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Commit | Line | Data |
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5f9c39dc FW |
1 | #include "builtin.h" |
2 | ||
b7eead86 | 3 | #include "perf.h" |
5f9c39dc | 4 | #include "util/cache.h" |
b7eead86 AG |
5 | #include "util/debug.h" |
6 | #include "util/exec_cmd.h" | |
7 | #include "util/header.h" | |
8 | #include "util/parse-options.h" | |
9 | #include "util/session.h" | |
45694aa7 | 10 | #include "util/tool.h" |
5f9c39dc FW |
11 | #include "util/symbol.h" |
12 | #include "util/thread.h" | |
cf72344d | 13 | #include "util/trace-event.h" |
b7eead86 | 14 | #include "util/util.h" |
1424dc96 DA |
15 | #include "util/evlist.h" |
16 | #include "util/evsel.h" | |
36385be5 | 17 | #include "util/sort.h" |
5d67be97 | 18 | #include <linux/bitmap.h> |
5f9c39dc | 19 | |
956ffd02 TZ |
20 | static char const *script_name; |
21 | static char const *generate_script_lang; | |
ffabd99e | 22 | static bool debug_mode; |
e1889d75 | 23 | static u64 last_timestamp; |
6fcf7ddb | 24 | static u64 nr_unordered; |
34c86ea9 | 25 | extern const struct option record_options[]; |
c0230b2b | 26 | static bool no_callchain; |
fbe96f29 | 27 | static bool show_full_info; |
317df650 | 28 | static bool system_wide; |
5d67be97 AB |
29 | static const char *cpu_list; |
30 | static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); | |
956ffd02 | 31 | |
745f43e3 DA |
32 | enum perf_output_field { |
33 | PERF_OUTPUT_COMM = 1U << 0, | |
34 | PERF_OUTPUT_TID = 1U << 1, | |
35 | PERF_OUTPUT_PID = 1U << 2, | |
36 | PERF_OUTPUT_TIME = 1U << 3, | |
37 | PERF_OUTPUT_CPU = 1U << 4, | |
38 | PERF_OUTPUT_EVNAME = 1U << 5, | |
39 | PERF_OUTPUT_TRACE = 1U << 6, | |
787bef17 DA |
40 | PERF_OUTPUT_IP = 1U << 7, |
41 | PERF_OUTPUT_SYM = 1U << 8, | |
610723f2 | 42 | PERF_OUTPUT_DSO = 1U << 9, |
7cec0922 | 43 | PERF_OUTPUT_ADDR = 1U << 10, |
a978f2ab | 44 | PERF_OUTPUT_SYMOFFSET = 1U << 11, |
745f43e3 DA |
45 | }; |
46 | ||
47 | struct output_option { | |
48 | const char *str; | |
49 | enum perf_output_field field; | |
50 | } all_output_options[] = { | |
51 | {.str = "comm", .field = PERF_OUTPUT_COMM}, | |
52 | {.str = "tid", .field = PERF_OUTPUT_TID}, | |
53 | {.str = "pid", .field = PERF_OUTPUT_PID}, | |
54 | {.str = "time", .field = PERF_OUTPUT_TIME}, | |
55 | {.str = "cpu", .field = PERF_OUTPUT_CPU}, | |
56 | {.str = "event", .field = PERF_OUTPUT_EVNAME}, | |
57 | {.str = "trace", .field = PERF_OUTPUT_TRACE}, | |
787bef17 | 58 | {.str = "ip", .field = PERF_OUTPUT_IP}, |
c0230b2b | 59 | {.str = "sym", .field = PERF_OUTPUT_SYM}, |
610723f2 | 60 | {.str = "dso", .field = PERF_OUTPUT_DSO}, |
7cec0922 | 61 | {.str = "addr", .field = PERF_OUTPUT_ADDR}, |
a978f2ab | 62 | {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, |
745f43e3 DA |
63 | }; |
64 | ||
65 | /* default set to maintain compatibility with current format */ | |
2c9e45f7 DA |
66 | static struct { |
67 | bool user_set; | |
9cbdb702 | 68 | bool wildcard_set; |
2c9e45f7 DA |
69 | u64 fields; |
70 | u64 invalid_fields; | |
71 | } output[PERF_TYPE_MAX] = { | |
72 | ||
73 | [PERF_TYPE_HARDWARE] = { | |
74 | .user_set = false, | |
75 | ||
76 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
77 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 78 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 79 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
2c9e45f7 DA |
80 | |
81 | .invalid_fields = PERF_OUTPUT_TRACE, | |
82 | }, | |
83 | ||
84 | [PERF_TYPE_SOFTWARE] = { | |
85 | .user_set = false, | |
86 | ||
87 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
88 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 89 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 90 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
2c9e45f7 DA |
91 | |
92 | .invalid_fields = PERF_OUTPUT_TRACE, | |
93 | }, | |
94 | ||
95 | [PERF_TYPE_TRACEPOINT] = { | |
96 | .user_set = false, | |
97 | ||
98 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
99 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
100 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE, | |
101 | }, | |
0817a6a3 AS |
102 | |
103 | [PERF_TYPE_RAW] = { | |
104 | .user_set = false, | |
105 | ||
106 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
107 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 108 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 109 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
0817a6a3 AS |
110 | |
111 | .invalid_fields = PERF_OUTPUT_TRACE, | |
112 | }, | |
1424dc96 | 113 | }; |
745f43e3 | 114 | |
2c9e45f7 DA |
115 | static bool output_set_by_user(void) |
116 | { | |
117 | int j; | |
118 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
119 | if (output[j].user_set) | |
120 | return true; | |
121 | } | |
122 | return false; | |
123 | } | |
745f43e3 | 124 | |
9cbdb702 DA |
125 | static const char *output_field2str(enum perf_output_field field) |
126 | { | |
127 | int i, imax = ARRAY_SIZE(all_output_options); | |
128 | const char *str = ""; | |
129 | ||
130 | for (i = 0; i < imax; ++i) { | |
131 | if (all_output_options[i].field == field) { | |
132 | str = all_output_options[i].str; | |
133 | break; | |
134 | } | |
135 | } | |
136 | return str; | |
137 | } | |
138 | ||
2c9e45f7 | 139 | #define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x) |
1424dc96 | 140 | |
5bff01f6 ACM |
141 | static int perf_evsel__check_stype(struct perf_evsel *evsel, |
142 | u64 sample_type, const char *sample_msg, | |
143 | enum perf_output_field field) | |
1424dc96 | 144 | { |
5bff01f6 | 145 | struct perf_event_attr *attr = &evsel->attr; |
9cbdb702 DA |
146 | int type = attr->type; |
147 | const char *evname; | |
148 | ||
149 | if (attr->sample_type & sample_type) | |
150 | return 0; | |
151 | ||
152 | if (output[type].user_set) { | |
5bff01f6 | 153 | evname = perf_evsel__name(evsel); |
9cbdb702 DA |
154 | pr_err("Samples for '%s' event do not have %s attribute set. " |
155 | "Cannot print '%s' field.\n", | |
156 | evname, sample_msg, output_field2str(field)); | |
157 | return -1; | |
158 | } | |
159 | ||
160 | /* user did not ask for it explicitly so remove from the default list */ | |
161 | output[type].fields &= ~field; | |
5bff01f6 | 162 | evname = perf_evsel__name(evsel); |
9cbdb702 DA |
163 | pr_debug("Samples for '%s' event do not have %s attribute set. " |
164 | "Skipping '%s' field.\n", | |
165 | evname, sample_msg, output_field2str(field)); | |
166 | ||
167 | return 0; | |
168 | } | |
169 | ||
170 | static int perf_evsel__check_attr(struct perf_evsel *evsel, | |
