Commit | Line | Data |
---|---|---|
4e319027 | 1 | #include <traceevent/event-parse.h> |
514f1c67 | 2 | #include "builtin.h" |
752fde44 | 3 | #include "util/color.h" |
7c304ee0 | 4 | #include "util/debug.h" |
514f1c67 | 5 | #include "util/evlist.h" |
752fde44 | 6 | #include "util/machine.h" |
6810fc91 | 7 | #include "util/session.h" |
752fde44 | 8 | #include "util/thread.h" |
514f1c67 | 9 | #include "util/parse-options.h" |
2ae3a312 | 10 | #include "util/strlist.h" |
bdc89661 | 11 | #include "util/intlist.h" |
514f1c67 | 12 | #include "util/thread_map.h" |
514f1c67 ACM |
13 | |
14 | #include <libaudit.h> | |
15 | #include <stdlib.h> | |
ae685380 | 16 | #include <sys/mman.h> |
514f1c67 | 17 | |
13d4ff3e ACM |
18 | static size_t syscall_arg__scnprintf_hex(char *bf, size_t size, unsigned long arg) |
19 | { | |
20 | return scnprintf(bf, size, "%#lx", arg); | |
21 | } | |
22 | ||
beccb2b5 ACM |
23 | #define SCA_HEX syscall_arg__scnprintf_hex |
24 | ||
ae685380 ACM |
25 | static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, unsigned long arg) |
26 | { | |
27 | int printed = 0, prot = arg; | |
28 | ||
29 | if (prot == PROT_NONE) | |
30 | return scnprintf(bf, size, "NONE"); | |
31 | #define P_MMAP_PROT(n) \ | |
32 | if (prot & PROT_##n) { \ | |
33 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
34 | prot &= ~PROT_##n; \ | |
35 | } | |
36 | ||
37 | P_MMAP_PROT(EXEC); | |
38 | P_MMAP_PROT(READ); | |
39 | P_MMAP_PROT(WRITE); | |
40 | #ifdef PROT_SEM | |
41 | P_MMAP_PROT(SEM); | |
42 | #endif | |
43 | P_MMAP_PROT(GROWSDOWN); | |
44 | P_MMAP_PROT(GROWSUP); | |
45 | #undef P_MMAP_PROT | |
46 | ||
47 | if (prot) | |
48 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot); | |
49 | ||
50 | return printed; | |
51 | } | |
52 | ||
53 | #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot | |
54 | ||
941557e0 ACM |
55 | static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, unsigned long arg) |
56 | { | |
57 | int printed = 0, flags = arg; | |
58 | ||
59 | #define P_MMAP_FLAG(n) \ | |
60 | if (flags & MAP_##n) { \ | |
61 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
62 | flags &= ~MAP_##n; \ | |
63 | } | |
64 | ||
65 | P_MMAP_FLAG(SHARED); | |
66 | P_MMAP_FLAG(PRIVATE); | |
67 | P_MMAP_FLAG(32BIT); | |
68 | P_MMAP_FLAG(ANONYMOUS); | |
69 | P_MMAP_FLAG(DENYWRITE); | |
70 | P_MMAP_FLAG(EXECUTABLE); | |
71 | P_MMAP_FLAG(FILE); | |
72 | P_MMAP_FLAG(FIXED); | |
73 | P_MMAP_FLAG(GROWSDOWN); | |
74 | P_MMAP_FLAG(HUGETLB); | |
75 | P_MMAP_FLAG(LOCKED); | |
76 | P_MMAP_FLAG(NONBLOCK); | |
77 | P_MMAP_FLAG(NORESERVE); | |
78 | P_MMAP_FLAG(POPULATE); | |
79 | P_MMAP_FLAG(STACK); | |
80 | #ifdef MAP_UNINITIALIZED | |
81 | P_MMAP_FLAG(UNINITIALIZED); | |
82 | #endif | |
83 | #undef P_MMAP_FLAG | |
84 | ||
85 | if (flags) | |
86 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
87 | ||
88 | return printed; | |
89 | } | |
90 | ||
91 | #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags | |
92 | ||
9e9716d1 ACM |
93 | static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, unsigned long arg) |
94 | { | |
95 | int behavior = arg; | |
96 | ||
97 | switch (behavior) { | |
98 | #define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n) | |
99 | P_MADV_BHV(NORMAL); | |
100 | P_MADV_BHV(RANDOM); | |
101 | P_MADV_BHV(SEQUENTIAL); | |
102 | P_MADV_BHV(WILLNEED); | |
103 | P_MADV_BHV(DONTNEED); | |
104 | P_MADV_BHV(REMOVE); | |
105 | P_MADV_BHV(DONTFORK); | |
106 | P_MADV_BHV(DOFORK); | |
107 | P_MADV_BHV(HWPOISON); | |
108 | #ifdef MADV_SOFT_OFFLINE | |
109 | P_MADV_BHV(SOFT_OFFLINE); | |
110 | #endif | |
111 | P_MADV_BHV(MERGEABLE); | |
112 | P_MADV_BHV(UNMERGEABLE); | |
113 | P_MADV_BHV(HUGEPAGE); | |
114 | P_MADV_BHV(NOHUGEPAGE); | |
115 | #ifdef MADV_DONTDUMP | |
116 | P_MADV_BHV(DONTDUMP); | |
117 | #endif | |
118 | #ifdef MADV_DODUMP | |
119 | P_MADV_BHV(DODUMP); | |
120 | #endif | |
121 | #undef P_MADV_PHV | |
122 | default: break; | |
123 | } | |
124 | ||
125 | return scnprintf(bf, size, "%#x", behavior); | |
126 | } | |
127 | ||
128 | #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior | |
129 | ||
514f1c67 ACM |
130 | static struct syscall_fmt { |
131 | const char *name; | |
aec1930b | 132 | const char *alias; |
beccb2b5 | 133 | size_t (*arg_scnprintf[6])(char *bf, size_t size, unsigned long arg); |
514f1c67 ACM |
134 | bool errmsg; |
135 | bool timeout; | |
04b34729 | 136 | bool hexret; |
514f1c67 | 137 | } syscall_fmts[] = { |
8b745263 | 138 | { .name = "access", .errmsg = true, }, |
aec1930b | 139 | { .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, |
beccb2b5 ACM |
140 | { .name = "brk", .hexret = true, |
141 | .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, }, | |
04b34729 | 142 | { .name = "mmap", .hexret = true, }, |
a14bb860 | 143 | { .name = "connect", .errmsg = true, }, |
aec1930b ACM |
144 | { .name = "fstat", .errmsg = true, .alias = "newfstat", }, |
145 | { .name = "fstatat", .errmsg = true, .alias = "newfstatat", }, | |
146 | { .name = "futex", .errmsg = true, }, | |
beccb2b5 ACM |
147 | { .name = "ioctl", .errmsg = true, |
148 | .arg_scnprintf = { [2] = SCA_HEX, /* arg */ }, }, | |
