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> |
f9da0b0c | 17 | #include <linux/futex.h> |
514f1c67 | 18 | |
456857bd IM |
19 | /* For older distros: */ |
20 | #ifndef MAP_STACK | |
21 | # define MAP_STACK 0x20000 | |
22 | #endif | |
23 | ||
24 | #ifndef MADV_HWPOISON | |
25 | # define MADV_HWPOISON 100 | |
26 | #endif | |
27 | ||
28 | #ifndef MADV_MERGEABLE | |
29 | # define MADV_MERGEABLE 12 | |
30 | #endif | |
31 | ||
32 | #ifndef MADV_UNMERGEABLE | |
33 | # define MADV_UNMERGEABLE 13 | |
34 | #endif | |
35 | ||
6e7eeb51 | 36 | static size_t syscall_arg__scnprintf_hex(char *bf, size_t size, |
31cd3855 ACM |
37 | unsigned long arg, |
38 | u8 arg_idx __maybe_unused, | |
39 | u8 *arg_mask __maybe_unused) | |
13d4ff3e ACM |
40 | { |
41 | return scnprintf(bf, size, "%#lx", arg); | |
42 | } | |
43 | ||
beccb2b5 ACM |
44 | #define SCA_HEX syscall_arg__scnprintf_hex |
45 | ||
579e7865 | 46 | static size_t syscall_arg__scnprintf_whence(char *bf, size_t size, |
31cd3855 ACM |
47 | unsigned long arg, |
48 | u8 arg_idx __maybe_unused, | |
49 | u8 *arg_mask __maybe_unused) | |
579e7865 ACM |
50 | { |
51 | int whence = arg; | |
52 | ||
53 | switch (whence) { | |
54 | #define P_WHENCE(n) case SEEK_##n: return scnprintf(bf, size, #n) | |
55 | P_WHENCE(SET); | |
56 | P_WHENCE(CUR); | |
57 | P_WHENCE(END); | |
58 | #ifdef SEEK_DATA | |
59 | P_WHENCE(DATA); | |
60 | #endif | |
61 | #ifdef SEEK_HOLE | |
62 | P_WHENCE(HOLE); | |
63 | #endif | |
64 | #undef P_WHENCE | |
65 | default: break; | |
66 | } | |
67 | ||
68 | return scnprintf(bf, size, "%#x", whence); | |
69 | } | |
70 | ||
71 | #define SCA_WHENCE syscall_arg__scnprintf_whence | |
72 | ||
6e7eeb51 | 73 | static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, |
31cd3855 ACM |
74 | unsigned long arg, |
75 | u8 arg_idx __maybe_unused, | |
76 | u8 *arg_mask __maybe_unused) | |
ae685380 ACM |
77 | { |
78 | int printed = 0, prot = arg; | |
79 | ||
80 | if (prot == PROT_NONE) | |
81 | return scnprintf(bf, size, "NONE"); | |
82 | #define P_MMAP_PROT(n) \ | |
83 | if (prot & PROT_##n) { \ | |
84 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
85 | prot &= ~PROT_##n; \ | |
86 | } | |
87 | ||
88 | P_MMAP_PROT(EXEC); | |
89 | P_MMAP_PROT(READ); | |
90 | P_MMAP_PROT(WRITE); | |
91 | #ifdef PROT_SEM | |
92 | P_MMAP_PROT(SEM); | |
93 | #endif | |
94 | P_MMAP_PROT(GROWSDOWN); | |
95 | P_MMAP_PROT(GROWSUP); | |
96 | #undef P_MMAP_PROT | |
97 | ||
98 | if (prot) | |
99 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot); | |
100 | ||
101 | return printed; | |
102 | } | |
103 | ||
104 | #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot | |
105 | ||
6e7eeb51 | 106 | static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, |
31cd3855 ACM |
107 | unsigned long arg, u8 arg_idx __maybe_unused, |
108 | u8 *arg_mask __maybe_unused) | |
941557e0 ACM |
109 | { |
110 | int printed = 0, flags = arg; | |
111 | ||
112 | #define P_MMAP_FLAG(n) \ | |
113 | if (flags & MAP_##n) { \ | |
114 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
115 | flags &= ~MAP_##n; \ | |
116 | } | |
117 | ||
118 | P_MMAP_FLAG(SHARED); | |
119 | P_MMAP_FLAG(PRIVATE); | |
41817815 | 120 | #ifdef MAP_32BIT |
941557e0 | 121 | P_MMAP_FLAG(32BIT); |
41817815 | 122 | #endif |
941557e0 ACM |
123 | P_MMAP_FLAG(ANONYMOUS); |
124 | P_MMAP_FLAG(DENYWRITE); | |
125 | P_MMAP_FLAG(EXECUTABLE); | |
126 | P_MMAP_FLAG(FILE); | |
127 | P_MMAP_FLAG(FIXED); | |
128 | P_MMAP_FLAG(GROWSDOWN); | |
f2935f3e | 129 | #ifdef MAP_HUGETLB |
941557e0 | 130 | P_MMAP_FLAG(HUGETLB); |
f2935f3e | 131 | #endif |
941557e0 ACM |
132 | P_MMAP_FLAG(LOCKED); |
133 | P_MMAP_FLAG(NONBLOCK); | |
134 | P_MMAP_FLAG(NORESERVE); | |
135 | P_MMAP_FLAG(POPULATE); | |
136 | P_MMAP_FLAG(STACK); | |
137 | #ifdef MAP_UNINITIALIZED | |
138 | P_MMAP_FLAG(UNINITIALIZED); | |
139 | #endif | |
140 | #undef P_MMAP_FLAG | |
141 | ||
142 | if (flags) | |
143 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
144 | ||
145 | return printed; | |
146 | } | |
147 | ||
148 | #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags | |
149 | ||
6e7eeb51 | 150 | static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, |
31cd3855 ACM |
151 | unsigned long arg, u8 arg_idx __maybe_unused, |
152 | u8 *arg_mask __maybe_unused) | |
9e9716d1 ACM |
153 | { |
154 | int behavior = arg; | |
155 | ||
156 | switch (behavior) { | |
157 | #define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n) | |
158 | P_MADV_BHV(NORMAL); | |
159 | P_MADV_BHV(RANDOM); | |
160 | P_MADV_BHV(SEQUENTIAL); | |
161 | P_MADV_BHV(WILLNEED); | |
162 | P_MADV_BHV(DONTNEED); | |
163 | P_MADV_BHV(REMOVE); | |
164 | P_MADV_BHV(DONTFORK); | |
165 | P_MADV_BHV(DOFORK); | |
166 | P_MADV_BHV(HWPOISON); | |
167 | #ifdef MADV_SOFT_OFFLINE | |
168 | P_MADV_BHV(SOFT_OFFLINE); | |
169 | #endif | |
170 | P_MADV_BHV(MERGEABLE); | |
171 | P_MADV_BHV(UNMERGEABLE); | |
f2935f3e | 172 | #ifdef MADV_HUGEPAGE |
9e9716d1 | 173 | P_MADV_BHV(HUGEPAGE); |
f2935f3e DA |
174 | #endif |
175 | #ifdef MADV_NOHUGEPAGE | |
9e9716d1 | 176 | P_MADV_BHV(NOHUGEPAGE); |
f2935f3e | 177 | #endif |
9e9716d1 ACM |
178 | #ifdef MADV_DONTDUMP |
179 | P_MADV_BHV(DONTDUMP); | |
180 | #endif | |
181 | #ifdef MADV_DODUMP | |
182 | P_MADV_BHV(DODUMP); | |
183 | #endif | |
184 | #undef P_MADV_PHV | |
185 | default: break; | |
186 | } | |
187 | ||
188 | return scnprintf(bf, size, "%#x", behavior); | |
189 | } | |
190 | ||
191 | #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior | |
192 | ||
31cd3855 ACM |
193 | static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, unsigned long arg, |
194 | u8 arg_idx __maybe_unused, u8 *arg_mask) | |
f9da0b0c ACM |
195 | { |
196 | enum syscall_futex_args { | |
197 | SCF_UADDR = (1 << 0), | |
198 | SCF_OP = (1 << 1), | |
199 | SCF_VAL = (1 << 2), | |
200 | SCF_TIMEOUT = (1 << 3), | |
201 | SCF_UADDR2 = (1 << 4), | |
202 | SCF_VAL3 = (1 << 5), | |
203 | }; | |
204 | int op = arg; | |