171 | struct perf_session *session) | |
172 | { | |
173 | struct perf_event_attr *attr = &evsel->attr; | |
174 | ||
1424dc96 DA |
175 | if (PRINT_FIELD(TRACE) && |
176 | !perf_session__has_traces(session, "record -R")) | |
177 | return -EINVAL; | |
178 | ||
787bef17 | 179 | if (PRINT_FIELD(IP)) { |
5bff01f6 ACM |
180 | if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", |
181 | PERF_OUTPUT_IP)) | |
1424dc96 | 182 | return -EINVAL; |
9cbdb702 | 183 | |
1424dc96 | 184 | if (!no_callchain && |
9cbdb702 | 185 | !(attr->sample_type & PERF_SAMPLE_CALLCHAIN)) |
1424dc96 DA |
186 | symbol_conf.use_callchain = false; |
187 | } | |
7cec0922 DA |
188 | |
189 | if (PRINT_FIELD(ADDR) && | |
5bff01f6 ACM |
190 | perf_evsel__check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", |
191 | PERF_OUTPUT_ADDR)) | |
7cec0922 DA |
192 | return -EINVAL; |
193 | ||
194 | if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { | |
195 | pr_err("Display of symbols requested but neither sample IP nor " | |
196 | "sample address\nis selected. Hence, no addresses to convert " | |
197 | "to symbols.\n"); | |
787bef17 DA |
198 | return -EINVAL; |
199 | } | |
a978f2ab AN |
200 | if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { |
201 | pr_err("Display of offsets requested but symbol is not" | |
202 | "selected.\n"); | |
203 | return -EINVAL; | |
204 | } | |
7cec0922 DA |
205 | if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { |
206 | pr_err("Display of DSO requested but neither sample IP nor " | |
207 | "sample address\nis selected. Hence, no addresses to convert " | |
208 | "to DSO.\n"); | |
610723f2 DA |
209 | return -EINVAL; |
210 | } | |
1424dc96 DA |
211 | |
212 | if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && | |
5bff01f6 ACM |
213 | perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", |
214 | PERF_OUTPUT_TID|PERF_OUTPUT_PID)) | |
1424dc96 | 215 | return -EINVAL; |
1424dc96 DA |
216 | |
217 | if (PRINT_FIELD(TIME) && | |
5bff01f6 ACM |
218 | perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", |
219 | PERF_OUTPUT_TIME)) | |
1424dc96 | 220 | return -EINVAL; |
1424dc96 DA |
221 | |
222 | if (PRINT_FIELD(CPU) && | |
5bff01f6 ACM |
223 | perf_evsel__check_stype(evsel, PERF_SAMPLE_CPU, "CPU", |
224 | PERF_OUTPUT_CPU)) | |
1424dc96 | 225 | return -EINVAL; |
9cbdb702 DA |
226 | |
227 | return 0; | |
228 | } | |
229 | ||
230 | /* | |
231 | * verify all user requested events exist and the samples | |
232 | * have the expected data | |
233 | */ | |
234 | static int perf_session__check_output_opt(struct perf_session *session) | |
235 | { | |
236 | int j; | |
237 | struct perf_evsel *evsel; | |
238 | ||
239 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
240 | evsel = perf_session__find_first_evtype(session, j); | |
241 | ||
242 | /* | |
243 | * even if fields is set to 0 (ie., show nothing) event must | |
244 | * exist if user explicitly includes it on the command line | |
245 | */ | |
246 | if (!evsel && output[j].user_set && !output[j].wildcard_set) { | |
247 | pr_err("%s events do not exist. " | |
248 | "Remove corresponding -f option to proceed.\n", | |
249 | event_type(j)); | |
250 | return -1; | |
251 | } | |
252 | ||
253 | if (evsel && output[j].fields && | |
254 | perf_evsel__check_attr(evsel, session)) | |
255 | return -1; | |
1424dc96 DA |
256 | } |
257 | ||
258 | return 0; | |
259 | } | |
745f43e3 | 260 | |
fcf65bf1 | 261 | static void print_sample_start(struct perf_sample *sample, |
1424dc96 | 262 | struct thread *thread, |
5bff01f6 | 263 | struct perf_evsel *evsel) |
c70c94b4 | 264 | { |
5bff01f6 | 265 | struct perf_event_attr *attr = &evsel->attr; |
c70c94b4 DA |
266 | const char *evname = NULL; |
267 | unsigned long secs; | |
268 | unsigned long usecs; | |
745f43e3 DA |
269 | unsigned long long nsecs; |
270 | ||
271 | if (PRINT_FIELD(COMM)) { | |
272 | if (latency_format) | |
273 | printf("%8.8s ", thread->comm); | |
787bef17 | 274 | else if (PRINT_FIELD(IP) && symbol_conf.use_callchain) |
c0230b2b | 275 | printf("%s ", thread->comm); |
745f43e3 DA |
276 | else |
277 | printf("%16s ", thread->comm); | |
278 | } | |
c70c94b4 | 279 | |
745f43e3 DA |
280 | if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) |
281 | printf("%5d/%-5d ", sample->pid, sample->tid); | |
282 | else if (PRINT_FIELD(PID)) | |
283 | printf("%5d ", sample->pid); | |
284 | else if (PRINT_FIELD(TID)) | |
285 | printf("%5d ", sample->tid); | |
286 | ||
287 | if (PRINT_FIELD(CPU)) { | |
288 | if (latency_format) | |
289 | printf("%3d ", sample->cpu); | |
290 | else | |
291 | printf("[%03d] ", sample->cpu); | |
292 | } | |
c70c94b4 | 293 | |
745f43e3 DA |
294 | if (PRINT_FIELD(TIME)) { |
295 | nsecs = sample->time; | |
296 | secs = nsecs / NSECS_PER_SEC; | |
297 | nsecs -= secs * NSECS_PER_SEC; | |
298 | usecs = nsecs / NSECS_PER_USEC; | |
299 | printf("%5lu.%06lu: ", secs, usecs); | |
300 | } | |
c70c94b4 | 301 | |
745f43e3 | 302 | if (PRINT_FIELD(EVNAME)) { |
fcf65bf1 | 303 | evname = perf_evsel__name(evsel); |
547a92e0 | 304 | printf("%s: ", evname ? evname : "[unknown]"); |
745f43e3 | 305 | } |
c70c94b4 DA |
306 | } |
307 | ||
95582596 AN |
308 | static bool is_bts_event(struct perf_event_attr *attr) |
309 | { | |
310 | return ((attr->type == PERF_TYPE_HARDWARE) && | |
311 | (attr->config & PERF_COUNT_HW_BRANCH_INSTRUCTIONS) && | |
312 | (attr->sample_period == 1)); | |
313 | } | |
314 | ||
7cec0922 DA |
315 | static bool sample_addr_correlates_sym(struct perf_event_attr *attr) |
316 | { | |
317 | if ((attr->type == PERF_TYPE_SOFTWARE) && | |
318 | ((attr->config == PERF_COUNT_SW_PAGE_FAULTS) || | |
319 | (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MIN) || | |
320 | (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ))) | |
321 | return true; | |
322 | ||
95582596 AN |
323 | if (is_bts_event(attr)) |
324 | return true; | |
325 | ||
7cec0922 DA |
326 | return false; |
327 | } | |
328 | ||
329 | static void print_sample_addr(union perf_event *event, | |
330 | struct perf_sample *sample, | |
743eb868 | 331 | struct machine *machine, |
7cec0922 DA |
332 | struct thread *thread, |
333 | struct perf_event_attr *attr) | |
334 | { | |
335 | struct addr_location al; | |
336 | u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; | |
7cec0922 DA |
337 | |
338 | printf("%16" PRIx64, sample->addr); | |
339 | ||
340 | if (!sample_addr_correlates_sym(attr)) | |
341 | return; | |
342 | ||
743eb868 ACM |
343 | thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION, |
344 | sample->addr, &al); | |