e5959683 | 149 | { .name = "lstat", .errmsg = true, .alias = "newlstat", }, |
9e9716d1 ACM |
150 | { .name = "madvise", .errmsg = true, |
151 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ | |
152 | [2] = SCA_MADV_BHV, /* behavior */ }, }, | |
beccb2b5 | 153 | { .name = "mmap", .hexret = true, |
ae685380 | 154 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ |
941557e0 ACM |
155 | [2] = SCA_MMAP_PROT, /* prot */ |
156 | [3] = SCA_MMAP_FLAGS, /* flags */ }, }, | |
beccb2b5 | 157 | { .name = "mprotect", .errmsg = true, |
ae685380 ACM |
158 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ |
159 | [2] = SCA_MMAP_PROT, /* prot */ }, }, | |
160 | { .name = "mremap", .hexret = true, | |
161 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ | |
162 | [4] = SCA_HEX, /* new_addr */ }, }, | |
beccb2b5 ACM |
163 | { .name = "munmap", .errmsg = true, |
164 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
8b745263 | 165 | { .name = "open", .errmsg = true, }, |
aec1930b ACM |
166 | { .name = "poll", .errmsg = true, .timeout = true, }, |
167 | { .name = "ppoll", .errmsg = true, .timeout = true, }, | |
e5959683 ACM |
168 | { .name = "pread", .errmsg = true, .alias = "pread64", }, |
169 | { .name = "pwrite", .errmsg = true, .alias = "pwrite64", }, | |
aec1930b ACM |
170 | { .name = "read", .errmsg = true, }, |
171 | { .name = "recvfrom", .errmsg = true, }, | |
172 | { .name = "select", .errmsg = true, .timeout = true, }, | |
8b745263 | 173 | { .name = "socket", .errmsg = true, }, |
aec1930b | 174 | { .name = "stat", .errmsg = true, .alias = "newstat", }, |
e5959683 | 175 | { .name = "uname", .errmsg = true, .alias = "newuname", }, |
514f1c67 ACM |
176 | }; |
177 | ||
178 | static int syscall_fmt__cmp(const void *name, const void *fmtp) | |
179 | { | |
180 | const struct syscall_fmt *fmt = fmtp; | |
181 | return strcmp(name, fmt->name); | |
182 | } | |
183 | ||
184 | static struct syscall_fmt *syscall_fmt__find(const char *name) | |
185 | { | |
186 | const int nmemb = ARRAY_SIZE(syscall_fmts); | |
187 | return bsearch(name, syscall_fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp); | |
188 | } | |
189 | ||
190 | struct syscall { | |
191 | struct event_format *tp_format; | |
192 | const char *name; | |
2ae3a312 | 193 | bool filtered; |
514f1c67 | 194 | struct syscall_fmt *fmt; |
13d4ff3e | 195 | size_t (**arg_scnprintf)(char *bf, size_t size, unsigned long arg); |
514f1c67 ACM |
196 | }; |
197 | ||
60c907ab ACM |
198 | static size_t fprintf_duration(unsigned long t, FILE *fp) |
199 | { | |
200 | double duration = (double)t / NSEC_PER_MSEC; | |
201 | size_t printed = fprintf(fp, "("); | |
202 | ||
203 | if (duration >= 1.0) | |
204 | printed += color_fprintf(fp, PERF_COLOR_RED, "%6.3f ms", duration); | |
205 | else if (duration >= 0.01) | |
206 | printed += color_fprintf(fp, PERF_COLOR_YELLOW, "%6.3f ms", duration); | |
207 | else | |
208 | printed += color_fprintf(fp, PERF_COLOR_NORMAL, "%6.3f ms", duration); | |
c24ff998 | 209 | return printed + fprintf(fp, "): "); |
60c907ab ACM |
210 | } |
211 | ||
752fde44 ACM |
212 | struct thread_trace { |
213 | u64 entry_time; | |
214 | u64 exit_time; | |
215 | bool entry_pending; | |
efd5745e | 216 | unsigned long nr_events; |
752fde44 | 217 | char *entry_str; |
1302d88e | 218 | double runtime_ms; |
752fde44 ACM |
219 | }; |
220 | ||
221 | static struct thread_trace *thread_trace__new(void) | |
222 | { | |
223 | return zalloc(sizeof(struct thread_trace)); | |
224 | } | |
225 | ||
c24ff998 | 226 | static struct thread_trace *thread__trace(struct thread *thread, FILE *fp) |
752fde44 | 227 | { |
efd5745e ACM |
228 | struct thread_trace *ttrace; |
229 | ||
752fde44 ACM |
230 | if (thread == NULL) |
231 | goto fail; | |
232 | ||
233 | if (thread->priv == NULL) | |
234 | thread->priv = thread_trace__new(); | |
efd5745e | 235 | |
752fde44 ACM |
236 | if (thread->priv == NULL) |
237 | goto fail; | |
238 | ||
efd5745e ACM |
239 | ttrace = thread->priv; |
240 | ++ttrace->nr_events; | |
241 | ||
242 | return ttrace; | |
752fde44 | 243 | fail: |
c24ff998 | 244 | color_fprintf(fp, PERF_COLOR_RED, |
752fde44 ACM |
245 | "WARNING: not enough memory, dropping samples!\n"); |
246 | return NULL; | |
247 | } | |
248 | ||
514f1c67 | 249 | struct trace { |
c24ff998 | 250 | struct perf_tool tool; |
514f1c67 ACM |
251 | int audit_machine; |
252 | struct { | |
253 | int max; | |
254 | struct syscall *table; | |
255 | } syscalls; | |
256 | struct perf_record_opts opts; | |
752fde44 ACM |
257 | struct machine host; |
258 | u64 base_time; | |
c24ff998 | 259 | FILE *output; |
efd5745e | 260 | unsigned long nr_events; |
b059efdf ACM |
261 | struct strlist *ev_qualifier; |
262 | bool not_ev_qualifier; | |
bdc89661 DA |
263 | struct intlist *tid_list; |
264 | struct intlist *pid_list; | |
1302d88e | 265 | bool sched; |
752fde44 | 266 | bool multiple_threads; |
ae9ed035 | 267 | double duration_filter; |
1302d88e | 268 | double runtime_ms; |
514f1c67 ACM |
269 | }; |
270 | ||
ae9ed035 ACM |
271 | static bool trace__filter_duration(struct trace *trace, double t) |
272 | { | |
273 | return t < (trace->duration_filter * NSEC_PER_MSEC); | |
274 | } | |
275 | ||