205 | int cmd = op & FUTEX_CMD_MASK; | |
206 | size_t printed = 0; | |
207 | ||
208 | switch (cmd) { | |
209 | #define P_FUTEX_OP(n) case FUTEX_##n: printed = scnprintf(bf, size, #n); | |
210 | P_FUTEX_OP(WAIT); *arg_mask |= SCF_VAL3|SCF_UADDR2; break; | |
211 | P_FUTEX_OP(WAKE); *arg_mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
212 | P_FUTEX_OP(FD); *arg_mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
213 | P_FUTEX_OP(REQUEUE); *arg_mask |= SCF_VAL3|SCF_TIMEOUT; break; | |
214 | P_FUTEX_OP(CMP_REQUEUE); *arg_mask |= SCF_TIMEOUT; break; | |
215 | P_FUTEX_OP(CMP_REQUEUE_PI); *arg_mask |= SCF_TIMEOUT; break; | |
216 | P_FUTEX_OP(WAKE_OP); break; | |
217 | P_FUTEX_OP(LOCK_PI); *arg_mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
218 | P_FUTEX_OP(UNLOCK_PI); *arg_mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
219 | P_FUTEX_OP(TRYLOCK_PI); *arg_mask |= SCF_VAL3|SCF_UADDR2; break; | |
220 | P_FUTEX_OP(WAIT_BITSET); *arg_mask |= SCF_UADDR2; break; | |
221 | P_FUTEX_OP(WAKE_BITSET); *arg_mask |= SCF_UADDR2; break; | |
222 | P_FUTEX_OP(WAIT_REQUEUE_PI); break; | |
223 | default: printed = scnprintf(bf, size, "%#x", cmd); break; | |
224 | } | |
225 | ||
226 | if (op & FUTEX_PRIVATE_FLAG) | |
227 | printed += scnprintf(bf + printed, size - printed, "|PRIV"); | |
228 | ||
229 | if (op & FUTEX_CLOCK_REALTIME) | |
230 | printed += scnprintf(bf + printed, size - printed, "|CLKRT"); | |
231 | ||
232 | return printed; | |
233 | } | |
234 | ||
235 | #define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op | |
236 | ||
be65a89a | 237 | static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, |
31cd3855 ACM |
238 | unsigned long arg, |
239 | u8 arg_idx, u8 *arg_mask) | |
be65a89a ACM |
240 | { |
241 | int printed = 0, flags = arg; | |
242 | ||
243 | if (!(flags & O_CREAT)) | |
31cd3855 | 244 | *arg_mask |= 1 << (arg_idx + 1); /* Mask the mode parm */ |
be65a89a ACM |
245 | |
246 | if (flags == 0) | |
247 | return scnprintf(bf, size, "RDONLY"); | |
248 | #define P_FLAG(n) \ | |
249 | if (flags & O_##n) { \ | |
250 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
251 | flags &= ~O_##n; \ | |
252 | } | |
253 | ||
254 | P_FLAG(APPEND); | |
255 | P_FLAG(ASYNC); | |
256 | P_FLAG(CLOEXEC); | |
257 | P_FLAG(CREAT); | |
258 | P_FLAG(DIRECT); | |
259 | P_FLAG(DIRECTORY); | |
260 | P_FLAG(EXCL); | |
261 | P_FLAG(LARGEFILE); | |
262 | P_FLAG(NOATIME); | |
263 | P_FLAG(NOCTTY); | |
264 | #ifdef O_NONBLOCK | |
265 | P_FLAG(NONBLOCK); | |
266 | #elif O_NDELAY | |
267 | P_FLAG(NDELAY); | |
268 | #endif | |
269 | #ifdef O_PATH | |
270 | P_FLAG(PATH); | |
271 | #endif | |
272 | P_FLAG(RDWR); | |
273 | #ifdef O_DSYNC | |
274 | if ((flags & O_SYNC) == O_SYNC) | |
275 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC"); | |
276 | else { | |
277 | P_FLAG(DSYNC); | |
278 | } | |
279 | #else | |
280 | P_FLAG(SYNC); | |
281 | #endif | |
282 | P_FLAG(TRUNC); | |
283 | P_FLAG(WRONLY); | |
284 | #undef P_FLAG | |
285 | ||
286 | if (flags) | |
287 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
288 | ||
289 | return printed; | |
290 | } | |
291 | ||
292 | #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags | |
293 | ||
514f1c67 ACM |
294 | static struct syscall_fmt { |
295 | const char *name; | |
aec1930b | 296 | const char *alias; |
31cd3855 | 297 | size_t (*arg_scnprintf[6])(char *bf, size_t size, unsigned long arg, u8 arg_idx, u8 *arg_mask); |
514f1c67 ACM |
298 | bool errmsg; |
299 | bool timeout; | |
04b34729 | 300 | bool hexret; |
514f1c67 | 301 | } syscall_fmts[] = { |
8b745263 | 302 | { .name = "access", .errmsg = true, }, |
aec1930b | 303 | { .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, |
beccb2b5 ACM |
304 | { .name = "brk", .hexret = true, |
305 | .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, }, | |
04b34729 | 306 | { .name = "mmap", .hexret = true, }, |
a14bb860 | 307 | { .name = "connect", .errmsg = true, }, |
aec1930b ACM |
308 | { .name = "fstat", .errmsg = true, .alias = "newfstat", }, |
309 | { .name = "fstatat", .errmsg = true, .alias = "newfstatat", }, | |
f9da0b0c ACM |
310 | { .name = "futex", .errmsg = true, |
311 | .arg_scnprintf = { [1] = SCA_FUTEX_OP, /* op */ }, }, | |
beccb2b5 ACM |
312 | { .name = "ioctl", .errmsg = true, |
313 | .arg_scnprintf = { [2] = SCA_HEX, /* arg */ }, }, | |
579e7865 ACM |
314 | { .name = "lseek", .errmsg = true, |
315 | .arg_scnprintf = { [2] = SCA_WHENCE, /* whence */ }, }, | |
e5959683 | 316 | { .name = "lstat", .errmsg = true, .alias = "newlstat", }, |
9e9716d1 ACM |
317 | { .name = "madvise", .errmsg = true, |
318 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ | |
319 | [2] = SCA_MADV_BHV, /* behavior */ }, }, | |
beccb2b5 | 320 | { .name = "mmap", .hexret = true, |
ae685380 | 321 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ |
941557e0 ACM |
322 | [2] = SCA_MMAP_PROT, /* prot */ |
323 | [3] = SCA_MMAP_FLAGS, /* flags */ }, }, | |
beccb2b5 | 324 | { .name = "mprotect", .errmsg = true, |
ae685380 ACM |
325 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ |
326 | [2] = SCA_MMAP_PROT, /* prot */ }, }, | |
327 | { .name = "mremap", .hexret = true, | |
328 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ | |
329 | [4] = SCA_HEX, /* new_addr */ }, }, | |
beccb2b5 ACM |
330 | { .name = "munmap", .errmsg = true, |
331 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
be65a89a ACM |
332 | { .name = "open", .errmsg = true, |
333 | .arg_scnprintf = { [1] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
31cd3855 ACM |
334 | { .name = "open_by_handle_at", .errmsg = true, |
335 | .arg_scnprintf = { [2] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
336 | { .name = "openat", .errmsg = true, | |
337 | .arg_scnprintf = { [2] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
aec1930b ACM |
338 | { .name = "poll", .errmsg = true, .timeout = true, }, |
339 | { .name = "ppoll", .errmsg = true, .timeout = true, }, | |
