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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" |
f5fc1412 | 18 | #include "util/data.h" |
5d67be97 | 19 | #include <linux/bitmap.h> |
5f9c39dc | 20 | |
956ffd02 TZ |
21 | static char const *script_name; |
22 | static char const *generate_script_lang; | |
ffabd99e | 23 | static bool debug_mode; |
e1889d75 | 24 | static u64 last_timestamp; |
6fcf7ddb | 25 | static u64 nr_unordered; |
34c86ea9 | 26 | extern const struct option record_options[]; |
c0230b2b | 27 | static bool no_callchain; |
47390ae2 | 28 | static bool latency_format; |
317df650 | 29 | static bool system_wide; |
5d67be97 AB |
30 | static const char *cpu_list; |
31 | static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); | |
956ffd02 | 32 | |
745f43e3 DA |
33 | enum perf_output_field { |
34 | PERF_OUTPUT_COMM = 1U << 0, | |
35 | PERF_OUTPUT_TID = 1U << 1, | |
36 | PERF_OUTPUT_PID = 1U << 2, | |
37 | PERF_OUTPUT_TIME = 1U << 3, | |
38 | PERF_OUTPUT_CPU = 1U << 4, | |
39 | PERF_OUTPUT_EVNAME = 1U << 5, | |
40 | PERF_OUTPUT_TRACE = 1U << 6, | |
787bef17 DA |
41 | PERF_OUTPUT_IP = 1U << 7, |
42 | PERF_OUTPUT_SYM = 1U << 8, | |
610723f2 | 43 | PERF_OUTPUT_DSO = 1U << 9, |
7cec0922 | 44 | PERF_OUTPUT_ADDR = 1U << 10, |
a978f2ab | 45 | PERF_OUTPUT_SYMOFFSET = 1U << 11, |
745f43e3 DA |
46 | }; |
47 | ||
48 | struct output_option { | |
49 | const char *str; | |
50 | enum perf_output_field field; | |
51 | } all_output_options[] = { | |
52 | {.str = "comm", .field = PERF_OUTPUT_COMM}, | |
53 | {.str = "tid", .field = PERF_OUTPUT_TID}, | |
54 | {.str = "pid", .field = PERF_OUTPUT_PID}, | |
55 | {.str = "time", .field = PERF_OUTPUT_TIME}, | |
56 | {.str = "cpu", .field = PERF_OUTPUT_CPU}, | |
57 | {.str = "event", .field = PERF_OUTPUT_EVNAME}, | |
58 | {.str = "trace", .field = PERF_OUTPUT_TRACE}, | |
787bef17 | 59 | {.str = "ip", .field = PERF_OUTPUT_IP}, |
c0230b2b | 60 | {.str = "sym", .field = PERF_OUTPUT_SYM}, |
610723f2 | 61 | {.str = "dso", .field = PERF_OUTPUT_DSO}, |
7cec0922 | 62 | {.str = "addr", .field = PERF_OUTPUT_ADDR}, |
a978f2ab | 63 | {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, |
745f43e3 DA |
64 | }; |
65 | ||
66 | /* default set to maintain compatibility with current format */ | |
2c9e45f7 DA |
67 | static struct { |
68 | bool user_set; | |
9cbdb702 | 69 | bool wildcard_set; |
a6ffaf91 | 70 | unsigned int print_ip_opts; |
2c9e45f7 DA |
71 | u64 fields; |
72 | u64 invalid_fields; | |
73 | } output[PERF_TYPE_MAX] = { | |
74 | ||
75 | [PERF_TYPE_HARDWARE] = { | |
76 | .user_set = false, | |
77 | ||
78 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
79 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 80 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 81 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
2c9e45f7 DA |
82 | |
83 | .invalid_fields = PERF_OUTPUT_TRACE, | |
84 | }, | |
85 | ||
86 | [PERF_TYPE_SOFTWARE] = { | |
87 | .user_set = false, | |
88 | ||
89 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
90 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 91 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 92 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
2c9e45f7 DA |
93 | |
94 | .invalid_fields = PERF_OUTPUT_TRACE, | |
95 | }, | |
96 | ||
97 | [PERF_TYPE_TRACEPOINT] = { | |
98 | .user_set = false, | |
99 | ||
100 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
101 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
102 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE, | |
103 | }, | |
0817a6a3 AS |
104 | |
105 | [PERF_TYPE_RAW] = { | |
106 | .user_set = false, | |
107 | ||
108 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
109 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 110 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 111 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
0817a6a3 AS |
112 | |
113 | .invalid_fields = PERF_OUTPUT_TRACE, | |
114 | }, | |
1424dc96 | 115 | }; |
745f43e3 | 116 | |
2c9e45f7 DA |
117 | static bool output_set_by_user(void) |
118 | { | |
119 | int j; | |
120 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
121 | if (output[j].user_set) | |
122 | return true; | |
123 | } | |
124 | return false; | |
125 | } | |
745f43e3 | 126 | |
9cbdb702 DA |
127 | static const char *output_field2str(enum perf_output_field field) |
128 | { | |
129 | int i, imax = ARRAY_SIZE(all_output_options); | |
130 | const char *str = ""; | |
131 | ||
132 | for (i = 0; i < imax; ++i) { | |
133 | if (all_output_options[i].field == field) { | |
134 | str = all_output_options[i].str; | |
135 | break; | |
136 | } | |
137 | } | |
138 | return str; | |
139 | } | |
140 | ||
2c9e45f7 | 141 | #define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x) |
1424dc96 | 142 | |
5bff01f6 ACM |
143 | static int perf_evsel__check_stype(struct perf_evsel *evsel, |
144 | u64 sample_type, const char *sample_msg, | |
145 | enum perf_output_field field) | |
1424dc96 | 146 | { |
5bff01f6 | 147 | struct perf_event_attr *attr = &evsel->attr; |
9cbdb702 DA |
148 | int type = attr->type; |
149 | const char *evname; | |
150 | ||
151 | if (attr->sample_type & sample_type) | |
152 | return 0; | |
153 | ||
154 | if (output[type].user_set) { | |
5bff01f6 | 155 | evname = perf_evsel__name(evsel); |
9cbdb702 DA |
156 | pr_err("Samples for '%s' event do not have %s attribute set. " |
157 | "Cannot print '%s' field.\n", | |
158 | evname, sample_msg, output_field2str(field)); | |
159 | return -1; | |
160 | } | |
161 | ||
162 | /* user did not ask for it explicitly so remove from the default list */ | |
163 | output[type].fields &= ~field; | |
5bff01f6 | 164 | evname = perf_evsel__name(evsel); |
9cbdb702 DA |
165 | pr_debug("Samples for '%s' event do not have %s attribute set. " |
166 | "Skipping '%s' field.\n", | |
167 | evname, sample_msg, output_field2str(field)); | |
168 | ||
169 | return 0; | |
170 | } | |
171 | ||
172 | static int perf_evsel__check_attr(struct perf_evsel *evsel, | |
173 | struct perf_session *session) | |
174 | { | |
175 | struct perf_event_attr *attr = &evsel->attr; | |
176 | ||
1424dc96 DA |
177 | if (PRINT_FIELD(TRACE) && |
178 | !perf_session__has_traces(session, "record -R")) | |
179 | return -EINVAL; | |
180 | ||
787bef17 | 181 | if (PRINT_FIELD(IP)) { |
5bff01f6 ACM |
182 | if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", |
183 | PERF_OUTPUT_IP)) | |
1424dc96 | 184 | return -EINVAL; |
9cbdb702 | 185 | |
1424dc96 | 186 | if (!no_callchain && |
9cbdb702 | 187 | !(attr->sample_type & PERF_SAMPLE_CALLCHAIN)) |
1424dc96 DA |
188 | symbol_conf.use_callchain = false; |
189 | } | |
7cec0922 DA |
190 | |
191 | if (PRINT_FIELD(ADDR) && | |
5bff01f6 ACM |
192 | perf_evsel__check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", |
193 | PERF_OUTPUT_ADDR)) | |
7cec0922 DA |
194 | return -EINVAL; |
195 | ||
196 | if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { | |
197 | pr_err("Display of symbols requested but neither sample IP nor " | |
198 | "sample address\nis selected. Hence, no addresses to convert " | |
199 | "to symbols.\n"); | |
787bef17 DA |
200 | return -EINVAL; |
201 | } | |
a978f2ab AN |
202 | if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { |
203 | pr_err("Display of offsets requested but symbol is not" | |
204 | "selected.\n"); | |
205 | return -EINVAL; | |
206 | } | |
7cec0922 DA |
207 | if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { |
208 | pr_err("Display of DSO requested but neither sample IP nor " | |
209 | "sample address\nis selected. Hence, no addresses to convert " | |
210 | "to DSO.\n"); | |
610723f2 DA |
211 | return -EINVAL; |
212 | } | |
1424dc96 DA |
213 | |
214 | if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && | |
5bff01f6 ACM |
215 | perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", |
216 | PERF_OUTPUT_TID|PERF_OUTPUT_PID)) | |
1424dc96 | 217 | return -EINVAL; |
1424dc96 DA |
218 | |