7cec0922 | 345 | if (!al.map) |
743eb868 ACM |
346 | thread__find_addr_map(thread, machine, cpumode, MAP__VARIABLE, |
347 | sample->addr, &al); | |
7cec0922 DA |
348 | |
349 | al.cpu = sample->cpu; | |
350 | al.sym = NULL; | |
351 | ||
352 | if (al.map) | |
353 | al.sym = map__find_symbol(al.map, al.addr, NULL); | |
354 | ||
355 | if (PRINT_FIELD(SYM)) { | |
547a92e0 | 356 | printf(" "); |
a978f2ab AN |
357 | if (PRINT_FIELD(SYMOFFSET)) |
358 | symbol__fprintf_symname_offs(al.sym, &al, stdout); | |
359 | else | |
360 | symbol__fprintf_symname(al.sym, stdout); | |
7cec0922 DA |
361 | } |
362 | ||
363 | if (PRINT_FIELD(DSO)) { | |
547a92e0 AN |
364 | printf(" ("); |
365 | map__fprintf_dsoname(al.map, stdout); | |
366 | printf(")"); | |
7cec0922 DA |
367 | } |
368 | } | |
369 | ||
95582596 AN |
370 | static void print_sample_bts(union perf_event *event, |
371 | struct perf_sample *sample, | |
372 | struct perf_evsel *evsel, | |
373 | struct machine *machine, | |
374 | struct thread *thread) | |
375 | { | |
376 | struct perf_event_attr *attr = &evsel->attr; | |
377 | ||
378 | /* print branch_from information */ | |
379 | if (PRINT_FIELD(IP)) { | |
380 | if (!symbol_conf.use_callchain) | |
381 | printf(" "); | |
382 | else | |
383 | printf("\n"); | |
71ad0f5e | 384 | perf_evsel__print_ip(evsel, event, sample, machine, |
a978f2ab AN |
385 | PRINT_FIELD(SYM), PRINT_FIELD(DSO), |
386 | PRINT_FIELD(SYMOFFSET)); | |
95582596 AN |
387 | } |
388 | ||
389 | printf(" => "); | |
390 | ||
391 | /* print branch_to information */ | |
392 | if (PRINT_FIELD(ADDR)) | |
393 | print_sample_addr(event, sample, machine, thread, attr); | |
394 | ||
395 | printf("\n"); | |
396 | } | |
397 | ||
97822433 ACM |
398 | static void process_event(union perf_event *event, struct perf_sample *sample, |
399 | struct perf_evsel *evsel, struct machine *machine, | |
73994dc1 | 400 | struct addr_location *al) |
be6d842a | 401 | { |
9e69c210 | 402 | struct perf_event_attr *attr = &evsel->attr; |
73994dc1 | 403 | struct thread *thread = al->thread; |
1424dc96 | 404 | |
2c9e45f7 | 405 | if (output[attr->type].fields == 0) |
1424dc96 DA |
406 | return; |
407 | ||
fcf65bf1 | 408 | print_sample_start(sample, thread, evsel); |
745f43e3 | 409 | |
95582596 AN |
410 | if (is_bts_event(attr)) { |
411 | print_sample_bts(event, sample, evsel, machine, thread); | |
412 | return; | |
413 | } | |
414 | ||
745f43e3 | 415 | if (PRINT_FIELD(TRACE)) |
fcf65bf1 ACM |
416 | event_format__print(evsel->tp_format, sample->cpu, |
417 | sample->raw_data, sample->raw_size); | |
7cec0922 | 418 | if (PRINT_FIELD(ADDR)) |
743eb868 | 419 | print_sample_addr(event, sample, machine, thread, attr); |
7cec0922 | 420 | |
787bef17 | 421 | if (PRINT_FIELD(IP)) { |
c0230b2b DA |
422 | if (!symbol_conf.use_callchain) |
423 | printf(" "); | |
424 | else | |
425 | printf("\n"); | |
71ad0f5e | 426 | perf_evsel__print_ip(evsel, event, sample, machine, |
a978f2ab AN |
427 | PRINT_FIELD(SYM), PRINT_FIELD(DSO), |
428 | PRINT_FIELD(SYMOFFSET)); | |
c0230b2b DA |
429 | } |
430 | ||
c70c94b4 | 431 | printf("\n"); |
be6d842a DA |
432 | } |
433 | ||
1d037ca1 IT |
434 | static int default_start_script(const char *script __maybe_unused, |
435 | int argc __maybe_unused, | |
436 | const char **argv __maybe_unused) | |
956ffd02 TZ |
437 | { |
438 | return 0; | |
439 | } | |
440 | ||
441 | static int default_stop_script(void) | |
442 | { | |
443 | return 0; | |
444 | } | |
445 | ||
1d037ca1 IT |
446 | static int default_generate_script(struct pevent *pevent __maybe_unused, |
447 | const char *outfile __maybe_unused) | |
956ffd02 TZ |
448 | { |
449 | return 0; | |
450 | } | |
451 | ||
452 | static struct scripting_ops default_scripting_ops = { | |
453 | .start_script = default_start_script, | |
454 | .stop_script = default_stop_script, | |
be6d842a | 455 | .process_event = process_event, |
956ffd02 TZ |
456 | .generate_script = default_generate_script, |
457 | }; | |
458 | ||
459 | static struct scripting_ops *scripting_ops; | |
460 | ||
461 | static void setup_scripting(void) | |
462 | { | |
16c632de | 463 | setup_perl_scripting(); |
7e4b21b8 | 464 | setup_python_scripting(); |
16c632de | 465 | |
956ffd02 TZ |
466 | scripting_ops = &default_scripting_ops; |
467 | } | |
468 | ||
469 | static int cleanup_scripting(void) | |
470 | { | |
133dc4c3 | 471 | pr_debug("\nperf script stopped\n"); |
3824a4e8 | 472 | |
956ffd02 TZ |
473 | return scripting_ops->stop_script(); |
474 | } | |
475 | ||
efad1415 | 476 | static const char *input_name; |
5f9c39dc | 477 | |
1d037ca1 | 478 | static int process_sample_event(struct perf_tool *tool __maybe_unused, |
d20deb64 | 479 | union perf_event *event, |
8115d60c | 480 | struct perf_sample *sample, |
9e69c210 | 481 | struct perf_evsel *evsel, |
743eb868 | 482 | struct machine *machine) |
5f9c39dc | 483 | { |
e7984b7b | 484 | struct addr_location al; |
64aab93c | 485 | struct thread *thread = machine__findnew_thread(machine, event->ip.tid); |
6ddf259d | 486 | |
5f9c39dc | 487 | if (thread == NULL) { |
6beba7ad ACM |
488 | pr_debug("problem processing %d event, skipping it.\n", |
489 | event->header.type); | |
5f9c39dc FW |
490 | return -1; |
491 | } | |
492 | ||
1424dc96 DA |
493 | if (debug_mode) { |
494 | if (sample->time < last_timestamp) { | |
495 | pr_err("Samples misordered, previous: %" PRIu64 | |
496 | " this: %" PRIu64 "\n", last_timestamp, | |
497 | sample->time); | |
498 | nr_unordered++; | |
e1889d75 | 499 | } |
1424dc96 DA |
500 | last_timestamp = sample->time; |
501 | return 0; | |
5f9c39dc | 502 | } |
5d67be97 | 503 | |
e7984b7b DA |
504 | if (perf_event__preprocess_sample(event, machine, &al, sample, 0) < 0) { |
505 | pr_err("problem processing %d event, skipping it.\n", | |
506 | event->header.type); | |
507 | return -1; | |
508 | } | |
509 | ||
510 | if (al.filtered) | |
511 | return 0; | |
512 | ||
5d67be97 AB |
513 | if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) |
514 | return 0; | |
515 | ||
73994dc1 | 516 | scripting_ops->process_event(event, sample, evsel, machine, &al); |
5f9c39dc | 517 | |
743eb868 | 518 | evsel->hists.stats.total_period += sample->period; |
5f9c39dc FW |
519 | return 0; |
520 | } | |
521 | ||
97822433 ACM |
522 | static struct perf_tool perf_script = { |
523 | .sample = process_sample_event, | |
524 | .mmap = perf_event__process_mmap, | |
525 | .comm = perf_event__process_comm, | |
526 | .exit = perf_event__process_task, | |
527 | .fork = perf_event__process_task, | |
528 | .attr = perf_event__process_attr, | |