e5959683 ACM |
340 | { .name = "pread", .errmsg = true, .alias = "pread64", }, |
341 | { .name = "pwrite", .errmsg = true, .alias = "pwrite64", }, | |
aec1930b ACM |
342 | { .name = "read", .errmsg = true, }, |
343 | { .name = "recvfrom", .errmsg = true, }, | |
344 | { .name = "select", .errmsg = true, .timeout = true, }, | |
8b745263 | 345 | { .name = "socket", .errmsg = true, }, |
aec1930b | 346 | { .name = "stat", .errmsg = true, .alias = "newstat", }, |
e5959683 | 347 | { .name = "uname", .errmsg = true, .alias = "newuname", }, |
514f1c67 ACM |
348 | }; |
349 | ||
350 | static int syscall_fmt__cmp(const void *name, const void *fmtp) | |
351 | { | |
352 | const struct syscall_fmt *fmt = fmtp; | |
353 | return strcmp(name, fmt->name); | |
354 | } | |
355 | ||
356 | static struct syscall_fmt *syscall_fmt__find(const char *name) | |
357 | { | |
358 | const int nmemb = ARRAY_SIZE(syscall_fmts); | |
359 | return bsearch(name, syscall_fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp); | |
360 | } | |
361 | ||
362 | struct syscall { | |
363 | struct event_format *tp_format; | |
364 | const char *name; | |
2ae3a312 | 365 | bool filtered; |
514f1c67 | 366 | struct syscall_fmt *fmt; |
6e7eeb51 | 367 | size_t (**arg_scnprintf)(char *bf, size_t size, |
31cd3855 | 368 | unsigned long arg, u8 arg_idx, u8 *args_mask); |
514f1c67 ACM |
369 | }; |
370 | ||
60c907ab ACM |
371 | static size_t fprintf_duration(unsigned long t, FILE *fp) |
372 | { | |
373 | double duration = (double)t / NSEC_PER_MSEC; | |
374 | size_t printed = fprintf(fp, "("); | |
375 | ||
376 | if (duration >= 1.0) | |
377 | printed += color_fprintf(fp, PERF_COLOR_RED, "%6.3f ms", duration); | |
378 | else if (duration >= 0.01) | |
379 | printed += color_fprintf(fp, PERF_COLOR_YELLOW, "%6.3f ms", duration); | |
380 | else | |
381 | printed += color_fprintf(fp, PERF_COLOR_NORMAL, "%6.3f ms", duration); | |
c24ff998 | 382 | return printed + fprintf(fp, "): "); |
60c907ab ACM |
383 | } |
384 | ||
752fde44 ACM |
385 | struct thread_trace { |
386 | u64 entry_time; | |
387 | u64 exit_time; | |
388 | bool entry_pending; | |
efd5745e | 389 | unsigned long nr_events; |
752fde44 | 390 | char *entry_str; |
1302d88e | 391 | double runtime_ms; |
752fde44 ACM |
392 | }; |
393 | ||
394 | static struct thread_trace *thread_trace__new(void) | |
395 | { | |
396 | return zalloc(sizeof(struct thread_trace)); | |
397 | } | |
398 | ||
c24ff998 | 399 | static struct thread_trace *thread__trace(struct thread *thread, FILE *fp) |
752fde44 | 400 | { |
efd5745e ACM |
401 | struct thread_trace *ttrace; |
402 | ||
752fde44 ACM |
403 | if (thread == NULL) |
404 | goto fail; | |
405 | ||
406 | if (thread->priv == NULL) | |
407 | thread->priv = thread_trace__new(); | |
efd5745e | 408 | |
752fde44 ACM |
409 | if (thread->priv == NULL) |
410 | goto fail; | |
411 | ||
efd5745e ACM |
412 | ttrace = thread->priv; |
413 | ++ttrace->nr_events; | |
414 | ||
415 | return ttrace; | |
752fde44 | 416 | fail: |
c24ff998 | 417 | color_fprintf(fp, PERF_COLOR_RED, |
752fde44 ACM |
418 | "WARNING: not enough memory, dropping samples!\n"); |
419 | return NULL; | |
420 | } | |
421 | ||
514f1c67 | 422 | struct trace { |
c24ff998 | 423 | struct perf_tool tool; |
514f1c67 ACM |
424 | int audit_machine; |
425 | struct { | |
426 | int max; | |
427 | struct syscall *table; | |
428 | } syscalls; | |
429 | struct perf_record_opts opts; | |
752fde44 ACM |
430 | struct machine host; |
431 | u64 base_time; | |
c24ff998 | 432 | FILE *output; |
efd5745e | 433 | unsigned long nr_events; |
b059efdf ACM |
434 | struct strlist *ev_qualifier; |
435 | bool not_ev_qualifier; | |
bdc89661 DA |
436 | struct intlist *tid_list; |
437 | struct intlist *pid_list; | |
1302d88e | 438 | bool sched; |
752fde44 | 439 | bool multiple_threads; |
ae9ed035 | 440 | double duration_filter; |
1302d88e | 441 | double runtime_ms; |
514f1c67 ACM |
442 | }; |
443 | ||
ae9ed035 ACM |
444 | static bool trace__filter_duration(struct trace *trace, double t) |
445 | { | |
446 | return t < (trace->duration_filter * NSEC_PER_MSEC); | |
447 | } | |
448 | ||
752fde44 ACM |
449 | static size_t trace__fprintf_tstamp(struct trace *trace, u64 tstamp, FILE *fp) |
450 | { | |
451 | double ts = (double)(tstamp - trace->base_time) / NSEC_PER_MSEC; | |
452 | ||
60c907ab | 453 | return fprintf(fp, "%10.3f ", ts); |
752fde44 ACM |
454 | } |
455 | ||
f15eb531 NK |
456 | static bool done = false; |
457 | ||
458 | static void sig_handler(int sig __maybe_unused) | |
459 | { | |
460 | done = true; | |
461 | } | |
462 | ||
752fde44 | 463 | static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread, |
60c907ab | 464 | u64 duration, u64 tstamp, FILE *fp) |
752fde44 ACM |
465 | { |
466 | size_t printed = trace__fprintf_tstamp(trace, tstamp, fp); | |
60c907ab | 467 | printed += fprintf_duration(duration, fp); |
752fde44 ACM |
468 | |
469 | if (trace->multiple_threads) | |
38051234 | 470 | printed += fprintf(fp, "%d ", thread->tid); |
752fde44 ACM |
471 | |
472 | return printed; | |
473 | } | |
474 | ||
c24ff998 ACM |
475 | static int trace__process_event(struct trace *trace, struct machine *machine, |
476 | union perf_event *event) | |
752fde44 ACM |
477 | { |
478 | int ret = 0; | |
479 | ||
480 | switch (event->header.type) { | |
481 | case PERF_RECORD_LOST: | |
c24ff998 | 482 | color_fprintf(trace->output, PERF_COLOR_RED, |
752fde44 ACM |
483 | "LOST %" PRIu64 " events!\n", event->lost.lost); |
484 | ret = machine__process_lost_event(machine, event); | |
485 | default: | |
486 | ret = machine__process_event(machine, event); | |
487 | break; | |
488 | } | |
489 | ||
490 | return ret; | |
491 | } | |
492 | ||
c24ff998 | 493 | static int trace__tool_process(struct perf_tool *tool, |
752fde44 ACM |
494 | union perf_event *event, |
495 | struct perf_sample *sample __maybe_unused, | |
496 | struct machine *machine) | |
497 | { | |
c24ff998 ACM |