219 | if (PRINT_FIELD(TIME) && | |
5bff01f6 ACM |
220 | perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", |
221 | PERF_OUTPUT_TIME)) | |
1424dc96 | 222 | return -EINVAL; |
1424dc96 DA |
223 | |
224 | if (PRINT_FIELD(CPU) && | |
5bff01f6 ACM |
225 | perf_evsel__check_stype(evsel, PERF_SAMPLE_CPU, "CPU", |
226 | PERF_OUTPUT_CPU)) | |
1424dc96 | 227 | return -EINVAL; |
9cbdb702 DA |
228 | |
229 | return 0; | |
230 | } | |
231 | ||
7ea95727 AH |
232 | static void set_print_ip_opts(struct perf_event_attr *attr) |
233 | { | |
234 | unsigned int type = attr->type; | |
235 | ||
236 | output[type].print_ip_opts = 0; | |
237 | if (PRINT_FIELD(IP)) | |
238 | output[type].print_ip_opts |= PRINT_IP_OPT_IP; | |
239 | ||
240 | if (PRINT_FIELD(SYM)) | |
241 | output[type].print_ip_opts |= PRINT_IP_OPT_SYM; | |
242 | ||
243 | if (PRINT_FIELD(DSO)) | |
244 | output[type].print_ip_opts |= PRINT_IP_OPT_DSO; | |
245 | ||
246 | if (PRINT_FIELD(SYMOFFSET)) | |
247 | output[type].print_ip_opts |= PRINT_IP_OPT_SYMOFFSET; | |
248 | } | |
249 | ||
9cbdb702 DA |
250 | /* |
251 | * verify all user requested events exist and the samples | |
252 | * have the expected data | |
253 | */ | |
254 | static int perf_session__check_output_opt(struct perf_session *session) | |
255 | { | |
256 | int j; | |
257 | struct perf_evsel *evsel; | |
258 | ||
259 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
260 | evsel = perf_session__find_first_evtype(session, j); | |
261 | ||
262 | /* | |
263 | * even if fields is set to 0 (ie., show nothing) event must | |
264 | * exist if user explicitly includes it on the command line | |
265 | */ | |
266 | if (!evsel && output[j].user_set && !output[j].wildcard_set) { | |
267 | pr_err("%s events do not exist. " | |
268 | "Remove corresponding -f option to proceed.\n", | |
269 | event_type(j)); | |
270 | return -1; | |
271 | } | |
272 | ||
273 | if (evsel && output[j].fields && | |
274 | perf_evsel__check_attr(evsel, session)) | |
275 | return -1; | |
a6ffaf91 DA |
276 | |
277 | if (evsel == NULL) | |
278 | continue; | |
279 | ||
7ea95727 | 280 | set_print_ip_opts(&evsel->attr); |
1424dc96 DA |
281 | } |
282 | ||
80b8b496 DA |
283 | /* |
284 | * set default for tracepoints to print symbols only | |
285 | * if callchains are present | |
286 | */ | |
287 | if (symbol_conf.use_callchain && | |
288 | !output[PERF_TYPE_TRACEPOINT].user_set) { | |
289 | struct perf_event_attr *attr; | |
290 | ||
291 | j = PERF_TYPE_TRACEPOINT; | |
292 | evsel = perf_session__find_first_evtype(session, j); | |
293 | if (evsel == NULL) | |
294 | goto out; | |
295 | ||
296 | attr = &evsel->attr; | |
297 | ||
298 | if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) { | |
299 | output[j].fields |= PERF_OUTPUT_IP; | |
300 | output[j].fields |= PERF_OUTPUT_SYM; | |
301 | output[j].fields |= PERF_OUTPUT_DSO; | |
302 | set_print_ip_opts(attr); | |
303 | } | |
304 | } | |
305 | ||
306 | out: | |
1424dc96 DA |
307 | return 0; |
308 | } | |
745f43e3 | 309 | |
fcf65bf1 | 310 | static void print_sample_start(struct perf_sample *sample, |
1424dc96 | 311 | struct thread *thread, |
5bff01f6 | 312 | struct perf_evsel *evsel) |
c70c94b4 | 313 | { |
5bff01f6 | 314 | struct perf_event_attr *attr = &evsel->attr; |
c70c94b4 DA |
315 | unsigned long secs; |
316 | unsigned long usecs; | |
745f43e3 DA |
317 | unsigned long long nsecs; |
318 | ||
319 | if (PRINT_FIELD(COMM)) { | |
320 | if (latency_format) | |
b9c5143a | 321 | printf("%8.8s ", thread__comm_str(thread)); |
787bef17 | 322 | else if (PRINT_FIELD(IP) && symbol_conf.use_callchain) |
b9c5143a | 323 | printf("%s ", thread__comm_str(thread)); |
745f43e3 | 324 | else |
b9c5143a | 325 | printf("%16s ", thread__comm_str(thread)); |
745f43e3 | 326 | } |
c70c94b4 | 327 | |
745f43e3 DA |
328 | if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) |
329 | printf("%5d/%-5d ", sample->pid, sample->tid); | |
330 | else if (PRINT_FIELD(PID)) | |
331 | printf("%5d ", sample->pid); | |
332 | else if (PRINT_FIELD(TID)) | |
333 | printf("%5d ", sample->tid); | |
334 | ||
335 | if (PRINT_FIELD(CPU)) { | |
336 | if (latency_format) | |
337 | printf("%3d ", sample->cpu); | |
338 | else | |
339 | printf("[%03d] ", sample->cpu); | |
340 | } | |
c70c94b4 | 341 | |
745f43e3 DA |
342 | if (PRINT_FIELD(TIME)) { |
343 | nsecs = sample->time; | |
344 | secs = nsecs / NSECS_PER_SEC; | |
345 | nsecs -= secs * NSECS_PER_SEC; | |
346 | usecs = nsecs / NSECS_PER_USEC; | |
347 | printf("%5lu.%06lu: ", secs, usecs); | |
348 | } | |
c70c94b4 DA |
349 | } |
350 | ||
95582596 AN |
351 | static bool is_bts_event(struct perf_event_attr *attr) |
352 | { | |
353 | return ((attr->type == PERF_TYPE_HARDWARE) && | |
354 | (attr->config & PERF_COUNT_HW_BRANCH_INSTRUCTIONS) && | |
355 | (attr->sample_period == 1)); | |
356 | } | |
357 | ||
7cec0922 DA |
358 | static bool sample_addr_correlates_sym(struct perf_event_attr *attr) |
359 | { | |
360 | if ((attr->type == PERF_TYPE_SOFTWARE) && | |
361 | ((attr->config == PERF_COUNT_SW_PAGE_FAULTS) || | |
362 | (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MIN) || | |
363 | (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ))) | |
364 | return true; | |
365 | ||
95582596 AN |
366 | if (is_bts_event(attr)) |
367 | return true; | |
368 | ||
7cec0922 DA |
369 | return false; |
370 | } | |
371 | ||
372 | static void print_sample_addr(union perf_event *event, | |
373 | struct perf_sample *sample, | |
743eb868 | 374 | struct machine *machine, |
7cec0922 DA |
375 | struct thread *thread, |
376 | struct perf_event_attr *attr) | |
377 | { | |
378 | struct addr_location al; | |
379 | u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; | |
7cec0922 DA |
380 | |
381 | printf("%16" PRIx64, sample->addr); | |
382 | ||
383 | if (!sample_addr_correlates_sym(attr)) | |
384 | return; | |
385 | ||
743eb868 | 386 | thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION, |
326f59bf | 387 | sample->addr, &al); |
7cec0922 | 388 | if (!al.map) |
743eb868 | 389 | thread__find_addr_map(thread, machine, cpumode, MAP__VARIABLE, |
326f59bf | 390 | sample->addr, &al); |
7cec0922 DA |
391 | |
392 | al.cpu = sample->cpu; | |
393 | al.sym = NULL; | |
394 | ||
395 | if (al.map) | |
396 | al.sym = map__find_symbol(al.map, al.addr, NULL); | |
397 | ||
398 | if (PRINT_FIELD(SYM)) { | |
547a92e0 | 399 | printf(" "); |
a978f2ab AN |
400 | if (PRINT_FIELD(SYMOFFSET)) |
401 | symbol__fprintf_symname_offs(al.sym, &al, stdout); | |
402 | else | |
403 | symbol__fprintf_symname(al.sym, stdout); | |
7cec0922 DA |
404 | } |
405 | ||
406 | if (PRINT_FIELD(DSO)) { | |
547a92e0 AN |
407 | printf(" ("); |
408 | map__fprintf_dsoname(al.map, stdout); | |
409 | printf(")"); | |
7cec0922 DA |
410 | } |
411 | } | |
412 | ||
95582596 AN |
413 | static void print_sample_bts(union perf_event *event, |
414 | struct perf_sample *sample, | |
415 | struct perf_evsel *evsel, | |
416 | struct machine *machine, | |
417 | struct thread *thread) | |
418 | { | |
419 | struct perf_event_attr *attr = &evsel->attr; | |
420 | ||
421 | /* print branch_from information */ | |
422 | if (PRINT_FIELD(IP)) { | |
423 | if (!symbol_conf.use_callchain) | |
424 | printf(" "); | |
425 | else | |
426 | printf("\n"); | |
71ad0f5e | 427 | perf_evsel__print_ip(evsel, event, sample, machine, |
307cbb92 DA |
428 | output[attr->type].print_ip_opts, |
429 | PERF_MAX_STACK_DEPTH); | |
95582596 AN |
430 | } |
431 | ||
432 | printf(" => "); | |
433 | ||
434 | /* print branch_to information */ | |
243be3dd AH |
435 | if (PRINT_FIELD(ADDR) || |
436 | ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) && | |
437 | !output[attr->type].user_set)) | |
95582596 AN |
438 | print_sample_addr(event, sample, machine, thread, attr); |
439 | ||
440 | printf("\n"); | |
441 | } | |
442 | ||
97822433 ACM |
443 | static void process_event(union perf_event *event, struct perf_sample *sample, |
444 | struct perf_evsel *evsel, struct machine *machine, | |
2eaa1b40 DA |
