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 | |
6e7eeb51 ACM |
18 | static size_t syscall_arg__scnprintf_hex(char *bf, size_t size, |
19 | unsigned long arg, u8 *arg_mask __maybe_unused) | |
13d4ff3e ACM |
20 | { |
21 | return scnprintf(bf, size, "%#lx", arg); | |
22 | } | |
23 | ||
beccb2b5 ACM |
24 | #define SCA_HEX syscall_arg__scnprintf_hex |
25 | ||
6e7eeb51 ACM |
26 | static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, |
27 | unsigned long arg, u8 *arg_mask __maybe_unused) | |
ae685380 ACM |
28 | { |
29 | int printed = 0, prot = arg; | |
30 | ||
31 | if (prot == PROT_NONE) | |
32 | return scnprintf(bf, size, "NONE"); | |
33 | #define P_MMAP_PROT(n) \ | |
34 | if (prot & PROT_##n) { \ | |
35 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
36 | prot &= ~PROT_##n; \ | |
37 | } | |
38 | ||
39 | P_MMAP_PROT(EXEC); | |
40 | P_MMAP_PROT(READ); | |
41 | P_MMAP_PROT(WRITE); | |
42 | #ifdef PROT_SEM | |
43 | P_MMAP_PROT(SEM); | |
44 | #endif | |
45 | P_MMAP_PROT(GROWSDOWN); | |
46 | P_MMAP_PROT(GROWSUP); | |
47 | #undef P_MMAP_PROT | |
48 | ||
49 | if (prot) | |
50 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot); | |
51 | ||
52 | return printed; | |
53 | } | |
54 | ||
55 | #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot | |
56 | ||
6e7eeb51 ACM |
57 | static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, |
58 | unsigned long arg, u8 *arg_mask __maybe_unused) | |
941557e0 ACM |
59 | { |
60 | int printed = 0, flags = arg; | |
61 | ||
62 | #define P_MMAP_FLAG(n) \ | |
63 | if (flags & MAP_##n) { \ | |
64 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
65 | flags &= ~MAP_##n; \ | |
66 | } | |
67 | ||
68 | P_MMAP_FLAG(SHARED); | |
69 | P_MMAP_FLAG(PRIVATE); | |
70 | P_MMAP_FLAG(32BIT); | |
71 | P_MMAP_FLAG(ANONYMOUS); | |
72 | P_MMAP_FLAG(DENYWRITE); | |
73 | P_MMAP_FLAG(EXECUTABLE); | |
74 | P_MMAP_FLAG(FILE); | |
75 | P_MMAP_FLAG(FIXED); | |
76 | P_MMAP_FLAG(GROWSDOWN); | |
f2935f3e | 77 | #ifdef MAP_HUGETLB |
941557e0 | 78 | P_MMAP_FLAG(HUGETLB); |
f2935f3e | 79 | #endif |
941557e0 ACM |
80 | P_MMAP_FLAG(LOCKED); |
81 | P_MMAP_FLAG(NONBLOCK); | |
82 | P_MMAP_FLAG(NORESERVE); | |
83 | P_MMAP_FLAG(POPULATE); | |
84 | P_MMAP_FLAG(STACK); | |
85 | #ifdef MAP_UNINITIALIZED | |
86 | P_MMAP_FLAG(UNINITIALIZED); | |
87 | #endif | |
88 | #undef P_MMAP_FLAG | |
89 | ||
90 | if (flags) | |
91 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
92 | ||
93 | return printed; | |
94 | } | |
95 | ||
96 | #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags | |
97 | ||
6e7eeb51 ACM |
98 | static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, |
99 | unsigned long arg, u8 *arg_mask __maybe_unused) | |
9e9716d1 ACM |
100 | { |
101 | int behavior = arg; | |
102 | ||
103 | switch (behavior) { | |
104 | #define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n) | |
105 | P_MADV_BHV(NORMAL); | |
106 | P_MADV_BHV(RANDOM); | |
107 | P_MADV_BHV(SEQUENTIAL); | |
108 | P_MADV_BHV(WILLNEED); | |
109 | P_MADV_BHV(DONTNEED); | |
110 | P_MADV_BHV(REMOVE); | |
111 | P_MADV_BHV(DONTFORK); | |
112 | P_MADV_BHV(DOFORK); | |
113 | P_MADV_BHV(HWPOISON); | |
114 | #ifdef MADV_SOFT_OFFLINE | |
115 | P_MADV_BHV(SOFT_OFFLINE); | |
116 | #endif | |
117 | P_MADV_BHV(MERGEABLE); | |
118 | P_MADV_BHV(UNMERGEABLE); | |
f2935f3e | 119 | #ifdef MADV_HUGEPAGE |
9e9716d1 | 120 | P_MADV_BHV(HUGEPAGE); |
f2935f3e DA |
121 | #endif |
122 | #ifdef MADV_NOHUGEPAGE | |
9e9716d1 | 123 | P_MADV_BHV(NOHUGEPAGE); |
f2935f3e | 124 | #endif |
9e9716d1 ACM |
125 | #ifdef MADV_DONTDUMP |
126 | P_MADV_BHV(DONTDUMP); | |
127 | #endif | |
128 | #ifdef MADV_DODUMP | |
129 | P_MADV_BHV(DODUMP); | |
130 | #endif | |
131 | #undef P_MADV_PHV | |
132 | default: break; | |
133 | } | |
134 | ||
135 | return scnprintf(bf, size, "%#x", behavior); | |
136 | } | |
137 | ||
138 | #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior | |
139 | ||
514f1c67 ACM |
140 | static struct syscall_fmt { |
141 | const char *name; | |
aec1930b | 142 | const char *alias; |
6e7eeb51 | 143 | size_t (*arg_scnprintf[6])(char *bf, size_t size, unsigned long arg, u8 *arg_mask); |
514f1c67 ACM |
144 | bool errmsg; |
145 | bool timeout; | |
04b34729 | 146 | bool hexret; |
514f1c67 | 147 | } syscall_fmts[] = { |
8b745263 | 148 | { .name = "access", .errmsg = true, }, |
aec1930b | 149 | { .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, |
beccb2b5 ACM |
150 | { .name = "brk", .hexret = true, |
151 | .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, }, | |
04b34729 | 152 | { .name = "mmap", .hexret = true, }, |
a14bb860 | 153 | { .name = "connect", .errmsg = true, }, |
aec1930b ACM |
154 | { .name = "fstat", .errmsg = true, .alias = "newfstat", }, |
155 | { .name = "fstatat", .errmsg = true, .alias = "newfstatat", }, | |
156 | { .name = "futex", .errmsg = true, }, | |
beccb2b5 ACM |
157 | { .name = "ioctl", .errmsg = true, |
158 | .arg_scnprintf = { [2] = SCA_HEX, /* arg */ }, }, | |
e5959683 | 159 | { .name = "lstat", .errmsg = true, .alias = "newlstat", }, |
9e9716d1 ACM |
160 | { .name = "madvise", .errmsg = true, |
161 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ | |
162 | [2] = SCA_MADV_BHV, /* behavior */ }, }, | |
beccb2b5 | 163 | { .name = "mmap", .hexret = true, |
ae685380 | 164 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ |
941557e0 ACM |
165 | [2] = SCA_MMAP_PROT, /* prot */ |
166 | [3] = SCA_MMAP_FLAGS, /* flags */ }, }, | |
beccb2b5 | 167 | { .name = "mprotect", .errmsg = true, |
ae685380 ACM |
168 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ |
169 | [2] = SCA_MMAP_PROT, /* prot */ }, }, | |
170 | { .name = "mremap", .hexret = true, | |
171 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ | |
172 | [4] = SCA_HEX, /* new_addr */ }, }, | |
beccb2b5 ACM |
173 | { .name = "munmap", .errmsg = true, |
174 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
8b745263 | 175 | { .name = "open", .errmsg = true, }, |
aec1930b ACM |
176 | { .name = "poll", .errmsg = true, .timeout = true, }, |
177 | { .name = "ppoll", .errmsg = true, .timeout = true, }, | |
e5959683 ACM |
178 | { .name = "pread", .errmsg = true, .alias = "pread64", }, |
179 | { .name = "pwrite", .errmsg = true, .alias = "pwrite64", }, | |
aec1930b ACM |
180 | { .name = "read", .errmsg = true, }, |
181 | { .name = "recvfrom", .errmsg = true, }, | |
182 | { .name = "select", .errmsg = true, .timeout = true, }, | |
8b745263 | 183 | { .name = "socket", .errmsg = true, }, |
aec1930b | 184 | { .name = "stat", .errmsg = true, .alias = "newstat", }, |
e5959683 | 185 | { .name = "uname", .errmsg = true, .alias = "newuname", }, |
514f1c67 ACM |
186 | }; |
187 | ||
188 | static int syscall_fmt__cmp(const void *name, const void *fmtp) | |
189 | { | |
190 | const struct syscall_fmt *fmt = fmtp; | |
191 | return strcmp(name, fmt->name); | |
192 | } | |
193 | ||
194 | static struct syscall_fmt *syscall_fmt__find(const char *name) | |
195 | { | |
196 | const int nmemb = ARRAY_SIZE(syscall_fmts); | |
197 | return bsearch(name, syscall_fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp); | |
198 | } | |
199 | ||
200 | struct syscall { | |
201 | struct event_format *tp_format; | |
202 | const char *name; | |
2ae3a312 | 203 | bool filtered; |
514f1c67 | 204 | struct syscall_fmt *fmt; |
6e7eeb51 ACM |
205 | size_t (**arg_scnprintf)(char *bf, size_t size, |
206 | unsigned long arg, u8 *args_mask); | |
514f1c67 ACM |
207 | }; |
208 | ||
60c907ab ACM |
209 | static size_t fprintf_duration(unsigned long t, FILE *fp) |
210 | { | |
211 | double duration = (double)t / NSEC_PER_MSEC; | |
212 | size_t printed = fprintf(fp, "("); | |
213 | ||
214 | if (duration >= 1.0) | |
215 | printed += color_fprintf(fp, PERF_COLOR_RED, "%6.3f ms", duration); | |
216 | else if (duration >= 0.01) | |
217 | printed += color_fprintf(fp, PERF_COLOR_YELLOW, "%6.3f ms", duration); | |
218 | else | |
219 | printed += color_fprintf(fp, PERF_COLOR_NORMAL, "%6.3f ms", duration); | |
c24ff998 | 220 | return printed + fprintf(fp, "): "); |
60c907ab ACM |
221 | } |
222 | ||
752fde44 ACM |
223 | struct thread_trace { |
224 | u64 entry_time; | |
225 | u64 exit_time; | |
226 | bool entry_pending; | |
efd5745e | 227 | unsigned long nr_events; |
752fde44 | 228 | char *entry_str; |
1302d88e | 229 | double runtime_ms; |
752fde44 ACM |
230 | }; |
231 | ||
232 | static struct thread_trace *thread_trace__new(void) | |
233 | { | |
234 | return zalloc(sizeof(struct thread_trace)); | |
235 | } | |
236 | ||
c24ff998 | 237 | static struct thread_trace *thread__trace(struct thread *thread, FILE *fp) |
752fde44 | 238 | { |
efd5745e ACM |
239 | struct thread_trace *ttrace; |
240 | ||
752fde44 ACM |
241 | if (thread == NULL) |
242 | goto fail; | |
243 | ||
244 | if (thread->priv == NULL) | |
245 | thread->priv = thread_trace__new(); | |
efd5745e | 246 | |
752fde44 ACM |
247 | if (thread->priv == NULL) |
248 | goto fail; | |
249 | ||
efd5745e ACM |
250 | ttrace = thread->priv; |
251 | ++ttrace->nr_events; | |
252 | ||
253 | return ttrace; | |
752fde44 | 254 | fail: |
c24ff998 | 255 | color_fprintf(fp, PERF_COLOR_RED, |
752fde44 ACM |
256 | "WARNING: not enough memory, dropping samples!\n"); |
257 | return NULL; | |
258 | } | |
259 | ||
514f1c67 | 260 | struct trace { |
c24ff998 | 261 | struct perf_tool tool; |
514f1c67 ACM |
262 | int audit_machine; |
263 | struct { | |
264 | int max; | |
265 | struct syscall *table; | |
266 | } syscalls; | |
267 | struct perf_record_opts opts; | |
752fde44 ACM |
268 | struct machine host; |
269 | u64 base_time; | |
c24ff998 | 270 | FILE *output; |
efd5745e | 271 | unsigned long nr_events; |
b059efdf ACM |
272 | struct strlist *ev_qualifier; |
273 | bool not_ev_qualifier; | |
bdc89661 DA |
274 | struct intlist *tid_list; |
275 | struct intlist *pid_list; | |
1302d88e | 276 | bool sched; |
752fde44 | 277 | bool multiple_threads; |
ae9ed035 | 278 | double duration_filter; |
1302d88e | 279 | double runtime_ms; |
514f1c67 ACM |
280 | }; |
281 | ||
ae9ed035 ACM |
282 | static bool trace__filter_duration(struct trace *trace, double t) |
283 | { | |
284 | return t < (trace->duration_filter * NSEC_PER_MSEC); | |
285 | } | |
286 | ||
752fde44 ACM |
287 | static size_t trace__fprintf_tstamp(struct trace *trace, u64 tstamp, FILE *fp) |
288 | { | |
289 | double ts = (double)(tstamp - trace->base_time) / NSEC_PER_MSEC; | |