529 | .event_type = perf_event__process_event_type, | |
530 | .tracing_data = perf_event__process_tracing_data, | |
531 | .build_id = perf_event__process_build_id, | |
532 | .ordered_samples = true, | |
533 | .ordering_requires_timestamps = true, | |
016e92fb FW |
534 | }; |
535 | ||
c239da3b TZ |
536 | extern volatile int session_done; |
537 | ||
1d037ca1 | 538 | static void sig_handler(int sig __maybe_unused) |
c239da3b TZ |
539 | { |
540 | session_done = 1; | |
541 | } | |
542 | ||
133dc4c3 | 543 | static int __cmd_script(struct perf_session *session) |
5f9c39dc | 544 | { |
6fcf7ddb FW |
545 | int ret; |
546 | ||
c239da3b TZ |
547 | signal(SIGINT, sig_handler); |
548 | ||
97822433 | 549 | ret = perf_session__process_events(session, &perf_script); |
6fcf7ddb | 550 | |
6d8afb56 | 551 | if (debug_mode) |
9486aa38 | 552 | pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); |
6fcf7ddb FW |
553 | |
554 | return ret; | |
5f9c39dc FW |
555 | } |
556 | ||
956ffd02 TZ |
557 | struct script_spec { |
558 | struct list_head node; | |
559 | struct scripting_ops *ops; | |
560 | char spec[0]; | |
561 | }; | |
562 | ||
eccdfe2d | 563 | static LIST_HEAD(script_specs); |
956ffd02 TZ |
564 | |
565 | static struct script_spec *script_spec__new(const char *spec, | |
566 | struct scripting_ops *ops) | |
567 | { | |
568 | struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); | |
569 | ||
570 | if (s != NULL) { | |
571 | strcpy(s->spec, spec); | |
572 | s->ops = ops; | |
573 | } | |
574 | ||
575 | return s; | |
576 | } | |
577 | ||
956ffd02 TZ |
578 | static void script_spec__add(struct script_spec *s) |
579 | { | |
580 | list_add_tail(&s->node, &script_specs); | |
581 | } | |
582 | ||
583 | static struct script_spec *script_spec__find(const char *spec) | |
584 | { | |
585 | struct script_spec *s; | |
586 | ||
587 | list_for_each_entry(s, &script_specs, node) | |
588 | if (strcasecmp(s->spec, spec) == 0) | |
589 | return s; | |
590 | return NULL; | |
591 | } | |
592 | ||
593 | static struct script_spec *script_spec__findnew(const char *spec, | |
594 | struct scripting_ops *ops) | |
595 | { | |
596 | struct script_spec *s = script_spec__find(spec); | |
597 | ||
598 | if (s) | |
599 | return s; | |
600 | ||
601 | s = script_spec__new(spec, ops); | |
602 | if (!s) | |
466e2876 | 603 | return NULL; |
956ffd02 TZ |
604 | |
605 | script_spec__add(s); | |
606 | ||
607 | return s; | |
956ffd02 TZ |
608 | } |
609 | ||
610 | int script_spec_register(const char *spec, struct scripting_ops *ops) | |
611 | { | |
612 | struct script_spec *s; | |
613 | ||
614 | s = script_spec__find(spec); | |
615 | if (s) | |
616 | return -1; | |
617 | ||
618 | s = script_spec__findnew(spec, ops); | |
619 | if (!s) | |
620 | return -1; | |
621 | ||
622 | return 0; | |
623 | } | |
624 | ||
625 | static struct scripting_ops *script_spec__lookup(const char *spec) | |
626 | { | |
627 | struct script_spec *s = script_spec__find(spec); | |
628 | if (!s) | |
629 | return NULL; | |
630 | ||
631 | return s->ops; | |
632 | } | |
633 | ||
634 | static void list_available_languages(void) | |
635 | { | |
636 | struct script_spec *s; | |
637 | ||
638 | fprintf(stderr, "\n"); | |
639 | fprintf(stderr, "Scripting language extensions (used in " | |
133dc4c3 | 640 | "perf script -s [spec:]script.[spec]):\n\n"); |
956ffd02 TZ |
641 | |
642 | list_for_each_entry(s, &script_specs, node) | |
643 | fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); | |
644 | ||
645 | fprintf(stderr, "\n"); | |
646 | } | |
647 | ||
1d037ca1 IT |
648 | static int parse_scriptname(const struct option *opt __maybe_unused, |
649 | const char *str, int unset __maybe_unused) | |
956ffd02 TZ |
650 | { |
651 | char spec[PATH_MAX]; | |
652 | const char *script, *ext; | |
653 | int len; | |
654 | ||
f526d68b | 655 | if (strcmp(str, "lang") == 0) { |
956ffd02 | 656 | list_available_languages(); |
f526d68b | 657 | exit(0); |
956ffd02 TZ |
658 | } |
659 | ||
660 | script = strchr(str, ':'); | |
661 | if (script) { | |
662 | len = script - str; | |
663 | if (len >= PATH_MAX) { | |
664 | fprintf(stderr, "invalid language specifier"); | |
665 | return -1; | |
666 | } | |
667 | strncpy(spec, str, len); | |
668 | spec[len] = '\0'; | |
669 | scripting_ops = script_spec__lookup(spec); | |
670 | if (!scripting_ops) { | |
671 | fprintf(stderr, "invalid language specifier"); | |
672 | return -1; | |
673 | } | |
674 | script++; | |
675 | } else { | |
676 | script = str; | |
d1e95bb5 | 677 | ext = strrchr(script, '.'); |
956ffd02 TZ |
678 | if (!ext) { |
679 | fprintf(stderr, "invalid script extension"); | |
680 | return -1; | |
681 | } | |
682 | scripting_ops = script_spec__lookup(++ext); | |
683 | if (!scripting_ops) { | |
684 | fprintf(stderr, "invalid script extension"); | |
685 | return -1; | |
686 | } | |
687 | } | |
688 | ||
689 | script_name = strdup(script); | |
690 | ||
691 | return 0; | |
692 | } | |
693 | ||
1d037ca1 IT |
694 | static int parse_output_fields(const struct option *opt __maybe_unused, |
695 | const char *arg, int unset __maybe_unused) | |
745f43e3 DA |
696 | { |
697 | char *tok; | |
698 | int i, imax = sizeof(all_output_options) / sizeof(struct output_option); | |
2c9e45f7 | 699 | int j; |
745f43e3 DA |
700 | int rc = 0; |
701 | char *str = strdup(arg); | |
1424dc96 | 702 | int type = -1; |
745f43e3 DA |
703 | |
704 | if (!str) | |
705 | return -ENOMEM; | |
706 | ||
2c9e45f7 DA |
707 | /* first word can state for which event type the user is specifying |
708 | * the fields. If no type exists, the specified fields apply to all | |
709 | * event types found in the file minus the invalid fields for a type. | |
1424dc96 | 710 | */ |
2c9e45f7 DA |
711 | tok = strchr(str, ':'); |
712 | if (tok) { | |
713 | *tok = '\0'; | |
714 | tok++; | |
715 | if (!strcmp(str, "hw")) | |
716 | type = PERF_TYPE_HARDWARE; | |
717 | else if (!strcmp(str, "sw")) | |
718 | type = PERF_TYPE_SOFTWARE; | |
719 | else if (!strcmp(str, "trace")) | |
720 | type = PERF_TYPE_TRACEPOINT; | |
0817a6a3 AS |
721 | else if (!strcmp(str, "raw")) |
722 | type = PERF_TYPE_RAW; | |
2c9e45f7 DA |
723 | else { |
724 | fprintf(stderr, "Invalid event type in field string.\n"); | |
38efb539 RR |
725 | rc = -EINVAL; |
726 | goto out; | |
2c9e45f7 DA |
727 | } |
728 | ||
729 | if (output[type].user_set) | |
730 | pr_warning("Overriding previous field request for %s events.\n", | |
731 | event_type(type)); | |
732 | ||
733 | output[type].fields = 0; | |
734 | output[type].user_set = true; | |
9cbdb702 | 735 | output[type].wildcard_set = false; |
2c9e45f7 DA |