752fde44 ACM |
276 | static size_t trace__fprintf_tstamp(struct trace *trace, u64 tstamp, FILE *fp) |
277 | { | |
278 | double ts = (double)(tstamp - trace->base_time) / NSEC_PER_MSEC; | |
279 | ||
60c907ab | 280 | return fprintf(fp, "%10.3f ", ts); |
752fde44 ACM |
281 | } |
282 | ||
f15eb531 NK |
283 | static bool done = false; |
284 | ||
285 | static void sig_handler(int sig __maybe_unused) | |
286 | { | |
287 | done = true; | |
288 | } | |
289 | ||
752fde44 | 290 | static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread, |
60c907ab | 291 | u64 duration, u64 tstamp, FILE *fp) |
752fde44 ACM |
292 | { |
293 | size_t printed = trace__fprintf_tstamp(trace, tstamp, fp); | |
60c907ab | 294 | printed += fprintf_duration(duration, fp); |
752fde44 ACM |
295 | |
296 | if (trace->multiple_threads) | |
38051234 | 297 | printed += fprintf(fp, "%d ", thread->tid); |
752fde44 ACM |
298 | |
299 | return printed; | |
300 | } | |
301 | ||
c24ff998 ACM |
302 | static int trace__process_event(struct trace *trace, struct machine *machine, |
303 | union perf_event *event) | |
752fde44 ACM |
304 | { |
305 | int ret = 0; | |
306 | ||
307 | switch (event->header.type) { | |
308 | case PERF_RECORD_LOST: | |
c24ff998 | 309 | color_fprintf(trace->output, PERF_COLOR_RED, |
752fde44 ACM |
310 | "LOST %" PRIu64 " events!\n", event->lost.lost); |
311 | ret = machine__process_lost_event(machine, event); | |
312 | default: | |
313 | ret = machine__process_event(machine, event); | |
314 | break; | |
315 | } | |
316 | ||
317 | return ret; | |
318 | } | |
319 | ||
c24ff998 | 320 | static int trace__tool_process(struct perf_tool *tool, |
752fde44 ACM |
321 | union perf_event *event, |
322 | struct perf_sample *sample __maybe_unused, | |
323 | struct machine *machine) | |
324 | { | |
c24ff998 ACM |
325 | struct trace *trace = container_of(tool, struct trace, tool); |
326 | return trace__process_event(trace, machine, event); | |
752fde44 ACM |
327 | } |
328 | ||
329 | static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist) | |
330 | { | |
331 | int err = symbol__init(); | |
332 | ||
333 | if (err) | |
334 | return err; | |
335 | ||
336 | machine__init(&trace->host, "", HOST_KERNEL_ID); | |
337 | machine__create_kernel_maps(&trace->host); | |
338 | ||
339 | if (perf_target__has_task(&trace->opts.target)) { | |
c24ff998 | 340 | err = perf_event__synthesize_thread_map(&trace->tool, evlist->threads, |
752fde44 ACM |
341 | trace__tool_process, |
342 | &trace->host); | |
343 | } else { | |
c24ff998 | 344 | err = perf_event__synthesize_threads(&trace->tool, trace__tool_process, |
752fde44 ACM |
345 | &trace->host); |
346 | } | |
347 | ||
348 | if (err) | |
349 | symbol__exit(); | |
350 | ||
351 | return err; | |
352 | } | |
353 | ||
13d4ff3e ACM |
354 | static int syscall__set_arg_fmts(struct syscall *sc) |
355 | { | |
356 | struct format_field *field; | |
357 | int idx = 0; | |
358 | ||
359 | sc->arg_scnprintf = calloc(sc->tp_format->format.nr_fields - 1, sizeof(void *)); | |
360 | if (sc->arg_scnprintf == NULL) | |
361 | return -1; | |
362 | ||
363 | for (field = sc->tp_format->format.fields->next; field; field = field->next) { | |
beccb2b5 ACM |
364 | if (sc->fmt && sc->fmt->arg_scnprintf[idx]) |
365 | sc->arg_scnprintf[idx] = sc->fmt->arg_scnprintf[idx]; | |
366 | else if (field->flags & FIELD_IS_POINTER) | |
13d4ff3e ACM |
367 | sc->arg_scnprintf[idx] = syscall_arg__scnprintf_hex; |
368 | ++idx; | |
369 | } | |
370 | ||
371 | return 0; | |
372 | } | |
373 | ||
514f1c67 ACM |
374 | static int trace__read_syscall_info(struct trace *trace, int id) |
375 | { | |
376 | char tp_name[128]; | |
377 | struct syscall *sc; | |
3a531260 ACM |
378 | const char *name = audit_syscall_to_name(id, trace->audit_machine); |
379 | ||
380 | if (name == NULL) | |
381 | return -1; | |
514f1c67 ACM |
382 | |
383 | if (id > trace->syscalls.max) { | |
384 | struct syscall *nsyscalls = realloc(trace->syscalls.table, (id + 1) * sizeof(*sc)); | |
385 | ||
386 | if (nsyscalls == NULL) | |
387 | return -1; | |
388 | ||
389 | if (trace->syscalls.max != -1) { | |
390 | memset(nsyscalls + trace->syscalls.max + 1, 0, | |
391 | (id - trace->syscalls.max) * sizeof(*sc)); | |
392 | } else { | |
393 | memset(nsyscalls, 0, (id + 1) * sizeof(*sc)); | |
394 | } | |
395 | ||
396 | trace->syscalls.table = nsyscalls; | |
397 | trace->syscalls.max = id; | |
398 | } | |
399 | ||
400 | sc = trace->syscalls.table + id; | |
3a531260 | 401 | sc->name = name; |
2ae3a312 | 402 | |
b059efdf ACM |
403 | if (trace->ev_qualifier) { |
404 | bool in = strlist__find(trace->ev_qualifier, name) != NULL; | |
405 | ||
406 | if (!(in ^ trace->not_ev_qualifier)) { | |
407 | sc->filtered = true; | |
408 | /* | |
409 | * No need to do read tracepoint information since this will be | |
410 | * filtered out. | |
411 | */ | |
412 | return 0; | |
413 | } | |
2ae3a312 ACM |
414 | } |
415 | ||
3a531260 | 416 | sc->fmt = syscall_fmt__find(sc->name); |
514f1c67 | 417 | |
aec1930b | 418 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name); |
514f1c67 | 419 | sc->tp_format = event_format__new("syscalls", tp_name); |
aec1930b ACM |
420 | |