290 | ||
60c907ab | 291 | return fprintf(fp, "%10.3f ", ts); |
752fde44 ACM |
292 | } |
293 | ||
f15eb531 NK |
294 | static bool done = false; |
295 | ||
296 | static void sig_handler(int sig __maybe_unused) | |
297 | { | |
298 | done = true; | |
299 | } | |
300 | ||
752fde44 | 301 | static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread, |
60c907ab | 302 | u64 duration, u64 tstamp, FILE *fp) |
752fde44 ACM |
303 | { |
304 | size_t printed = trace__fprintf_tstamp(trace, tstamp, fp); | |
60c907ab | 305 | printed += fprintf_duration(duration, fp); |
752fde44 ACM |
306 | |
307 | if (trace->multiple_threads) | |
38051234 | 308 | printed += fprintf(fp, "%d ", thread->tid); |
752fde44 ACM |
309 | |
310 | return printed; | |
311 | } | |
312 | ||
c24ff998 ACM |
313 | static int trace__process_event(struct trace *trace, struct machine *machine, |
314 | union perf_event *event) | |
752fde44 ACM |
315 | { |
316 | int ret = 0; | |
317 | ||
318 | switch (event->header.type) { | |
319 | case PERF_RECORD_LOST: | |
c24ff998 | 320 | color_fprintf(trace->output, PERF_COLOR_RED, |
752fde44 ACM |
321 | "LOST %" PRIu64 " events!\n", event->lost.lost); |
322 | ret = machine__process_lost_event(machine, event); | |
323 | default: | |
324 | ret = machine__process_event(machine, event); | |
325 | break; | |
326 | } | |
327 | ||
328 | return ret; | |
329 | } | |
330 | ||
c24ff998 | 331 | static int trace__tool_process(struct perf_tool *tool, |
752fde44 ACM |
332 | union perf_event *event, |
333 | struct perf_sample *sample __maybe_unused, | |
334 | struct machine *machine) | |
335 | { | |
c24ff998 ACM |
336 | struct trace *trace = container_of(tool, struct trace, tool); |
337 | return trace__process_event(trace, machine, event); | |
752fde44 ACM |
338 | } |
339 | ||
340 | static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist) | |
341 | { | |
342 | int err = symbol__init(); | |
343 | ||
344 | if (err) | |
345 | return err; | |
346 | ||
347 | machine__init(&trace->host, "", HOST_KERNEL_ID); | |
348 | machine__create_kernel_maps(&trace->host); | |
349 | ||
350 | if (perf_target__has_task(&trace->opts.target)) { | |
c24ff998 | 351 | err = perf_event__synthesize_thread_map(&trace->tool, evlist->threads, |
752fde44 ACM |
352 | trace__tool_process, |
353 | &trace->host); | |
354 | } else { | |
c24ff998 | 355 | err = perf_event__synthesize_threads(&trace->tool, trace__tool_process, |
752fde44 ACM |
356 | &trace->host); |
357 | } | |
358 | ||
359 | if (err) | |
360 | symbol__exit(); | |
361 | ||
362 | return err; | |
363 | } | |
364 | ||
13d4ff3e ACM |
365 | static int syscall__set_arg_fmts(struct syscall *sc) |
366 | { | |
367 | struct format_field *field; | |
368 | int idx = 0; | |
369 | ||
370 | sc->arg_scnprintf = calloc(sc->tp_format->format.nr_fields - 1, sizeof(void *)); | |
371 | if (sc->arg_scnprintf == NULL) | |
372 | return -1; | |
373 | ||
374 | for (field = sc->tp_format->format.fields->next; field; field = field->next) { | |
beccb2b5 ACM |
375 | if (sc->fmt && sc->fmt->arg_scnprintf[idx]) |
376 | sc->arg_scnprintf[idx] = sc->fmt->arg_scnprintf[idx]; | |
377 | else if (field->flags & FIELD_IS_POINTER) | |
13d4ff3e ACM |
378 | sc->arg_scnprintf[idx] = syscall_arg__scnprintf_hex; |
379 | ++idx; | |
380 | } | |
381 | ||
382 | return 0; | |
383 | } | |
384 | ||
514f1c67 ACM |
385 | static int trace__read_syscall_info(struct trace *trace, int id) |
386 | { | |
387 | char tp_name[128]; | |
388 | struct syscall *sc; | |
3a531260 ACM |
389 | const char *name = audit_syscall_to_name(id, trace->audit_machine); |
390 | ||
391 | if (name == NULL) | |
392 | return -1; | |
514f1c67 ACM |
393 | |
394 | if (id > trace->syscalls.max) { | |
395 | struct syscall *nsyscalls = realloc(trace->syscalls.table, (id + 1) * sizeof(*sc)); | |
396 | ||
397 | if (nsyscalls == NULL) | |
398 | return -1; | |
399 | ||
400 | if (trace->syscalls.max != -1) { | |
401 | memset(nsyscalls + trace->syscalls.max + 1, 0, | |
402 | (id - trace->syscalls.max) * sizeof(*sc)); | |
403 | } else { | |
404 | memset(nsyscalls, 0, (id + 1) * sizeof(*sc)); | |
405 | } | |
406 | ||
407 | trace->syscalls.table = nsyscalls; | |
408 | trace->syscalls.max = id; | |
409 | } | |
410 | ||
411 | sc = trace->syscalls.table + id; | |
3a531260 | 412 | sc->name = name; |
2ae3a312 | 413 | |
b059efdf ACM |
414 | if (trace->ev_qualifier) { |
415 | bool in = strlist__find(trace->ev_qualifier, name) != NULL; | |
416 | ||
417 | if (!(in ^ trace->not_ev_qualifier)) { | |
418 | sc->filtered = true; | |
419 | /* | |
420 | * No need to do read tracepoint information since this will be | |
421 | * filtered out. | |
422 | */ | |
423 | return 0; | |
424 | } | |
2ae3a312 ACM |
425 | } |
426 | ||
3a531260 | 427 | sc->fmt = syscall_fmt__find(sc->name); |
514f1c67 | 428 | |
aec1930b | 429 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name); |
514f1c67 | 430 | sc->tp_format = event_format__new("syscalls", tp_name); |
aec1930b ACM |
431 | |
432 | if (sc->tp_format == NULL && sc->fmt && sc->fmt->alias) { | |
433 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->fmt->alias); | |
434 | sc->tp_format = event_format__new("syscalls", tp_name); | |