736 | |
737 | } else { | |
738 | tok = str; | |
739 | if (strlen(str) == 0) { | |
740 | fprintf(stderr, | |
741 | "Cannot set fields to 'none' for all event types.\n"); | |
742 | rc = -EINVAL; | |
743 | goto out; | |
744 | } | |
745 | ||
746 | if (output_set_by_user()) | |
747 | pr_warning("Overriding previous field request for all events.\n"); | |
748 | ||
749 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
750 | output[j].fields = 0; | |
751 | output[j].user_set = true; | |
9cbdb702 | 752 | output[j].wildcard_set = true; |
2c9e45f7 | 753 | } |
745f43e3 DA |
754 | } |
755 | ||
2c9e45f7 DA |
756 | tok = strtok(tok, ","); |
757 | while (tok) { | |
745f43e3 | 758 | for (i = 0; i < imax; ++i) { |
2c9e45f7 | 759 | if (strcmp(tok, all_output_options[i].str) == 0) |
745f43e3 | 760 | break; |
745f43e3 DA |
761 | } |
762 | if (i == imax) { | |
2c9e45f7 | 763 | fprintf(stderr, "Invalid field requested.\n"); |
745f43e3 | 764 | rc = -EINVAL; |
2c9e45f7 | 765 | goto out; |
745f43e3 DA |
766 | } |
767 | ||
2c9e45f7 DA |
768 | if (type == -1) { |
769 | /* add user option to all events types for | |
770 | * which it is valid | |
771 | */ | |
772 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
773 | if (output[j].invalid_fields & all_output_options[i].field) { | |
774 | pr_warning("\'%s\' not valid for %s events. Ignoring.\n", | |
775 | all_output_options[i].str, event_type(j)); | |
776 | } else | |
777 | output[j].fields |= all_output_options[i].field; | |
778 | } | |
779 | } else { | |
780 | if (output[type].invalid_fields & all_output_options[i].field) { | |
781 | fprintf(stderr, "\'%s\' not valid for %s events.\n", | |
782 | all_output_options[i].str, event_type(type)); | |
783 | ||
784 | rc = -EINVAL; | |
785 | goto out; | |
786 | } | |
787 | output[type].fields |= all_output_options[i].field; | |
788 | } | |
789 | ||
790 | tok = strtok(NULL, ","); | |
745f43e3 DA |
791 | } |
792 | ||
2c9e45f7 DA |
793 | if (type >= 0) { |
794 | if (output[type].fields == 0) { | |
795 | pr_debug("No fields requested for %s type. " | |
796 | "Events will not be displayed.\n", event_type(type)); | |
797 | } | |
798 | } | |
745f43e3 | 799 | |
2c9e45f7 | 800 | out: |
745f43e3 DA |
801 | free(str); |
802 | return rc; | |
803 | } | |
804 | ||
008f29d3 SB |
805 | /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */ |
806 | static int is_directory(const char *base_path, const struct dirent *dent) | |
807 | { | |
808 | char path[PATH_MAX]; | |
809 | struct stat st; | |
810 | ||
811 | sprintf(path, "%s/%s", base_path, dent->d_name); | |
812 | if (stat(path, &st)) | |
813 | return 0; | |
814 | ||
815 | return S_ISDIR(st.st_mode); | |
816 | } | |
817 | ||
818 | #define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\ | |
4b9c0c59 TZ |
819 | while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \ |
820 | lang_next) \ | |
008f29d3 SB |
821 | if ((lang_dirent.d_type == DT_DIR || \ |
822 | (lang_dirent.d_type == DT_UNKNOWN && \ | |
823 | is_directory(scripts_path, &lang_dirent))) && \ | |
4b9c0c59 TZ |
824 | (strcmp(lang_dirent.d_name, ".")) && \ |
825 | (strcmp(lang_dirent.d_name, ".."))) | |
826 | ||
008f29d3 | 827 | #define for_each_script(lang_path, lang_dir, script_dirent, script_next)\ |
4b9c0c59 TZ |
828 | while (!readdir_r(lang_dir, &script_dirent, &script_next) && \ |
829 | script_next) \ | |
008f29d3 SB |
830 | if (script_dirent.d_type != DT_DIR && \ |
831 | (script_dirent.d_type != DT_UNKNOWN || \ | |
832 | !is_directory(lang_path, &script_dirent))) | |
4b9c0c59 TZ |
833 | |
834 | ||
835 | #define RECORD_SUFFIX "-record" | |
836 | #define REPORT_SUFFIX "-report" | |
837 | ||
838 | struct script_desc { | |
839 | struct list_head node; | |
840 | char *name; | |
841 | char *half_liner; | |
842 | char *args; | |
843 | }; | |
844 | ||
eccdfe2d | 845 | static LIST_HEAD(script_descs); |
4b9c0c59 TZ |
846 | |
847 | static struct script_desc *script_desc__new(const char *name) | |
848 | { | |
849 | struct script_desc *s = zalloc(sizeof(*s)); | |
850 | ||
b5b87312 | 851 | if (s != NULL && name) |
4b9c0c59 TZ |
852 | s->name = strdup(name); |
853 | ||
854 | return s; | |
855 | } | |
856 | ||
857 | static void script_desc__delete(struct script_desc *s) | |
858 | { | |
859 | free(s->name); | |
e8719adf TZ |
860 | free(s->half_liner); |
861 | free(s->args); | |
4b9c0c59 TZ |
862 | free(s); |
863 | } | |
864 | ||
865 | static void script_desc__add(struct script_desc *s) | |
866 | { | |
867 | list_add_tail(&s->node, &script_descs); | |
868 | } | |
869 | ||
870 | static struct script_desc *script_desc__find(const char *name) | |
871 | { | |
872 | struct script_desc *s; | |
873 | ||
874 | list_for_each_entry(s, &script_descs, node) | |
875 | if (strcasecmp(s->name, name) == 0) | |
876 | return s; | |
877 | return NULL; | |
878 | } | |
879 | ||
880 | static struct script_desc *script_desc__findnew(const char *name) | |
881 | { | |
882 | struct script_desc *s = script_desc__find(name); | |
883 | ||
884 | if (s) | |
885 | return s; | |
886 | ||
887 | s = script_desc__new(name); | |
888 | if (!s) | |
889 | goto out_delete_desc; | |
890 | ||
891 | script_desc__add(s); | |
892 | ||
893 | return s; | |
894 | ||
895 | out_delete_desc: | |
896 | script_desc__delete(s); | |
897 | ||
898 | return NULL; | |
899 | } | |
900 | ||
965bb6be | 901 | static const char *ends_with(const char *str, const char *suffix) |
4b9c0c59 TZ |
902 | { |
903 | size_t suffix_len = strlen(suffix); | |
965bb6be | 904 | const char *p = str; |
4b9c0c59 TZ |
905 | |
906 | if (strlen(str) > suffix_len) { | |
907 | p = str + strlen(str) - suffix_len; | |
908 | if (!strncmp(p, suffix, suffix_len)) | |
909 | return p; | |
910 | } | |
911 | ||
912 | return NULL; | |
913 | } | |
914 | ||
915 | static char *ltrim(char *str) | |
916 | { | |
917 | int len = strlen(str); | |
918 | ||
919 | while (len && isspace(*str)) { | |
920 | len--; | |
921 | str++; | |
922 | } | |
923 | ||
924 | return str; | |
925 | } | |
926 | ||
927 | static int read_script_info(struct script_desc *desc, const char *filename) | |
928 | { | |
929 | char line[BUFSIZ], *p; | |
930 | FILE *fp; | |
931 | ||
932 | fp = fopen(filename, "r"); | |
933 | if (!fp) | |
934 | return -1; | |
935 | ||
936 | while (fgets(line, sizeof(line), fp)) { | |
937 | p = ltrim(line); | |
938 | if (strlen(p) == 0) | |
939 | continue; | |
940 | if (*p != '#') | |
941 | continue; | |
942 | p++; | |
943 | if (strlen(p) && *p == '!') | |
944 | continue; | |
945 | ||
946 | p = ltrim(p); | |
947 | if (strlen(p) && p[strlen(p) - 1] == '\n') | |