498 | struct trace *trace = container_of(tool, struct trace, tool); |
499 | return trace__process_event(trace, machine, event); | |
752fde44 ACM |
500 | } |
501 | ||
502 | static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist) | |
503 | { | |
504 | int err = symbol__init(); | |
505 | ||
506 | if (err) | |
507 | return err; | |
508 | ||
509 | machine__init(&trace->host, "", HOST_KERNEL_ID); | |
510 | machine__create_kernel_maps(&trace->host); | |
511 | ||
512 | if (perf_target__has_task(&trace->opts.target)) { | |
c24ff998 | 513 | err = perf_event__synthesize_thread_map(&trace->tool, evlist->threads, |
752fde44 ACM |
514 | trace__tool_process, |
515 | &trace->host); | |
516 | } else { | |
c24ff998 | 517 | err = perf_event__synthesize_threads(&trace->tool, trace__tool_process, |
752fde44 ACM |
518 | &trace->host); |
519 | } | |
520 | ||
521 | if (err) | |
522 | symbol__exit(); | |
523 | ||
524 | return err; | |
525 | } | |
526 | ||
13d4ff3e ACM |
527 | static int syscall__set_arg_fmts(struct syscall *sc) |
528 | { | |
529 | struct format_field *field; | |
530 | int idx = 0; | |
531 | ||
532 | sc->arg_scnprintf = calloc(sc->tp_format->format.nr_fields - 1, sizeof(void *)); | |
533 | if (sc->arg_scnprintf == NULL) | |
534 | return -1; | |
535 | ||
536 | for (field = sc->tp_format->format.fields->next; field; field = field->next) { | |
beccb2b5 ACM |
537 | if (sc->fmt && sc->fmt->arg_scnprintf[idx]) |
538 | sc->arg_scnprintf[idx] = sc->fmt->arg_scnprintf[idx]; | |
539 | else if (field->flags & FIELD_IS_POINTER) | |
13d4ff3e ACM |
540 | sc->arg_scnprintf[idx] = syscall_arg__scnprintf_hex; |
541 | ++idx; | |
542 | } | |
543 | ||
544 | return 0; | |
545 | } | |
546 | ||
514f1c67 ACM |
547 | static int trace__read_syscall_info(struct trace *trace, int id) |
548 | { | |
549 | char tp_name[128]; | |
550 | struct syscall *sc; | |
3a531260 ACM |
551 | const char *name = audit_syscall_to_name(id, trace->audit_machine); |
552 | ||
553 | if (name == NULL) | |
554 | return -1; | |
514f1c67 ACM |
555 | |
556 | if (id > trace->syscalls.max) { | |
557 | struct syscall *nsyscalls = realloc(trace->syscalls.table, (id + 1) * sizeof(*sc)); | |
558 | ||
559 | if (nsyscalls == NULL) | |
560 | return -1; | |
561 | ||
562 | if (trace->syscalls.max != -1) { | |
563 | memset(nsyscalls + trace->syscalls.max + 1, 0, | |
564 | (id - trace->syscalls.max) * sizeof(*sc)); | |
565 | } else { | |
566 | memset(nsyscalls, 0, (id + 1) * sizeof(*sc)); | |
567 | } | |
568 | ||
569 | trace->syscalls.table = nsyscalls; | |
570 | trace->syscalls.max = id; | |
571 | } | |
572 | ||
573 | sc = trace->syscalls.table + id; | |
3a531260 | 574 | sc->name = name; |
2ae3a312 | 575 | |
b059efdf ACM |
576 | if (trace->ev_qualifier) { |
577 | bool in = strlist__find(trace->ev_qualifier, name) != NULL; | |
578 | ||
579 | if (!(in ^ trace->not_ev_qualifier)) { | |
580 | sc->filtered = true; | |
581 | /* | |
582 | * No need to do read tracepoint information since this will be | |
583 | * filtered out. | |
584 | */ | |
585 | return 0; | |
586 | } | |
2ae3a312 ACM |
587 | } |
588 | ||
3a531260 | 589 | sc->fmt = syscall_fmt__find(sc->name); |
514f1c67 | 590 | |
aec1930b | 591 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name); |
514f1c67 | 592 | sc->tp_format = event_format__new("syscalls", tp_name); |
aec1930b ACM |
593 | |
594 | if (sc->tp_format == NULL && sc->fmt && sc->fmt->alias) { | |
595 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->fmt->alias); | |
596 | sc->tp_format = event_format__new("syscalls", tp_name); | |
597 | } | |
514f1c67 | 598 | |
13d4ff3e ACM |
599 | if (sc->tp_format == NULL) |
600 | return -1; | |
601 | ||
602 | return syscall__set_arg_fmts(sc); | |
514f1c67 ACM |
603 | } |
604 | ||
752fde44 ACM |
605 | static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, |
606 | unsigned long *args) | |
514f1c67 ACM |
607 | { |
608 | int i = 0; | |
609 | size_t printed = 0; | |
610 | ||
611 | if (sc->tp_format != NULL) { | |
612 | struct format_field *field; | |
6e7eeb51 ACM |
613 | u8 mask = 0, bit = 1; |
614 | ||
615 | for (field = sc->tp_format->format.fields->next; field; | |
616 | field = field->next, ++i, bit <<= 1) { | |
617 | if (mask & bit) | |
618 | continue; | |
514f1c67 | 619 | |
752fde44 | 620 | printed += scnprintf(bf + printed, size - printed, |
13d4ff3e ACM |
621 | "%s%s: ", printed ? ", " : "", field->name); |
622 | ||
6e7eeb51 ACM |
623 | if (sc->arg_scnprintf && sc->arg_scnprintf[i]) { |
624 | printed += sc->arg_scnprintf[i](bf + printed, size - printed, | |
31cd3855 | 625 | args[i], i, &mask); |
6e7eeb51 | 626 | } else { |
13d4ff3e ACM |
627 | printed += scnprintf(bf + printed, size - printed, |
628 | "%ld", args[i]); | |
6e7eeb51 | 629 | } |
514f1c67 ACM |
630 | } |
631 | } else { | |
632 | while (i < 6) { | |
752fde44 ACM |
633 | printed += scnprintf(bf + printed, size - printed, |
634 | "%sarg%d: %ld", | |
635 | printed ? ", " : "", i, args[i]); | |
514f1c67 ACM |
636 | ++i; |
637 | } | |
638 | } | |
639 | ||
640 | return printed; | |
641 | } | |
642 | ||
ba3d7dee ACM |
643 | typedef int (*tracepoint_handler)(struct trace *trace, struct perf_evsel *evsel, |
644 | struct perf_sample *sample); | |
645 | ||
646 | static struct syscall *trace__syscall_info(struct trace *trace, | |
647 | struct perf_evsel *evsel, | |
648 | struct perf_sample *sample) | |
649 | { | |
650 | int id = perf_evsel__intval(evsel, sample, "id"); | |
651 | ||
652 | if (id < 0) { | |
adaa18bf ACM |
653 | |
654 | /* | |
655 | * XXX: Noticed on x86_64, reproduced as far back as 3.0.36, haven't tried | |
656 | * before that, leaving at a higher verbosity level till that is | |
657 | * explained. Reproduced with plain ftrace with: | |
658 | * | |
659 | * echo 1 > /t/events/raw_syscalls/sys_exit/enable | |
660 | * grep "NR -1 " /t/trace_pipe | |
661 | * | |
662 | * After generating some load on the machine. | |
663 | */ | |
664 | if (verbose > 1) { | |
665 | static u64 n; | |