445 | struct thread *thread, |
446 | struct addr_location *al __maybe_unused) | |
be6d842a | 447 | { |
9e69c210 | 448 | struct perf_event_attr *attr = &evsel->attr; |
1424dc96 | 449 | |
2c9e45f7 | 450 | if (output[attr->type].fields == 0) |
1424dc96 DA |
451 | return; |
452 | ||
fcf65bf1 | 453 | print_sample_start(sample, thread, evsel); |
745f43e3 | 454 | |
e944d3d7 NK |
455 | if (PRINT_FIELD(EVNAME)) { |
456 | const char *evname = perf_evsel__name(evsel); | |
457 | printf("%s: ", evname ? evname : "[unknown]"); | |
458 | } | |
459 | ||
95582596 AN |
460 | if (is_bts_event(attr)) { |
461 | print_sample_bts(event, sample, evsel, machine, thread); | |
462 | return; | |
463 | } | |
464 | ||
745f43e3 | 465 | if (PRINT_FIELD(TRACE)) |
fcf65bf1 ACM |
466 | event_format__print(evsel->tp_format, sample->cpu, |
467 | sample->raw_data, sample->raw_size); | |
7cec0922 | 468 | if (PRINT_FIELD(ADDR)) |
743eb868 | 469 | print_sample_addr(event, sample, machine, thread, attr); |
7cec0922 | 470 | |
787bef17 | 471 | if (PRINT_FIELD(IP)) { |
c0230b2b DA |
472 | if (!symbol_conf.use_callchain) |
473 | printf(" "); | |
474 | else | |
475 | printf("\n"); | |
a6ffaf91 | 476 | |
71ad0f5e | 477 | perf_evsel__print_ip(evsel, event, sample, machine, |
307cbb92 DA |
478 | output[attr->type].print_ip_opts, |
479 | PERF_MAX_STACK_DEPTH); | |
c0230b2b DA |
480 | } |
481 | ||
c70c94b4 | 482 | printf("\n"); |
be6d842a DA |
483 | } |
484 | ||
1d037ca1 IT |
485 | static int default_start_script(const char *script __maybe_unused, |
486 | int argc __maybe_unused, | |
487 | const char **argv __maybe_unused) | |
956ffd02 TZ |
488 | { |
489 | return 0; | |
490 | } | |
491 | ||
492 | static int default_stop_script(void) | |
493 | { | |
494 | return 0; | |
495 | } | |
496 | ||
1d037ca1 IT |
497 | static int default_generate_script(struct pevent *pevent __maybe_unused, |
498 | const char *outfile __maybe_unused) | |
956ffd02 TZ |
499 | { |
500 | return 0; | |
501 | } | |
502 | ||
503 | static struct scripting_ops default_scripting_ops = { | |
504 | .start_script = default_start_script, | |
505 | .stop_script = default_stop_script, | |
be6d842a | 506 | .process_event = process_event, |
956ffd02 TZ |
507 | .generate_script = default_generate_script, |
508 | }; | |
509 | ||
510 | static struct scripting_ops *scripting_ops; | |
511 | ||
512 | static void setup_scripting(void) | |
513 | { | |
16c632de | 514 | setup_perl_scripting(); |
7e4b21b8 | 515 | setup_python_scripting(); |
16c632de | 516 | |
956ffd02 TZ |
517 | scripting_ops = &default_scripting_ops; |
518 | } | |
519 | ||
520 | static int cleanup_scripting(void) | |
521 | { | |
133dc4c3 | 522 | pr_debug("\nperf script stopped\n"); |
3824a4e8 | 523 | |
956ffd02 TZ |
524 | return scripting_ops->stop_script(); |
525 | } | |
526 | ||
1d037ca1 | 527 | static int process_sample_event(struct perf_tool *tool __maybe_unused, |
d20deb64 | 528 | union perf_event *event, |
8115d60c | 529 | struct perf_sample *sample, |
9e69c210 | 530 | struct perf_evsel *evsel, |
743eb868 | 531 | struct machine *machine) |
5f9c39dc | 532 | { |
e7984b7b | 533 | struct addr_location al; |
ef89325f AH |
534 | struct thread *thread = machine__findnew_thread(machine, sample->pid, |
535 | sample->tid); | |
6ddf259d | 536 | |
5f9c39dc | 537 | if (thread == NULL) { |
6beba7ad ACM |
538 | pr_debug("problem processing %d event, skipping it.\n", |
539 | event->header.type); | |
5f9c39dc FW |
540 | return -1; |
541 | } | |
542 | ||
1424dc96 DA |
543 | if (debug_mode) { |
544 | if (sample->time < last_timestamp) { | |
545 | pr_err("Samples misordered, previous: %" PRIu64 | |
546 | " this: %" PRIu64 "\n", last_timestamp, | |
547 | sample->time); | |
548 | nr_unordered++; | |
e1889d75 | 549 | } |
1424dc96 DA |
550 | last_timestamp = sample->time; |
551 | return 0; | |
5f9c39dc | 552 | } |
5d67be97 | 553 | |
e44baa3e | 554 | if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { |
e7984b7b DA |
555 | pr_err("problem processing %d event, skipping it.\n", |
556 | event->header.type); | |
557 | return -1; | |
558 | } | |
559 | ||
560 | if (al.filtered) | |
561 | return 0; | |
562 | ||
5d67be97 AB |
563 | if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) |
564 | return 0; | |
565 | ||
2eaa1b40 | 566 | scripting_ops->process_event(event, sample, evsel, machine, thread, &al); |
5f9c39dc | 567 | |
743eb868 | 568 | evsel->hists.stats.total_period += sample->period; |
5f9c39dc FW |
569 | return 0; |
570 | } | |
571 | ||
6f3e5eda AH |
572 | struct perf_script { |
573 | struct perf_tool tool; | |
574 | struct perf_session *session; | |
ad7ebb9a | 575 | bool show_task_events; |
ba1ddf42 | 576 | bool show_mmap_events; |
016e92fb FW |
577 | }; |
578 | ||
7ea95727 AH |
579 | static int process_attr(struct perf_tool *tool, union perf_event *event, |
580 | struct perf_evlist **pevlist) | |
581 | { | |
582 | struct perf_script *scr = container_of(tool, struct perf_script, tool); | |
583 | struct perf_evlist *evlist; | |
584 | struct perf_evsel *evsel, *pos; | |
585 | int err; | |
586 | ||
587 | err = perf_event__process_attr(tool, event, pevlist); | |
588 | if (err) | |
589 | return err; | |
590 | ||
591 | evlist = *pevlist; | |
592 | evsel = perf_evlist__last(*pevlist); | |
593 | ||
594 | if (evsel->attr.type >= PERF_TYPE_MAX) | |
595 | return 0; | |
596 | ||
597 | list_for_each_entry(pos, &evlist->entries, node) { | |
598 | if (pos->attr.type == evsel->attr.type && pos != evsel) | |
599 | return 0; | |
600 | } | |
601 | ||
602 | set_print_ip_opts(&evsel->attr); | |
603 | ||
604 | return perf_evsel__check_attr(evsel, scr->session); | |
605 | } | |
606 | ||
ad7ebb9a NK |
607 | static int process_comm_event(struct perf_tool *tool, |
608 | union perf_event *event, | |
609 | struct perf_sample *sample, | |
610 | struct machine *machine) | |
611 | { | |
612 | struct thread *thread; | |
613 | struct perf_script *script = container_of(tool, struct perf_script, tool); | |
614 | struct perf_session *session = script->session; | |
615 | struct perf_evsel *evsel = perf_evlist__first(session->evlist); | |
616 | int ret = -1; | |
617 | ||
618 | thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid); | |
619 | if (thread == NULL) { | |
620 | pr_debug("problem processing COMM event, skipping it.\n"); | |
621 | return -1; | |
622 | } | |
623 | ||
624 | if (perf_event__process_comm(tool, event, sample, machine) < 0) | |
625 | goto out; | |
626 | ||
627 | if (!evsel->attr.sample_id_all) { | |
628 | sample->cpu = 0; | |
629 | sample->time = 0; | |
630 | sample->tid = event->comm.tid; | |
631 | sample->pid = event->comm.pid; | |
632 | } | |
633 | print_sample_start(sample, thread, evsel); | |
634 | perf_event__fprintf(event, stdout); | |
635 | ret = 0; | |
636 | ||
637 | out: | |
638 | return ret; | |
639 | } | |
640 | ||
641 | static int process_fork_event(struct perf_tool *tool, | |
642 | union perf_event *event, | |
643 | struct perf_sample *sample, | |
644 | struct machine *machine) | |
645 | { | |
646 | struct thread *thread; | |
647 | struct perf_script *script = container_of(tool, struct perf_script, tool); | |
648 | struct perf_session *session = script->session; | |
649 | struct perf_evsel *evsel = perf_evlist__first(session->evlist); | |
650 | ||
651 | if (perf_event__process_fork(tool, event, sample, machine) < 0) | |
652 | return -1; | |
653 | ||
654 | thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); | |
655 | if (thread == NULL) { | |
656 | pr_debug("problem processing FORK event, skipping it.\n"); | |
657 | return -1; | |
658 | } | |
659 | ||
660 | if (!evsel->attr.sample_id_all) { | |
661 | sample->cpu = 0; | |
662 | sample->time = event->fork.time; | |
663 | sample->tid = event->fork.tid; | |
664 | sample->pid = event->fork.pid; | |
665 | } | |
666 | print_sample_start(sample, thread, evsel); | |
667 | perf_event__fprintf(event, stdout); | |
668 | ||
669 | return 0; | |
670 | } | |
671 | static int process_exit_event(struct perf_tool *tool, | |