435 | } | |
514f1c67 | 436 | |
13d4ff3e ACM |
437 | if (sc->tp_format == NULL) |
438 | return -1; | |
439 | ||
440 | return syscall__set_arg_fmts(sc); | |
514f1c67 ACM |
441 | } |
442 | ||
752fde44 ACM |
443 | static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, |
444 | unsigned long *args) | |
514f1c67 ACM |
445 | { |
446 | int i = 0; | |
447 | size_t printed = 0; | |
448 | ||
449 | if (sc->tp_format != NULL) { | |
450 | struct format_field *field; | |
6e7eeb51 ACM |
451 | u8 mask = 0, bit = 1; |
452 | ||
453 | for (field = sc->tp_format->format.fields->next; field; | |
454 | field = field->next, ++i, bit <<= 1) { | |
455 | if (mask & bit) | |
456 | continue; | |
514f1c67 | 457 | |
752fde44 | 458 | printed += scnprintf(bf + printed, size - printed, |
13d4ff3e ACM |
459 | "%s%s: ", printed ? ", " : "", field->name); |
460 | ||
6e7eeb51 ACM |
461 | if (sc->arg_scnprintf && sc->arg_scnprintf[i]) { |
462 | printed += sc->arg_scnprintf[i](bf + printed, size - printed, | |
463 | args[i], &mask); | |
464 | } else { | |
13d4ff3e ACM |
465 | printed += scnprintf(bf + printed, size - printed, |
466 | "%ld", args[i]); | |
6e7eeb51 | 467 | } |
514f1c67 ACM |
468 | } |
469 | } else { | |
470 | while (i < 6) { | |
752fde44 ACM |
471 | printed += scnprintf(bf + printed, size - printed, |
472 | "%sarg%d: %ld", | |
473 | printed ? ", " : "", i, args[i]); | |
514f1c67 ACM |
474 | ++i; |
475 | } | |
476 | } | |
477 | ||
478 | return printed; | |
479 | } | |
480 | ||
ba3d7dee ACM |
481 | typedef int (*tracepoint_handler)(struct trace *trace, struct perf_evsel *evsel, |
482 | struct perf_sample *sample); | |
483 | ||
484 | static struct syscall *trace__syscall_info(struct trace *trace, | |
485 | struct perf_evsel *evsel, | |
486 | struct perf_sample *sample) | |
487 | { | |
488 | int id = perf_evsel__intval(evsel, sample, "id"); | |
489 | ||
490 | if (id < 0) { | |
adaa18bf ACM |
491 | |
492 | /* | |
493 | * XXX: Noticed on x86_64, reproduced as far back as 3.0.36, haven't tried | |
494 | * before that, leaving at a higher verbosity level till that is | |
495 | * explained. Reproduced with plain ftrace with: | |
496 | * | |
497 | * echo 1 > /t/events/raw_syscalls/sys_exit/enable | |
498 | * grep "NR -1 " /t/trace_pipe | |
499 | * | |
500 | * After generating some load on the machine. | |
501 | */ | |
502 | if (verbose > 1) { | |
503 | static u64 n; | |
504 | fprintf(trace->output, "Invalid syscall %d id, skipping (%s, %" PRIu64 ") ...\n", | |
505 | id, perf_evsel__name(evsel), ++n); | |
506 | } | |
ba3d7dee ACM |
507 | return NULL; |
508 | } | |
509 | ||
510 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL) && | |
511 | trace__read_syscall_info(trace, id)) | |
512 | goto out_cant_read; | |
513 | ||
514 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL)) | |
515 | goto out_cant_read; | |
516 | ||
517 | return &trace->syscalls.table[id]; | |
518 | ||
519 | out_cant_read: | |
7c304ee0 ACM |
520 | if (verbose) { |
521 | fprintf(trace->output, "Problems reading syscall %d", id); | |
522 | if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL) | |
523 | fprintf(trace->output, "(%s)", trace->syscalls.table[id].name); | |
524 | fputs(" information\n", trace->output); | |
525 | } | |
ba3d7dee ACM |
526 | return NULL; |
527 | } | |
528 | ||
529 | static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel, | |
530 | struct perf_sample *sample) | |
531 | { | |
752fde44 | 532 | char *msg; |
ba3d7dee | 533 | void *args; |
752fde44 | 534 | size_t printed = 0; |
2ae3a312 | 535 | struct thread *thread; |
ba3d7dee | 536 | struct syscall *sc = trace__syscall_info(trace, evsel, sample); |
2ae3a312 ACM |
537 | struct thread_trace *ttrace; |
538 | ||
539 | if (sc == NULL) | |
540 | return -1; | |
ba3d7dee | 541 | |
2ae3a312 ACM |
542 | if (sc->filtered) |
543 | return 0; | |
544 | ||
314add6b AH |
545 | thread = machine__findnew_thread(&trace->host, sample->pid, |
546 | sample->tid); | |
c24ff998 | 547 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 548 | if (ttrace == NULL) |
ba3d7dee ACM |
549 | return -1; |
550 | ||
551 | args = perf_evsel__rawptr(evsel, sample, "args"); | |
552 | if (args == NULL) { | |
c24ff998 | 553 | fprintf(trace->output, "Problems reading syscall arguments\n"); |
ba3d7dee ACM |
554 | return -1; |
555 | } | |
556 | ||
752fde44 ACM |
557 | ttrace = thread->priv; |
558 | ||
559 | if (ttrace->entry_str == NULL) { | |
560 | ttrace->entry_str = malloc(1024); | |
561 | if (!ttrace->entry_str) | |
562 | return -1; | |
563 | } | |
564 | ||
565 | ttrace->entry_time = sample->time; | |
566 | msg = ttrace->entry_str; | |
567 | printed += scnprintf(msg + printed, 1024 - printed, "%s(", sc->name); | |
568 | ||
569 | printed += syscall__scnprintf_args(sc, msg + printed, 1024 - printed, args); | |
570 | ||
571 | if (!strcmp(sc->name, "exit_group") || !strcmp(sc->name, "exit")) { | |
ae9ed035 | 572 | if (!trace->duration_filter) { |
c24ff998 ACM |
573 | trace__fprintf_entry_head(trace, thread, 1, sample->time, trace->output); |
574 | fprintf(trace->output, "%-70s\n", ttrace->entry_str); | |
ae9ed035 | 575 | } |
752fde44 ACM |
576 | } else |