666 | fprintf(trace->output, "Invalid syscall %d id, skipping (%s, %" PRIu64 ") ...\n", | |
667 | id, perf_evsel__name(evsel), ++n); | |
668 | } | |
ba3d7dee ACM |
669 | return NULL; |
670 | } | |
671 | ||
672 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL) && | |
673 | trace__read_syscall_info(trace, id)) | |
674 | goto out_cant_read; | |
675 | ||
676 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL)) | |
677 | goto out_cant_read; | |
678 | ||
679 | return &trace->syscalls.table[id]; | |
680 | ||
681 | out_cant_read: | |
7c304ee0 ACM |
682 | if (verbose) { |
683 | fprintf(trace->output, "Problems reading syscall %d", id); | |
684 | if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL) | |
685 | fprintf(trace->output, "(%s)", trace->syscalls.table[id].name); | |
686 | fputs(" information\n", trace->output); | |
687 | } | |
ba3d7dee ACM |
688 | return NULL; |
689 | } | |
690 | ||
691 | static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel, | |
692 | struct perf_sample *sample) | |
693 | { | |
752fde44 | 694 | char *msg; |
ba3d7dee | 695 | void *args; |
752fde44 | 696 | size_t printed = 0; |
2ae3a312 | 697 | struct thread *thread; |
ba3d7dee | 698 | struct syscall *sc = trace__syscall_info(trace, evsel, sample); |
2ae3a312 ACM |
699 | struct thread_trace *ttrace; |
700 | ||
701 | if (sc == NULL) | |
702 | return -1; | |
ba3d7dee | 703 | |
2ae3a312 ACM |
704 | if (sc->filtered) |
705 | return 0; | |
706 | ||
314add6b AH |
707 | thread = machine__findnew_thread(&trace->host, sample->pid, |
708 | sample->tid); | |
c24ff998 | 709 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 710 | if (ttrace == NULL) |
ba3d7dee ACM |
711 | return -1; |
712 | ||
713 | args = perf_evsel__rawptr(evsel, sample, "args"); | |
714 | if (args == NULL) { | |
c24ff998 | 715 | fprintf(trace->output, "Problems reading syscall arguments\n"); |
ba3d7dee ACM |
716 | return -1; |
717 | } | |
718 | ||
752fde44 ACM |
719 | ttrace = thread->priv; |
720 | ||
721 | if (ttrace->entry_str == NULL) { | |
722 | ttrace->entry_str = malloc(1024); | |
723 | if (!ttrace->entry_str) | |
724 | return -1; | |
725 | } | |
726 | ||
727 | ttrace->entry_time = sample->time; | |
728 | msg = ttrace->entry_str; | |
729 | printed += scnprintf(msg + printed, 1024 - printed, "%s(", sc->name); | |
730 | ||
731 | printed += syscall__scnprintf_args(sc, msg + printed, 1024 - printed, args); | |
732 | ||
733 | if (!strcmp(sc->name, "exit_group") || !strcmp(sc->name, "exit")) { | |
ae9ed035 | 734 | if (!trace->duration_filter) { |
c24ff998 ACM |
735 | trace__fprintf_entry_head(trace, thread, 1, sample->time, trace->output); |
736 | fprintf(trace->output, "%-70s\n", ttrace->entry_str); | |
ae9ed035 | 737 | } |
752fde44 ACM |
738 | } else |
739 | ttrace->entry_pending = true; | |
ba3d7dee ACM |
740 | |
741 | return 0; | |
742 | } | |
743 | ||
744 | static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, | |
745 | struct perf_sample *sample) | |
746 | { | |
747 | int ret; | |
60c907ab | 748 | u64 duration = 0; |
2ae3a312 | 749 | struct thread *thread; |
ba3d7dee | 750 | struct syscall *sc = trace__syscall_info(trace, evsel, sample); |
2ae3a312 ACM |
751 | struct thread_trace *ttrace; |
752 | ||
753 | if (sc == NULL) | |
754 | return -1; | |
ba3d7dee | 755 | |
2ae3a312 ACM |
756 | if (sc->filtered) |
757 | return 0; | |
758 | ||
314add6b AH |
759 | thread = machine__findnew_thread(&trace->host, sample->pid, |
760 | sample->tid); | |
c24ff998 | 761 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 762 | if (ttrace == NULL) |
ba3d7dee ACM |
763 | return -1; |
764 | ||
765 | ret = perf_evsel__intval(evsel, sample, "ret"); | |
766 | ||
752fde44 ACM |
767 | ttrace = thread->priv; |
768 | ||
769 | ttrace->exit_time = sample->time; | |
770 | ||
ae9ed035 | 771 | if (ttrace->entry_time) { |
60c907ab | 772 | duration = sample->time - ttrace->entry_time; |
ae9ed035 ACM |
773 | if (trace__filter_duration(trace, duration)) |
774 | goto out; | |
775 | } else if (trace->duration_filter) | |
776 | goto out; | |
60c907ab | 777 | |
c24ff998 | 778 | trace__fprintf_entry_head(trace, thread, duration, sample->time, trace->output); |
752fde44 ACM |
779 | |
780 | if (ttrace->entry_pending) { | |
c24ff998 | 781 | fprintf(trace->output, "%-70s", ttrace->entry_str); |
752fde44 | 782 | } else { |
c24ff998 ACM |
783 | fprintf(trace->output, " ... ["); |
784 | color_fprintf(trace->output, PERF_COLOR_YELLOW, "continued"); | |
785 | fprintf(trace->output, "]: %s()", sc->name); | |
752fde44 ACM |
786 | } |
787 | ||
da3c9a44 ACM |
788 | if (sc->fmt == NULL) { |
789 | signed_print: | |
790 | fprintf(trace->output, ") = %d", ret); | |
791 | } else if (ret < 0 && sc->fmt->errmsg) { | |
ba3d7dee ACM |
792 | char bf[256]; |
793 | const char *emsg = strerror_r(-ret, bf, sizeof(bf)), | |
794 | *e = audit_errno_to_name(-ret); | |
795 | ||
c24ff998 | 796 | fprintf(trace->output, ") = -1 %s %s", e, emsg); |
da3c9a44 | 797 | } else if (ret == 0 && sc->fmt->timeout) |
c24ff998 | 798 | fprintf(trace->output, ") = 0 Timeout"); |
04b34729 ACM |
799 | else if (sc->fmt->hexret) |
800 | fprintf(trace->output, ") = %#x", ret); | |
ba3d7dee | 801 | else |
da3c9a44 | 802 | goto signed_print; |
ba3d7dee | 803 | |
c24ff998 | 804 | fputc('\n', trace->output); |
ae9ed035 | 805 | out: |
752fde44 ACM |
806 | ttrace->entry_pending = false; |
807 | ||
ba3d7dee ACM |
808 | return 0; |
809 | } | |
810 | ||
1302d88e ACM |
811 | static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel, |
812 | struct perf_sample *sample) | |
813 | { | |
814 | u64 runtime = perf_evsel__intval(evsel, sample, "runtime"); | |
815 | double runtime_ms = (double)runtime / NSEC_PER_MSEC; | |
314add6b AH |
816 | struct thread *thread = machine__findnew_thread(&trace->host, |
817 | sample->pid, | |
818 | sample->tid); | |
c24ff998 | 819 | struct thread_trace *ttrace = thread__trace(thread, trace->output); |
1302d88e ACM |
820 | |