421 | if (sc->tp_format == NULL && sc->fmt && sc->fmt->alias) { | |
422 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->fmt->alias); | |
423 | sc->tp_format = event_format__new("syscalls", tp_name); | |
424 | } | |
514f1c67 | 425 | |
13d4ff3e ACM |
426 | if (sc->tp_format == NULL) |
427 | return -1; | |
428 | ||
429 | return syscall__set_arg_fmts(sc); | |
514f1c67 ACM |
430 | } |
431 | ||
752fde44 ACM |
432 | static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, |
433 | unsigned long *args) | |
514f1c67 ACM |
434 | { |
435 | int i = 0; | |
436 | size_t printed = 0; | |
437 | ||
438 | if (sc->tp_format != NULL) { | |
439 | struct format_field *field; | |
440 | ||
441 | for (field = sc->tp_format->format.fields->next; field; field = field->next) { | |
752fde44 | 442 | printed += scnprintf(bf + printed, size - printed, |
13d4ff3e ACM |
443 | "%s%s: ", printed ? ", " : "", field->name); |
444 | ||
445 | if (sc->arg_scnprintf && sc->arg_scnprintf[i]) | |
446 | printed += sc->arg_scnprintf[i](bf + printed, size - printed, args[i]); | |
447 | else | |
448 | printed += scnprintf(bf + printed, size - printed, | |
449 | "%ld", args[i]); | |
450 | ++i; | |
514f1c67 ACM |
451 | } |
452 | } else { | |
453 | while (i < 6) { | |
752fde44 ACM |
454 | printed += scnprintf(bf + printed, size - printed, |
455 | "%sarg%d: %ld", | |
456 | printed ? ", " : "", i, args[i]); | |
514f1c67 ACM |
457 | ++i; |
458 | } | |
459 | } | |
460 | ||
461 | return printed; | |
462 | } | |
463 | ||
ba3d7dee ACM |
464 | typedef int (*tracepoint_handler)(struct trace *trace, struct perf_evsel *evsel, |
465 | struct perf_sample *sample); | |
466 | ||
467 | static struct syscall *trace__syscall_info(struct trace *trace, | |
468 | struct perf_evsel *evsel, | |
469 | struct perf_sample *sample) | |
470 | { | |
471 | int id = perf_evsel__intval(evsel, sample, "id"); | |
472 | ||
473 | if (id < 0) { | |
adaa18bf ACM |
474 | |
475 | /* | |
476 | * XXX: Noticed on x86_64, reproduced as far back as 3.0.36, haven't tried | |
477 | * before that, leaving at a higher verbosity level till that is | |
478 | * explained. Reproduced with plain ftrace with: | |
479 | * | |
480 | * echo 1 > /t/events/raw_syscalls/sys_exit/enable | |
481 | * grep "NR -1 " /t/trace_pipe | |
482 | * | |
483 | * After generating some load on the machine. | |
484 | */ | |
485 | if (verbose > 1) { | |
486 | static u64 n; | |
487 | fprintf(trace->output, "Invalid syscall %d id, skipping (%s, %" PRIu64 ") ...\n", | |
488 | id, perf_evsel__name(evsel), ++n); | |
489 | } | |
ba3d7dee ACM |
490 | return NULL; |
491 | } | |
492 | ||
493 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL) && | |
494 | trace__read_syscall_info(trace, id)) | |
495 | goto out_cant_read; | |
496 | ||
497 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL)) | |
498 | goto out_cant_read; | |
499 | ||
500 | return &trace->syscalls.table[id]; | |
501 | ||
502 | out_cant_read: | |
7c304ee0 ACM |
503 | if (verbose) { |
504 | fprintf(trace->output, "Problems reading syscall %d", id); | |
505 | if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL) | |
506 | fprintf(trace->output, "(%s)", trace->syscalls.table[id].name); | |
507 | fputs(" information\n", trace->output); | |
508 | } | |
ba3d7dee ACM |
509 | return NULL; |
510 | } | |
511 | ||
512 | static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel, | |
513 | struct perf_sample *sample) | |
514 | { | |
752fde44 | 515 | char *msg; |
ba3d7dee | 516 | void *args; |
752fde44 | 517 | size_t printed = 0; |
2ae3a312 | 518 | struct thread *thread; |
ba3d7dee | 519 | struct syscall *sc = trace__syscall_info(trace, evsel, sample); |
2ae3a312 ACM |
520 | struct thread_trace *ttrace; |
521 | ||
522 | if (sc == NULL) | |
523 | return -1; | |
ba3d7dee | 524 | |
2ae3a312 ACM |
525 | if (sc->filtered) |
526 | return 0; | |
527 | ||
314add6b AH |
528 | thread = machine__findnew_thread(&trace->host, sample->pid, |
529 | sample->tid); | |
c24ff998 | 530 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 531 | if (ttrace == NULL) |
ba3d7dee ACM |
532 | return -1; |
533 | ||
534 | args = perf_evsel__rawptr(evsel, sample, "args"); | |
535 | if (args == NULL) { | |
c24ff998 | 536 | fprintf(trace->output, "Problems reading syscall arguments\n"); |
ba3d7dee ACM |
537 | return -1; |
538 | } | |
539 | ||
752fde44 ACM |
540 | ttrace = thread->priv; |
541 | ||
542 | if (ttrace->entry_str == NULL) { | |
543 | ttrace->entry_str = malloc(1024); | |
544 | if (!ttrace->entry_str) | |
545 | return -1; | |
546 | } | |
547 | ||
548 | ttrace->entry_time = sample->time; | |
549 | msg = ttrace->entry_str; | |
550 | printed += scnprintf(msg + printed, 1024 - printed, "%s(", sc->name); | |
551 | ||
552 | printed += syscall__scnprintf_args(sc, msg + printed, 1024 - printed, args); | |
553 | ||
554 | if (!strcmp(sc->name, "exit_group") || !strcmp(sc->name, "exit")) { | |
ae9ed035 | 555 | if (!trace->duration_filter) { |
c24ff998 ACM |
556 | trace__fprintf_entry_head(trace, thread, 1, sample->time, trace->output); |
557 | fprintf(trace->output, "%-70s\n", ttrace->entry_str); | |
ae9ed035 | 558 | } |
752fde44 ACM |
559 | } else |
