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 | ||
01533e97 ACM |
36 | struct syscall_arg { |
37 | unsigned long val; | |
1f115cb7 | 38 | void *parm; |
01533e97 ACM |
39 | u8 idx; |
40 | u8 mask; | |
41 | }; | |
42 | ||
1f115cb7 ACM |
43 | struct strarray { |
44 | int nr_entries; | |
45 | const char **entries; | |
46 | }; | |
47 | ||
48 | #define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \ | |
49 | .nr_entries = ARRAY_SIZE(array), \ | |
50 | .entries = array, \ | |
51 | } | |
52 | ||
53 | static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size, | |
54 | struct syscall_arg *arg) | |
55 | { | |
56 | int idx = arg->val; | |
57 | struct strarray *sa = arg->parm; | |
58 | ||
59 | if (idx < 0 || idx >= sa->nr_entries) | |
60 | return scnprintf(bf, size, "%d", idx); | |
61 | ||
62 | return scnprintf(bf, size, "%s", sa->entries[idx]); | |
63 | } | |
64 | ||
65 | #define SCA_STRARRAY syscall_arg__scnprintf_strarray | |
66 | ||
6e7eeb51 | 67 | static size_t syscall_arg__scnprintf_hex(char *bf, size_t size, |
01533e97 | 68 | struct syscall_arg *arg) |
13d4ff3e | 69 | { |
01533e97 | 70 | return scnprintf(bf, size, "%#lx", arg->val); |
13d4ff3e ACM |
71 | } |
72 | ||
beccb2b5 ACM |
73 | #define SCA_HEX syscall_arg__scnprintf_hex |
74 | ||
579e7865 | 75 | static size_t syscall_arg__scnprintf_whence(char *bf, size_t size, |
01533e97 | 76 | struct syscall_arg *arg) |
579e7865 | 77 | { |
01533e97 | 78 | int whence = arg->val; |
579e7865 ACM |
79 | |
80 | switch (whence) { | |
81 | #define P_WHENCE(n) case SEEK_##n: return scnprintf(bf, size, #n) | |
82 | P_WHENCE(SET); | |
83 | P_WHENCE(CUR); | |
84 | P_WHENCE(END); | |
85 | #ifdef SEEK_DATA | |
86 | P_WHENCE(DATA); | |
87 | #endif | |
88 | #ifdef SEEK_HOLE | |
89 | P_WHENCE(HOLE); | |
90 | #endif | |
91 | #undef P_WHENCE | |
92 | default: break; | |
93 | } | |
94 | ||
95 | return scnprintf(bf, size, "%#x", whence); | |
96 | } | |
97 | ||
98 | #define SCA_WHENCE syscall_arg__scnprintf_whence | |
99 | ||
6e7eeb51 | 100 | static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, |
01533e97 | 101 | struct syscall_arg *arg) |
ae685380 | 102 | { |
01533e97 | 103 | int printed = 0, prot = arg->val; |
ae685380 ACM |
104 | |
105 | if (prot == PROT_NONE) | |
106 | return scnprintf(bf, size, "NONE"); | |
107 | #define P_MMAP_PROT(n) \ | |
108 | if (prot & PROT_##n) { \ | |
109 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
110 | prot &= ~PROT_##n; \ | |
111 | } | |
112 | ||
113 | P_MMAP_PROT(EXEC); | |
114 | P_MMAP_PROT(READ); | |
115 | P_MMAP_PROT(WRITE); | |
116 | #ifdef PROT_SEM | |
117 | P_MMAP_PROT(SEM); | |
118 | #endif | |
119 | P_MMAP_PROT(GROWSDOWN); | |
120 | P_MMAP_PROT(GROWSUP); | |
121 | #undef P_MMAP_PROT | |
122 | ||
123 | if (prot) | |
124 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot); | |
125 | ||
126 | return printed; | |
127 | } | |
128 | ||
129 | #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot | |
130 | ||
6e7eeb51 | 131 | static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, |
01533e97 | 132 | struct syscall_arg *arg) |
941557e0 | 133 | { |
01533e97 | 134 | int printed = 0, flags = arg->val; |
941557e0 ACM |
135 | |
136 | #define P_MMAP_FLAG(n) \ | |
137 | if (flags & MAP_##n) { \ | |
138 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
139 | flags &= ~MAP_##n; \ | |
140 | } | |
141 | ||
142 | P_MMAP_FLAG(SHARED); | |
143 | P_MMAP_FLAG(PRIVATE); | |
41817815 | 144 | #ifdef MAP_32BIT |
941557e0 | 145 | P_MMAP_FLAG(32BIT); |
41817815 | 146 | #endif |
941557e0 ACM |
147 | P_MMAP_FLAG(ANONYMOUS); |
148 | P_MMAP_FLAG(DENYWRITE); | |
149 | P_MMAP_FLAG(EXECUTABLE); | |
150 | P_MMAP_FLAG(FILE); | |
151 | P_MMAP_FLAG(FIXED); | |
152 | P_MMAP_FLAG(GROWSDOWN); | |
f2935f3e | 153 | #ifdef MAP_HUGETLB |
941557e0 | 154 | P_MMAP_FLAG(HUGETLB); |
f2935f3e | 155 | #endif |
941557e0 ACM |
156 | P_MMAP_FLAG(LOCKED); |
157 | P_MMAP_FLAG(NONBLOCK); | |
158 | P_MMAP_FLAG(NORESERVE); | |
159 | P_MMAP_FLAG(POPULATE); | |
160 | P_MMAP_FLAG(STACK); | |
161 | #ifdef MAP_UNINITIALIZED | |
162 | P_MMAP_FLAG(UNINITIALIZED); | |
163 | #endif | |
164 | #undef P_MMAP_FLAG | |
165 | ||
166 | if (flags) | |
167 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
168 | ||
169 | return printed; | |
170 | } | |
171 | ||
172 | #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags | |
173 | ||
6e7eeb51 | 174 | static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, |
01533e97 | 175 | struct syscall_arg *arg) |
9e9716d1 | 176 | { |
01533e97 | 177 | int behavior = arg->val; |
9e9716d1 ACM |
178 | |
179 | switch (behavior) { | |
180 | #define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n) | |
181 | P_MADV_BHV(NORMAL); | |
182 | P_MADV_BHV(RANDOM); | |
183 | P_MADV_BHV(SEQUENTIAL); | |
184 | P_MADV_BHV(WILLNEED); | |
185 | P_MADV_BHV(DONTNEED); | |
186 | P_MADV_BHV(REMOVE); | |
187 | P_MADV_BHV(DONTFORK); | |
188 | P_MADV_BHV(DOFORK); | |
189 | P_MADV_BHV(HWPOISON); | |
190 | #ifdef MADV_SOFT_OFFLINE | |
191 | P_MADV_BHV(SOFT_OFFLINE); | |
192 | #endif | |
193 | P_MADV_BHV(MERGEABLE); | |
194 | P_MADV_BHV(UNMERGEABLE); | |
f2935f3e | 195 | #ifdef MADV_HUGEPAGE |
9e9716d1 | 196 | P_MADV_BHV(HUGEPAGE); |
f2935f3e DA |
197 | #endif |
198 | #ifdef MADV_NOHUGEPAGE | |
9e9716d1 | 199 | P_MADV_BHV(NOHUGEPAGE); |
f2935f3e | 200 | #endif |
9e9716d1 ACM |
201 | #ifdef MADV_DONTDUMP |
202 | P_MADV_BHV(DONTDUMP); | |
203 | #endif | |
204 | #ifdef MADV_DODUMP | |
205 | P_MADV_BHV(DODUMP); | |
206 | #endif | |
207 | #undef P_MADV_PHV | |
208 | default: break; | |
209 | } | |
210 | ||
211 | return scnprintf(bf, size, "%#x", behavior); | |
212 | } | |
213 | ||
214 | #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior | |
215 | ||
01533e97 | 216 | static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct syscall_arg *arg) |
f9da0b0c ACM |
217 | { |
218 | enum syscall_futex_args { | |
219 | SCF_UADDR = (1 << 0), | |
220 | SCF_OP = (1 << 1), | |
221 | SCF_VAL = (1 << 2), | |
222 | SCF_TIMEOUT = (1 << 3), | |
223 | SCF_UADDR2 = (1 << 4), | |
224 | SCF_VAL3 = (1 << 5), | |
225 | }; | |