672 | union perf_event *event, | |
673 | struct perf_sample *sample, | |
674 | struct machine *machine) | |
675 | { | |
676 | struct thread *thread; | |
677 | struct perf_script *script = container_of(tool, struct perf_script, tool); | |
678 | struct perf_session *session = script->session; | |
679 | struct perf_evsel *evsel = perf_evlist__first(session->evlist); | |
680 | ||
681 | thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); | |
682 | if (thread == NULL) { | |
683 | pr_debug("problem processing EXIT event, skipping it.\n"); | |
684 | return -1; | |
685 | } | |
686 | ||
687 | if (!evsel->attr.sample_id_all) { | |
688 | sample->cpu = 0; | |
689 | sample->time = 0; | |
690 | sample->tid = event->comm.tid; | |
691 | sample->pid = event->comm.pid; | |
692 | } | |
693 | print_sample_start(sample, thread, evsel); | |
694 | perf_event__fprintf(event, stdout); | |
695 | ||
696 | if (perf_event__process_exit(tool, event, sample, machine) < 0) | |
697 | return -1; | |
698 | ||
699 | return 0; | |
700 | } | |
701 | ||
ba1ddf42 NK |
702 | static int process_mmap_event(struct perf_tool *tool, |
703 | union perf_event *event, | |
704 | struct perf_sample *sample, | |
705 | struct machine *machine) | |
706 | { | |
707 | struct thread *thread; | |
708 | struct perf_script *script = container_of(tool, struct perf_script, tool); | |
709 | struct perf_session *session = script->session; | |
710 | struct perf_evsel *evsel = perf_evlist__first(session->evlist); | |
711 | ||
712 | if (perf_event__process_mmap(tool, event, sample, machine) < 0) | |
713 | return -1; | |
714 | ||
715 | thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid); | |
716 | if (thread == NULL) { | |
717 | pr_debug("problem processing MMAP event, skipping it.\n"); | |
718 | return -1; | |
719 | } | |
720 | ||
721 | if (!evsel->attr.sample_id_all) { | |
722 | sample->cpu = 0; | |
723 | sample->time = 0; | |
724 | sample->tid = event->mmap.tid; | |
725 | sample->pid = event->mmap.pid; | |
726 | } | |
727 | print_sample_start(sample, thread, evsel); | |
728 | perf_event__fprintf(event, stdout); | |
729 | ||
730 | return 0; | |
731 | } | |
732 | ||
733 | static int process_mmap2_event(struct perf_tool *tool, | |
734 | union perf_event *event, | |
735 | struct perf_sample *sample, | |
736 | struct machine *machine) | |
737 | { | |
738 | struct thread *thread; | |
739 | struct perf_script *script = container_of(tool, struct perf_script, tool); | |
740 | struct perf_session *session = script->session; | |
741 | struct perf_evsel *evsel = perf_evlist__first(session->evlist); | |
742 | ||
743 | if (perf_event__process_mmap2(tool, event, sample, machine) < 0) | |
744 | return -1; | |
745 | ||
746 | thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid); | |
747 | if (thread == NULL) { | |
748 | pr_debug("problem processing MMAP2 event, skipping it.\n"); | |
749 | return -1; | |
750 | } | |
751 | ||
752 | if (!evsel->attr.sample_id_all) { | |
753 | sample->cpu = 0; | |
754 | sample->time = 0; | |
755 | sample->tid = event->mmap2.tid; | |
756 | sample->pid = event->mmap2.pid; | |
757 | } | |
758 | print_sample_start(sample, thread, evsel); | |
759 | perf_event__fprintf(event, stdout); | |
760 | ||
761 | return 0; | |
762 | } | |
763 | ||
1d037ca1 | 764 | static void sig_handler(int sig __maybe_unused) |
c239da3b TZ |
765 | { |
766 | session_done = 1; | |
767 | } | |
768 | ||
6f3e5eda | 769 | static int __cmd_script(struct perf_script *script) |
5f9c39dc | 770 | { |
6fcf7ddb FW |
771 | int ret; |
772 | ||
c239da3b TZ |
773 | signal(SIGINT, sig_handler); |
774 | ||
ad7ebb9a NK |
775 | /* override event processing functions */ |
776 | if (script->show_task_events) { | |
777 | script->tool.comm = process_comm_event; | |
778 | script->tool.fork = process_fork_event; | |
779 | script->tool.exit = process_exit_event; | |
780 | } | |
ba1ddf42 NK |
781 | if (script->show_mmap_events) { |
782 | script->tool.mmap = process_mmap_event; | |
783 | script->tool.mmap2 = process_mmap2_event; | |
784 | } | |
ad7ebb9a | 785 | |
6f3e5eda | 786 | ret = perf_session__process_events(script->session, &script->tool); |
6fcf7ddb | 787 | |
6d8afb56 | 788 | if (debug_mode) |
9486aa38 | 789 | pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); |
6fcf7ddb FW |
790 | |
791 | return ret; | |
5f9c39dc FW |
792 | } |
793 | ||
956ffd02 TZ |
794 | struct script_spec { |
795 | struct list_head node; | |
796 | struct scripting_ops *ops; | |
797 | char spec[0]; | |
798 | }; | |
799 | ||
eccdfe2d | 800 | static LIST_HEAD(script_specs); |
956ffd02 TZ |
801 | |
802 | static struct script_spec *script_spec__new(const char *spec, | |
803 | struct scripting_ops *ops) | |
804 | { | |
805 | struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); | |
806 | ||
807 | if (s != NULL) { | |
808 | strcpy(s->spec, spec); | |
809 | s->ops = ops; | |
810 | } | |
811 | ||
812 | return s; | |
813 | } | |
814 | ||
956ffd02 TZ |
815 | static void script_spec__add(struct script_spec *s) |
816 | { | |
817 | list_add_tail(&s->node, &script_specs); | |
818 | } | |
819 | ||
820 | static struct script_spec *script_spec__find(const char *spec) | |
821 | { | |
822 | struct script_spec *s; | |
823 | ||
824 | list_for_each_entry(s, &script_specs, node) | |
825 | if (strcasecmp(s->spec, spec) == 0) | |
826 | return s; | |
827 | return NULL; | |
828 | } | |
829 | ||
830 | static struct script_spec *script_spec__findnew(const char *spec, | |
831 | struct scripting_ops *ops) | |
832 | { | |
833 | struct script_spec *s = script_spec__find(spec); | |
834 | ||
835 | if (s) | |
836 | return s; | |
837 | ||
838 | s = script_spec__new(spec, ops); | |
839 | if (!s) | |
466e2876 | 840 | return NULL; |
956ffd02 TZ |
841 | |
842 | script_spec__add(s); | |
843 | ||
844 | return s; | |
956ffd02 TZ |
845 | } |
846 | ||
847 | int script_spec_register(const char *spec, struct scripting_ops *ops) | |
848 | { | |
849 | struct script_spec *s; | |
850 | ||
851 | s = script_spec__find(spec); | |
852 | if (s) | |
853 | return -1; | |
854 | ||
855 | s = script_spec__findnew(spec, ops); | |
856 | if (!s) | |
857 | return -1; | |
858 | ||
859 | return 0; | |
860 | } | |
861 | ||
862 | static struct scripting_ops *script_spec__lookup(const char *spec) | |
863 | { | |
864 | struct script_spec *s = script_spec__find(spec); | |
865 | if (!s) | |
866 | return NULL; | |
867 | ||
868 | return s->ops; | |
869 | } | |
870 | ||
871 | static void list_available_languages(void) | |
872 | { | |
873 | struct script_spec *s; | |
874 | ||
875 | fprintf(stderr, "\n"); | |
876 | fprintf(stderr, "Scripting language extensions (used in " | |
133dc4c3 | 877 | "perf script -s [spec:]script.[spec]):\n\n"); |
956ffd02 TZ |
878 | |
879 | list_for_each_entry(s, &script_specs, node) | |
880 | fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); | |
881 | ||
882 | fprintf(stderr, "\n"); | |
883 | } | |
884 | ||
1d037ca1 IT |
885 | static int parse_scriptname(const struct option *opt __maybe_unused, |
886 | const char *str, int unset __maybe_unused) | |
956ffd02 TZ |
887 | { |
888 | char spec[PATH_MAX]; | |
889 | const char *script, *ext; | |
890 | int len; | |
891 | ||
f526d68b | 892 | if (strcmp(str, "lang") == 0) { |
956ffd02 | 893 | list_available_languages(); |
f526d68b | 894 | exit(0); |
956ffd02 TZ |
895 | } |
896 | ||
897 | script = strchr(str, ':'); | |
898 | if (script) { | |
899 | len = script - str; | |
900 | if (len >= PATH_MAX) { | |
901 | fprintf(stderr, "invalid language specifier"); | |
902 | return -1; | |
903 | } | |
904 | strncpy(spec, str, len); | |
905 | spec[len] = '\0'; | |
906 | scripting_ops = script_spec__lookup(spec); | |
907 | if (!scripting_ops) { | |
908 | fprintf(stderr, "invalid language specifier"); | |
909 | return -1; | |
910 | } | |
911 | script++; | |
912 | } else { | |
913 | script = str; | |
d1e95bb5 | 914 | ext = strrchr(script, '.'); |
956ffd02 TZ |
915 | if (!ext) { |