560 | ttrace->entry_pending = true; | |
ba3d7dee ACM |
561 | |
562 | return 0; | |
563 | } | |
564 | ||
565 | static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, | |
566 | struct perf_sample *sample) | |
567 | { | |
568 | int ret; | |
60c907ab | 569 | u64 duration = 0; |
2ae3a312 | 570 | struct thread *thread; |
ba3d7dee | 571 | struct syscall *sc = trace__syscall_info(trace, evsel, sample); |
2ae3a312 ACM |
572 | struct thread_trace *ttrace; |
573 | ||
574 | if (sc == NULL) | |
575 | return -1; | |
ba3d7dee | 576 | |
2ae3a312 ACM |
577 | if (sc->filtered) |
578 | return 0; | |
579 | ||
314add6b AH |
580 | thread = machine__findnew_thread(&trace->host, sample->pid, |
581 | sample->tid); | |
c24ff998 | 582 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 583 | if (ttrace == NULL) |
ba3d7dee ACM |
584 | return -1; |
585 | ||
586 | ret = perf_evsel__intval(evsel, sample, "ret"); | |
587 | ||
752fde44 ACM |
588 | ttrace = thread->priv; |
589 | ||
590 | ttrace->exit_time = sample->time; | |
591 | ||
ae9ed035 | 592 | if (ttrace->entry_time) { |
60c907ab | 593 | duration = sample->time - ttrace->entry_time; |
ae9ed035 ACM |
594 | if (trace__filter_duration(trace, duration)) |
595 | goto out; | |
596 | } else if (trace->duration_filter) | |
597 | goto out; | |
60c907ab | 598 | |
c24ff998 | 599 | trace__fprintf_entry_head(trace, thread, duration, sample->time, trace->output); |
752fde44 ACM |
600 | |
601 | if (ttrace->entry_pending) { | |
c24ff998 | 602 | fprintf(trace->output, "%-70s", ttrace->entry_str); |
752fde44 | 603 | } else { |
c24ff998 ACM |
604 | fprintf(trace->output, " ... ["); |
605 | color_fprintf(trace->output, PERF_COLOR_YELLOW, "continued"); | |
606 | fprintf(trace->output, "]: %s()", sc->name); | |
752fde44 ACM |
607 | } |
608 | ||
da3c9a44 ACM |
609 | if (sc->fmt == NULL) { |
610 | signed_print: | |
611 | fprintf(trace->output, ") = %d", ret); | |
612 | } else if (ret < 0 && sc->fmt->errmsg) { | |
ba3d7dee ACM |
613 | char bf[256]; |
614 | const char *emsg = strerror_r(-ret, bf, sizeof(bf)), | |
615 | *e = audit_errno_to_name(-ret); | |
616 | ||
c24ff998 | 617 | fprintf(trace->output, ") = -1 %s %s", e, emsg); |
da3c9a44 | 618 | } else if (ret == 0 && sc->fmt->timeout) |
c24ff998 | 619 | fprintf(trace->output, ") = 0 Timeout"); |
04b34729 ACM |
620 | else if (sc->fmt->hexret) |
621 | fprintf(trace->output, ") = %#x", ret); | |
ba3d7dee | 622 | else |
da3c9a44 | 623 | goto signed_print; |
ba3d7dee | 624 | |
c24ff998 | 625 | fputc('\n', trace->output); |
ae9ed035 | 626 | out: |
752fde44 ACM |
627 | ttrace->entry_pending = false; |
628 | ||
ba3d7dee ACM |
629 | return 0; |
630 | } | |
631 | ||
1302d88e ACM |
632 | static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel, |
633 | struct perf_sample *sample) | |
634 | { | |
635 | u64 runtime = perf_evsel__intval(evsel, sample, "runtime"); | |
636 | double runtime_ms = (double)runtime / NSEC_PER_MSEC; | |
314add6b AH |
637 | struct thread *thread = machine__findnew_thread(&trace->host, |
638 | sample->pid, | |
639 | sample->tid); | |
c24ff998 | 640 | struct thread_trace *ttrace = thread__trace(thread, trace->output); |
1302d88e ACM |
641 | |
642 | if (ttrace == NULL) | |
643 | goto out_dump; | |
644 | ||
645 | ttrace->runtime_ms += runtime_ms; | |
646 | trace->runtime_ms += runtime_ms; | |
647 | return 0; | |
648 | ||
649 | out_dump: | |
c24ff998 | 650 | fprintf(trace->output, "%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n", |
1302d88e ACM |
651 | evsel->name, |
652 | perf_evsel__strval(evsel, sample, "comm"), | |
653 | (pid_t)perf_evsel__intval(evsel, sample, "pid"), | |
654 | runtime, | |
655 | perf_evsel__intval(evsel, sample, "vruntime")); | |
656 | return 0; | |
657 | } | |
658 | ||
bdc89661 DA |
659 | static bool skip_sample(struct trace *trace, struct perf_sample *sample) |
660 | { | |
661 | if ((trace->pid_list && intlist__find(trace->pid_list, sample->pid)) || | |
662 | (trace->tid_list && intlist__find(trace->tid_list, sample->tid))) | |
663 | return false; | |
664 | ||
665 | if (trace->pid_list || trace->tid_list) | |
666 | return true; | |
667 | ||
668 | return false; | |
669 | } | |
670 | ||
6810fc91 DA |
671 | static int trace__process_sample(struct perf_tool *tool, |
672 | union perf_event *event __maybe_unused, | |
673 | struct perf_sample *sample, | |
674 | struct perf_evsel *evsel, | |
675 | struct machine *machine __maybe_unused) | |
676 | { | |
677 | struct trace *trace = container_of(tool, struct trace, tool); | |
678 | int err = 0; | |
679 | ||
680 | tracepoint_handler handler = evsel->handler.func; | |
681 | ||
bdc89661 DA |
682 | if (skip_sample(trace, sample)) |
683 | return 0; | |
684 | ||
6810fc91 DA |
685 | if (trace->base_time == 0) |
686 | trace->base_time = sample->time; | |
687 | ||
688 | if (handler) | |
689 | handler(trace, evsel, sample); | |
690 | ||
691 | return err; | |
692 | } | |
693 | ||
694 | static bool | |
695 | perf_session__has_tp(struct perf_session *session, const char *name) | |
696 | { | |
697 | struct perf_evsel *evsel; | |
698 | ||
699 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, name); | |
700 | ||
701 | return evsel != NULL; | |