577 | ttrace->entry_pending = true; | |
ba3d7dee ACM |
578 | |
579 | return 0; | |
580 | } | |
581 | ||
582 | static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, | |
583 | struct perf_sample *sample) | |
584 | { | |
585 | int ret; | |
60c907ab | 586 | u64 duration = 0; |
2ae3a312 | 587 | struct thread *thread; |
ba3d7dee | 588 | struct syscall *sc = trace__syscall_info(trace, evsel, sample); |
2ae3a312 ACM |
589 | struct thread_trace *ttrace; |
590 | ||
591 | if (sc == NULL) | |
592 | return -1; | |
ba3d7dee | 593 | |
2ae3a312 ACM |
594 | if (sc->filtered) |
595 | return 0; | |
596 | ||
314add6b AH |
597 | thread = machine__findnew_thread(&trace->host, sample->pid, |
598 | sample->tid); | |
c24ff998 | 599 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 600 | if (ttrace == NULL) |
ba3d7dee ACM |
601 | return -1; |
602 | ||
603 | ret = perf_evsel__intval(evsel, sample, "ret"); | |
604 | ||
752fde44 ACM |
605 | ttrace = thread->priv; |
606 | ||
607 | ttrace->exit_time = sample->time; | |
608 | ||
ae9ed035 | 609 | if (ttrace->entry_time) { |
60c907ab | 610 | duration = sample->time - ttrace->entry_time; |
ae9ed035 ACM |
611 | if (trace__filter_duration(trace, duration)) |
612 | goto out; | |
613 | } else if (trace->duration_filter) | |
614 | goto out; | |
60c907ab | 615 | |
c24ff998 | 616 | trace__fprintf_entry_head(trace, thread, duration, sample->time, trace->output); |
752fde44 ACM |
617 | |
618 | if (ttrace->entry_pending) { | |
c24ff998 | 619 | fprintf(trace->output, "%-70s", ttrace->entry_str); |
752fde44 | 620 | } else { |
c24ff998 ACM |
621 | fprintf(trace->output, " ... ["); |
622 | color_fprintf(trace->output, PERF_COLOR_YELLOW, "continued"); | |
623 | fprintf(trace->output, "]: %s()", sc->name); | |
752fde44 ACM |
624 | } |
625 | ||
da3c9a44 ACM |
626 | if (sc->fmt == NULL) { |
627 | signed_print: | |
628 | fprintf(trace->output, ") = %d", ret); | |
629 | } else if (ret < 0 && sc->fmt->errmsg) { | |
ba3d7dee ACM |
630 | char bf[256]; |
631 | const char *emsg = strerror_r(-ret, bf, sizeof(bf)), | |
632 | *e = audit_errno_to_name(-ret); | |
633 | ||
c24ff998 | 634 | fprintf(trace->output, ") = -1 %s %s", e, emsg); |
da3c9a44 | 635 | } else if (ret == 0 && sc->fmt->timeout) |
c24ff998 | 636 | fprintf(trace->output, ") = 0 Timeout"); |
04b34729 ACM |
637 | else if (sc->fmt->hexret) |
638 | fprintf(trace->output, ") = %#x", ret); | |
ba3d7dee | 639 | else |
da3c9a44 | 640 | goto signed_print; |
ba3d7dee | 641 | |
c24ff998 | 642 | fputc('\n', trace->output); |
ae9ed035 | 643 | out: |
752fde44 ACM |
644 | ttrace->entry_pending = false; |
645 | ||
ba3d7dee ACM |
646 | return 0; |
647 | } | |
648 | ||
1302d88e ACM |
649 | static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel, |
650 | struct perf_sample *sample) | |
651 | { | |
652 | u64 runtime = perf_evsel__intval(evsel, sample, "runtime"); | |
653 | double runtime_ms = (double)runtime / NSEC_PER_MSEC; | |
314add6b AH |
654 | struct thread *thread = machine__findnew_thread(&trace->host, |
655 | sample->pid, | |
656 | sample->tid); | |
c24ff998 | 657 | struct thread_trace *ttrace = thread__trace(thread, trace->output); |
1302d88e ACM |
658 | |
659 | if (ttrace == NULL) | |
660 | goto out_dump; | |
661 | ||
662 | ttrace->runtime_ms += runtime_ms; | |
663 | trace->runtime_ms += runtime_ms; | |
664 | return 0; | |
665 | ||
666 | out_dump: | |
c24ff998 | 667 | fprintf(trace->output, "%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n", |
1302d88e ACM |
668 | evsel->name, |
669 | perf_evsel__strval(evsel, sample, "comm"), | |
670 | (pid_t)perf_evsel__intval(evsel, sample, "pid"), | |
671 | runtime, | |
672 | perf_evsel__intval(evsel, sample, "vruntime")); | |
673 | return 0; | |
674 | } | |
675 | ||
bdc89661 DA |
676 | static bool skip_sample(struct trace *trace, struct perf_sample *sample) |
677 | { | |
678 | if ((trace->pid_list && intlist__find(trace->pid_list, sample->pid)) || | |
679 | (trace->tid_list && intlist__find(trace->tid_list, sample->tid))) | |
680 | return false; | |
681 | ||
682 | if (trace->pid_list || trace->tid_list) | |
683 | return true; | |
684 | ||
685 | return false; | |
686 | } | |
687 | ||
6810fc91 DA |
688 | static int trace__process_sample(struct perf_tool *tool, |
689 | union perf_event *event __maybe_unused, | |
690 | struct perf_sample *sample, | |
691 | struct perf_evsel *evsel, | |
692 | struct machine *machine __maybe_unused) | |
693 | { | |
694 | struct trace *trace = container_of(tool, struct trace, tool); | |
695 | int err = 0; | |
696 | ||
697 | tracepoint_handler handler = evsel->handler.func; | |
698 | ||
bdc89661 DA |
699 | if (skip_sample(trace, sample)) |
700 | return 0; | |
701 | ||
6810fc91 DA |
702 | if (trace->base_time == 0) |
703 | trace->base_time = sample->time; | |
704 | ||
705 | if (handler) | |
706 | handler(trace, evsel, sample); | |
707 | ||
708 | return err; | |
709 | } | |
710 | ||
711 | static bool | |
712 | perf_session__has_tp(struct perf_session *session, const char *name) | |
713 | { | |
714 | struct perf_evsel *evsel; | |
715 | ||
716 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, name); | |
717 | ||
718 | return evsel != NULL; | |
