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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, | |
a2cb3cf2 AH |
417 | struct thread *thread, |
418 | struct addr_location *al) | |
95582596 AN |
419 | { |
420 | struct perf_event_attr *attr = &evsel->attr; | |
421 | ||
422 | /* print branch_from information */ | |
423 | if (PRINT_FIELD(IP)) { | |
424 | if (!symbol_conf.use_callchain) | |
425 | printf(" "); | |
426 | else | |
427 | printf("\n"); | |
a2cb3cf2 | 428 | perf_evsel__print_ip(evsel, sample, machine, al, |
307cbb92 DA |
429 | output[attr->type].print_ip_opts, |
430 | PERF_MAX_STACK_DEPTH); | |
95582596 AN |
431 | } |
432 | ||
433 | printf(" => "); | |
434 | ||
435 | /* print branch_to information */ | |
243be3dd AH |
436 | if (PRINT_FIELD(ADDR) || |
437 | ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) && | |
438 | !output[attr->type].user_set)) | |
95582596 AN |
439 | print_sample_addr(event, sample, machine, thread, attr); |
440 | ||
441 | printf("\n"); | |
442 | } | |
443 | ||
97822433 ACM |
444 | static void process_event(union perf_event *event, struct perf_sample *sample, |
445 | struct perf_evsel *evsel, struct machine *machine, | |
2eaa1b40 | 446 | struct thread *thread, |
a2cb3cf2 | 447 | struct addr_location *al) |
be6d842a | 448 | { |
9e69c210 | 449 | struct perf_event_attr *attr = &evsel->attr; |
1424dc96 | 450 | |
2c9e45f7 | 451 | if (output[attr->type].fields == 0) |
1424dc96 DA |
452 | return; |
453 | ||
fcf65bf1 | 454 | print_sample_start(sample, thread, evsel); |
745f43e3 | 455 | |
e944d3d7 NK |
456 | if (PRINT_FIELD(EVNAME)) { |
457 | const char *evname = perf_evsel__name(evsel); | |
458 | printf("%s: ", evname ? evname : "[unknown]"); | |
459 | } | |
460 | ||
95582596 | 461 | if (is_bts_event(attr)) { |
a2cb3cf2 | 462 | print_sample_bts(event, sample, evsel, machine, thread, al); |
95582596 AN |
463 | return; |
464 | } | |
465 | ||
745f43e3 | 466 | if (PRINT_FIELD(TRACE)) |
fcf65bf1 ACM |
467 | event_format__print(evsel->tp_format, sample->cpu, |
468 | sample->raw_data, sample->raw_size); | |
7cec0922 | 469 | if (PRINT_FIELD(ADDR)) |
743eb868 | 470 | print_sample_addr(event, sample, machine, thread, attr); |
7cec0922 | 471 | |
787bef17 | 472 | if (PRINT_FIELD(IP)) { |
c0230b2b DA |
473 | if (!symbol_conf.use_callchain) |
474 | printf(" "); | |
475 | else | |
476 | printf("\n"); | |
a6ffaf91 | 477 | |
a2cb3cf2 | 478 | perf_evsel__print_ip(evsel, sample, machine, al, |
307cbb92 DA |
479 | output[attr->type].print_ip_opts, |
480 | PERF_MAX_STACK_DEPTH); | |
c0230b2b DA |
481 | } |
482 | ||
c70c94b4 | 483 | printf("\n"); |
be6d842a DA |
484 | } |
485 | ||
1d037ca1 IT |
486 | static int default_start_script(const char *script __maybe_unused, |
487 | int argc __maybe_unused, | |
488 | const char **argv __maybe_unused) | |
956ffd02 TZ |
489 | { |
490 | return 0; | |
491 | } | |
492 | ||
493 | static int default_stop_script(void) | |
494 | { | |
495 | return 0; | |
496 | } | |
497 | ||
1d037ca1 IT |
498 | static int default_generate_script(struct pevent *pevent __maybe_unused, |
499 | const char *outfile __maybe_unused) | |