702 | } | |
703 | ||
bdc89661 DA |
704 | static int parse_target_str(struct trace *trace) |
705 | { | |
706 | if (trace->opts.target.pid) { | |
707 | trace->pid_list = intlist__new(trace->opts.target.pid); | |
708 | if (trace->pid_list == NULL) { | |
709 | pr_err("Error parsing process id string\n"); | |
710 | return -EINVAL; | |
711 | } | |
712 | } | |
713 | ||
714 | if (trace->opts.target.tid) { | |
715 | trace->tid_list = intlist__new(trace->opts.target.tid); | |
716 | if (trace->tid_list == NULL) { | |
717 | pr_err("Error parsing thread id string\n"); | |
718 | return -EINVAL; | |
719 | } | |
720 | } | |
721 | ||
722 | return 0; | |
723 | } | |
724 | ||
f15eb531 | 725 | static int trace__run(struct trace *trace, int argc, const char **argv) |
514f1c67 | 726 | { |
334fe7a3 | 727 | struct perf_evlist *evlist = perf_evlist__new(); |
ba3d7dee | 728 | struct perf_evsel *evsel; |
efd5745e ACM |
729 | int err = -1, i; |
730 | unsigned long before; | |
f15eb531 | 731 | const bool forks = argc > 0; |
514f1c67 ACM |
732 | |
733 | if (evlist == NULL) { | |
c24ff998 | 734 | fprintf(trace->output, "Not enough memory to run!\n"); |
514f1c67 ACM |
735 | goto out; |
736 | } | |
737 | ||
39876e7d ACM |
738 | if (perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_enter", trace__sys_enter) || |
739 | perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_exit", trace__sys_exit)) { | |
c24ff998 | 740 | fprintf(trace->output, "Couldn't read the raw_syscalls tracepoints information!\n"); |
514f1c67 ACM |
741 | goto out_delete_evlist; |
742 | } | |
743 | ||
1302d88e ACM |
744 | if (trace->sched && |
745 | perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime", | |
746 | trace__sched_stat_runtime)) { | |
c24ff998 | 747 | fprintf(trace->output, "Couldn't read the sched_stat_runtime tracepoint information!\n"); |
1302d88e ACM |
748 | goto out_delete_evlist; |
749 | } | |
750 | ||
514f1c67 ACM |
751 | err = perf_evlist__create_maps(evlist, &trace->opts.target); |
752 | if (err < 0) { | |
c24ff998 | 753 | fprintf(trace->output, "Problems parsing the target to trace, check your options!\n"); |
514f1c67 ACM |
754 | goto out_delete_evlist; |
755 | } | |
756 | ||
752fde44 ACM |
757 | err = trace__symbols_init(trace, evlist); |
758 | if (err < 0) { | |
c24ff998 | 759 | fprintf(trace->output, "Problems initializing symbol libraries!\n"); |
3beb0861 | 760 | goto out_delete_maps; |
752fde44 ACM |
761 | } |
762 | ||
f77a9518 | 763 | perf_evlist__config(evlist, &trace->opts); |
514f1c67 | 764 | |
f15eb531 NK |
765 | signal(SIGCHLD, sig_handler); |
766 | signal(SIGINT, sig_handler); | |
767 | ||
768 | if (forks) { | |
6ef73ec4 | 769 | err = perf_evlist__prepare_workload(evlist, &trace->opts.target, |
55e162ea | 770 | argv, false, false); |
f15eb531 | 771 | if (err < 0) { |
c24ff998 | 772 | fprintf(trace->output, "Couldn't run the workload!\n"); |
3beb0861 | 773 | goto out_delete_maps; |
f15eb531 NK |
774 | } |
775 | } | |
776 | ||
514f1c67 ACM |
777 | err = perf_evlist__open(evlist); |
778 | if (err < 0) { | |
c24ff998 | 779 | fprintf(trace->output, "Couldn't create the events: %s\n", strerror(errno)); |
3beb0861 | 780 | goto out_delete_maps; |
514f1c67 ACM |
781 | } |
782 | ||
783 | err = perf_evlist__mmap(evlist, UINT_MAX, false); | |
784 | if (err < 0) { | |
c24ff998 | 785 | fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno)); |
3beb0861 | 786 | goto out_close_evlist; |
514f1c67 ACM |
787 | } |
788 | ||
789 | perf_evlist__enable(evlist); | |
f15eb531 NK |
790 | |
791 | if (forks) | |
792 | perf_evlist__start_workload(evlist); | |
793 | ||
752fde44 | 794 | trace->multiple_threads = evlist->threads->map[0] == -1 || evlist->threads->nr > 1; |
514f1c67 | 795 | again: |
efd5745e | 796 | before = trace->nr_events; |
514f1c67 ACM |
797 | |
798 | for (i = 0; i < evlist->nr_mmaps; i++) { | |
799 | union perf_event *event; | |
800 | ||
801 | while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { | |
802 | const u32 type = event->header.type; | |
ba3d7dee | 803 | tracepoint_handler handler; |
514f1c67 | 804 | struct perf_sample sample; |
514f1c67 | 805 | |
efd5745e | 806 | ++trace->nr_events; |
514f1c67 | 807 | |
514f1c67 ACM |
808 | err = perf_evlist__parse_sample(evlist, event, &sample); |
809 | if (err) { | |
c24ff998 | 810 | fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err); |
514f1c67 ACM |
811 | continue; |
812 | } | |
813 | ||
752fde44 ACM |
814 | if (trace->base_time == 0) |
815 | trace->base_time = sample.time; | |
816 | ||
817 | if (type != PERF_RECORD_SAMPLE) { | |
c24ff998 | 818 | trace__process_event(trace, &trace->host, event); |
752fde44 ACM |
819 | continue; |
820 | } | |
821 | ||
514f1c67 ACM |
822 | evsel = perf_evlist__id2evsel(evlist, sample.id); |
823 | if (evsel == NULL) { | |
c24ff998 | 824 | fprintf(trace->output, "Unknown tp ID %" PRIu64 ", skipping...\n", sample.id); |
514f1c67 ACM |
825 | continue; |
826 | } | |
827 | ||
fc551f8d | 828 | if (sample.raw_data == NULL) { |
c24ff998 | 829 | fprintf(trace->output, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n", |
fc551f8d ACM |
830 | perf_evsel__name(evsel), sample.tid, |