719 | } | |
720 | ||
bdc89661 DA |
721 | static int parse_target_str(struct trace *trace) |
722 | { | |
723 | if (trace->opts.target.pid) { | |
724 | trace->pid_list = intlist__new(trace->opts.target.pid); | |
725 | if (trace->pid_list == NULL) { | |
726 | pr_err("Error parsing process id string\n"); | |
727 | return -EINVAL; | |
728 | } | |
729 | } | |
730 | ||
731 | if (trace->opts.target.tid) { | |
732 | trace->tid_list = intlist__new(trace->opts.target.tid); | |
733 | if (trace->tid_list == NULL) { | |
734 | pr_err("Error parsing thread id string\n"); | |
735 | return -EINVAL; | |
736 | } | |
737 | } | |
738 | ||
739 | return 0; | |
740 | } | |
741 | ||
f15eb531 | 742 | static int trace__run(struct trace *trace, int argc, const char **argv) |
514f1c67 | 743 | { |
334fe7a3 | 744 | struct perf_evlist *evlist = perf_evlist__new(); |
ba3d7dee | 745 | struct perf_evsel *evsel; |
efd5745e ACM |
746 | int err = -1, i; |
747 | unsigned long before; | |
f15eb531 | 748 | const bool forks = argc > 0; |
514f1c67 ACM |
749 | |
750 | if (evlist == NULL) { | |
c24ff998 | 751 | fprintf(trace->output, "Not enough memory to run!\n"); |
514f1c67 ACM |
752 | goto out; |
753 | } | |
754 | ||
39876e7d ACM |
755 | if (perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_enter", trace__sys_enter) || |
756 | perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_exit", trace__sys_exit)) { | |
c24ff998 | 757 | fprintf(trace->output, "Couldn't read the raw_syscalls tracepoints information!\n"); |
514f1c67 ACM |
758 | goto out_delete_evlist; |
759 | } | |
760 | ||
1302d88e ACM |
761 | if (trace->sched && |
762 | perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime", | |
763 | trace__sched_stat_runtime)) { | |
c24ff998 | 764 | fprintf(trace->output, "Couldn't read the sched_stat_runtime tracepoint information!\n"); |
1302d88e ACM |
765 | goto out_delete_evlist; |
766 | } | |
767 | ||
514f1c67 ACM |
768 | err = perf_evlist__create_maps(evlist, &trace->opts.target); |
769 | if (err < 0) { | |
c24ff998 | 770 | fprintf(trace->output, "Problems parsing the target to trace, check your options!\n"); |
514f1c67 ACM |
771 | goto out_delete_evlist; |
772 | } | |
773 | ||
752fde44 ACM |
774 | err = trace__symbols_init(trace, evlist); |
775 | if (err < 0) { | |
c24ff998 | 776 | fprintf(trace->output, "Problems initializing symbol libraries!\n"); |
3beb0861 | 777 | goto out_delete_maps; |
752fde44 ACM |
778 | } |
779 | ||
f77a9518 | 780 | perf_evlist__config(evlist, &trace->opts); |
514f1c67 | 781 | |
f15eb531 NK |
782 | signal(SIGCHLD, sig_handler); |
783 | signal(SIGINT, sig_handler); | |
784 | ||
785 | if (forks) { | |
6ef73ec4 | 786 | err = perf_evlist__prepare_workload(evlist, &trace->opts.target, |
55e162ea | 787 | argv, false, false); |
f15eb531 | 788 | if (err < 0) { |
c24ff998 | 789 | fprintf(trace->output, "Couldn't run the workload!\n"); |
3beb0861 | 790 | goto out_delete_maps; |
f15eb531 NK |
791 | } |
792 | } | |
793 | ||
514f1c67 ACM |
794 | err = perf_evlist__open(evlist); |
795 | if (err < 0) { | |
c24ff998 | 796 | fprintf(trace->output, "Couldn't create the events: %s\n", strerror(errno)); |
3beb0861 | 797 | goto out_delete_maps; |
514f1c67 ACM |
798 | } |
799 | ||
800 | err = perf_evlist__mmap(evlist, UINT_MAX, false); | |
801 | if (err < 0) { | |
c24ff998 | 802 | fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno)); |
3beb0861 | 803 | goto out_close_evlist; |
514f1c67 ACM |
804 | } |
805 | ||
806 | perf_evlist__enable(evlist); | |
f15eb531 NK |
807 | |
808 | if (forks) | |
809 | perf_evlist__start_workload(evlist); | |
810 | ||
752fde44 | 811 | trace->multiple_threads = evlist->threads->map[0] == -1 || evlist->threads->nr > 1; |
514f1c67 | 812 | again: |
efd5745e | 813 | before = trace->nr_events; |
514f1c67 ACM |
814 | |
815 | for (i = 0; i < evlist->nr_mmaps; i++) { | |
816 | union perf_event *event; | |
817 | ||
818 | while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { | |
819 | const u32 type = event->header.type; | |
ba3d7dee | 820 | tracepoint_handler handler; |
514f1c67 | 821 | struct perf_sample sample; |
514f1c67 | 822 | |
efd5745e | 823 | ++trace->nr_events; |
514f1c67 | 824 | |
514f1c67 ACM |
825 | err = perf_evlist__parse_sample(evlist, event, &sample); |
826 | if (err) { | |
c24ff998 | 827 | fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err); |
514f1c67 ACM |
828 | continue; |
829 | } | |
830 | ||
752fde44 ACM |
831 | if (trace->base_time == 0) |
832 | trace->base_time = sample.time; | |
833 | ||
834 | if (type != PERF_RECORD_SAMPLE) { | |
c24ff998 | 835 | trace__process_event(trace, &trace->host, event); |
752fde44 ACM |
836 | continue; |
837 | } | |
838 | ||
514f1c67 ACM |
839 | evsel = perf_evlist__id2evsel(evlist, sample.id); |
840 | if (evsel == NULL) { | |
c24ff998 | 841 | fprintf(trace->output, "Unknown tp ID %" PRIu64 ", skipping...\n", sample.id); |
514f1c67 ACM |
842 | continue; |
843 | } | |
844 | ||
fc551f8d | 845 | if (sample.raw_data == NULL) { |
c24ff998 | 846 | fprintf(trace->output, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n", |
fc551f8d ACM |
847 | perf_evsel__name(evsel), sample.tid, |