948 | p[strlen(p) - 1] = '\0'; | |
949 | ||
950 | if (!strncmp(p, "description:", strlen("description:"))) { | |
951 | p += strlen("description:"); | |
952 | desc->half_liner = strdup(ltrim(p)); | |
953 | continue; | |
954 | } | |
955 | ||
956 | if (!strncmp(p, "args:", strlen("args:"))) { | |
957 | p += strlen("args:"); | |
958 | desc->args = strdup(ltrim(p)); | |
959 | continue; | |
960 | } | |
961 | } | |
962 | ||
963 | fclose(fp); | |
964 | ||
965 | return 0; | |
966 | } | |
967 | ||
38efb539 RR |
968 | static char *get_script_root(struct dirent *script_dirent, const char *suffix) |
969 | { | |
970 | char *script_root, *str; | |
971 | ||
972 | script_root = strdup(script_dirent->d_name); | |
973 | if (!script_root) | |
974 | return NULL; | |
975 | ||
976 | str = (char *)ends_with(script_root, suffix); | |
977 | if (!str) { | |
978 | free(script_root); | |
979 | return NULL; | |
980 | } | |
981 | ||
982 | *str = '\0'; | |
983 | return script_root; | |
984 | } | |
985 | ||
1d037ca1 IT |
986 | static int list_available_scripts(const struct option *opt __maybe_unused, |
987 | const char *s __maybe_unused, | |
988 | int unset __maybe_unused) | |
4b9c0c59 TZ |
989 | { |
990 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
991 | char scripts_path[MAXPATHLEN]; | |
992 | DIR *scripts_dir, *lang_dir; | |
993 | char script_path[MAXPATHLEN]; | |
994 | char lang_path[MAXPATHLEN]; | |
995 | struct script_desc *desc; | |
996 | char first_half[BUFSIZ]; | |
997 | char *script_root; | |
4b9c0c59 TZ |
998 | |
999 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
1000 | ||
1001 | scripts_dir = opendir(scripts_path); | |
1002 | if (!scripts_dir) | |
1003 | return -1; | |
1004 | ||
008f29d3 | 1005 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
4b9c0c59 TZ |
1006 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
1007 | lang_dirent.d_name); | |
1008 | lang_dir = opendir(lang_path); | |
1009 | if (!lang_dir) | |
1010 | continue; | |
1011 | ||
008f29d3 | 1012 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
38efb539 RR |
1013 | script_root = get_script_root(&script_dirent, REPORT_SUFFIX); |
1014 | if (script_root) { | |
4b9c0c59 TZ |
1015 | desc = script_desc__findnew(script_root); |
1016 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
1017 | lang_path, script_dirent.d_name); | |
1018 | read_script_info(desc, script_path); | |
38efb539 | 1019 | free(script_root); |
4b9c0c59 | 1020 | } |
4b9c0c59 TZ |
1021 | } |
1022 | } | |
1023 | ||
1024 | fprintf(stdout, "List of available trace scripts:\n"); | |
1025 | list_for_each_entry(desc, &script_descs, node) { | |
1026 | sprintf(first_half, "%s %s", desc->name, | |
1027 | desc->args ? desc->args : ""); | |
1028 | fprintf(stdout, " %-36s %s\n", first_half, | |
1029 | desc->half_liner ? desc->half_liner : ""); | |
1030 | } | |
1031 | ||
1032 | exit(0); | |
1033 | } | |
1034 | ||
e5f3705e FT |
1035 | /* |
1036 | * Return -1 if none is found, otherwise the actual scripts number. | |
1037 | * | |
1038 | * Currently the only user of this function is the script browser, which | |
1039 | * will list all statically runnable scripts, select one, execute it and | |
1040 | * show the output in a perf browser. | |
1041 | */ | |
1042 | int find_scripts(char **scripts_array, char **scripts_path_array) | |
1043 | { | |
1044 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
1045 | char scripts_path[MAXPATHLEN]; | |
1046 | DIR *scripts_dir, *lang_dir; | |
1047 | char lang_path[MAXPATHLEN]; | |
1048 | char *temp; | |
1049 | int i = 0; | |
1050 | ||
1051 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
1052 | ||
1053 | scripts_dir = opendir(scripts_path); | |
1054 | if (!scripts_dir) | |
1055 | return -1; | |
1056 | ||
1057 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { | |
1058 | snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, | |
1059 | lang_dirent.d_name); | |
1060 | #ifdef NO_LIBPERL | |
1061 | if (strstr(lang_path, "perl")) | |
1062 | continue; | |
1063 | #endif | |
1064 | #ifdef NO_LIBPYTHON | |
1065 | if (strstr(lang_path, "python")) | |
1066 | continue; | |
1067 | #endif | |
1068 | ||
1069 | lang_dir = opendir(lang_path); | |
1070 | if (!lang_dir) | |
1071 | continue; | |
1072 | ||
1073 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { | |
1074 | /* Skip those real time scripts: xxxtop.p[yl] */ | |
1075 | if (strstr(script_dirent.d_name, "top.")) | |
1076 | continue; | |
1077 | sprintf(scripts_path_array[i], "%s/%s", lang_path, | |
1078 | script_dirent.d_name); | |
1079 | temp = strchr(script_dirent.d_name, '.'); | |
1080 | snprintf(scripts_array[i], | |
1081 | (temp - script_dirent.d_name) + 1, | |
1082 | "%s", script_dirent.d_name); | |
1083 | i++; | |
1084 | } | |
1085 | } | |
1086 | ||
1087 | return i; | |
1088 | } | |
1089 | ||
3875294f TZ |
1090 | static char *get_script_path(const char *script_root, const char *suffix) |
1091 | { | |
1092 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
1093 | char scripts_path[MAXPATHLEN]; | |
1094 | char script_path[MAXPATHLEN]; | |
1095 | DIR *scripts_dir, *lang_dir; | |
1096 | char lang_path[MAXPATHLEN]; | |
38efb539 | 1097 | char *__script_root; |
3875294f TZ |
1098 | |
1099 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
1100 | ||
1101 | scripts_dir = opendir(scripts_path); | |
1102 | if (!scripts_dir) | |
1103 | return NULL; | |
1104 | ||
008f29d3 | 1105 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
3875294f TZ |
1106 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
1107 | lang_dirent.d_name); | |
1108 | lang_dir = opendir(lang_path); | |
1109 | if (!lang_dir) | |
1110 | continue; | |
1111 | ||
008f29d3 | 1112 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
38efb539 RR |
1113 | __script_root = get_script_root(&script_dirent, suffix); |
1114 | if (__script_root && !strcmp(script_root, __script_root)) { | |
1115 | free(__script_root); | |
946ef2a2 NK |
1116 | closedir(lang_dir); |
1117 | closedir(scripts_dir); | |
3875294f TZ |
1118 | snprintf(script_path, MAXPATHLEN, "%s/%s", |
1119 | lang_path, script_dirent.d_name); | |
38efb539 | 1120 | return strdup(script_path); |
3875294f TZ |
1121 | } |
1122 | free(__script_root); | |
1123 | } | |
946ef2a2 | 1124 | closedir(lang_dir); |
3875294f | 1125 | } |
946ef2a2 | 1126 | closedir(scripts_dir); |
3875294f | 1127 | |
38efb539 | 1128 | return NULL; |
3875294f TZ |
1129 | } |
1130 | ||
b5b87312 TZ |
1131 | static bool is_top_script(const char *script_path) |
1132 | { | |
965bb6be | 1133 | return ends_with(script_path, "top") == NULL ? false : true; |