821 | if (ttrace == NULL) | |
822 | goto out_dump; | |
823 | ||
824 | ttrace->runtime_ms += runtime_ms; | |
825 | trace->runtime_ms += runtime_ms; | |
826 | return 0; | |
827 | ||
828 | out_dump: | |
c24ff998 | 829 | fprintf(trace->output, "%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n", |
1302d88e ACM |
830 | evsel->name, |
831 | perf_evsel__strval(evsel, sample, "comm"), | |
832 | (pid_t)perf_evsel__intval(evsel, sample, "pid"), | |
833 | runtime, | |
834 | perf_evsel__intval(evsel, sample, "vruntime")); | |
835 | return 0; | |
836 | } | |
837 | ||
bdc89661 DA |
838 | static bool skip_sample(struct trace *trace, struct perf_sample *sample) |
839 | { | |
840 | if ((trace->pid_list && intlist__find(trace->pid_list, sample->pid)) || | |
841 | (trace->tid_list && intlist__find(trace->tid_list, sample->tid))) | |
842 | return false; | |
843 | ||
844 | if (trace->pid_list || trace->tid_list) | |
845 | return true; | |
846 | ||
847 | return false; | |
848 | } | |
849 | ||
6810fc91 DA |
850 | static int trace__process_sample(struct perf_tool *tool, |
851 | union perf_event *event __maybe_unused, | |
852 | struct perf_sample *sample, | |
853 | struct perf_evsel *evsel, | |
854 | struct machine *machine __maybe_unused) | |
855 | { | |
856 | struct trace *trace = container_of(tool, struct trace, tool); | |
857 | int err = 0; | |
858 | ||
859 | tracepoint_handler handler = evsel->handler.func; | |
860 | ||
bdc89661 DA |
861 | if (skip_sample(trace, sample)) |
862 | return 0; | |
863 | ||
6810fc91 DA |
864 | if (trace->base_time == 0) |
865 | trace->base_time = sample->time; | |
866 | ||
867 | if (handler) | |
868 | handler(trace, evsel, sample); | |
869 | ||
870 | return err; | |
871 | } | |
872 | ||
873 | static bool | |
874 | perf_session__has_tp(struct perf_session *session, const char *name) | |
875 | { | |
876 | struct perf_evsel *evsel; | |
877 | ||
878 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, name); | |
879 | ||
880 | return evsel != NULL; | |
881 | } | |
882 | ||
bdc89661 DA |
883 | static int parse_target_str(struct trace *trace) |
884 | { | |
885 | if (trace->opts.target.pid) { | |
886 | trace->pid_list = intlist__new(trace->opts.target.pid); | |
887 | if (trace->pid_list == NULL) { | |
888 | pr_err("Error parsing process id string\n"); | |
889 | return -EINVAL; | |
890 | } | |
891 | } | |
892 | ||
893 | if (trace->opts.target.tid) { | |
894 | trace->tid_list = intlist__new(trace->opts.target.tid); | |
895 | if (trace->tid_list == NULL) { | |
896 | pr_err("Error parsing thread id string\n"); | |
897 | return -EINVAL; | |
898 | } | |
899 | } | |
900 | ||
901 | return 0; | |
902 | } | |
903 | ||
f15eb531 | 904 | static int trace__run(struct trace *trace, int argc, const char **argv) |
514f1c67 | 905 | { |
334fe7a3 | 906 | struct perf_evlist *evlist = perf_evlist__new(); |
ba3d7dee | 907 | struct perf_evsel *evsel; |
efd5745e ACM |
908 | int err = -1, i; |
909 | unsigned long before; | |
f15eb531 | 910 | const bool forks = argc > 0; |
514f1c67 ACM |
911 | |
912 | if (evlist == NULL) { | |
c24ff998 | 913 | fprintf(trace->output, "Not enough memory to run!\n"); |
514f1c67 ACM |
914 | goto out; |
915 | } | |
916 | ||
39876e7d ACM |
917 | if (perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_enter", trace__sys_enter) || |
918 | perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_exit", trace__sys_exit)) { | |
c24ff998 | 919 | fprintf(trace->output, "Couldn't read the raw_syscalls tracepoints information!\n"); |
514f1c67 ACM |
920 | goto out_delete_evlist; |
921 | } | |
922 | ||
1302d88e ACM |
923 | if (trace->sched && |
924 | perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime", | |
925 | trace__sched_stat_runtime)) { | |
c24ff998 | 926 | fprintf(trace->output, "Couldn't read the sched_stat_runtime tracepoint information!\n"); |
1302d88e ACM |
927 | goto out_delete_evlist; |
928 | } | |
929 | ||
514f1c67 ACM |
930 | err = perf_evlist__create_maps(evlist, &trace->opts.target); |
931 | if (err < 0) { | |
c24ff998 | 932 | fprintf(trace->output, "Problems parsing the target to trace, check your options!\n"); |
514f1c67 ACM |
933 | goto out_delete_evlist; |
934 | } | |
935 | ||
752fde44 ACM |
936 | err = trace__symbols_init(trace, evlist); |
937 | if (err < 0) { | |
c24ff998 | 938 | fprintf(trace->output, "Problems initializing symbol libraries!\n"); |
3beb0861 | 939 | goto out_delete_maps; |
752fde44 ACM |
940 | } |
941 | ||
f77a9518 | 942 | perf_evlist__config(evlist, &trace->opts); |
514f1c67 | 943 | |
f15eb531 NK |
944 | signal(SIGCHLD, sig_handler); |
945 | signal(SIGINT, sig_handler); | |
946 | ||
947 | if (forks) { | |
6ef73ec4 | 948 | err = perf_evlist__prepare_workload(evlist, &trace->opts.target, |
55e162ea | 949 | argv, false, false); |
f15eb531 | 950 | if (err < 0) { |
c24ff998 | 951 | fprintf(trace->output, "Couldn't run the workload!\n"); |
3beb0861 | 952 | goto out_delete_maps; |
f15eb531 NK |
953 | } |
954 | } | |
955 | ||
514f1c67 ACM |
956 | err = perf_evlist__open(evlist); |
957 | if (err < 0) { | |
c24ff998 | 958 | fprintf(trace->output, "Couldn't create the events: %s\n", strerror(errno)); |
3beb0861 | 959 | goto out_delete_maps; |
514f1c67 ACM |
960 | } |
961 | ||
962 | err = perf_evlist__mmap(evlist, UINT_MAX, false); | |
963 | if (err < 0) { | |
c24ff998 | 964 | fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno)); |
3beb0861 | 965 | goto out_close_evlist; |
514f1c67 ACM |
966 | } |
967 | ||
968 | perf_evlist__enable(evlist); | |
f15eb531 NK |
969 | |
970 | if (forks) | |
971 | perf_evlist__start_workload(evlist); | |
972 | ||
752fde44 | 973 | trace->multiple_threads = evlist->threads->map[0] == -1 || evlist->threads->nr > 1; |
514f1c67 | 974 | again: |
efd5745e | 975 | before = trace->nr_events; |
514f1c67 ACM |
976 | |
977 | for (i = 0; i < evlist->nr_mmaps; i++) { | |
978 | union perf_event *event; | |
979 | ||
980 | while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { | |
981 | const u32 type = event->header.type; | |
ba3d7dee | 982 | tracepoint_handler handler; |
514f1c67 | 983 | struct perf_sample sample; |
514f1c67 | 984 | |
efd5745e | 985 | ++trace->nr_events; |
514f1c67 | 986 | |
514f1c67 ACM |
987 | err = perf_evlist__parse_sample(evlist, event, &sample); |
988 | if (err) { | |
c24ff998 | 989 | fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err); |
514f1c67 ACM |
990 | continue; |
991 | } | |
992 | ||
752fde44 ACM |
993 | if (trace->base_time == 0) |
994 | trace->base_time = sample.time; | |
995 | ||
996 | if (type != PERF_RECORD_SAMPLE) { | |
c24ff998 | 997 | trace__process_event(trace, &trace->host, event); |
752fde44 ACM |
998 | continue; |
999 | } | |
1000 | ||
514f1c67 ACM |
1001 | evsel = perf_evlist__id2evsel(evlist, sample.id); |
1002 | if (evsel == NULL) { | |
c24ff998 | 1003 | fprintf(trace->output, "Unknown tp ID %" PRIu64 ", skipping...\n", sample.id); |
514f1c67 ACM |
1004 | continue; |
1005 | } | |
1006 | ||
fc551f8d | 1007 | if (sample.raw_data == NULL) { |
c24ff998 | 1008 | fprintf(trace->output, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n", |
fc551f8d ACM |
1009 | perf_evsel__name(evsel), sample.tid, |
1010 | sample.cpu, sample.raw_size); | |
1011 | continue; | |
1012 | } | |
1013 | ||
ba3d7dee ACM |
1014 | handler = evsel->handler.func; |
1015 | handler(trace, evsel, &sample); | |
20c5f10e ACM |
1016 | |
1017 | if (done) | |
1018 | goto out_unmap_evlist; | |
514f1c67 ACM |
1019 | } |
1020 | } | |
1021 | ||
efd5745e | 1022 | if (trace->nr_events == before) { |
f15eb531 | 1023 | if (done) |
3beb0861 | 1024 | goto out_unmap_evlist; |
f15eb531 | 1025 | |
514f1c67 | 1026 | poll(evlist->pollfd, evlist->nr_fds, -1); |
f15eb531 NK |
1027 | } |
1028 | ||
1029 | if (done) | |
1030 | perf_evlist__disable(evlist); | |
514f1c67 ACM |
1031 | |
1032 | goto again; | |
1033 | ||
3beb0861 NK |
1034 | out_unmap_evlist: |
1035 | perf_evlist__munmap(evlist); | |
1036 | out_close_evlist: | |
1037 | perf_evlist__close(evlist); | |
1038 | out_delete_maps: | |
1039 | perf_evlist__delete_maps(evlist); | |
514f1c67 ACM |
1040 | out_delete_evlist: |
1041 | perf_evlist__delete(evlist); | |
1042 | out: | |
1043 | return err; | |
1044 | } | |
1045 | ||
6810fc91 DA |
1046 | static int trace__replay(struct trace *trace) |
1047 | { | |
1048 | const struct perf_evsel_str_handler handlers[] = { | |
1049 | { "raw_syscalls:sys_enter", trace__sys_enter, }, | |
1050 | { "raw_syscalls:sys_exit", trace__sys_exit, }, | |
1051 | }; | |
1052 | ||
1053 | struct perf_session *session; | |
1054 | int err = -1; | |
1055 | ||
1056 | trace->tool.sample = trace__process_sample; | |
1057 | trace->tool.mmap = perf_event__process_mmap; | |
384c671e | 1058 | trace->tool.mmap2 = perf_event__process_mmap2; |
6810fc91 DA |
1059 | trace->tool.comm = perf_event__process_comm; |
1060 | trace->tool.exit = perf_event__process_exit; | |
1061 | trace->tool.fork = perf_event__process_fork; | |
1062 | trace->tool.attr = perf_event__process_attr; | |
1063 | trace->tool.tracing_data = perf_event__process_tracing_data; | |
1064 | trace->tool.build_id = perf_event__process_build_id; | |
1065 | ||
1066 | trace->tool.ordered_samples = true; | |
1067 | trace->tool.ordering_requires_timestamps = true; | |
1068 | ||
1069 | /* add tid to output */ | |
1070 | trace->multiple_threads = true; | |
1071 | ||
1072 | if (symbol__init() < 0) | |
1073 | return -1; | |
1074 | ||
1075 | session = perf_session__new(input_name, O_RDONLY, 0, false, | |
1076 | &trace->tool); | |
1077 | if (session == NULL) | |
1078 | return -ENOMEM; | |
1079 | ||
1080 | err = perf_session__set_tracepoints_handlers(session, handlers); | |
1081 | if (err) | |
1082 | goto out; | |
1083 | ||
1084 | if (!perf_session__has_tp(session, "raw_syscalls:sys_enter")) { | |
1085 | pr_err("Data file does not have raw_syscalls:sys_enter events\n"); | |
1086 | goto out; | |
1087 | } | |
1088 | ||
1089 | if (!perf_session__has_tp(session, "raw_syscalls:sys_exit")) { | |
1090 | pr_err("Data file does not have raw_syscalls:sys_exit events\n"); | |
1091 | goto out; | |
1092 | } | |
1093 | ||
bdc89661 DA |
1094 | err = parse_target_str(trace); |
1095 | if (err != 0) | |
1096 | goto out; | |
1097 | ||
6810fc91 DA |
1098 | setup_pager(); |
1099 | ||
1100 | err = perf_session__process_events(session, &trace->tool); | |
1101 | if (err) | |
1102 | pr_err("Failed to process events, error %d", err); | |
1103 | ||
1104 | out: | |
1105 | perf_session__delete(session); | |
1106 | ||
1107 | return err; | |
1108 | } | |
1109 | ||
1302d88e ACM |
1110 | static size_t trace__fprintf_threads_header(FILE *fp) |
1111 | { | |
1112 | size_t printed; | |
1113 | ||
1114 | printed = fprintf(fp, "\n _____________________________________________________________________\n"); | |
1115 | printed += fprintf(fp," __) Summary of events (__\n\n"); | |
1116 | printed += fprintf(fp," [ task - pid ] [ events ] [ ratio ] [ runtime ]\n"); | |
1117 | printed += fprintf(fp," _____________________________________________________________________\n\n"); | |
1118 | ||
1119 | return printed; | |
1120 | } | |
1121 | ||
1122 | static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp) | |
1123 | { | |
1124 | size_t printed = trace__fprintf_threads_header(fp); | |
1125 | struct rb_node *nd; | |
1126 | ||
1127 | for (nd = rb_first(&trace->host.threads); nd; nd = rb_next(nd)) { | |
1128 | struct thread *thread = rb_entry(nd, struct thread, rb_node); | |
1129 | struct thread_trace *ttrace = thread->priv; | |
1130 | const char *color; | |
1131 | double ratio; | |
1132 | ||
1133 | if (ttrace == NULL) | |
1134 | continue; | |
1135 | ||
1136 | ratio = (double)ttrace->nr_events / trace->nr_events * 100.0; | |
1137 | ||
1138 | color = PERF_COLOR_NORMAL; | |
1139 | if (ratio > 50.0) | |
1140 | color = PERF_COLOR_RED; | |
1141 | else if (ratio > 25.0) | |
1142 | color = PERF_COLOR_GREEN; | |
1143 | else if (ratio > 5.0) | |