848 | sample.cpu, sample.raw_size); | |
849 | continue; | |
850 | } | |
851 | ||
ba3d7dee ACM |
852 | handler = evsel->handler.func; |
853 | handler(trace, evsel, &sample); | |
514f1c67 ACM |
854 | } |
855 | } | |
856 | ||
efd5745e | 857 | if (trace->nr_events == before) { |
f15eb531 | 858 | if (done) |
3beb0861 | 859 | goto out_unmap_evlist; |
f15eb531 | 860 | |
514f1c67 | 861 | poll(evlist->pollfd, evlist->nr_fds, -1); |
f15eb531 NK |
862 | } |
863 | ||
864 | if (done) | |
865 | perf_evlist__disable(evlist); | |
514f1c67 ACM |
866 | |
867 | goto again; | |
868 | ||
3beb0861 NK |
869 | out_unmap_evlist: |
870 | perf_evlist__munmap(evlist); | |
871 | out_close_evlist: | |
872 | perf_evlist__close(evlist); | |
873 | out_delete_maps: | |
874 | perf_evlist__delete_maps(evlist); | |
514f1c67 ACM |
875 | out_delete_evlist: |
876 | perf_evlist__delete(evlist); | |
877 | out: | |
878 | return err; | |
879 | } | |
880 | ||
6810fc91 DA |
881 | static int trace__replay(struct trace *trace) |
882 | { | |
883 | const struct perf_evsel_str_handler handlers[] = { | |
884 | { "raw_syscalls:sys_enter", trace__sys_enter, }, | |
885 | { "raw_syscalls:sys_exit", trace__sys_exit, }, | |
886 | }; | |
887 | ||
888 | struct perf_session *session; | |
889 | int err = -1; | |
890 | ||
891 | trace->tool.sample = trace__process_sample; | |
892 | trace->tool.mmap = perf_event__process_mmap; | |
893 | trace->tool.comm = perf_event__process_comm; | |
894 | trace->tool.exit = perf_event__process_exit; | |
895 | trace->tool.fork = perf_event__process_fork; | |
896 | trace->tool.attr = perf_event__process_attr; | |
897 | trace->tool.tracing_data = perf_event__process_tracing_data; | |
898 | trace->tool.build_id = perf_event__process_build_id; | |
899 | ||
900 | trace->tool.ordered_samples = true; | |
901 | trace->tool.ordering_requires_timestamps = true; | |
902 | ||
903 | /* add tid to output */ | |
904 | trace->multiple_threads = true; | |
905 | ||
906 | if (symbol__init() < 0) | |
907 | return -1; | |
908 | ||
909 | session = perf_session__new(input_name, O_RDONLY, 0, false, | |
910 | &trace->tool); | |
911 | if (session == NULL) | |
912 | return -ENOMEM; | |
913 | ||
914 | err = perf_session__set_tracepoints_handlers(session, handlers); | |
915 | if (err) | |
916 | goto out; | |
917 | ||
918 | if (!perf_session__has_tp(session, "raw_syscalls:sys_enter")) { | |
919 | pr_err("Data file does not have raw_syscalls:sys_enter events\n"); | |
920 | goto out; | |
921 | } | |
922 | ||
923 | if (!perf_session__has_tp(session, "raw_syscalls:sys_exit")) { | |
924 | pr_err("Data file does not have raw_syscalls:sys_exit events\n"); | |
925 | goto out; | |
926 | } | |
927 | ||
bdc89661 DA |
928 | err = parse_target_str(trace); |
929 | if (err != 0) | |
930 | goto out; | |
931 | ||
6810fc91 DA |
932 | setup_pager(); |
933 | ||
934 | err = perf_session__process_events(session, &trace->tool); | |
935 | if (err) | |
936 | pr_err("Failed to process events, error %d", err); | |
937 | ||
938 | out: | |
939 | perf_session__delete(session); | |
940 | ||
941 | return err; | |
942 | } | |
943 | ||
1302d88e ACM |
944 | static size_t trace__fprintf_threads_header(FILE *fp) |
945 | { | |
946 | size_t printed; | |
947 | ||
948 | printed = fprintf(fp, "\n _____________________________________________________________________\n"); | |
949 | printed += fprintf(fp," __) Summary of events (__\n\n"); | |
950 | printed += fprintf(fp," [ task - pid ] [ events ] [ ratio ] [ runtime ]\n"); | |
951 | printed += fprintf(fp," _____________________________________________________________________\n\n"); | |
952 | ||
953 | return printed; | |
954 | } | |
955 | ||
956 | static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp) | |
957 | { | |
958 | size_t printed = trace__fprintf_threads_header(fp); | |
959 | struct rb_node *nd; | |
960 | ||
961 | for (nd = rb_first(&trace->host.threads); nd; nd = rb_next(nd)) { | |
962 | struct thread *thread = rb_entry(nd, struct thread, rb_node); | |
963 | struct thread_trace *ttrace = thread->priv; | |
964 | const char *color; | |
965 | double ratio; | |
966 | ||
967 | if (ttrace == NULL) | |
968 | continue; | |
969 | ||
970 | ratio = (double)ttrace->nr_events / trace->nr_events * 100.0; | |
971 | ||
972 | color = PERF_COLOR_NORMAL; | |
973 | if (ratio > 50.0) | |
974 | color = PERF_COLOR_RED; | |
975 | else if (ratio > 25.0) | |
976 | color = PERF_COLOR_GREEN; | |
977 | else if (ratio > 5.0) | |
978 | color = PERF_COLOR_YELLOW; | |
979 | ||
980 | printed += color_fprintf(fp, color, "%20s", thread->comm); | |
38051234 | 981 | printed += fprintf(fp, " - %-5d :%11lu [", thread->tid, ttrace->nr_events); |
1302d88e ACM |
982 | printed += color_fprintf(fp, color, "%5.1f%%", ratio); |
983 | printed += fprintf(fp, " ] %10.3f ms\n", ttrace->runtime_ms); | |
984 | } | |
985 | ||
986 | return printed; | |
987 | } | |
988 | ||
ae9ed035 ACM |
989 | static int trace__set_duration(const struct option *opt, const char *str, |
990 | int unset __maybe_unused) | |
991 | { | |
992 | struct trace *trace = opt->value; | |
993 | ||
994 | trace->duration_filter = atof(str); | |
995 | return 0; | |
996 | } | |
997 | ||
c24ff998 ACM |