b5b87312 TZ |
1134 | } |
1135 | ||
1136 | static int has_required_arg(char *script_path) | |
1137 | { | |
1138 | struct script_desc *desc; | |
1139 | int n_args = 0; | |
1140 | char *p; | |
1141 | ||
1142 | desc = script_desc__new(NULL); | |
1143 | ||
1144 | if (read_script_info(desc, script_path)) | |
1145 | goto out; | |
1146 | ||
1147 | if (!desc->args) | |
1148 | goto out; | |
1149 | ||
1150 | for (p = desc->args; *p; p++) | |
1151 | if (*p == '<') | |
1152 | n_args++; | |
1153 | out: | |
1154 | script_desc__delete(desc); | |
1155 | ||
1156 | return n_args; | |
1157 | } | |
1158 | ||
133dc4c3 IM |
1159 | static const char * const script_usage[] = { |
1160 | "perf script [<options>]", | |
1161 | "perf script [<options>] record <script> [<record-options>] <command>", | |
1162 | "perf script [<options>] report <script> [script-args]", | |
1163 | "perf script [<options>] <script> [<record-options>] <command>", | |
1164 | "perf script [<options>] <top-script> [script-args]", | |
5f9c39dc FW |
1165 | NULL |
1166 | }; | |
1167 | ||
1168 | static const struct option options[] = { | |
1169 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, | |
1170 | "dump raw trace in ASCII"), | |
c0555642 | 1171 | OPT_INCR('v', "verbose", &verbose, |
5f9c39dc | 1172 | "be more verbose (show symbol address, etc)"), |
4b9c0c59 | 1173 | OPT_BOOLEAN('L', "Latency", &latency_format, |
cda48461 | 1174 | "show latency attributes (irqs/preemption disabled, etc)"), |
4b9c0c59 TZ |
1175 | OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", |
1176 | list_available_scripts), | |
956ffd02 TZ |
1177 | OPT_CALLBACK('s', "script", NULL, "name", |
1178 | "script file name (lang:script name, script name, or *)", | |
1179 | parse_scriptname), | |
1180 | OPT_STRING('g', "gen-script", &generate_script_lang, "lang", | |
133dc4c3 | 1181 | "generate perf-script.xx script in specified language"), |
408f0d18 HM |
1182 | OPT_STRING('i', "input", &input_name, "file", |
1183 | "input file name"), | |
ffabd99e FW |
1184 | OPT_BOOLEAN('d', "debug-mode", &debug_mode, |
1185 | "do various checks like samples ordering and lost events"), | |
c0230b2b DA |
1186 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
1187 | "file", "vmlinux pathname"), | |
1188 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, | |
1189 | "file", "kallsyms pathname"), | |
1190 | OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, | |
1191 | "When printing symbols do not display call chain"), | |
1192 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", | |
1193 | "Look for files with symbols relative to this directory"), | |
745f43e3 | 1194 | OPT_CALLBACK('f', "fields", NULL, "str", |
a978f2ab AN |
1195 | "comma separated output fields prepend with 'type:'. " |
1196 | "Valid types: hw,sw,trace,raw. " | |
1197 | "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," | |
1198 | "addr,symoff", | |
745f43e3 | 1199 | parse_output_fields), |
317df650 RR |
1200 | OPT_BOOLEAN('a', "all-cpus", &system_wide, |
1201 | "system-wide collection from all CPUs"), | |
36385be5 FT |
1202 | OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
1203 | "only consider these symbols"), | |
c8e66720 | 1204 | OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), |
e7984b7b DA |
1205 | OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
1206 | "only display events for these comms"), | |
fbe96f29 SE |
1207 | OPT_BOOLEAN('I', "show-info", &show_full_info, |
1208 | "display extended information from perf.data file"), | |
0bc8d205 AN |
1209 | OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, |
1210 | "Show the path of [kernel.kallsyms]"), | |
1211 | ||
1909629f | 1212 | OPT_END() |
5f9c39dc FW |
1213 | }; |
1214 | ||
d54b1a9e | 1215 | static int have_cmd(int argc, const char **argv) |
34c86ea9 TZ |
1216 | { |
1217 | char **__argv = malloc(sizeof(const char *) * argc); | |
1218 | ||
d54b1a9e DA |
1219 | if (!__argv) { |
1220 | pr_err("malloc failed\n"); | |
1221 | return -1; | |
1222 | } | |
1223 | ||
34c86ea9 TZ |
1224 | memcpy(__argv, argv, sizeof(const char *) * argc); |
1225 | argc = parse_options(argc, (const char **)__argv, record_options, | |
1226 | NULL, PARSE_OPT_STOP_AT_NON_OPTION); | |
1227 | free(__argv); | |
1228 | ||
d54b1a9e DA |
1229 | system_wide = (argc == 0); |
1230 | ||
1231 | return 0; | |
34c86ea9 TZ |
1232 | } |
1233 | ||
1d037ca1 | 1234 | int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) |
5f9c39dc | 1235 | { |
b5b87312 TZ |
1236 | char *rec_script_path = NULL; |
1237 | char *rep_script_path = NULL; | |
d8f66248 | 1238 | struct perf_session *session; |
b5b87312 | 1239 | char *script_path = NULL; |
3875294f | 1240 | const char **__argv; |
b5b87312 | 1241 | int i, j, err; |
3875294f | 1242 | |
b5b87312 TZ |
1243 | setup_scripting(); |
1244 | ||
133dc4c3 | 1245 | argc = parse_options(argc, argv, options, script_usage, |
b5b87312 TZ |
1246 | PARSE_OPT_STOP_AT_NON_OPTION); |
1247 | ||
1248 | if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { | |
1249 | rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); | |
1250 | if (!rec_script_path) | |
1251 | return cmd_record(argc, argv, NULL); | |
3875294f TZ |
1252 | } |
1253 | ||
b5b87312 TZ |
1254 | if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { |
1255 | rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); | |
1256 | if (!rep_script_path) { | |
3875294f | 1257 | fprintf(stderr, |
b5b87312 | 1258 | "Please specify a valid report script" |
133dc4c3 | 1259 | "(see 'perf script -l' for listing)\n"); |
3875294f TZ |
1260 | return -1; |
1261 | } | |
3875294f TZ |
1262 | } |
1263 | ||
44e668c6 BH |
1264 | /* make sure PERF_EXEC_PATH is set for scripts */ |
1265 | perf_set_argv_exec_path(perf_exec_path()); | |
1266 | ||
b5b87312 | 1267 | if (argc && !script_name && !rec_script_path && !rep_script_path) { |
a0cccc2e | 1268 | int live_pipe[2]; |
b5b87312 | 1269 | int rep_args; |
a0cccc2e TZ |
1270 | pid_t pid; |
1271 | ||
b5b87312 TZ |
1272 | rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); |
1273 | rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); | |
1274 | ||
1275 | if (!rec_script_path && !rep_script_path) { | |
1276 | fprintf(stderr, " Couldn't find script %s\n\n See perf" | |
133dc4c3 IM |
1277 | " script -l for available scripts.\n", argv[0]); |
1278 | usage_with_options(script_usage, options); | |
a0cccc2e TZ |
1279 | } |
1280 | ||
b5b87312 TZ |
1281 | if (is_top_script(argv[0])) { |
1282 | rep_args = argc - 1; | |
1283 | } else { | |
1284 | int rec_args; | |
1285 | ||