1144 | color = PERF_COLOR_YELLOW; | |
1145 | ||
1146 | printed += color_fprintf(fp, color, "%20s", thread->comm); | |
38051234 | 1147 | printed += fprintf(fp, " - %-5d :%11lu [", thread->tid, ttrace->nr_events); |
1302d88e ACM |
1148 | printed += color_fprintf(fp, color, "%5.1f%%", ratio); |
1149 | printed += fprintf(fp, " ] %10.3f ms\n", ttrace->runtime_ms); | |
1150 | } | |
1151 | ||
1152 | return printed; | |
1153 | } | |
1154 | ||
ae9ed035 ACM |
1155 | static int trace__set_duration(const struct option *opt, const char *str, |
1156 | int unset __maybe_unused) | |
1157 | { | |
1158 | struct trace *trace = opt->value; | |
1159 | ||
1160 | trace->duration_filter = atof(str); | |
1161 | return 0; | |
1162 | } | |
1163 | ||
c24ff998 ACM |
1164 | static int trace__open_output(struct trace *trace, const char *filename) |
1165 | { | |
1166 | struct stat st; | |
1167 | ||
1168 | if (!stat(filename, &st) && st.st_size) { | |
1169 | char oldname[PATH_MAX]; | |
1170 | ||
1171 | scnprintf(oldname, sizeof(oldname), "%s.old", filename); | |
1172 | unlink(oldname); | |
1173 | rename(filename, oldname); | |
1174 | } | |
1175 | ||
1176 | trace->output = fopen(filename, "w"); | |
1177 | ||
1178 | return trace->output == NULL ? -errno : 0; | |
1179 | } | |
1180 | ||
514f1c67 ACM |
1181 | int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) |
1182 | { | |
1183 | const char * const trace_usage[] = { | |
f15eb531 NK |
1184 | "perf trace [<options>] [<command>]", |
1185 | "perf trace [<options>] -- <command> [<options>]", | |
514f1c67 ACM |
1186 | NULL |
1187 | }; | |
1188 | struct trace trace = { | |
1189 | .audit_machine = audit_detect_machine(), | |
1190 | .syscalls = { | |
1191 | . max = -1, | |
1192 | }, | |
1193 | .opts = { | |
1194 | .target = { | |
1195 | .uid = UINT_MAX, | |
1196 | .uses_mmap = true, | |
1197 | }, | |
1198 | .user_freq = UINT_MAX, | |
1199 | .user_interval = ULLONG_MAX, | |
1200 | .no_delay = true, | |
1201 | .mmap_pages = 1024, | |
1202 | }, | |
c24ff998 | 1203 | .output = stdout, |
514f1c67 | 1204 | }; |
c24ff998 | 1205 | const char *output_name = NULL; |
2ae3a312 | 1206 | const char *ev_qualifier_str = NULL; |
514f1c67 | 1207 | const struct option trace_options[] = { |
2ae3a312 ACM |
1208 | OPT_STRING('e', "expr", &ev_qualifier_str, "expr", |
1209 | "list of events to trace"), | |
c24ff998 | 1210 | OPT_STRING('o', "output", &output_name, "file", "output file name"), |
6810fc91 | 1211 | OPT_STRING('i', "input", &input_name, "file", "Analyze events in file"), |
514f1c67 ACM |
1212 | OPT_STRING('p', "pid", &trace.opts.target.pid, "pid", |
1213 | "trace events on existing process id"), | |
ac9be8ee | 1214 | OPT_STRING('t', "tid", &trace.opts.target.tid, "tid", |
514f1c67 | 1215 | "trace events on existing thread id"), |
ac9be8ee | 1216 | OPT_BOOLEAN('a', "all-cpus", &trace.opts.target.system_wide, |
514f1c67 | 1217 | "system-wide collection from all CPUs"), |
ac9be8ee | 1218 | OPT_STRING('C', "cpu", &trace.opts.target.cpu_list, "cpu", |
514f1c67 | 1219 | "list of cpus to monitor"), |
6810fc91 | 1220 | OPT_BOOLEAN(0, "no-inherit", &trace.opts.no_inherit, |
514f1c67 | 1221 | "child tasks do not inherit counters"), |
ac9be8ee | 1222 | OPT_UINTEGER('m', "mmap-pages", &trace.opts.mmap_pages, |
514f1c67 | 1223 | "number of mmap data pages"), |
ac9be8ee | 1224 | OPT_STRING('u', "uid", &trace.opts.target.uid_str, "user", |
514f1c67 | 1225 | "user to profile"), |
ae9ed035 ACM |
1226 | OPT_CALLBACK(0, "duration", &trace, "float", |
1227 | "show only events with duration > N.M ms", | |
1228 | trace__set_duration), | |
1302d88e | 1229 | OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"), |
7c304ee0 | 1230 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), |
514f1c67 ACM |
1231 | OPT_END() |
1232 | }; | |
1233 | int err; | |
32caf0d1 | 1234 | char bf[BUFSIZ]; |
514f1c67 ACM |
1235 | |
1236 | argc = parse_options(argc, argv, trace_options, trace_usage, 0); | |
514f1c67 | 1237 | |
c24ff998 ACM |
1238 | if (output_name != NULL) { |
1239 | err = trace__open_output(&trace, output_name); | |
1240 | if (err < 0) { | |
1241 | perror("failed to create output file"); | |
1242 | goto out; | |
1243 | } | |
1244 | } | |
1245 | ||
2ae3a312 | 1246 | if (ev_qualifier_str != NULL) { |
b059efdf ACM |
1247 | const char *s = ev_qualifier_str; |
1248 | ||
1249 | trace.not_ev_qualifier = *s == '!'; | |
1250 | if (trace.not_ev_qualifier) | |
1251 | ++s; | |
1252 | trace.ev_qualifier = strlist__new(true, s); | |
2ae3a312 | 1253 | if (trace.ev_qualifier == NULL) { |
c24ff998 ACM |
1254 | fputs("Not enough memory to parse event qualifier", |
1255 | trace.output); | |
1256 | err = -ENOMEM; | |
1257 | goto out_close; | |
2ae3a312 ACM |
1258 | } |
1259 | } | |
1260 | ||
32caf0d1 NK |
1261 | err = perf_target__validate(&trace.opts.target); |
1262 | if (err) { | |
1263 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); | |
c24ff998 ACM |
1264 | fprintf(trace.output, "%s", bf); |
1265 | goto out_close; | |
32caf0d1 NK |
1266 | } |
1267 | ||
514f1c67 ACM |
1268 | err = perf_target__parse_uid(&trace.opts.target); |
1269 | if (err) { | |
514f1c67 | 1270 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); |
c24ff998 ACM |
1271 | fprintf(trace.output, "%s", bf); |
1272 | goto out_close; | |
514f1c67 ACM |
1273 | } |
1274 | ||
f15eb531 | 1275 | if (!argc && perf_target__none(&trace.opts.target)) |
ee76120e NK |
1276 | trace.opts.target.system_wide = true; |
1277 | ||
6810fc91 DA |
1278 | if (input_name) |
1279 | err = trace__replay(&trace); | |
1280 | else | |
1281 | err = trace__run(&trace, argc, argv); | |
1302d88e ACM |
1282 | |
1283 | if (trace.sched && !err) | |
c24ff998 | 1284 | trace__fprintf_thread_summary(&trace, trace.output); |
1302d88e | 1285 | |
c24ff998 ACM |
1286 | out_close: |
1287 | if (output_name != NULL) | |
1288 | fclose(trace.output); | |
1289 | out: | |
1302d88e | 1290 | return err; |
514f1c67 | 1291 | } |