916 | fprintf(stderr, "invalid script extension"); | |
917 | return -1; | |
918 | } | |
919 | scripting_ops = script_spec__lookup(++ext); | |
920 | if (!scripting_ops) { | |
921 | fprintf(stderr, "invalid script extension"); | |
922 | return -1; | |
923 | } | |
924 | } | |
925 | ||
926 | script_name = strdup(script); | |
927 | ||
928 | return 0; | |
929 | } | |
930 | ||
1d037ca1 IT |
931 | static int parse_output_fields(const struct option *opt __maybe_unused, |
932 | const char *arg, int unset __maybe_unused) | |
745f43e3 DA |
933 | { |
934 | char *tok; | |
50ca19ae | 935 | int i, imax = ARRAY_SIZE(all_output_options); |
2c9e45f7 | 936 | int j; |
745f43e3 DA |
937 | int rc = 0; |
938 | char *str = strdup(arg); | |
1424dc96 | 939 | int type = -1; |
745f43e3 DA |
940 | |
941 | if (!str) | |
942 | return -ENOMEM; | |
943 | ||
2c9e45f7 DA |
944 | /* first word can state for which event type the user is specifying |
945 | * the fields. If no type exists, the specified fields apply to all | |
946 | * event types found in the file minus the invalid fields for a type. | |
1424dc96 | 947 | */ |
2c9e45f7 DA |
948 | tok = strchr(str, ':'); |
949 | if (tok) { | |
950 | *tok = '\0'; | |
951 | tok++; | |
952 | if (!strcmp(str, "hw")) | |
953 | type = PERF_TYPE_HARDWARE; | |
954 | else if (!strcmp(str, "sw")) | |
955 | type = PERF_TYPE_SOFTWARE; | |
956 | else if (!strcmp(str, "trace")) | |
957 | type = PERF_TYPE_TRACEPOINT; | |
0817a6a3 AS |
958 | else if (!strcmp(str, "raw")) |
959 | type = PERF_TYPE_RAW; | |
2c9e45f7 DA |
960 | else { |
961 | fprintf(stderr, "Invalid event type in field string.\n"); | |
38efb539 RR |
962 | rc = -EINVAL; |
963 | goto out; | |
2c9e45f7 DA |
964 | } |
965 | ||
966 | if (output[type].user_set) | |
967 | pr_warning("Overriding previous field request for %s events.\n", | |
968 | event_type(type)); | |
969 | ||
970 | output[type].fields = 0; | |
971 | output[type].user_set = true; | |
9cbdb702 | 972 | output[type].wildcard_set = false; |
2c9e45f7 DA |
973 | |
974 | } else { | |
975 | tok = str; | |
976 | if (strlen(str) == 0) { | |
977 | fprintf(stderr, | |
978 | "Cannot set fields to 'none' for all event types.\n"); | |
979 | rc = -EINVAL; | |
980 | goto out; | |
981 | } | |
982 | ||
983 | if (output_set_by_user()) | |
984 | pr_warning("Overriding previous field request for all events.\n"); | |
985 | ||
986 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
987 | output[j].fields = 0; | |
988 | output[j].user_set = true; | |
9cbdb702 | 989 | output[j].wildcard_set = true; |
2c9e45f7 | 990 | } |
745f43e3 DA |
991 | } |
992 | ||
2c9e45f7 DA |
993 | tok = strtok(tok, ","); |
994 | while (tok) { | |
745f43e3 | 995 | for (i = 0; i < imax; ++i) { |
2c9e45f7 | 996 | if (strcmp(tok, all_output_options[i].str) == 0) |
745f43e3 | 997 | break; |
745f43e3 DA |
998 | } |
999 | if (i == imax) { | |
2c9e45f7 | 1000 | fprintf(stderr, "Invalid field requested.\n"); |
745f43e3 | 1001 | rc = -EINVAL; |
2c9e45f7 | 1002 | goto out; |
745f43e3 DA |
1003 | } |
1004 | ||
2c9e45f7 DA |
1005 | if (type == -1) { |
1006 | /* add user option to all events types for | |
1007 | * which it is valid | |
1008 | */ | |
1009 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
1010 | if (output[j].invalid_fields & all_output_options[i].field) { | |
1011 | pr_warning("\'%s\' not valid for %s events. Ignoring.\n", | |
1012 | all_output_options[i].str, event_type(j)); | |
1013 | } else | |
1014 | output[j].fields |= all_output_options[i].field; | |
1015 | } | |
1016 | } else { | |
1017 | if (output[type].invalid_fields & all_output_options[i].field) { | |
1018 | fprintf(stderr, "\'%s\' not valid for %s events.\n", | |
1019 | all_output_options[i].str, event_type(type)); | |
1020 | ||
1021 | rc = -EINVAL; | |
1022 | goto out; | |
1023 | } | |
1024 | output[type].fields |= all_output_options[i].field; | |
1025 | } | |
1026 | ||
1027 | tok = strtok(NULL, ","); | |
745f43e3 DA |
1028 | } |
1029 | ||
2c9e45f7 DA |
1030 | if (type >= 0) { |
1031 | if (output[type].fields == 0) { | |
1032 | pr_debug("No fields requested for %s type. " | |
1033 | "Events will not be displayed.\n", event_type(type)); | |
1034 | } | |
1035 | } | |
745f43e3 | 1036 | |
2c9e45f7 | 1037 | out: |
745f43e3 DA |
1038 | free(str); |
1039 | return rc; | |
1040 | } | |
1041 | ||
008f29d3 SB |
1042 | /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */ |
1043 | static int is_directory(const char *base_path, const struct dirent *dent) | |
1044 | { | |
1045 | char path[PATH_MAX]; | |
1046 | struct stat st; | |
1047 | ||
1048 | sprintf(path, "%s/%s", base_path, dent->d_name); | |
1049 | if (stat(path, &st)) | |
1050 | return 0; | |
1051 | ||
1052 | return S_ISDIR(st.st_mode); | |
1053 | } | |
1054 | ||
1055 | #define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\ | |
4b9c0c59 TZ |
1056 | while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \ |
1057 | lang_next) \ | |
008f29d3 SB |
1058 | if ((lang_dirent.d_type == DT_DIR || \ |
1059 | (lang_dirent.d_type == DT_UNKNOWN && \ | |
1060 | is_directory(scripts_path, &lang_dirent))) && \ | |
4b9c0c59 TZ |
1061 | (strcmp(lang_dirent.d_name, ".")) && \ |
1062 | (strcmp(lang_dirent.d_name, ".."))) | |
1063 | ||
008f29d3 | 1064 | #define for_each_script(lang_path, lang_dir, script_dirent, script_next)\ |
4b9c0c59 TZ |
1065 | while (!readdir_r(lang_dir, &script_dirent, &script_next) && \ |
1066 | script_next) \ | |
008f29d3 SB |
1067 | if (script_dirent.d_type != DT_DIR && \ |
1068 | (script_dirent.d_type != DT_UNKNOWN || \ | |
1069 | !is_directory(lang_path, &script_dirent))) | |
4b9c0c59 TZ |
1070 | |
1071 | ||
1072 | #define RECORD_SUFFIX "-record" | |
1073 | #define REPORT_SUFFIX "-report" | |
1074 | ||
1075 | struct script_desc { | |
1076 | struct list_head node; | |
1077 | char *name; | |
1078 | char *half_liner; | |
1079 | char *args; | |
1080 | }; | |
1081 | ||
eccdfe2d | 1082 | static LIST_HEAD(script_descs); |
4b9c0c59 TZ |
1083 | |
1084 | static struct script_desc *script_desc__new(const char *name) | |
1085 | { | |
1086 | struct script_desc *s = zalloc(sizeof(*s)); | |
1087 | ||
b5b87312 | 1088 | if (s != NULL && name) |
4b9c0c59 TZ |
1089 | s->name = strdup(name); |
1090 | ||
1091 | return s; | |
1092 | } | |
1093 | ||
1094 | static void script_desc__delete(struct script_desc *s) | |
1095 | { | |
1096 | free(s->name); | |
e8719adf TZ |
1097 | free(s->half_liner); |
1098 | free(s->args); | |
4b9c0c59 TZ |
1099 | free(s); |
1100 | } | |
1101 | ||
1102 | static void script_desc__add(struct script_desc *s) | |
1103 | { | |
1104 | list_add_tail(&s->node, &script_descs); | |
1105 | } | |
1106 | ||
1107 | static struct script_desc *script_desc__find(const char *name) | |
1108 | { | |
1109 | struct script_desc *s; | |
1110 | ||
1111 | list_for_each_entry(s, &script_descs, node) | |
1112 | if (strcasecmp(s->name, name) == 0) | |
1113 | return s; | |
1114 | return NULL; | |
1115 | } | |
1116 | ||
1117 | static struct script_desc *script_desc__findnew(const char *name) | |
1118 | { | |
1119 | struct script_desc *s = script_desc__find(name); | |
1120 | ||
1121 | if (s) | |
1122 | return s; | |
1123 | ||
1124 | s = script_desc__new(name); | |
1125 | if (!s) | |
1126 | goto out_delete_desc; | |
1127 | ||
1128 | script_desc__add(s); | |
1129 | ||
1130 | return s; | |
1131 | ||
1132 | out_delete_desc: | |
1133 | script_desc__delete(s); | |
1134 | ||
1135 | return NULL; | |
1136 | } | |
1137 | ||
965bb6be | 1138 | static const char *ends_with(const char *str, const char *suffix) |
4b9c0c59 TZ |
1139 | { |
1140 | size_t suffix_len = strlen(suffix); | |
965bb6be | 1141 | const char *p = str; |
4b9c0c59 TZ |
1142 | |
1143 | if (strlen(str) > suffix_len) { | |
1144 | p = str + strlen(str) - suffix_len; | |
1145 | if (!strncmp(p, suffix, suffix_len)) | |
1146 | return p; | |
1147 | } | |
1148 | ||
1149 | return NULL; | |
1150 | } | |
1151 | ||
4b9c0c59 TZ |
1152 | static int read_script_info(struct script_desc *desc, const char *filename) |