01533e97 | 226 | int op = arg->val; |
f9da0b0c ACM |
227 | int cmd = op & FUTEX_CMD_MASK; |
228 | size_t printed = 0; | |
229 | ||
230 | switch (cmd) { | |
231 | #define P_FUTEX_OP(n) case FUTEX_##n: printed = scnprintf(bf, size, #n); | |
01533e97 ACM |
232 | P_FUTEX_OP(WAIT); arg->mask |= SCF_VAL3|SCF_UADDR2; break; |
233 | P_FUTEX_OP(WAKE); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
234 | P_FUTEX_OP(FD); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
235 | P_FUTEX_OP(REQUEUE); arg->mask |= SCF_VAL3|SCF_TIMEOUT; break; | |
236 | P_FUTEX_OP(CMP_REQUEUE); arg->mask |= SCF_TIMEOUT; break; | |
237 | P_FUTEX_OP(CMP_REQUEUE_PI); arg->mask |= SCF_TIMEOUT; break; | |
f9da0b0c | 238 | P_FUTEX_OP(WAKE_OP); break; |
01533e97 ACM |
239 | P_FUTEX_OP(LOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; |
240 | P_FUTEX_OP(UNLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
241 | P_FUTEX_OP(TRYLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2; break; | |
242 | P_FUTEX_OP(WAIT_BITSET); arg->mask |= SCF_UADDR2; break; | |
243 | P_FUTEX_OP(WAKE_BITSET); arg->mask |= SCF_UADDR2; break; | |
f9da0b0c ACM |
244 | P_FUTEX_OP(WAIT_REQUEUE_PI); break; |
245 | default: printed = scnprintf(bf, size, "%#x", cmd); break; | |
246 | } | |
247 | ||
248 | if (op & FUTEX_PRIVATE_FLAG) | |
249 | printed += scnprintf(bf + printed, size - printed, "|PRIV"); | |
250 | ||
251 | if (op & FUTEX_CLOCK_REALTIME) | |
252 | printed += scnprintf(bf + printed, size - printed, "|CLKRT"); | |
253 | ||
254 | return printed; | |
255 | } | |
256 | ||
1f115cb7 ACM |
257 | static const char *itimers[] = { "REAL", "VIRTUAL", "PROF", }; |
258 | static DEFINE_STRARRAY(itimers); | |
259 | ||
f9da0b0c ACM |
260 | #define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op |
261 | ||
be65a89a | 262 | static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, |
01533e97 | 263 | struct syscall_arg *arg) |
be65a89a | 264 | { |
01533e97 | 265 | int printed = 0, flags = arg->val; |
be65a89a ACM |
266 | |
267 | if (!(flags & O_CREAT)) | |
01533e97 | 268 | arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */ |
be65a89a ACM |
269 | |
270 | if (flags == 0) | |
271 | return scnprintf(bf, size, "RDONLY"); | |
272 | #define P_FLAG(n) \ | |
273 | if (flags & O_##n) { \ | |
274 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
275 | flags &= ~O_##n; \ | |
276 | } | |
277 | ||
278 | P_FLAG(APPEND); | |
279 | P_FLAG(ASYNC); | |
280 | P_FLAG(CLOEXEC); | |
281 | P_FLAG(CREAT); | |
282 | P_FLAG(DIRECT); | |
283 | P_FLAG(DIRECTORY); | |
284 | P_FLAG(EXCL); | |
285 | P_FLAG(LARGEFILE); | |
286 | P_FLAG(NOATIME); | |
287 | P_FLAG(NOCTTY); | |
288 | #ifdef O_NONBLOCK | |
289 | P_FLAG(NONBLOCK); | |
290 | #elif O_NDELAY | |
291 | P_FLAG(NDELAY); | |
292 | #endif | |
293 | #ifdef O_PATH | |
294 | P_FLAG(PATH); | |
295 | #endif | |
296 | P_FLAG(RDWR); | |
297 | #ifdef O_DSYNC | |
298 | if ((flags & O_SYNC) == O_SYNC) | |
299 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC"); | |
300 | else { | |
301 | P_FLAG(DSYNC); | |
302 | } | |
303 | #else | |
304 | P_FLAG(SYNC); | |
305 | #endif | |
306 | P_FLAG(TRUNC); | |
307 | P_FLAG(WRONLY); | |
308 | #undef P_FLAG | |
309 | ||
310 | if (flags) | |
311 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
312 | ||
313 | return printed; | |
314 | } | |
315 | ||
316 | #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags | |
317 | ||
514f1c67 ACM |
318 | static struct syscall_fmt { |
319 | const char *name; | |
aec1930b | 320 | const char *alias; |
01533e97 | 321 | size_t (*arg_scnprintf[6])(char *bf, size_t size, struct syscall_arg *arg); |
1f115cb7 | 322 | void *arg_parm[6]; |
514f1c67 ACM |
323 | bool errmsg; |
324 | bool timeout; | |
04b34729 | 325 | bool hexret; |
514f1c67 | 326 | } syscall_fmts[] = { |
8b745263 | 327 | { .name = "access", .errmsg = true, }, |
aec1930b | 328 | { .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, |
beccb2b5 ACM |
329 | { .name = "brk", .hexret = true, |
330 | .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, }, | |
04b34729 | 331 | { .name = "mmap", .hexret = true, }, |
a14bb860 | 332 | { .name = "connect", .errmsg = true, }, |
aec1930b ACM |
333 | { .name = "fstat", .errmsg = true, .alias = "newfstat", }, |
334 | { .name = "fstatat", .errmsg = true, .alias = "newfstatat", }, | |
f9da0b0c ACM |
335 | { .name = "futex", .errmsg = true, |
336 | .arg_scnprintf = { [1] = SCA_FUTEX_OP, /* op */ }, }, | |
1f115cb7 ACM |
337 | { .name = "getitimer", .errmsg = true, |
338 | .arg_scnprintf = { [0] = SCA_STRARRAY, /* which */ }, | |
339 | .arg_parm = { [0] = &strarray__itimers, /* which */ }, }, | |
beccb2b5 ACM |
340 | { .name = "ioctl", .errmsg = true, |
341 | .arg_scnprintf = { [2] = SCA_HEX, /* arg */ }, }, | |
579e7865 ACM |
342 | { .name = "lseek", .errmsg = true, |
343 | .arg_scnprintf = { [2] = SCA_WHENCE, /* whence */ }, }, | |
e5959683 | 344 | { .name = "lstat", .errmsg = true, .alias = "newlstat", }, |
9e9716d1 ACM |
345 | { .name = "madvise", .errmsg = true, |
346 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ | |
347 | [2] = SCA_MADV_BHV, /* behavior */ }, }, | |
beccb2b5 | 348 | { .name = "mmap", .hexret = true, |
ae685380 | 349 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ |
941557e0 ACM |
350 | [2] = SCA_MMAP_PROT, /* prot */ |
351 | [3] = SCA_MMAP_FLAGS, /* flags */ }, }, | |
beccb2b5 | 352 | { .name = "mprotect", .errmsg = true, |
ae685380 ACM |
353 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ |
354 | [2] = SCA_MMAP_PROT, /* prot */ }, }, | |
355 | { .name = "mremap", .hexret = true, | |
356 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ | |
357 | [4] = SCA_HEX, /* new_addr */ }, }, | |
beccb2b5 ACM |
358 | { .name = "munmap", .errmsg = true, |
359 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
be65a89a ACM |
360 | { .name = "open", .errmsg = true, |
361 | .arg_scnprintf = { [1] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
31cd3855 ACM |
362 | { .name = "open_by_handle_at", .errmsg = true, |
363 | .arg_scnprintf = { [2] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
