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