1286 | rep_args = has_required_arg(rep_script_path); | |
1287 | rec_args = (argc - 1) - rep_args; | |
1288 | if (rec_args < 0) { | |
1289 | fprintf(stderr, " %s script requires options." | |
133dc4c3 | 1290 | "\n\n See perf script -l for available " |
b5b87312 | 1291 | "scripts and options.\n", argv[0]); |
133dc4c3 | 1292 | usage_with_options(script_usage, options); |
b5b87312 | 1293 | } |
a0cccc2e TZ |
1294 | } |
1295 | ||
1296 | if (pipe(live_pipe) < 0) { | |
1297 | perror("failed to create pipe"); | |
d54b1a9e | 1298 | return -1; |
a0cccc2e TZ |
1299 | } |
1300 | ||
1301 | pid = fork(); | |
1302 | if (pid < 0) { | |
1303 | perror("failed to fork"); | |
d54b1a9e | 1304 | return -1; |
a0cccc2e TZ |
1305 | } |
1306 | ||
1307 | if (!pid) { | |
b5b87312 TZ |
1308 | j = 0; |
1309 | ||
a0cccc2e TZ |
1310 | dup2(live_pipe[1], 1); |
1311 | close(live_pipe[0]); | |
1312 | ||
317df650 RR |
1313 | if (is_top_script(argv[0])) { |
1314 | system_wide = true; | |
1315 | } else if (!system_wide) { | |
d54b1a9e DA |
1316 | if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { |
1317 | err = -1; | |
1318 | goto out; | |
1319 | } | |
317df650 | 1320 | } |
b5b87312 TZ |
1321 | |
1322 | __argv = malloc((argc + 6) * sizeof(const char *)); | |
d54b1a9e DA |
1323 | if (!__argv) { |
1324 | pr_err("malloc failed\n"); | |
1325 | err = -ENOMEM; | |
1326 | goto out; | |
1327 | } | |
e8719adf | 1328 | |
b5b87312 TZ |
1329 | __argv[j++] = "/bin/sh"; |
1330 | __argv[j++] = rec_script_path; | |
1331 | if (system_wide) | |
1332 | __argv[j++] = "-a"; | |
1333 | __argv[j++] = "-q"; | |
1334 | __argv[j++] = "-o"; | |
1335 | __argv[j++] = "-"; | |
1336 | for (i = rep_args + 1; i < argc; i++) | |
1337 | __argv[j++] = argv[i]; | |
1338 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1339 | |
1340 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1341 | free(__argv); |
a0cccc2e TZ |
1342 | exit(-1); |
1343 | } | |
1344 | ||
1345 | dup2(live_pipe[0], 0); | |
1346 | close(live_pipe[1]); | |
1347 | ||
b5b87312 | 1348 | __argv = malloc((argc + 4) * sizeof(const char *)); |
d54b1a9e DA |
1349 | if (!__argv) { |
1350 | pr_err("malloc failed\n"); | |
1351 | err = -ENOMEM; | |
1352 | goto out; | |
1353 | } | |
1354 | ||
b5b87312 TZ |
1355 | j = 0; |
1356 | __argv[j++] = "/bin/sh"; | |
1357 | __argv[j++] = rep_script_path; | |
1358 | for (i = 1; i < rep_args + 1; i++) | |
1359 | __argv[j++] = argv[i]; | |
1360 | __argv[j++] = "-i"; | |
1361 | __argv[j++] = "-"; | |
1362 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1363 | |
1364 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1365 | free(__argv); |
a0cccc2e TZ |
1366 | exit(-1); |
1367 | } | |
1368 | ||
b5b87312 TZ |
1369 | if (rec_script_path) |
1370 | script_path = rec_script_path; | |
1371 | if (rep_script_path) | |
1372 | script_path = rep_script_path; | |
34c86ea9 | 1373 | |
b5b87312 | 1374 | if (script_path) { |
b5b87312 | 1375 | j = 0; |
3875294f | 1376 | |
317df650 RR |
1377 | if (!rec_script_path) |
1378 | system_wide = false; | |
d54b1a9e DA |
1379 | else if (!system_wide) { |
1380 | if (have_cmd(argc - 1, &argv[1]) != 0) { | |
1381 | err = -1; | |
1382 | goto out; | |
1383 | } | |
1384 | } | |
34c86ea9 | 1385 | |
b5b87312 | 1386 | __argv = malloc((argc + 2) * sizeof(const char *)); |
d54b1a9e DA |
1387 | if (!__argv) { |
1388 | pr_err("malloc failed\n"); | |
1389 | err = -ENOMEM; | |
1390 | goto out; | |
1391 | } | |
1392 | ||
34c86ea9 TZ |
1393 | __argv[j++] = "/bin/sh"; |
1394 | __argv[j++] = script_path; | |
1395 | if (system_wide) | |
1396 | __argv[j++] = "-a"; | |
b5b87312 | 1397 | for (i = 2; i < argc; i++) |
34c86ea9 TZ |
1398 | __argv[j++] = argv[i]; |
1399 | __argv[j++] = NULL; | |
3875294f TZ |
1400 | |
1401 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1402 | free(__argv); |
3875294f TZ |
1403 | exit(-1); |
1404 | } | |
956ffd02 | 1405 | |
655000e7 ACM |
1406 | if (symbol__init() < 0) |
1407 | return -1; | |
cf4fee50 TZ |
1408 | if (!script_name) |
1409 | setup_pager(); | |
5f9c39dc | 1410 | |
da378962 | 1411 | session = perf_session__new(input_name, O_RDONLY, 0, false, |
97822433 | 1412 | &perf_script); |
d8f66248 ACM |
1413 | if (session == NULL) |
1414 | return -ENOMEM; | |
1415 | ||
5d67be97 AB |
1416 | if (cpu_list) { |
1417 | if (perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap)) | |
1418 | return -1; | |
1419 | } | |
1420 | ||
fbe96f29 SE |
1421 | perf_session__fprintf_info(session, stdout, show_full_info); |
1422 | ||
1424dc96 | 1423 | if (!no_callchain) |
c0230b2b DA |
1424 | symbol_conf.use_callchain = true; |
1425 | else | |
1426 | symbol_conf.use_callchain = false; | |
1427 | ||
956ffd02 TZ |
1428 | if (generate_script_lang) { |
1429 | struct stat perf_stat; | |
745f43e3 DA |
1430 | int input; |
1431 | ||
2c9e45f7 | 1432 | if (output_set_by_user()) { |
745f43e3 DA |
1433 | fprintf(stderr, |
1434 | "custom fields not supported for generated scripts"); | |
1435 | return -1; | |
1436 | } | |
956ffd02 | 1437 | |
efad1415 | 1438 | input = open(session->filename, O_RDONLY); /* input_name */ |
956ffd02 TZ |
1439 | if (input < 0) { |
1440 | perror("failed to open file"); | |
d54b1a9e | 1441 | return -1; |
956ffd02 TZ |
1442 | } |
1443 | ||
1444 | err = fstat(input, &perf_stat); | |
1445 | if (err < 0) { | |
1446 | perror("failed to stat file"); | |
d54b1a9e | 1447 | return -1; |
956ffd02 TZ |
1448 | } |
1449 | ||
1450 | if (!perf_stat.st_size) { | |
1451 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
d54b1a9e | 1452 | return 0; |
956ffd02 TZ |
1453 | } |
1454 | ||
1455 | scripting_ops = script_spec__lookup(generate_script_lang); | |
1456 | if (!scripting_ops) { | |
1457 | fprintf(stderr, "invalid language specifier"); | |
1458 | return -1; | |
1459 | } | |
1460 | ||
da378962 ACM |
1461 | err = scripting_ops->generate_script(session->pevent, |
1462 | "perf-script"); | |
956ffd02 TZ |
1463 | goto out; |
1464 | } | |
1465 | ||
1466 | if (script_name) { | |
586bc5cc | 1467 | err = scripting_ops->start_script(script_name, argc, argv); |
956ffd02 TZ |
1468 | if (err) |
1469 | goto out; | |
133dc4c3 | 1470 | pr_debug("perf script started with script %s\n\n", script_name); |
956ffd02 TZ |
1471 | } |
1472 | ||
9cbdb702 DA |
1473 | |
1474 | err = perf_session__check_output_opt(session); | |
1475 | if (err < 0) | |
1476 | goto out; | |
1477 | ||
133dc4c3 | 1478 | err = __cmd_script(session); |
956ffd02 | 1479 | |
d8f66248 | 1480 | perf_session__delete(session); |
956ffd02 TZ |
1481 | cleanup_scripting(); |
1482 | out: | |
1483 | return err; | |
5f9c39dc | 1484 | } |