364 | { .name = "openat", .errmsg = true, | |
365 | .arg_scnprintf = { [2] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
aec1930b ACM |
366 | { .name = "poll", .errmsg = true, .timeout = true, }, |
367 | { .name = "ppoll", .errmsg = true, .timeout = true, }, | |
e5959683 ACM |
368 | { .name = "pread", .errmsg = true, .alias = "pread64", }, |
369 | { .name = "pwrite", .errmsg = true, .alias = "pwrite64", }, | |
aec1930b ACM |
370 | { .name = "read", .errmsg = true, }, |
371 | { .name = "recvfrom", .errmsg = true, }, | |
372 | { .name = "select", .errmsg = true, .timeout = true, }, | |
1f115cb7 ACM |
373 | { .name = "setitimer", .errmsg = true, |
374 | .arg_scnprintf = { [0] = SCA_STRARRAY, /* which */ }, | |
375 | .arg_parm = { [0] = &strarray__itimers, /* which */ }, }, | |
8b745263 | 376 | { .name = "socket", .errmsg = true, }, |
aec1930b | 377 | { .name = "stat", .errmsg = true, .alias = "newstat", }, |
e5959683 | 378 | { .name = "uname", .errmsg = true, .alias = "newuname", }, |
514f1c67 ACM |
379 | }; |
380 | ||
381 | static int syscall_fmt__cmp(const void *name, const void *fmtp) | |
382 | { | |
383 | const struct syscall_fmt *fmt = fmtp; | |
384 | return strcmp(name, fmt->name); | |
385 | } | |
386 | ||
387 | static struct syscall_fmt *syscall_fmt__find(const char *name) | |
388 | { | |
389 | const int nmemb = ARRAY_SIZE(syscall_fmts); | |
390 | return bsearch(name, syscall_fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp); | |
391 | } | |
392 | ||
393 | struct syscall { | |
394 | struct event_format *tp_format; | |
395 | const char *name; | |
2ae3a312 | 396 | bool filtered; |
514f1c67 | 397 | struct syscall_fmt *fmt; |
01533e97 | 398 | size_t (**arg_scnprintf)(char *bf, size_t size, struct syscall_arg *arg); |
1f115cb7 | 399 | void **arg_parm; |
514f1c67 ACM |
400 | }; |
401 | ||
60c907ab ACM |
402 | static size_t fprintf_duration(unsigned long t, FILE *fp) |
403 | { | |
404 | double duration = (double)t / NSEC_PER_MSEC; | |
405 | size_t printed = fprintf(fp, "("); | |
406 | ||
407 | if (duration >= 1.0) | |
408 | printed += color_fprintf(fp, PERF_COLOR_RED, "%6.3f ms", duration); | |
409 | else if (duration >= 0.01) | |
410 | printed += color_fprintf(fp, PERF_COLOR_YELLOW, "%6.3f ms", duration); | |
411 | else | |
412 | printed += color_fprintf(fp, PERF_COLOR_NORMAL, "%6.3f ms", duration); | |
c24ff998 | 413 | return printed + fprintf(fp, "): "); |
60c907ab ACM |
414 | } |
415 | ||
752fde44 ACM |
416 | struct thread_trace { |
417 | u64 entry_time; | |
418 | u64 exit_time; | |
419 | bool entry_pending; | |
efd5745e | 420 | unsigned long nr_events; |
752fde44 | 421 | char *entry_str; |
1302d88e | 422 | double runtime_ms; |
752fde44 ACM |
423 | }; |
424 | ||
425 | static struct thread_trace *thread_trace__new(void) | |
426 | { | |
427 | return zalloc(sizeof(struct thread_trace)); | |
428 | } | |
429 | ||
c24ff998 | 430 | static struct thread_trace *thread__trace(struct thread *thread, FILE *fp) |
752fde44 | 431 | { |
efd5745e ACM |
432 | struct thread_trace *ttrace; |
433 | ||
752fde44 ACM |
434 | if (thread == NULL) |
435 | goto fail; | |
436 | ||
437 | if (thread->priv == NULL) | |
438 | thread->priv = thread_trace__new(); | |
efd5745e | 439 | |
752fde44 ACM |
440 | if (thread->priv == NULL) |
441 | goto fail; | |
442 | ||
efd5745e ACM |
443 | ttrace = thread->priv; |
444 | ++ttrace->nr_events; | |
445 | ||
446 | return ttrace; | |
752fde44 | 447 | fail: |
c24ff998 | 448 | color_fprintf(fp, PERF_COLOR_RED, |
752fde44 ACM |
449 | "WARNING: not enough memory, dropping samples!\n"); |
450 | return NULL; | |
451 | } | |
452 | ||
514f1c67 | 453 | struct trace { |
c24ff998 | 454 | struct perf_tool tool; |
514f1c67 ACM |
455 | int audit_machine; |
456 | struct { | |
457 | int max; | |
458 | struct syscall *table; | |
459 | } syscalls; | |
460 | struct perf_record_opts opts; | |
752fde44 ACM |
461 | struct machine host; |
462 | u64 base_time; | |
c24ff998 | 463 | FILE *output; |
efd5745e | 464 | unsigned long nr_events; |
b059efdf ACM |
465 | struct strlist *ev_qualifier; |
466 | bool not_ev_qualifier; | |
bdc89661 DA |
467 | struct intlist *tid_list; |
468 | struct intlist *pid_list; | |
1302d88e | 469 | bool sched; |
752fde44 | 470 | bool multiple_threads; |
ae9ed035 | 471 | double duration_filter; |
1302d88e | 472 | double runtime_ms; |
514f1c67 ACM |
473 | }; |
474 | ||
ae9ed035 ACM |
475 | static bool trace__filter_duration(struct trace *trace, double t) |
476 | { | |
477 | return t < (trace->duration_filter * NSEC_PER_MSEC); | |
478 | } | |
479 | ||
752fde44 ACM |
480 | static size_t trace__fprintf_tstamp(struct trace *trace, u64 tstamp, FILE *fp) |
481 | { | |
482 | double ts = (double)(tstamp - trace->base_time) / NSEC_PER_MSEC; | |
483 | ||
60c907ab | 484 | return fprintf(fp, "%10.3f ", ts); |
752fde44 ACM |
485 | } |
486 | ||
f15eb531 NK |
487 | static bool done = false; |
488 | ||
489 | static void sig_handler(int sig __maybe_unused) | |
490 | { | |
491 | done = true; | |
492 | } | |
493 | ||
752fde44 | 494 | static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread, |
60c907ab | 495 | u64 duration, u64 tstamp, FILE *fp) |
752fde44 ACM |
496 | { |
497 | size_t printed = trace__fprintf_tstamp(trace, tstamp, fp); | |
60c907ab | 498 | printed += fprintf_duration(duration, fp); |
752fde44 ACM |
499 | |
500 | if (trace->multiple_threads) | |
38051234 | 501 | printed += fprintf(fp, "%d ", thread->tid); |
752fde44 ACM |
502 | |
503 | return printed; | |
504 | } | |
505 | ||
c24ff998 ACM |
506 | static int trace__process_event(struct trace *trace, struct machine *machine, |
507 | union perf_event *event) | |
752fde44 ACM |
508 | { |
509 | int ret = 0; | |
510 | ||
511 | switch (event->header.type) { | |
512 | case PERF_RECORD_LOST: | |
c24ff998 | 513 | color_fprintf(trace->output, PERF_COLOR_RED, |
752fde44 ACM |
514 | "LOST %" PRIu64 " events!\n", event->lost.lost); |
515 | ret = machine__process_lost_event(machine, event); | |
516 | default: | |
517 | ret = machine__process_event(machine, event); | |
518 | break; | |
519 | } | |