831 | sample.cpu, sample.raw_size); | |
832 | continue; | |
833 | } | |
834 | ||
ba3d7dee ACM |
835 | handler = evsel->handler.func; |
836 | handler(trace, evsel, &sample); | |
514f1c67 ACM |
837 | } |
838 | } | |
839 | ||
efd5745e | 840 | if (trace->nr_events == before) { |
f15eb531 | 841 | if (done) |
3beb0861 | 842 | goto out_unmap_evlist; |
f15eb531 | 843 | |
514f1c67 | 844 | poll(evlist->pollfd, evlist->nr_fds, -1); |
f15eb531 NK |
845 | } |
846 | ||
847 | if (done) | |
848 | perf_evlist__disable(evlist); | |
514f1c67 ACM |
849 | |
850 | goto again; | |
851 | ||
3beb0861 NK |
852 | out_unmap_evlist: |
853 | perf_evlist__munmap(evlist); | |
854 | out_close_evlist: | |
855 | perf_evlist__close(evlist); | |
856 | out_delete_maps: | |
857 | perf_evlist__delete_maps(evlist); | |
514f1c67 ACM |
858 | out_delete_evlist: |
859 | perf_evlist__delete(evlist); | |
860 | out: | |
861 | return err; | |
862 | } | |
863 | ||
6810fc91 DA |
864 | static int trace__replay(struct trace *trace) |
865 | { | |
866 | const struct perf_evsel_str_handler handlers[] = { | |
867 | { "raw_syscalls:sys_enter", trace__sys_enter, }, | |
868 | { "raw_syscalls:sys_exit", trace__sys_exit, }, | |
869 | }; | |
870 | ||
871 | struct perf_session *session; | |
872 | int err = -1; | |
873 | ||
874 | trace->tool.sample = trace__process_sample; | |
875 | trace->tool.mmap = perf_event__process_mmap; | |
876 | trace->tool.comm = perf_event__process_comm; | |
877 | trace->tool.exit = perf_event__process_exit; | |
878 | trace->tool.fork = perf_event__process_fork; | |
879 | trace->tool.attr = perf_event__process_attr; | |
880 | trace->tool.tracing_data = perf_event__process_tracing_data; | |
881 | trace->tool.build_id = perf_event__process_build_id; | |
882 | ||
883 | trace->tool.ordered_samples = true; | |
884 | trace->tool.ordering_requires_timestamps = true; | |
885 | ||
886 | /* add tid to output */ | |
887 | trace->multiple_threads = true; | |
888 | ||
889 | if (symbol__init() < 0) | |
890 | return -1; | |
891 | ||
892 | session = perf_session__new(input_name, O_RDONLY, 0, false, | |
893 | &trace->tool); | |
894 | if (session == NULL) | |
895 | return -ENOMEM; | |
896 | ||
897 | err = perf_session__set_tracepoints_handlers(session, handlers); | |
898 | if (err) | |
899 | goto out; | |
900 | ||
901 | if (!perf_session__has_tp(session, "raw_syscalls:sys_enter")) { | |
902 | pr_err("Data file does not have raw_syscalls:sys_enter events\n"); | |
903 | goto out; | |
904 | } | |
905 | ||
906 | if (!perf_session__has_tp(session, "raw_syscalls:sys_exit")) { | |
907 | pr_err("Data file does not have raw_syscalls:sys_exit events\n"); | |
908 | goto out; | |
909 | } | |
910 | ||
bdc89661 DA |
911 | err = parse_target_str(trace); |
912 | if (err != 0) | |
913 | goto out; | |
914 | ||
6810fc91 DA |
915 | setup_pager(); |
916 | ||
917 | err = perf_session__process_events(session, &trace->tool); | |
918 | if (err) | |
919 | pr_err("Failed to process events, error %d", err); | |
920 | ||
921 | out: | |
922 | perf_session__delete(session); | |
923 | ||
924 | return err; | |
925 | } | |
926 | ||
1302d88e ACM |
927 | static size_t trace__fprintf_threads_header(FILE *fp) |
928 | { | |
929 | size_t printed; | |
930 | ||
931 | printed = fprintf(fp, "\n _____________________________________________________________________\n"); | |
932 | printed += fprintf(fp," __) Summary of events (__\n\n"); | |
933 | printed += fprintf(fp," [ task - pid ] [ events ] [ ratio ] [ runtime ]\n"); | |
934 | printed += fprintf(fp," _____________________________________________________________________\n\n"); | |
935 | ||
936 | return printed; | |
937 | } | |
938 | ||
939 | static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp) | |
940 | { | |
941 | size_t printed = trace__fprintf_threads_header(fp); | |
942 | struct rb_node *nd; | |
943 | ||
944 | for (nd = rb_first(&trace->host.threads); nd; nd = rb_next(nd)) { | |
945 | struct thread *thread = rb_entry(nd, struct thread, rb_node); | |
946 | struct thread_trace *ttrace = thread->priv; | |
947 | const char *color; | |
948 | double ratio; | |
949 | ||
950 | if (ttrace == NULL) | |
951 | continue; | |
952 | ||
953 | ratio = (double)ttrace->nr_events / trace->nr_events * 100.0; | |
954 | ||
955 | color = PERF_COLOR_NORMAL; | |
956 | if (ratio > 50.0) | |
957 | color = PERF_COLOR_RED; | |
958 | else if (ratio > 25.0) | |
959 | color = PERF_COLOR_GREEN; | |
960 | else if (ratio > 5.0) | |
961 | color = PERF_COLOR_YELLOW; | |
962 | ||
963 | printed += color_fprintf(fp, color, "%20s", thread->comm); | |
38051234 | 964 | printed += fprintf(fp, " - %-5d :%11lu [", thread->tid, ttrace->nr_events); |
1302d88e ACM |
965 | printed += color_fprintf(fp, color, "%5.1f%%", ratio); |
966 | printed += fprintf(fp, " ] %10.3f ms\n", ttrace->runtime_ms); | |
967 | } | |
968 | ||
969 | return printed; | |
970 | } | |
971 | ||
ae9ed035 ACM |
972 | static int trace__set_duration(const struct option *opt, const char *str, |
973 | int unset __maybe_unused) | |
974 | { | |
975 | struct trace *trace = opt->value; | |
976 | ||
977 | trace->duration_filter = atof(str); | |
978 | return 0; | |
979 | } | |
980 | ||
c24ff998 ACM |
