opt, const char *str, int unset) | |
262 | { | |
263 | int *mode = (int *)opt->value; | |
264 | const struct mem_mode *m; | |
265 | char *s, *os = NULL, *p; | |
266 | int ret = -1; | |
267 | ||
268 | if (unset) | |
269 | return 0; | |
270 | ||
271 | /* str may be NULL in case no arg is passed to -t */ | |
272 | if (str) { | |
273 | /* because str is read-only */ | |
274 | s = os = strdup(str); | |
275 | if (!s) | |
276 | return -1; | |
277 | ||
278 | /* reset mode */ | |
279 | *mode = 0; | |
280 | ||
281 | for (;;) { | |
282 | p = strchr(s, ','); | |
283 | if (p) | |
284 | *p = '\0'; | |
285 | ||
286 | for (m = mem_modes; m->name; m++) { | |
287 | if (!strcasecmp(s, m->name)) | |
288 | break; | |
289 | } | |
290 | if (!m->name) { | |
291 | fprintf(stderr, "unknown sampling op %s," | |
292 | " check man page\n", s); | |
293 | goto error; | |
294 | } | |
295 | ||
296 | *mode |= m->mode; | |
297 | ||
298 | if (!p) | |
299 | break; | |
300 | ||
301 | s = p + 1; | |
302 | } | |
303 | } | |
304 | ret = 0; | |
305 | ||
306 | if (*mode == 0) | |
307 | *mode = MEM_OPERATION_LOAD; | |
308 | error: | |
309 | free(os); | |
310 | return ret; | |
311 | } | |
312 | ||
028f12ee SE |
313 | int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused) |
314 | { | |
315 | struct stat st; | |
316 | struct perf_mem mem = { | |
317 | .tool = { | |
318 | .sample = process_sample_event, | |
319 | .mmap = perf_event__process_mmap, | |
5c5e854b | 320 | .mmap2 = perf_event__process_mmap2, |
028f12ee SE |
321 | .comm = perf_event__process_comm, |
322 | .lost = perf_event__process_lost, | |
323 | .fork = perf_event__process_fork, | |
324 | .build_id = perf_event__process_build_id, | |
0a8cb85c | 325 | .ordered_events = true, |
028f12ee SE |
326 | }, |
327 | .input_name = "perf.data", | |
66024122 ACM |
328 | /* |
329 | * default to both load an store sampling | |
330 | */ | |
331 | .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE, | |
028f12ee SE |
332 | }; |
333 | const struct option mem_options[] = { | |
66024122 | 334 | OPT_CALLBACK('t', "type", &mem.operation, |
67121f85 SE |
335 | "type", "memory operations(load,store) Default load,store", |
336 | parse_mem_ops), | |
028f12ee SE |
337 | OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw, |
338 | "dump raw samples in ASCII"), | |
339 | OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved, | |
340 | "Only display entries resolved to a symbol"), | |
341 | OPT_STRING('i', "input", &input_name, "file", | |
342 | "input file name"), | |
343 | OPT_STRING('C', "cpu", &mem.cpu_list, "cpu", | |
344 | "list of cpus to profile"), | |
8b8ca6e1 | 345 | OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep, |
028f12ee SE |
346 | "separator", |
347 | "separator for columns, no spaces will be added" | |
348 | " between columns '.' is reserved."), | |
62a1a63a | 349 | OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"), |
028f12ee SE |
350 | OPT_END() |
351 | }; | |
8d2a2a1d RR |
352 | const char *const mem_subcommands[] = { "record", "report", NULL }; |
353 | const char *mem_usage[] = { | |
354 | NULL, | |
355 | NULL | |
356 | }; | |
357 | ||
8d2a2a1d RR |
358 | argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands, |
359 | mem_usage, PARSE_OPT_STOP_AT_NON_OPTION); | |
028f12ee | 360 | |
66024122 | 361 | if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation)) |
028f12ee SE |
362 | usage_with_options(mem_usage, mem_options); |
363 | ||
364 | if (!mem.input_name || !strlen(mem.input_name)) { | |
365 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) | |
366 | mem.input_name = "-"; | |
367 | else | |
368 | mem.input_name = "perf.data"; | |
369 | } | |
370 | ||
371 | if (!strncmp(argv[0], "rec", 3)) | |
66024122 | 372 | return __cmd_record(argc, argv, &mem); |
028f12ee SE |
373 | else if (!strncmp(argv[0], "rep", 3)) |
374 | return report_events(argc, argv, &mem); | |
375 | else | |
376 | usage_with_options(mem_usage, mem_options); | |
377 | ||
378 | return 0; | |
379 | } |