520 | ||
521 | return ret; | |
522 | } | |
523 | ||
c24ff998 | 524 | static int trace__tool_process(struct perf_tool *tool, |
752fde44 ACM |
525 | union perf_event *event, |
526 | struct perf_sample *sample __maybe_unused, | |
527 | struct machine *machine) | |
528 | { | |
c24ff998 ACM |
529 | struct trace *trace = container_of(tool, struct trace, tool); |
530 | return trace__process_event(trace, machine, event); | |
752fde44 ACM |
531 | } |
532 | ||
533 | static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist) | |
534 | { | |
535 | int err = symbol__init(); | |
536 | ||
537 | if (err) | |
538 | return err; | |
539 | ||
540 | machine__init(&trace->host, "", HOST_KERNEL_ID); | |
541 | machine__create_kernel_maps(&trace->host); | |
542 | ||
543 | if (perf_target__has_task(&trace->opts.target)) { | |
c24ff998 | 544 | err = perf_event__synthesize_thread_map(&trace->tool, evlist->threads, |
752fde44 ACM |
545 | trace__tool_process, |
546 | &trace->host); | |
547 | } else { | |
c24ff998 | 548 | err = perf_event__synthesize_threads(&trace->tool, trace__tool_process, |
752fde44 ACM |
549 | &trace->host); |
550 | } | |
551 | ||
552 | if (err) | |
553 | symbol__exit(); | |
554 | ||
555 | return err; | |
556 | } | |
557 | ||
13d4ff3e ACM |
558 | static int syscall__set_arg_fmts(struct syscall *sc) |
559 | { | |
560 | struct format_field *field; | |
561 | int idx = 0; | |
562 | ||
563 | sc->arg_scnprintf = calloc(sc->tp_format->format.nr_fields - 1, sizeof(void *)); | |
564 | if (sc->arg_scnprintf == NULL) | |
565 | return -1; | |
566 | ||
1f115cb7 ACM |
567 | if (sc->fmt) |
568 | sc->arg_parm = sc->fmt->arg_parm; | |
569 | ||
13d4ff3e | 570 | for (field = sc->tp_format->format.fields->next; field; field = field->next) { |
beccb2b5 ACM |
571 | if (sc->fmt && sc->fmt->arg_scnprintf[idx]) |
572 | sc->arg_scnprintf[idx] = sc->fmt->arg_scnprintf[idx]; | |
573 | else if (field->flags & FIELD_IS_POINTER) | |
13d4ff3e ACM |
574 | sc->arg_scnprintf[idx] = syscall_arg__scnprintf_hex; |
575 | ++idx; | |
576 | } | |
577 | ||
578 | return 0; | |
579 | } | |
580 | ||
514f1c67 ACM |
581 | static int trace__read_syscall_info(struct trace *trace, int id) |
582 | { | |
583 | char tp_name[128]; | |
584 | struct syscall *sc; | |
3a531260 ACM |
585 | const char *name = audit_syscall_to_name(id, trace->audit_machine); |
586 | ||
587 | if (name == NULL) | |
588 | return -1; | |
514f1c67 ACM |
589 | |
590 | if (id > trace->syscalls.max) { | |
591 | struct syscall *nsyscalls = realloc(trace->syscalls.table, (id + 1) * sizeof(*sc)); | |
592 | ||
593 | if (nsyscalls == NULL) | |
594 | return -1; | |
595 | ||
596 | if (trace->syscalls.max != -1) { | |
597 | memset(nsyscalls + trace->syscalls.max + 1, 0, | |
598 | (id - trace->syscalls.max) * sizeof(*sc)); | |
599 | } else { | |
600 | memset(nsyscalls, 0, (id + 1) * sizeof(*sc)); | |
601 | } | |
602 | ||
603 | trace->syscalls.table = nsyscalls; | |
604 | trace->syscalls.max = id; | |
605 | } | |
606 | ||
607 | sc = trace->syscalls.table + id; | |
3a531260 | 608 | sc->name = name; |
2ae3a312 | 609 | |
b059efdf ACM |
610 | if (trace->ev_qualifier) { |
611 | bool in = strlist__find(trace->ev_qualifier, name) != NULL; | |
612 | ||
613 | if (!(in ^ trace->not_ev_qualifier)) { | |
614 | sc->filtered = true; | |
615 | /* | |
616 | * No need to do read tracepoint information since this will be | |
617 | * filtered out. | |
618 | */ | |
619 | return 0; | |
620 | } | |
2ae3a312 ACM |
621 | } |
622 | ||
3a531260 | 623 | sc->fmt = syscall_fmt__find(sc->name); |
514f1c67 | 624 | |
aec1930b | 625 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name); |
514f1c67 | 626 | sc->tp_format = event_format__new("syscalls", tp_name); |
aec1930b ACM |
627 | |
628 | if (sc->tp_format == NULL && sc->fmt && sc->fmt->alias) { | |
629 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->fmt->alias); | |
630 | sc->tp_format = event_format__new("syscalls", tp_name); | |
631 | } | |
514f1c67 | 632 | |
13d4ff3e ACM |
633 | if (sc->tp_format == NULL) |
634 | return -1; | |
635 | ||
636 | return syscall__set_arg_fmts(sc); | |
514f1c67 ACM |
637 | } |
638 | ||
752fde44 ACM |
639 | static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, |
640 | unsigned long *args) | |
514f1c67 | 641 | { |
514f1c67 ACM |
642 | size_t printed = 0; |
643 | ||
644 | if (sc->tp_format != NULL) { | |
645 | struct format_field *field; | |
01533e97 ACM |
646 | u8 bit = 1; |
647 | struct syscall_arg arg = { | |
648 | .idx = 0, | |
649 | .mask = 0, | |
650 | }; | |
6e7eeb51 ACM |
651 | |
652 | for (field = sc->tp_format->format.fields->next; field; | |
01533e97 ACM |
653 | field = field->next, ++arg.idx, bit <<= 1) { |
654 | if (arg.mask & bit) | |
6e7eeb51 | 655 | continue; |
514f1c67 | 656 | |
752fde44 | 657 | printed += scnprintf(bf + printed, size - printed, |
13d4ff3e | 658 | "%s%s: ", printed ? ", " : "", field->name); |
01533e97 ACM |
659 | if (sc->arg_scnprintf && sc->arg_scnprintf[arg.idx]) { |
660 | arg.val = args[arg.idx]; | |
1f115cb7 ACM |
661 | if (sc->arg_parm) |
662 | arg.parm = sc->arg_parm[arg.idx]; | |
01533e97 ACM |
663 | printed += sc->arg_scnprintf[arg.idx](bf + printed, |
664 | size - printed, &arg); | |
6e7eeb51 | 665 | } else { |
13d4ff3e | 666 | printed += scnprintf(bf + printed, size - printed, |
01533e97 | 667 | "%ld", args[arg.idx]); |
6e7eeb51 | 668 | } |
514f1c67 ACM |
669 | } |
670 | } else { | |
01533e97 ACM |
671 | int i = 0; |
672 | ||
514f1c67 | 673 | while (i < 6) { |
752fde44 ACM |
674 | printed += scnprintf(bf + printed, size - printed, |
675 | "%sarg%d: %ld", | |
676 | printed ? ", " : "", i, args[i]); | |
514f1c67 ACM |
677 | ++i; |
678 | } | |
679 | } | |
680 | ||
681 | return printed; | |
682 | } | |
683 | ||
ba3d7dee ACM |
684 | typedef int (*tracepoint_handler)(struct trace *trace, struct perf_evsel *evsel, |
685 | struct perf_sample *sample); | |
686 | ||
687 | static struct syscall *trace__syscall_info(struct trace *trace, | |
688 | struct perf_evsel *evsel, | |
689 | struct perf_sample *sample) | |
690 | { | |
691 | int id = perf_evsel__intval(evsel, sample, "id"); | |