981 | static int trace__open_output(struct trace *trace, const char *filename) |
982 | { | |
983 | struct stat st; | |
984 | ||
985 | if (!stat(filename, &st) && st.st_size) { | |
986 | char oldname[PATH_MAX]; | |
987 | ||
988 | scnprintf(oldname, sizeof(oldname), "%s.old", filename); | |
989 | unlink(oldname); | |
990 | rename(filename, oldname); | |
991 | } | |
992 | ||
993 | trace->output = fopen(filename, "w"); | |
994 | ||
995 | return trace->output == NULL ? -errno : 0; | |
996 | } | |
997 | ||
514f1c67 ACM |
998 | int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) |
999 | { | |
1000 | const char * const trace_usage[] = { | |
f15eb531 NK |
1001 | "perf trace [<options>] [<command>]", |
1002 | "perf trace [<options>] -- <command> [<options>]", | |
514f1c67 ACM |
1003 | NULL |
1004 | }; | |
1005 | struct trace trace = { | |
1006 | .audit_machine = audit_detect_machine(), | |
1007 | .syscalls = { | |
1008 | . max = -1, | |
1009 | }, | |
1010 | .opts = { | |
1011 | .target = { | |
1012 | .uid = UINT_MAX, | |
1013 | .uses_mmap = true, | |
1014 | }, | |
1015 | .user_freq = UINT_MAX, | |
1016 | .user_interval = ULLONG_MAX, | |
1017 | .no_delay = true, | |
1018 | .mmap_pages = 1024, | |
1019 | }, | |
c24ff998 | 1020 | .output = stdout, |
514f1c67 | 1021 | }; |
c24ff998 | 1022 | const char *output_name = NULL; |
2ae3a312 | 1023 | const char *ev_qualifier_str = NULL; |
514f1c67 | 1024 | const struct option trace_options[] = { |
2ae3a312 ACM |
1025 | OPT_STRING('e', "expr", &ev_qualifier_str, "expr", |
1026 | "list of events to trace"), | |
c24ff998 | 1027 | OPT_STRING('o', "output", &output_name, "file", "output file name"), |
6810fc91 | 1028 | OPT_STRING('i', "input", &input_name, "file", "Analyze events in file"), |
514f1c67 ACM |
1029 | OPT_STRING('p', "pid", &trace.opts.target.pid, "pid", |
1030 | "trace events on existing process id"), | |
ac9be8ee | 1031 | OPT_STRING('t', "tid", &trace.opts.target.tid, "tid", |
514f1c67 | 1032 | "trace events on existing thread id"), |
ac9be8ee | 1033 | OPT_BOOLEAN('a', "all-cpus", &trace.opts.target.system_wide, |
514f1c67 | 1034 | "system-wide collection from all CPUs"), |
ac9be8ee | 1035 | OPT_STRING('C', "cpu", &trace.opts.target.cpu_list, "cpu", |
514f1c67 | 1036 | "list of cpus to monitor"), |
6810fc91 | 1037 | OPT_BOOLEAN(0, "no-inherit", &trace.opts.no_inherit, |
514f1c67 | 1038 | "child tasks do not inherit counters"), |
ac9be8ee | 1039 | OPT_UINTEGER('m', "mmap-pages", &trace.opts.mmap_pages, |
514f1c67 | 1040 | "number of mmap data pages"), |
ac9be8ee | 1041 | OPT_STRING('u', "uid", &trace.opts.target.uid_str, "user", |
514f1c67 | 1042 | "user to profile"), |
ae9ed035 ACM |
1043 | OPT_CALLBACK(0, "duration", &trace, "float", |
1044 | "show only events with duration > N.M ms", | |
1045 | trace__set_duration), | |
1302d88e | 1046 | OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"), |
7c304ee0 | 1047 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), |
514f1c67 ACM |
1048 | OPT_END() |
1049 | }; | |
1050 | int err; | |
32caf0d1 | 1051 | char bf[BUFSIZ]; |
514f1c67 ACM |
1052 | |
1053 | argc = parse_options(argc, argv, trace_options, trace_usage, 0); | |
514f1c67 | 1054 | |
c24ff998 ACM |
1055 | if (output_name != NULL) { |
1056 | err = trace__open_output(&trace, output_name); | |
1057 | if (err < 0) { | |
1058 | perror("failed to create output file"); | |
1059 | goto out; | |
1060 | } | |
1061 | } | |
1062 | ||
2ae3a312 | 1063 | if (ev_qualifier_str != NULL) { |
b059efdf ACM |
1064 | const char *s = ev_qualifier_str; |
1065 | ||
1066 | trace.not_ev_qualifier = *s == '!'; | |
1067 | if (trace.not_ev_qualifier) | |
1068 | ++s; | |
1069 | trace.ev_qualifier = strlist__new(true, s); | |
2ae3a312 | 1070 | if (trace.ev_qualifier == NULL) { |
c24ff998 ACM |
1071 | fputs("Not enough memory to parse event qualifier", |
1072 | trace.output); | |
1073 | err = -ENOMEM; | |
1074 | goto out_close; | |
2ae3a312 ACM |
1075 | } |
1076 | } | |
1077 | ||
32caf0d1 NK |
1078 | err = perf_target__validate(&trace.opts.target); |
1079 | if (err) { | |
1080 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); | |
c24ff998 ACM |
1081 | fprintf(trace.output, "%s", bf); |
1082 | goto out_close; | |
32caf0d1 NK |
1083 | } |
1084 | ||
514f1c67 ACM |
1085 | err = perf_target__parse_uid(&trace.opts.target); |
1086 | if (err) { | |
514f1c67 | 1087 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); |
c24ff998 ACM |
1088 | fprintf(trace.output, "%s", bf); |
1089 | goto out_close; | |
514f1c67 ACM |
1090 | } |
1091 | ||
f15eb531 | 1092 | if (!argc && perf_target__none(&trace.opts.target)) |
ee76120e NK |
1093 | trace.opts.target.system_wide = true; |
1094 | ||
6810fc91 DA |
1095 | if (input_name) |
1096 | err = trace__replay(&trace); | |
1097 | else | |
1098 | err = trace__run(&trace, argc, argv); | |
1302d88e ACM |
1099 | |
1100 | if (trace.sched && !err) | |
c24ff998 | 1101 | trace__fprintf_thread_summary(&trace, trace.output); |
1302d88e | 1102 | |
c24ff998 ACM |
1103 | out_close: |
1104 | if (output_name != NULL) | |
1105 | fclose(trace.output); | |
1106 | out: | |
1302d88e | 1107 | return err; |
514f1c67 | 1108 | } |