1153 | { | |
1154 | char line[BUFSIZ], *p; | |
1155 | FILE *fp; | |
1156 | ||
1157 | fp = fopen(filename, "r"); | |
1158 | if (!fp) | |
1159 | return -1; | |
1160 | ||
1161 | while (fgets(line, sizeof(line), fp)) { | |
1162 | p = ltrim(line); | |
1163 | if (strlen(p) == 0) | |
1164 | continue; | |
1165 | if (*p != '#') | |
1166 | continue; | |
1167 | p++; | |
1168 | if (strlen(p) && *p == '!') | |
1169 | continue; | |
1170 | ||
1171 | p = ltrim(p); | |
1172 | if (strlen(p) && p[strlen(p) - 1] == '\n') | |
1173 | p[strlen(p) - 1] = '\0'; | |
1174 | ||
1175 | if (!strncmp(p, "description:", strlen("description:"))) { | |
1176 | p += strlen("description:"); | |
1177 | desc->half_liner = strdup(ltrim(p)); | |
1178 | continue; | |
1179 | } | |
1180 | ||
1181 | if (!strncmp(p, "args:", strlen("args:"))) { | |
1182 | p += strlen("args:"); | |
1183 | desc->args = strdup(ltrim(p)); | |
1184 | continue; | |
1185 | } | |
1186 | } | |
1187 | ||
1188 | fclose(fp); | |
1189 | ||
1190 | return 0; | |
1191 | } | |
1192 | ||
38efb539 RR |
1193 | static char *get_script_root(struct dirent *script_dirent, const char *suffix) |
1194 | { | |
1195 | char *script_root, *str; | |
1196 | ||
1197 | script_root = strdup(script_dirent->d_name); | |
1198 | if (!script_root) | |
1199 | return NULL; | |
1200 | ||
1201 | str = (char *)ends_with(script_root, suffix); | |
1202 | if (!str) { | |
1203 | free(script_root); | |
1204 | return NULL; | |
1205 | } | |
1206 | ||
1207 | *str = '\0'; | |
1208 | return script_root; | |
1209 | } | |
1210 | ||
1d037ca1 IT |
1211 | static int list_available_scripts(const struct option *opt __maybe_unused, |
1212 | const char *s __maybe_unused, | |
1213 | int unset __maybe_unused) | |
4b9c0c59 TZ |
1214 | { |
1215 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
1216 | char scripts_path[MAXPATHLEN]; | |
1217 | DIR *scripts_dir, *lang_dir; | |
1218 | char script_path[MAXPATHLEN]; | |
1219 | char lang_path[MAXPATHLEN]; | |
1220 | struct script_desc *desc; | |
1221 | char first_half[BUFSIZ]; | |
1222 | char *script_root; | |
4b9c0c59 TZ |
1223 | |
1224 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
1225 | ||
1226 | scripts_dir = opendir(scripts_path); | |
1227 | if (!scripts_dir) | |
1228 | return -1; | |
1229 | ||
008f29d3 | 1230 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
4b9c0c59 TZ |
1231 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
1232 | lang_dirent.d_name); | |
1233 | lang_dir = opendir(lang_path); | |
1234 | if (!lang_dir) | |
1235 | continue; | |
1236 | ||
008f29d3 | 1237 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
38efb539 RR |
1238 | script_root = get_script_root(&script_dirent, REPORT_SUFFIX); |
1239 | if (script_root) { | |
4b9c0c59 TZ |
1240 | desc = script_desc__findnew(script_root); |
1241 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
1242 | lang_path, script_dirent.d_name); | |
1243 | read_script_info(desc, script_path); | |
38efb539 | 1244 | free(script_root); |
4b9c0c59 | 1245 | } |
4b9c0c59 TZ |
1246 | } |
1247 | } | |
1248 | ||
1249 | fprintf(stdout, "List of available trace scripts:\n"); | |
1250 | list_for_each_entry(desc, &script_descs, node) { | |
1251 | sprintf(first_half, "%s %s", desc->name, | |
1252 | desc->args ? desc->args : ""); | |
1253 | fprintf(stdout, " %-36s %s\n", first_half, | |
1254 | desc->half_liner ? desc->half_liner : ""); | |
1255 | } | |
1256 | ||
1257 | exit(0); | |
1258 | } | |
1259 | ||
49e639e2 FT |
1260 | /* |
1261 | * Some scripts specify the required events in their "xxx-record" file, | |
1262 | * this function will check if the events in perf.data match those | |
1263 | * mentioned in the "xxx-record". | |
1264 | * | |
1265 | * Fixme: All existing "xxx-record" are all in good formats "-e event ", | |
1266 | * which is covered well now. And new parsing code should be added to | |
1267 | * cover the future complexing formats like event groups etc. | |
1268 | */ | |
1269 | static int check_ev_match(char *dir_name, char *scriptname, | |
1270 | struct perf_session *session) | |
1271 | { | |
1272 | char filename[MAXPATHLEN], evname[128]; | |
1273 | char line[BUFSIZ], *p; | |
1274 | struct perf_evsel *pos; | |
1275 | int match, len; | |
1276 | FILE *fp; | |
1277 | ||
1278 | sprintf(filename, "%s/bin/%s-record", dir_name, scriptname); | |
1279 | ||
1280 | fp = fopen(filename, "r"); | |
1281 | if (!fp) | |
1282 | return -1; | |
1283 | ||
1284 | while (fgets(line, sizeof(line), fp)) { | |
1285 | p = ltrim(line); | |
1286 | if (*p == '#') | |
1287 | continue; | |
1288 | ||
1289 | while (strlen(p)) { | |
1290 | p = strstr(p, "-e"); | |
1291 | if (!p) | |
1292 | break; | |
1293 | ||
1294 | p += 2; | |
1295 | p = ltrim(p); | |
1296 | len = strcspn(p, " \t"); | |
1297 | if (!len) | |
1298 | break; | |
1299 | ||
1300 | snprintf(evname, len + 1, "%s", p); | |
1301 | ||
1302 | match = 0; | |
1303 | list_for_each_entry(pos, | |
1304 | &session->evlist->entries, node) { | |
1305 | if (!strcmp(perf_evsel__name(pos), evname)) { | |
1306 | match = 1; | |
1307 | break; | |
1308 | } | |
1309 | } | |
1310 | ||
1311 | if (!match) { | |
1312 | fclose(fp); | |
1313 | return -1; | |
1314 | } | |
1315 | } | |
1316 | } | |
1317 | ||
1318 | fclose(fp); | |
1319 | return 0; | |
1320 | } | |
1321 | ||
e5f3705e FT |
1322 | /* |
1323 | * Return -1 if none is found, otherwise the actual scripts number. | |
1324 | * | |
1325 | * Currently the only user of this function is the script browser, which | |
1326 | * will list all statically runnable scripts, select one, execute it and | |
1327 | * show the output in a perf browser. | |
1328 | */ | |
1329 | int find_scripts(char **scripts_array, char **scripts_path_array) | |
1330 | { | |
1331 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
49e639e2 | 1332 | char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; |
e5f3705e | 1333 | DIR *scripts_dir, *lang_dir; |
49e639e2 | 1334 | struct perf_session *session; |
f5fc1412 JO |
1335 | struct perf_data_file file = { |
1336 | .path = input_name, | |
1337 | .mode = PERF_DATA_MODE_READ, | |
1338 | }; | |
e5f3705e FT |
1339 | char *temp; |
1340 | int i = 0; | |
1341 | ||
f5fc1412 | 1342 | session = perf_session__new(&file, false, NULL); |
49e639e2 FT |
1343 | if (!session) |
1344 | return -1; | |
1345 | ||
e5f3705e FT |
1346 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); |
1347 | ||
1348 | scripts_dir = opendir(scripts_path); | |
49e639e2 FT |
1349 | if (!scripts_dir) { |
1350 | perf_session__delete(session); | |
e5f3705e | 1351 | return -1; |
49e639e2 | 1352 | } |
e5f3705e FT |
1353 | |
1354 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { | |
1355 | snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, | |
1356 | lang_dirent.d_name); | |
1357 | #ifdef NO_LIBPERL | |
1358 | if (strstr(lang_path, "perl")) | |
1359 | continue; | |
1360 | #endif | |
1361 | #ifdef NO_LIBPYTHON | |
1362 | if (strstr(lang_path, "python")) | |
1363 | continue; | |
1364 | #endif | |
1365 | ||
1366 | lang_dir = opendir(lang_path); | |
1367 | if (!lang_dir) | |
1368 | continue; | |
1369 | ||
1370 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { | |
1371 | /* Skip those real time scripts: xxxtop.p[yl] */ | |
1372 | if (strstr(script_dirent.d_name, "top.")) | |
1373 | continue; | |
1374 | sprintf(scripts_path_array[i], "%s/%s", lang_path, | |
1375 | script_dirent.d_name); | |
1376 | temp = strchr(script_dirent.d_name, '.'); | |
1377 | snprintf(scripts_array[i], | |
1378 | (temp - script_dirent.d_name) + 1, | |
1379 | "%s", script_dirent.d_name); | |
49e639e2 FT |
1380 | |
1381 | if (check_ev_match(lang_path, | |
1382 | scripts_array[i], session)) | |
1383 | continue; | |
1384 | ||
e5f3705e FT |
1385 | i++; |
1386 | } | |
49e639e2 | 1387 | closedir(lang_dir); |
e5f3705e FT |
1388 | } |
1389 | ||
49e639e2 FT |
1390 | closedir(scripts_dir); |
1391 | perf_session__delete(session); | |
e5f3705e FT |
1392 | return i; |