692 | ||
693 | if (id < 0) { | |
adaa18bf ACM |
694 | |
695 | /* | |
696 | * XXX: Noticed on x86_64, reproduced as far back as 3.0.36, haven't tried | |
697 | * before that, leaving at a higher verbosity level till that is | |
698 | * explained. Reproduced with plain ftrace with: | |
699 | * | |
700 | * echo 1 > /t/events/raw_syscalls/sys_exit/enable | |
701 | * grep "NR -1 " /t/trace_pipe | |
702 | * | |
703 | * After generating some load on the machine. | |
704 | */ | |
705 | if (verbose > 1) { | |
706 | static u64 n; | |
707 | fprintf(trace->output, "Invalid syscall %d id, skipping (%s, %" PRIu64 ") ...\n", | |
708 | id, perf_evsel__name(evsel), ++n); | |
709 | } | |
ba3d7dee ACM |
710 | return NULL; |
711 | } | |
712 | ||
713 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL) && | |
714 | trace__read_syscall_info(trace, id)) | |
715 | goto out_cant_read; | |
716 | ||
717 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL)) | |
718 | goto out_cant_read; | |
719 | ||
720 | return &trace->syscalls.table[id]; | |
721 | ||
722 | out_cant_read: | |
7c304ee0 ACM |
723 | if (verbose) { |
724 | fprintf(trace->output, "Problems reading syscall %d", id); | |
725 | if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL) | |
726 | fprintf(trace->output, "(%s)", trace->syscalls.table[id].name); | |
727 | fputs(" information\n", trace->output); | |
728 | } | |
ba3d7dee ACM |
729 | return NULL; |
730 | } | |
731 | ||
732 | static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel, | |
733 | struct perf_sample *sample) | |
734 | { | |
752fde44 | 735 | char *msg; |
ba3d7dee | 736 | void *args; |
752fde44 | 737 | size_t printed = 0; |
2ae3a312 | 738 | struct thread *thread; |
ba3d7dee | 739 | struct syscall *sc = trace__syscall_info(trace, evsel, sample); |
2ae3a312 ACM |
740 | struct thread_trace *ttrace; |
741 | ||
742 | if (sc == NULL) | |
743 | return -1; | |
ba3d7dee | 744 | |
2ae3a312 ACM |
745 | if (sc->filtered) |
746 | return 0; | |
747 | ||
314add6b AH |
748 | thread = machine__findnew_thread(&trace->host, sample->pid, |
749 | sample->tid); | |
c24ff998 | 750 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 751 | if (ttrace == NULL) |
ba3d7dee ACM |
752 | return -1; |
753 | ||
754 | args = perf_evsel__rawptr(evsel, sample, "args"); | |
755 | if (args == NULL) { | |
c24ff998 | 756 | fprintf(trace->output, "Problems reading syscall arguments\n"); |
ba3d7dee ACM |
757 | return -1; |
758 | } | |
759 | ||
752fde44 ACM |
760 | ttrace = thread->priv; |
761 | ||
762 | if (ttrace->entry_str == NULL) { | |
763 | ttrace->entry_str = malloc(1024); | |
764 | if (!ttrace->entry_str) | |
765 | return -1; | |
766 | } | |
767 | ||
768 | ttrace->entry_time = sample->time; | |
769 | msg = ttrace->entry_str; | |
770 | printed += scnprintf(msg + printed, 1024 - printed, "%s(", sc->name); | |
771 | ||
772 | printed += syscall__scnprintf_args(sc, msg + printed, 1024 - printed, args); | |
773 | ||
774 | if (!strcmp(sc->name, "exit_group") || !strcmp(sc->name, "exit")) { | |
ae9ed035 | 775 | if (!trace->duration_filter) { |
c24ff998 ACM |
776 | trace__fprintf_entry_head(trace, thread, 1, sample->time, trace->output); |
777 | fprintf(trace->output, "%-70s\n", ttrace->entry_str); | |
ae9ed035 | 778 | } |
752fde44 ACM |
779 | } else |
780 | ttrace->entry_pending = true; | |
ba3d7dee ACM |
781 | |
782 | return 0; | |
783 | } | |
784 | ||
785 | static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, | |
786 | struct perf_sample *sample) | |
787 | { | |
788 | int ret; | |
60c907ab | 789 | u64 duration = 0; |
2ae3a312 | 790 | struct thread *thread; |
ba3d7dee | 791 | struct syscall *sc = trace__syscall_info(trace, evsel, sample); |
2ae3a312 ACM |
792 | struct thread_trace *ttrace; |
793 | ||
794 | if (sc == NULL) | |
795 | return -1; | |
ba3d7dee | 796 | |
2ae3a312 ACM |
797 | if (sc->filtered) |
798 | return 0; | |
799 | ||
314add6b AH |
800 | thread = machine__findnew_thread(&trace->host, sample->pid, |
801 | sample->tid); | |
c24ff998 | 802 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 803 | if (ttrace == NULL) |
ba3d7dee ACM |
804 | return -1; |
805 | ||
806 | ret = perf_evsel__intval(evsel, sample, "ret"); | |
807 | ||
752fde44 ACM |
808 | ttrace = thread->priv; |
809 | ||
810 | ttrace->exit_time = sample->time; | |
811 | ||
ae9ed035 | 812 | if (ttrace->entry_time) { |
60c907ab | 813 | duration = sample->time - ttrace->entry_time; |
ae9ed035 ACM |
814 | if (trace__filter_duration(trace, duration)) |
815 | goto out; | |
816 | } else if (trace->duration_filter) | |
817 | goto out; | |
60c907ab | 818 | |
c24ff998 | 819 | trace__fprintf_entry_head(trace, thread, duration, sample->time, trace->output); |
752fde44 ACM |
820 | |
821 | if (ttrace->entry_pending) { | |
c24ff998 | 822 | fprintf(trace->output, "%-70s", ttrace->entry_str); |
752fde44 | 823 | } else { |
c24ff998 ACM |
824 | fprintf(trace->output, " ... ["); |
825 | color_fprintf(trace->output, PERF_COLOR_YELLOW, "continued"); | |
826 | fprintf(trace->output, "]: %s()", sc->name); | |
752fde44 ACM |
827 | } |
828 | ||
da3c9a44 ACM |
829 | if (sc->fmt == NULL) { |
830 | signed_print: | |
831 | fprintf(trace->output, ") = %d", ret); | |
832 | } else if (ret < 0 && sc->fmt->errmsg) { | |
ba3d7dee ACM |
833 | char bf[256]; |
834 | const char *emsg = strerror_r(-ret, bf, sizeof(bf)), | |
835 | *e = audit_errno_to_name(-ret); | |
836 | ||
c24ff998 | 837 | fprintf(trace->output, ") = -1 %s %s", e, emsg); |
da3c9a44 | 838 | } else if (ret == 0 && sc->fmt->timeout) |
c24ff998 | 839 | fprintf(trace->output, ") = 0 Timeout"); |
04b34729 ACM |
840 | else if (sc->fmt->hexret) |
841 | fprintf(trace->output, ") = %#x", ret); | |
ba3d7dee | 842 | else |
da3c9a44 | 843 | goto signed_print; |
ba3d7dee | 844 | |
c24ff998 | 845 | fputc('\n', trace->output); |
ae9ed035 | 846 | out: |
752fde44 ACM |
847 | ttrace->entry_pending = false; |
848 | ||
ba3d7dee ACM |
849 | return 0; |
850 | } | |
851 | ||
1302d88e ACM |
852 | static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel, |
853 | struct perf_sample *sample) | |