998 | static int trace__open_output(struct trace *trace, const char *filename) |
999 | { | |
1000 | struct stat st; | |
1001 | ||
1002 | if (!stat(filename, &st) && st.st_size) { | |
1003 | char oldname[PATH_MAX]; | |
1004 | ||
1005 | scnprintf(oldname, sizeof(oldname), "%s.old", filename); | |
1006 | unlink(oldname); | |
1007 | rename(filename, oldname); | |
1008 | } | |
1009 | ||
1010 | trace->output = fopen(filename, "w"); | |
1011 | ||
1012 | return trace->output == NULL ? -errno : 0; | |
1013 | } | |
1014 | ||
514f1c67 ACM |
1015 | int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) |
1016 | { | |
1017 | const char * const trace_usage[] = { | |
f15eb531 NK |
1018 | "perf trace [<options>] [<command>]", |
1019 | "perf trace [<options>] -- <command> [<options>]", | |
514f1c67 ACM |
1020 | NULL |
1021 | }; | |
1022 | struct trace trace = { | |
1023 | .audit_machine = audit_detect_machine(), | |
1024 | .syscalls = { | |
1025 | . max = -1, | |
1026 | }, | |
1027 | .opts = { | |
1028 | .target = { | |
1029 | .uid = UINT_MAX, | |
1030 | .uses_mmap = true, | |
1031 | }, | |
1032 | .user_freq = UINT_MAX, | |
1033 | .user_interval = ULLONG_MAX, | |
1034 | .no_delay = true, | |
1035 | .mmap_pages = 1024, | |
1036 | }, | |
c24ff998 | 1037 | .output = stdout, |
514f1c67 | 1038 | }; |
c24ff998 | 1039 | const char *output_name = NULL; |
2ae3a312 | 1040 | const char *ev_qualifier_str = NULL; |
514f1c67 | 1041 | const struct option trace_options[] = { |
2ae3a312 ACM |
1042 | OPT_STRING('e', "expr", &ev_qualifier_str, "expr", |
1043 | "list of events to trace"), | |
c24ff998 | 1044 | OPT_STRING('o', "output", &output_name, "file", "output file name"), |
6810fc91 | 1045 | OPT_STRING('i', "input", &input_name, "file", "Analyze events in file"), |
514f1c67 ACM |
1046 | OPT_STRING('p', "pid", &trace.opts.target.pid, "pid", |
1047 | "trace events on existing process id"), | |
ac9be8ee | 1048 | OPT_STRING('t', "tid", &trace.opts.target.tid, "tid", |
514f1c67 | 1049 | "trace events on existing thread id"), |
ac9be8ee | 1050 | OPT_BOOLEAN('a', "all-cpus", &trace.opts.target.system_wide, |
514f1c67 | 1051 | "system-wide collection from all CPUs"), |
ac9be8ee | 1052 | OPT_STRING('C', "cpu", &trace.opts.target.cpu_list, "cpu", |
514f1c67 | 1053 | "list of cpus to monitor"), |
6810fc91 | 1054 | OPT_BOOLEAN(0, "no-inherit", &trace.opts.no_inherit, |
514f1c67 | 1055 | "child tasks do not inherit counters"), |
ac9be8ee | 1056 | OPT_UINTEGER('m', "mmap-pages", &trace.opts.mmap_pages, |
514f1c67 | 1057 | "number of mmap data pages"), |
ac9be8ee | 1058 | OPT_STRING('u', "uid", &trace.opts.target.uid_str, "user", |
514f1c67 | 1059 | "user to profile"), |
ae9ed035 ACM |
1060 | OPT_CALLBACK(0, "duration", &trace, "float", |
1061 | "show only events with duration > N.M ms", | |
1062 | trace__set_duration), | |
1302d88e | 1063 | OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"), |
7c304ee0 | 1064 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), |
514f1c67 ACM |
1065 | OPT_END() |
1066 | }; | |
1067 | int err; | |
32caf0d1 | 1068 | char bf[BUFSIZ]; |
514f1c67 ACM |
1069 | |
1070 | argc = parse_options(argc, argv, trace_options, trace_usage, 0); | |
514f1c67 | 1071 | |
c24ff998 ACM |
1072 | if (output_name != NULL) { |
1073 | err = trace__open_output(&trace, output_name); | |
1074 | if (err < 0) { | |
1075 | perror("failed to create output file"); | |
1076 | goto out; | |
1077 | } | |
1078 | } | |
1079 | ||
2ae3a312 | 1080 | if (ev_qualifier_str != NULL) { |
b059efdf ACM |
1081 | const char *s = ev_qualifier_str; |
1082 | ||
1083 | trace.not_ev_qualifier = *s == '!'; | |
1084 | if (trace.not_ev_qualifier) | |
1085 | ++s; | |
1086 | trace.ev_qualifier = strlist__new(true, s); | |
2ae3a312 | 1087 | if (trace.ev_qualifier == NULL) { |
c24ff998 ACM |
1088 | fputs("Not enough memory to parse event qualifier", |
1089 | trace.output); | |
1090 | err = -ENOMEM; | |
1091 | goto out_close; | |
2ae3a312 ACM |
1092 | } |
1093 | } | |
1094 | ||
32caf0d1 NK |
1095 | err = perf_target__validate(&trace.opts.target); |
1096 | if (err) { | |
1097 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); | |
c24ff998 ACM |
1098 | fprintf(trace.output, "%s", bf); |
1099 | goto out_close; | |
32caf0d1 NK |
1100 | } |
1101 | ||
514f1c67 ACM |
1102 | err = perf_target__parse_uid(&trace.opts.target); |
1103 | if (err) { | |
514f1c67 | 1104 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); |
c24ff998 ACM |
1105 | fprintf(trace.output, "%s", bf); |
1106 | goto out_close; | |
514f1c67 ACM |
1107 | } |
1108 | ||
f15eb531 | 1109 | if (!argc && perf_target__none(&trace.opts.target)) |
ee76120e NK |
1110 | trace.opts.target.system_wide = true; |
1111 | ||
6810fc91 DA |
1112 | if (input_name) |
1113 | err = trace__replay(&trace); | |
1114 | else | |
1115 | err = trace__run(&trace, argc, argv); | |
1302d88e ACM |
1116 | |
1117 | if (trace.sched && !err) | |
c24ff998 | 1118 | trace__fprintf_thread_summary(&trace, trace.output); |
1302d88e | 1119 | |
c24ff998 ACM |
1120 | out_close: |
1121 | if (output_name != NULL) | |
1122 | fclose(trace.output); | |
1123 | out: | |
1302d88e | 1124 | return err; |
514f1c67 | 1125 | } |