1393 | } | |
1394 | ||
3875294f TZ |
1395 | static char *get_script_path(const char *script_root, const char *suffix) |
1396 | { | |
1397 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
1398 | char scripts_path[MAXPATHLEN]; | |
1399 | char script_path[MAXPATHLEN]; | |
1400 | DIR *scripts_dir, *lang_dir; | |
1401 | char lang_path[MAXPATHLEN]; | |
38efb539 | 1402 | char *__script_root; |
3875294f TZ |
1403 | |
1404 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
1405 | ||
1406 | scripts_dir = opendir(scripts_path); | |
1407 | if (!scripts_dir) | |
1408 | return NULL; | |
1409 | ||
008f29d3 | 1410 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
3875294f TZ |
1411 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
1412 | lang_dirent.d_name); | |
1413 | lang_dir = opendir(lang_path); | |
1414 | if (!lang_dir) | |
1415 | continue; | |
1416 | ||
008f29d3 | 1417 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
38efb539 RR |
1418 | __script_root = get_script_root(&script_dirent, suffix); |
1419 | if (__script_root && !strcmp(script_root, __script_root)) { | |
1420 | free(__script_root); | |
946ef2a2 NK |
1421 | closedir(lang_dir); |
1422 | closedir(scripts_dir); | |
3875294f TZ |
1423 | snprintf(script_path, MAXPATHLEN, "%s/%s", |
1424 | lang_path, script_dirent.d_name); | |
38efb539 | 1425 | return strdup(script_path); |
3875294f TZ |
1426 | } |
1427 | free(__script_root); | |
1428 | } | |
946ef2a2 | 1429 | closedir(lang_dir); |
3875294f | 1430 | } |
946ef2a2 | 1431 | closedir(scripts_dir); |
3875294f | 1432 | |
38efb539 | 1433 | return NULL; |
3875294f TZ |
1434 | } |
1435 | ||
b5b87312 TZ |
1436 | static bool is_top_script(const char *script_path) |
1437 | { | |
965bb6be | 1438 | return ends_with(script_path, "top") == NULL ? false : true; |
b5b87312 TZ |
1439 | } |
1440 | ||
1441 | static int has_required_arg(char *script_path) | |
1442 | { | |
1443 | struct script_desc *desc; | |
1444 | int n_args = 0; | |
1445 | char *p; | |
1446 | ||
1447 | desc = script_desc__new(NULL); | |
1448 | ||
1449 | if (read_script_info(desc, script_path)) | |
1450 | goto out; | |
1451 | ||
1452 | if (!desc->args) | |
1453 | goto out; | |
1454 | ||
1455 | for (p = desc->args; *p; p++) | |
1456 | if (*p == '<') | |
1457 | n_args++; | |
1458 | out: | |
1459 | script_desc__delete(desc); | |
1460 | ||
1461 | return n_args; | |
1462 | } | |
1463 | ||
69b6470e ACM |
1464 | static int have_cmd(int argc, const char **argv) |
1465 | { | |
1466 | char **__argv = malloc(sizeof(const char *) * argc); | |
1467 | ||
1468 | if (!__argv) { | |
1469 | pr_err("malloc failed\n"); | |
1470 | return -1; | |
1471 | } | |
1472 | ||
1473 | memcpy(__argv, argv, sizeof(const char *) * argc); | |
1474 | argc = parse_options(argc, (const char **)__argv, record_options, | |
1475 | NULL, PARSE_OPT_STOP_AT_NON_OPTION); | |
1476 | free(__argv); | |
5f9c39dc | 1477 | |
69b6470e ACM |
1478 | system_wide = (argc == 0); |
1479 | ||
1480 | return 0; | |
1481 | } | |
1482 | ||
1483 | int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) | |
1484 | { | |
1485 | bool show_full_info = false; | |
69b6470e ACM |
1486 | char *rec_script_path = NULL; |
1487 | char *rep_script_path = NULL; | |
1488 | struct perf_session *session; | |
1489 | char *script_path = NULL; | |
1490 | const char **__argv; | |
1491 | int i, j, err; | |
6f3e5eda AH |
1492 | struct perf_script script = { |
1493 | .tool = { | |
1494 | .sample = process_sample_event, | |
1495 | .mmap = perf_event__process_mmap, | |
1496 | .mmap2 = perf_event__process_mmap2, | |
1497 | .comm = perf_event__process_comm, | |
1498 | .exit = perf_event__process_exit, | |
1499 | .fork = perf_event__process_fork, | |
7ea95727 | 1500 | .attr = process_attr, |
6f3e5eda AH |
1501 | .tracing_data = perf_event__process_tracing_data, |
1502 | .build_id = perf_event__process_build_id, | |
1503 | .ordered_samples = true, | |
1504 | .ordering_requires_timestamps = true, | |
1505 | }, | |
1506 | }; | |
69b6470e | 1507 | const struct option options[] = { |
5f9c39dc FW |
1508 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
1509 | "dump raw trace in ASCII"), | |
c0555642 | 1510 | OPT_INCR('v', "verbose", &verbose, |
69b6470e | 1511 | "be more verbose (show symbol address, etc)"), |
4b9c0c59 | 1512 | OPT_BOOLEAN('L', "Latency", &latency_format, |
cda48461 | 1513 | "show latency attributes (irqs/preemption disabled, etc)"), |
4b9c0c59 TZ |
1514 | OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", |
1515 | list_available_scripts), | |
956ffd02 TZ |
1516 | OPT_CALLBACK('s', "script", NULL, "name", |
1517 | "script file name (lang:script name, script name, or *)", | |
1518 | parse_scriptname), | |
1519 | OPT_STRING('g', "gen-script", &generate_script_lang, "lang", | |
133dc4c3 | 1520 | "generate perf-script.xx script in specified language"), |
69b6470e | 1521 | OPT_STRING('i', "input", &input_name, "file", "input file name"), |
ffabd99e FW |
1522 | OPT_BOOLEAN('d', "debug-mode", &debug_mode, |
1523 | "do various checks like samples ordering and lost events"), | |
c0230b2b DA |
1524 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
1525 | "file", "vmlinux pathname"), | |
1526 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, | |
1527 | "file", "kallsyms pathname"), | |
1528 | OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, | |
1529 | "When printing symbols do not display call chain"), | |
1530 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", | |
1531 | "Look for files with symbols relative to this directory"), | |
745f43e3 | 1532 | OPT_CALLBACK('f', "fields", NULL, "str", |
a978f2ab AN |
1533 | "comma separated output fields prepend with 'type:'. " |
1534 | "Valid types: hw,sw,trace,raw. " | |
1535 | "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," | |
69b6470e | 1536 | "addr,symoff", parse_output_fields), |
317df650 | 1537 | OPT_BOOLEAN('a', "all-cpus", &system_wide, |
69b6470e | 1538 | "system-wide collection from all CPUs"), |
36385be5 FT |
1539 | OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
1540 | "only consider these symbols"), | |
c8e66720 | 1541 | OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), |
e7984b7b DA |
1542 | OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
1543 | "only display events for these comms"), | |
fbe96f29 SE |
1544 | OPT_BOOLEAN('I', "show-info", &show_full_info, |
1545 | "display extended information from perf.data file"), | |
0bc8d205 AN |
1546 | OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, |
1547 | "Show the path of [kernel.kallsyms]"), | |
ad7ebb9a NK |
1548 | OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, |
1549 | "Show the fork/comm/exit events"), | |
ba1ddf42 NK |
1550 | OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, |
1551 | "Show the mmap events"), | |
1909629f | 1552 | OPT_END() |
69b6470e ACM |
1553 | }; |
1554 | const char * const script_usage[] = { | |
1555 | "perf script [<options>]", | |
1556 | "perf script [<options>] record <script> [<record-options>] <command>", | |
1557 | "perf script [<options>] report <script> [script-args]", | |
1558 | "perf script [<options>] <script> [<record-options>] <command>", | |
1559 | "perf script [<options>] <top-script> [script-args]", | |
1560 | NULL | |
1561 | }; | |
f5fc1412 JO |
1562 | struct perf_data_file file = { |
1563 | .mode = PERF_DATA_MODE_READ, | |
1564 | }; | |
3875294f | 1565 | |
b5b87312 TZ |
1566 | setup_scripting(); |
1567 | ||
133dc4c3 | 1568 | argc = parse_options(argc, argv, options, script_usage, |
b5b87312 TZ |
1569 | PARSE_OPT_STOP_AT_NON_OPTION); |
1570 | ||
f5fc1412 JO |
1571 | file.path = input_name; |
1572 | ||
b5b87312 TZ |
1573 | if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { |
1574 | rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); | |
1575 | if (!rec_script_path) | |
1576 | return cmd_record(argc, argv, NULL); | |
3875294f TZ |
1577 | } |
1578 | ||
b5b87312 TZ |