854 | { | |
855 | u64 runtime = perf_evsel__intval(evsel, sample, "runtime"); | |
856 | double runtime_ms = (double)runtime / NSEC_PER_MSEC; | |
314add6b AH |
857 | struct thread *thread = machine__findnew_thread(&trace->host, |
858 | sample->pid, | |
859 | sample->tid); | |
c24ff998 | 860 | struct thread_trace *ttrace = thread__trace(thread, trace->output); |
1302d88e ACM |
861 | |
862 | if (ttrace == NULL) | |
863 | goto out_dump; | |
864 | ||
865 | ttrace->runtime_ms += runtime_ms; | |
866 | trace->runtime_ms += runtime_ms; | |
867 | return 0; | |
868 | ||
869 | out_dump: | |
c24ff998 | 870 | fprintf(trace->output, "%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n", |
1302d88e ACM |
871 | evsel->name, |
872 | perf_evsel__strval(evsel, sample, "comm"), | |
873 | (pid_t)perf_evsel__intval(evsel, sample, "pid"), | |
874 | runtime, | |
875 | perf_evsel__intval(evsel, sample, "vruntime")); | |
876 | return 0; | |
877 | } | |
878 | ||
bdc89661 DA |
879 | static bool skip_sample(struct trace *trace, struct perf_sample *sample) |
880 | { | |
881 | if ((trace->pid_list && intlist__find(trace->pid_list, sample->pid)) || | |
882 | (trace->tid_list && intlist__find(trace->tid_list, sample->tid))) | |
883 | return false; | |
884 | ||
885 | if (trace->pid_list || trace->tid_list) | |
886 | return true; | |
887 | ||
888 | return false; | |
889 | } | |
890 | ||
6810fc91 DA |
891 | static int trace__process_sample(struct perf_tool *tool, |
892 | union perf_event *event __maybe_unused, | |
893 | struct perf_sample *sample, | |
894 | struct perf_evsel *evsel, | |
895 | struct machine *machine __maybe_unused) | |
896 | { | |
897 | struct trace *trace = container_of(tool, struct trace, tool); | |
898 | int err = 0; | |
899 | ||
900 | tracepoint_handler handler = evsel->handler.func; | |
901 | ||
bdc89661 DA |
902 | if (skip_sample(trace, sample)) |
903 | return 0; | |
904 | ||
6810fc91 DA |
905 | if (trace->base_time == 0) |
906 | trace->base_time = sample->time; | |
907 | ||
908 | if (handler) | |
909 | handler(trace, evsel, sample); | |
910 | ||
911 | return err; | |
912 | } | |
913 | ||
914 | static bool | |
915 | perf_session__has_tp(struct perf_session *session, const char *name) | |
916 | { | |
917 | struct perf_evsel *evsel; | |
918 | ||
919 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, name); | |
920 | ||
921 | return evsel != NULL; | |
922 | } | |
923 | ||
bdc89661 DA |
924 | static int parse_target_str(struct trace *trace) |
925 | { | |
926 | if (trace->opts.target.pid) { | |
927 | trace->pid_list = intlist__new(trace->opts.target.pid); | |
928 | if (trace->pid_list == NULL) { | |
929 | pr_err("Error parsing process id string\n"); | |
930 | return -EINVAL; | |
931 | } | |
932 | } | |
933 | ||
934 | if (trace->opts.target.tid) { | |
935 | trace->tid_list = intlist__new(trace->opts.target.tid); | |
936 | if (trace->tid_list == NULL) { | |
937 | pr_err("Error parsing thread id string\n"); | |
938 | return -EINVAL; | |
939 | } | |
940 | } | |
941 | ||
942 | return 0; | |
943 | } | |
944 | ||
f15eb531 | 945 | static int trace__run(struct trace *trace, int argc, const char **argv) |
514f1c67 | 946 | { |
334fe7a3 | 947 | struct perf_evlist *evlist = perf_evlist__new(); |
ba3d7dee | 948 | struct perf_evsel *evsel; |
efd5745e ACM |
949 | int err = -1, i; |
950 | unsigned long before; | |
f15eb531 | 951 | const bool forks = argc > 0; |
514f1c67 ACM |
952 | |
953 | if (evlist == NULL) { | |
c24ff998 | 954 | fprintf(trace->output, "Not enough memory to run!\n"); |
514f1c67 ACM |
955 | goto out; |
956 | } | |
957 | ||
39876e7d ACM |
958 | if (perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_enter", trace__sys_enter) || |
959 | perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_exit", trace__sys_exit)) { | |
c24ff998 | 960 | fprintf(trace->output, "Couldn't read the raw_syscalls tracepoints information!\n"); |
514f1c67 ACM |
961 | goto out_delete_evlist; |
962 | } | |
963 | ||
1302d88e ACM |
964 | if (trace->sched && |
965 | perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime", | |
966 | trace__sched_stat_runtime)) { | |
c24ff998 | 967 | fprintf(trace->output, "Couldn't read the sched_stat_runtime tracepoint information!\n"); |
1302d88e ACM |
968 | goto out_delete_evlist; |
969 | } | |
970 | ||
514f1c67 ACM |
971 | err = perf_evlist__create_maps(evlist, &trace->opts.target); |
972 | if (err < 0) { | |
c24ff998 | 973 | fprintf(trace->output, "Problems parsing the target to trace, check your options!\n"); |
514f1c67 ACM |
974 | goto out_delete_evlist; |
975 | } | |
976 | ||
752fde44 ACM |
977 | err = trace__symbols_init(trace, evlist); |
978 | if (err < 0) { | |
c24ff998 | 979 | fprintf(trace->output, "Problems initializing symbol libraries!\n"); |
3beb0861 | 980 | goto out_delete_maps; |
752fde44 ACM |
981 | } |
982 | ||
f77a9518 | 983 | perf_evlist__config(evlist, &trace->opts); |
514f1c67 | 984 | |
f15eb531 NK |
985 | signal(SIGCHLD, sig_handler); |
986 | signal(SIGINT, sig_handler); | |
987 | ||
988 | if (forks) { | |
6ef73ec4 | 989 | err = perf_evlist__prepare_workload(evlist, &trace->opts.target, |
55e162ea | 990 | argv, false, false); |
f15eb531 | 991 | if (err < 0) { |
c24ff998 | 992 | fprintf(trace->output, "Couldn't run the workload!\n"); |
3beb0861 | 993 | goto out_delete_maps; |
f15eb531 NK |
994 | } |
995 | } | |
996 | ||
514f1c67 ACM |
997 | err = perf_evlist__open(evlist); |
998 | if (err < 0) { | |
c24ff998 | 999 | fprintf(trace->output, "Couldn't create the events: %s\n", strerror(errno)); |
3beb0861 | 1000 | goto out_delete_maps; |
514f1c67 ACM |
1001 | } |
1002 | ||
1003 | err = perf_evlist__mmap(evlist, UINT_MAX, false); | |
1004 | if (err < 0) { | |
c24ff998 | 1005 | fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno)); |
3beb0861 | 1006 | goto out_close_evlist; |
514f1c67 ACM |
1007 | } |
1008 | ||
1009 | perf_evlist__enable(evlist); | |
f15eb531 NK |
1010 | |
1011 | if (forks) | |
1012 | perf_evlist__start_workload(evlist); | |
1013 | ||
752fde44 | 1014 | trace->multiple_threads = evlist->threads->map[0] == -1 || evlist->threads->nr > 1; |
514f1c67 | 1015 | again: |
efd5745e | 1016 | before = trace->nr_events; |
514f1c67 ACM |
1017 | |
1018 | for (i = 0; i < evlist->nr_mmaps; i++) { | |
1019 | union perf_event *event; | |
1020 | ||
1021 | while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { | |
1022 | const u32 type = event->header.type; | |
ba3d7dee | 1023 | tracepoint_handler handler; |
514f1c67 | 1024 | struct perf_sample sample; |
514f1c67 | 1025 | |
efd5745e | 1026 | ++trace->nr_events; |
514f1c67 | 1027 | |
514f1c67 ACM |
1028 | err = perf_evlist__parse_sample(evlist, event, &sample); |
1029 | if (err) { | |
c24ff998 | 1030 | fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err); |
514f1c67 ACM |
1031 | continue; |
1032 | } | |
1033 | ||
752fde44 ACM |
1034 | if (trace->base_time == 0) |
1035 | trace->base_time = sample.time; | |
1036 | ||
1037 | if (type != PERF_RECORD_SAMPLE) { | |
c24ff998 | 1038 | trace__process_event(trace, &trace->host, event); |
752fde44 ACM |
1039 | continue; |
1040 | } | |
1041 | ||
514f1c67 ACM |
1042 | evsel = perf_evlist__id2evsel(evlist, sample.id); |
1043 | if (evsel == NULL) { | |
c24ff998 | 1044 | fprintf(trace->output, "Unknown tp ID %" PRIu64 ", skipping...\n", sample.id); |
514f1c67 ACM |
1045 | continue; |
1046 | } | |
1047 | ||
fc551f8d | 1048 | if (sample.raw_data == NULL) { |
c24ff998 | 1049 | fprintf(trace->output, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n", |
fc551f8d ACM |
1050 | perf_evsel__name(evsel), sample.tid, |
1051 | sample.cpu, sample.raw_size); | |
1052 | continue; | |
1053 | } | |
1054 | ||
ba3d7dee ACM |
1055 | handler = evsel->handler.func; |
1056 | handler(trace, evsel, &sample); | |
20c5f10e ACM |
1057 | |
1058 | if (done) | |
1059 | goto out_unmap_evlist; | |
514f1c67 ACM |
1060 | } |
1061 | } | |
1062 | ||
efd5745e | 1063 | if (trace->nr_events == before) { |
f15eb531 | 1064 | if (done) |
3beb0861 | 1065 | goto out_unmap_evlist; |
f15eb531 | 1066 | |
514f1c67 | 1067 | poll(evlist->pollfd, evlist->nr_fds, -1); |
f15eb531 NK |
1068 | } |
1069 | ||
1070 | if (done) | |
1071 | perf_evlist__disable(evlist); | |
514f1c67 ACM |
1072 | |
1073 | goto again; | |
1074 | ||
3beb0861 NK |
1075 | out_unmap_evlist: |
1076 | perf_evlist__munmap(evlist); | |
1077 | out_close_evlist: | |
1078 | perf_evlist__close(evlist); | |
1079 | out_delete_maps: | |
1080 | perf_evlist__delete_maps(evlist); | |
514f1c67 ACM |
1081 | out_delete_evlist: |
1082 | perf_evlist__delete(evlist); | |
1083 | out: | |
1084 | return err; | |
1085 | } | |
1086 | ||
6810fc91 DA |
1087 | static int trace__replay(struct trace *trace) |
1088 | { | |
1089 | const struct perf_evsel_str_handler handlers[] = { | |
1090 | { "raw_syscalls:sys_enter", trace__sys_enter, }, | |
1091 | { "raw_syscalls:sys_exit", trace__sys_exit, }, | |
1092 | }; | |
1093 | ||
1094 | struct perf_session *session; | |
1095 | int err = -1; | |
1096 | ||
1097 | trace->tool.sample = trace__process_sample; | |
1098 | trace->tool.mmap = perf_event__process_mmap; | |
384c671e | 1099 | trace->tool.mmap2 = perf_event__process_mmap2; |
6810fc91 DA |
1100 | trace->tool.comm = perf_event__process_comm; |
1101 | trace->tool.exit = perf_event__process_exit; | |
1102 | trace->tool.fork = perf_event__process_fork; | |
1103 | trace->tool.attr = perf_event__process_attr; | |
1104 | trace->tool.tracing_data = perf_event__process_tracing_data; | |
1105 | trace->tool.build_id = perf_event__process_build_id; | |
1106 | ||
1107 | trace->tool.ordered_samples = true; | |
1108 | trace->tool.ordering_requires_timestamps = true; | |
1109 | ||
1110 | /* add tid to output */ | |
1111 | trace->multiple_threads = true; | |
1112 | ||
1113 | if (symbol__init() < 0) | |
1114 | return -1; | |
1115 | ||
1116 | session = perf_session__new(input_name, O_RDONLY, 0, false, | |
1117 | &trace->tool); | |
1118 | if (session == NULL) | |
1119 | return -ENOMEM; | |
1120 | ||
1121 | err = perf_session__set_tracepoints_handlers(session, handlers); | |
1122 | if (err) | |
1123 | goto out; | |
1124 | ||
1125 | if (!perf_session__has_tp(session, "raw_syscalls:sys_enter")) { | |
1126 | pr_err("Data file does not have raw_syscalls:sys_enter events\n"); | |
1127 | goto out; | |
1128 | } | |
1129 | ||
1130 | if (!perf_session__has_tp(session, "raw_syscalls:sys_exit")) { | |
1131 | pr_err("Data file does not have raw_syscalls:sys_exit events\n"); | |
1132 | goto out; | |
1133 | } | |
1134 | ||
bdc89661 DA |
1135 | err = parse_target_str(trace); |
1136 | if (err != 0) | |
1137 | goto out; | |
1138 | ||
6810fc91 DA |
1139 | setup_pager(); |
1140 | ||
1141 | err = perf_session__process_events(session, &trace->tool); | |
1142 | if (err) | |
1143 | pr_err("Failed to process events, error %d", err); | |
1144 | ||
1145 | out: | |
1146 | perf_session__delete(session); | |
1147 | ||
1148 | return err; | |
1149 | } | |
1150 | ||
1302d88e ACM |
1151 | static size_t trace__fprintf_threads_header(FILE *fp) |
1152 | { | |
1153 | size_t printed; | |
1154 | ||
1155 | printed = fprintf(fp, "\n _____________________________________________________________________\n"); | |
1156 | printed += fprintf(fp," __) Summary of events (__\n\n"); | |
1157 | printed += fprintf(fp," [ task - pid ] [ events ] [ ratio ] [ runtime ]\n"); | |
1158 | printed += fprintf(fp," _____________________________________________________________________\n\n"); | |
1159 | ||
1160 | return printed; | |
1161 | } | |
1162 | ||
1163 | static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp) | |
1164 | { | |
1165 | size_t printed = trace__fprintf_threads_header(fp); | |
1166 | struct rb_node *nd; | |
1167 | ||
1168 | for (nd = rb_first(&trace->host.threads); nd; nd = rb_next(nd)) { | |
1169 | struct thread *thread = rb_entry(nd, struct thread, rb_node); | |
1170 | struct thread_trace *ttrace = thread->priv; | |
1171 | const char *color; | |
1172 | double ratio; | |
1173 | ||
1174 | if (ttrace == NULL) | |
1175 | continue; | |
1176 | ||
1177 | ratio = (double)ttrace->nr_events / trace->nr_events * 100.0; | |
1178 | ||
1179 | color = PERF_COLOR_NORMAL; | |