1579 | if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { |
1580 | rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); | |
1581 | if (!rep_script_path) { | |
3875294f | 1582 | fprintf(stderr, |
b5b87312 | 1583 | "Please specify a valid report script" |
133dc4c3 | 1584 | "(see 'perf script -l' for listing)\n"); |
3875294f TZ |
1585 | return -1; |
1586 | } | |
3875294f TZ |
1587 | } |
1588 | ||
44e668c6 BH |
1589 | /* make sure PERF_EXEC_PATH is set for scripts */ |
1590 | perf_set_argv_exec_path(perf_exec_path()); | |
1591 | ||
b5b87312 | 1592 | if (argc && !script_name && !rec_script_path && !rep_script_path) { |
a0cccc2e | 1593 | int live_pipe[2]; |
b5b87312 | 1594 | int rep_args; |
a0cccc2e TZ |
1595 | pid_t pid; |
1596 | ||
b5b87312 TZ |
1597 | rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); |
1598 | rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); | |
1599 | ||
1600 | if (!rec_script_path && !rep_script_path) { | |
1601 | fprintf(stderr, " Couldn't find script %s\n\n See perf" | |
133dc4c3 IM |
1602 | " script -l for available scripts.\n", argv[0]); |
1603 | usage_with_options(script_usage, options); | |
a0cccc2e TZ |
1604 | } |
1605 | ||
b5b87312 TZ |
1606 | if (is_top_script(argv[0])) { |
1607 | rep_args = argc - 1; | |
1608 | } else { | |
1609 | int rec_args; | |
1610 | ||
1611 | rep_args = has_required_arg(rep_script_path); | |
1612 | rec_args = (argc - 1) - rep_args; | |
1613 | if (rec_args < 0) { | |
1614 | fprintf(stderr, " %s script requires options." | |
133dc4c3 | 1615 | "\n\n See perf script -l for available " |
b5b87312 | 1616 | "scripts and options.\n", argv[0]); |
133dc4c3 | 1617 | usage_with_options(script_usage, options); |
b5b87312 | 1618 | } |
a0cccc2e TZ |
1619 | } |
1620 | ||
1621 | if (pipe(live_pipe) < 0) { | |
1622 | perror("failed to create pipe"); | |
d54b1a9e | 1623 | return -1; |
a0cccc2e TZ |
1624 | } |
1625 | ||
1626 | pid = fork(); | |
1627 | if (pid < 0) { | |
1628 | perror("failed to fork"); | |
d54b1a9e | 1629 | return -1; |
a0cccc2e TZ |
1630 | } |
1631 | ||
1632 | if (!pid) { | |
b5b87312 TZ |
1633 | j = 0; |
1634 | ||
a0cccc2e TZ |
1635 | dup2(live_pipe[1], 1); |
1636 | close(live_pipe[0]); | |
1637 | ||
317df650 RR |
1638 | if (is_top_script(argv[0])) { |
1639 | system_wide = true; | |
1640 | } else if (!system_wide) { | |
d54b1a9e DA |
1641 | if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { |
1642 | err = -1; | |
1643 | goto out; | |
1644 | } | |
317df650 | 1645 | } |
b5b87312 TZ |
1646 | |
1647 | __argv = malloc((argc + 6) * sizeof(const char *)); | |
d54b1a9e DA |
1648 | if (!__argv) { |
1649 | pr_err("malloc failed\n"); | |
1650 | err = -ENOMEM; | |
1651 | goto out; | |
1652 | } | |
e8719adf | 1653 | |
b5b87312 TZ |
1654 | __argv[j++] = "/bin/sh"; |
1655 | __argv[j++] = rec_script_path; | |
1656 | if (system_wide) | |
1657 | __argv[j++] = "-a"; | |
1658 | __argv[j++] = "-q"; | |
1659 | __argv[j++] = "-o"; | |
1660 | __argv[j++] = "-"; | |
1661 | for (i = rep_args + 1; i < argc; i++) | |
1662 | __argv[j++] = argv[i]; | |
1663 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1664 | |
1665 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1666 | free(__argv); |
a0cccc2e TZ |
1667 | exit(-1); |
1668 | } | |
1669 | ||
1670 | dup2(live_pipe[0], 0); | |
1671 | close(live_pipe[1]); | |
1672 | ||
b5b87312 | 1673 | __argv = malloc((argc + 4) * sizeof(const char *)); |
d54b1a9e DA |
1674 | if (!__argv) { |
1675 | pr_err("malloc failed\n"); | |
1676 | err = -ENOMEM; | |
1677 | goto out; | |
1678 | } | |
1679 | ||
b5b87312 TZ |
1680 | j = 0; |
1681 | __argv[j++] = "/bin/sh"; | |
1682 | __argv[j++] = rep_script_path; | |
1683 | for (i = 1; i < rep_args + 1; i++) | |
1684 | __argv[j++] = argv[i]; | |
1685 | __argv[j++] = "-i"; | |
1686 | __argv[j++] = "-"; | |
1687 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1688 | |
1689 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1690 | free(__argv); |
a0cccc2e TZ |
1691 | exit(-1); |
1692 | } | |
1693 | ||
b5b87312 TZ |
1694 | if (rec_script_path) |
1695 | script_path = rec_script_path; | |
1696 | if (rep_script_path) | |
1697 | script_path = rep_script_path; | |
34c86ea9 | 1698 | |
b5b87312 | 1699 | if (script_path) { |
b5b87312 | 1700 | j = 0; |
3875294f | 1701 | |
317df650 RR |
1702 | if (!rec_script_path) |
1703 | system_wide = false; | |
d54b1a9e DA |
1704 | else if (!system_wide) { |
1705 | if (have_cmd(argc - 1, &argv[1]) != 0) { | |
1706 | err = -1; | |
1707 | goto out; | |
1708 | } | |
1709 | } | |
34c86ea9 | 1710 | |
b5b87312 | 1711 | __argv = malloc((argc + 2) * sizeof(const char *)); |
d54b1a9e DA |
1712 | if (!__argv) { |
1713 | pr_err("malloc failed\n"); | |
1714 | err = -ENOMEM; | |
1715 | goto out; | |
1716 | } | |
1717 | ||
34c86ea9 TZ |
1718 | __argv[j++] = "/bin/sh"; |
1719 | __argv[j++] = script_path; | |
1720 | if (system_wide) | |
1721 | __argv[j++] = "-a"; | |
b5b87312 | 1722 | for (i = 2; i < argc; i++) |
34c86ea9 TZ |
1723 | __argv[j++] = argv[i]; |
1724 | __argv[j++] = NULL; | |
3875294f TZ |
1725 | |
1726 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1727 | free(__argv); |
3875294f TZ |
1728 | exit(-1); |
1729 | } | |
956ffd02 | 1730 | |
655000e7 ACM |
1731 | if (symbol__init() < 0) |
1732 | return -1; | |
cf4fee50 TZ |
1733 | if (!script_name) |
1734 | setup_pager(); | |
5f9c39dc | 1735 | |
6f3e5eda | 1736 | session = perf_session__new(&file, false, &script.tool); |
d8f66248 ACM |
1737 | if (session == NULL) |
1738 | return -ENOMEM; | |
1739 | ||
6f3e5eda AH |
1740 | script.session = session; |
1741 | ||
5d67be97 AB |
1742 | if (cpu_list) { |
1743 | if (perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap)) | |
1744 | return -1; | |
1745 | } | |
1746 | ||
bdb71db2 TZ |
1747 | if (!script_name && !generate_script_lang) |
1748 | perf_session__fprintf_info(session, stdout, show_full_info); | |
fbe96f29 | 1749 | |
1424dc96 | 1750 | if (!no_callchain) |
c0230b2b DA |
1751 | symbol_conf.use_callchain = true; |
1752 | else | |
1753 | symbol_conf.use_callchain = false; | |
1754 | ||
956ffd02 TZ |
1755 | if (generate_script_lang) { |
1756 | struct stat perf_stat; | |
745f43e3 DA |
1757 | int input; |
1758 | ||
2c9e45f7 | 1759 | if (output_set_by_user()) { |
745f43e3 DA |
1760 | fprintf(stderr, |
1761 | "custom fields not supported for generated scripts"); | |
1762 | return -1; | |
1763 | } | |
956ffd02 | 1764 | |
cc9784bd | 1765 | input = open(file.path, O_RDONLY); /* input_name */ |
956ffd02 TZ |
1766 | if (input < 0) { |
1767 | perror("failed to open file"); | |
d54b1a9e | 1768 | return -1; |
956ffd02 TZ |
1769 | } |
1770 | ||
1771 | err = fstat(input, &perf_stat); | |
1772 | if (err < 0) { | |
1773 | perror("failed to stat file"); | |
d54b1a9e | 1774 | return -1; |
956ffd02 TZ |
1775 | } |
1776 | ||
1777 | if (!perf_stat.st_size) { | |
1778 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
d54b1a9e | 1779 | return 0; |
956ffd02 TZ |
1780 | } |
1781 | ||
1782 | scripting_ops = script_spec__lookup(generate_script_lang); | |
1783 | if (!scripting_ops) { | |
1784 | fprintf(stderr, "invalid language specifier"); | |
1785 | return -1; | |
1786 | } | |
1787 | ||
da378962 ACM |
1788 | err = scripting_ops->generate_script(session->pevent, |
1789 | "perf-script"); | |
956ffd02 TZ |
1790 | goto out; |
1791 | } | |
1792 | ||
1793 | if (script_name) { | |
586bc5cc | 1794 | err = scripting_ops->start_script(script_name, argc, argv); |
956ffd02 TZ |
1795 | if (err) |
1796 | goto out; | |
133dc4c3 | 1797 | pr_debug("perf script started with script %s\n\n", script_name); |
956ffd02 TZ |
1798 | } |
1799 | ||
9cbdb702 DA |
1800 | |
1801 | err = perf_session__check_output_opt(session); | |
1802 | if (err < 0) | |
1803 | goto out; | |
1804 | ||
6f3e5eda | 1805 | err = __cmd_script(&script); |
956ffd02 | 1806 | |
d8f66248 | 1807 | perf_session__delete(session); |
956ffd02 TZ |
1808 | cleanup_scripting(); |
1809 | out: | |
1810 | return err; | |
5f9c39dc | 1811 | } |