1180 | if (ratio > 50.0) | |
1181 | color = PERF_COLOR_RED; | |
1182 | else if (ratio > 25.0) | |
1183 | color = PERF_COLOR_GREEN; | |
1184 | else if (ratio > 5.0) | |
1185 | color = PERF_COLOR_YELLOW; | |
1186 | ||
1187 | printed += color_fprintf(fp, color, "%20s", thread->comm); | |
38051234 | 1188 | printed += fprintf(fp, " - %-5d :%11lu [", thread->tid, ttrace->nr_events); |
1302d88e ACM |
1189 | printed += color_fprintf(fp, color, "%5.1f%%", ratio); |
1190 | printed += fprintf(fp, " ] %10.3f ms\n", ttrace->runtime_ms); | |
1191 | } | |
1192 | ||
1193 | return printed; | |
1194 | } | |
1195 | ||
ae9ed035 ACM |
1196 | static int trace__set_duration(const struct option *opt, const char *str, |
1197 | int unset __maybe_unused) | |
1198 | { | |
1199 | struct trace *trace = opt->value; | |
1200 | ||
1201 | trace->duration_filter = atof(str); | |
1202 | return 0; | |
1203 | } | |
1204 | ||
c24ff998 ACM |
1205 | static int trace__open_output(struct trace *trace, const char *filename) |
1206 | { | |
1207 | struct stat st; | |
1208 | ||
1209 | if (!stat(filename, &st) && st.st_size) { | |
1210 | char oldname[PATH_MAX]; | |
1211 | ||
1212 | scnprintf(oldname, sizeof(oldname), "%s.old", filename); | |
1213 | unlink(oldname); | |
1214 | rename(filename, oldname); | |
1215 | } | |
1216 | ||
1217 | trace->output = fopen(filename, "w"); | |
1218 | ||
1219 | return trace->output == NULL ? -errno : 0; | |
1220 | } | |
1221 | ||
514f1c67 ACM |
1222 | int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) |
1223 | { | |
1224 | const char * const trace_usage[] = { | |
f15eb531 NK |
1225 | "perf trace [<options>] [<command>]", |
1226 | "perf trace [<options>] -- <command> [<options>]", | |
514f1c67 ACM |
1227 | NULL |
1228 | }; | |
1229 | struct trace trace = { | |
1230 | .audit_machine = audit_detect_machine(), | |
1231 | .syscalls = { | |
1232 | . max = -1, | |
1233 | }, | |
1234 | .opts = { | |
1235 | .target = { | |
1236 | .uid = UINT_MAX, | |
1237 | .uses_mmap = true, | |
1238 | }, | |
1239 | .user_freq = UINT_MAX, | |
1240 | .user_interval = ULLONG_MAX, | |
1241 | .no_delay = true, | |
1242 | .mmap_pages = 1024, | |
1243 | }, | |
c24ff998 | 1244 | .output = stdout, |
514f1c67 | 1245 | }; |
c24ff998 | 1246 | const char *output_name = NULL; |
2ae3a312 | 1247 | const char *ev_qualifier_str = NULL; |
514f1c67 | 1248 | const struct option trace_options[] = { |
2ae3a312 ACM |
1249 | OPT_STRING('e', "expr", &ev_qualifier_str, "expr", |
1250 | "list of events to trace"), | |
c24ff998 | 1251 | OPT_STRING('o', "output", &output_name, "file", "output file name"), |
6810fc91 | 1252 | OPT_STRING('i', "input", &input_name, "file", "Analyze events in file"), |
514f1c67 ACM |
1253 | OPT_STRING('p', "pid", &trace.opts.target.pid, "pid", |
1254 | "trace events on existing process id"), | |
ac9be8ee | 1255 | OPT_STRING('t', "tid", &trace.opts.target.tid, "tid", |
514f1c67 | 1256 | "trace events on existing thread id"), |
ac9be8ee | 1257 | OPT_BOOLEAN('a', "all-cpus", &trace.opts.target.system_wide, |
514f1c67 | 1258 | "system-wide collection from all CPUs"), |
ac9be8ee | 1259 | OPT_STRING('C', "cpu", &trace.opts.target.cpu_list, "cpu", |
514f1c67 | 1260 | "list of cpus to monitor"), |
6810fc91 | 1261 | OPT_BOOLEAN(0, "no-inherit", &trace.opts.no_inherit, |
514f1c67 | 1262 | "child tasks do not inherit counters"), |
ac9be8ee | 1263 | OPT_UINTEGER('m', "mmap-pages", &trace.opts.mmap_pages, |
514f1c67 | 1264 | "number of mmap data pages"), |
ac9be8ee | 1265 | OPT_STRING('u', "uid", &trace.opts.target.uid_str, "user", |
514f1c67 | 1266 | "user to profile"), |
ae9ed035 ACM |
1267 | OPT_CALLBACK(0, "duration", &trace, "float", |
1268 | "show only events with duration > N.M ms", | |
1269 | trace__set_duration), | |
1302d88e | 1270 | OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"), |
7c304ee0 | 1271 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), |
514f1c67 ACM |
1272 | OPT_END() |
1273 | }; | |
1274 | int err; | |
32caf0d1 | 1275 | char bf[BUFSIZ]; |
514f1c67 ACM |
1276 | |
1277 | argc = parse_options(argc, argv, trace_options, trace_usage, 0); | |
514f1c67 | 1278 | |
c24ff998 ACM |
1279 | if (output_name != NULL) { |
1280 | err = trace__open_output(&trace, output_name); | |
1281 | if (err < 0) { | |
1282 | perror("failed to create output file"); | |
1283 | goto out; | |
1284 | } | |
1285 | } | |
1286 | ||
2ae3a312 | 1287 | if (ev_qualifier_str != NULL) { |
b059efdf ACM |
1288 | const char *s = ev_qualifier_str; |
1289 | ||
1290 | trace.not_ev_qualifier = *s == '!'; | |
1291 | if (trace.not_ev_qualifier) | |
1292 | ++s; | |
1293 | trace.ev_qualifier = strlist__new(true, s); | |
2ae3a312 | 1294 | if (trace.ev_qualifier == NULL) { |
c24ff998 ACM |
1295 | fputs("Not enough memory to parse event qualifier", |
1296 | trace.output); | |
1297 | err = -ENOMEM; | |
1298 | goto out_close; | |
2ae3a312 ACM |
1299 | } |
1300 | } | |
1301 | ||
32caf0d1 NK |
1302 | err = perf_target__validate(&trace.opts.target); |
1303 | if (err) { | |
1304 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); | |
c24ff998 ACM |
1305 | fprintf(trace.output, "%s", bf); |
1306 | goto out_close; | |
32caf0d1 NK |
1307 | } |
1308 | ||
514f1c67 ACM |
1309 | err = perf_target__parse_uid(&trace.opts.target); |
1310 | if (err) { | |
514f1c67 | 1311 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); |
c24ff998 ACM |
1312 | fprintf(trace.output, "%s", bf); |
1313 | goto out_close; | |
514f1c67 ACM |
1314 | } |
1315 | ||
f15eb531 | 1316 | if (!argc && perf_target__none(&trace.opts.target)) |
ee76120e NK |
1317 | trace.opts.target.system_wide = true; |
1318 | ||
6810fc91 DA |
1319 | if (input_name) |
1320 | err = trace__replay(&trace); | |
1321 | else | |
1322 | err = trace__run(&trace, argc, argv); | |
1302d88e ACM |
1323 | |
1324 | if (trace.sched && !err) | |
c24ff998 | 1325 | trace__fprintf_thread_summary(&trace, trace.output); |
1302d88e | 1326 | |
c24ff998 ACM |
1327 | out_close: |
1328 | if (output_name != NULL) | |
1329 | fclose(trace.output); | |
1330 | out: | |
1302d88e | 1331 | return err; |
514f1c67 | 1332 | } |