956ffd02 TZ |
500 | { |
501 | return 0; | |
502 | } | |
503 | ||
504 | static struct scripting_ops default_scripting_ops = { | |
505 | .start_script = default_start_script, | |
506 | .stop_script = default_stop_script, | |
be6d842a | 507 | .process_event = process_event, |
956ffd02 TZ |
508 | .generate_script = default_generate_script, |
509 | }; | |
510 | ||
511 | static struct scripting_ops *scripting_ops; | |
512 | ||
513 | static void setup_scripting(void) | |
514 | { | |
16c632de | 515 | setup_perl_scripting(); |
7e4b21b8 | 516 | setup_python_scripting(); |
16c632de | 517 | |
956ffd02 TZ |
518 | scripting_ops = &default_scripting_ops; |
519 | } | |
520 | ||
521 | static int cleanup_scripting(void) | |
522 | { | |
133dc4c3 | 523 | pr_debug("\nperf script stopped\n"); |
3824a4e8 | 524 | |
956ffd02 TZ |
525 | return scripting_ops->stop_script(); |
526 | } | |
527 | ||
1d037ca1 | 528 | static int process_sample_event(struct perf_tool *tool __maybe_unused, |
d20deb64 | 529 | union perf_event *event, |
8115d60c | 530 | struct perf_sample *sample, |
9e69c210 | 531 | struct perf_evsel *evsel, |
743eb868 | 532 | struct machine *machine) |
5f9c39dc | 533 | { |
e7984b7b | 534 | struct addr_location al; |
ef89325f AH |
535 | struct thread *thread = machine__findnew_thread(machine, sample->pid, |
536 | sample->tid); | |
6ddf259d | 537 | |
5f9c39dc | 538 | if (thread == NULL) { |
6beba7ad ACM |
539 | pr_debug("problem processing %d event, skipping it.\n", |
540 | event->header.type); | |
5f9c39dc FW |
541 | return -1; |
542 | } | |
543 | ||
1424dc96 DA |
544 | if (debug_mode) { |
545 | if (sample->time < last_timestamp) { | |
546 | pr_err("Samples misordered, previous: %" PRIu64 | |
547 | " this: %" PRIu64 "\n", last_timestamp, | |
548 | sample->time); | |
549 | nr_unordered++; | |
e1889d75 | 550 | } |
1424dc96 DA |
551 | last_timestamp = sample->time; |
552 | return 0; | |
5f9c39dc | 553 | } |
5d67be97 | 554 | |
e44baa3e | 555 | if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { |
e7984b7b DA |
556 | pr_err("problem processing %d event, skipping it.\n", |
557 | event->header.type); | |
558 | return -1; | |
559 | } | |
560 | ||
561 | if (al.filtered) | |
562 | return 0; | |
563 | ||
5d67be97 AB |
564 | if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) |
565 | return 0; | |
566 | ||
2eaa1b40 | 567 | scripting_ops->process_event(event, sample, evsel, machine, thread, &al); |
5f9c39dc | 568 | |
743eb868 | 569 | evsel->hists.stats.total_period += sample->period; |
5f9c39dc FW |
570 | return 0; |
571 | } | |
572 | ||
6f3e5eda AH |
573 | struct perf_script { |
574 | struct perf_tool tool; | |
575 | struct perf_session *session; | |
ad7ebb9a | 576 | bool show_task_events; |
ba1ddf42 | 577 | bool show_mmap_events; |
016e92fb FW |
578 | }; |
579 | ||
7ea95727 AH |
580 | static int process_attr(struct perf_tool *tool, union perf_event *event, |
581 | struct perf_evlist **pevlist) | |
582 | { | |
583 | struct perf_script *scr = container_of(tool, struct perf_script, tool); | |
584 | struct perf_evlist *evlist; | |
585 | struct perf_evsel *evsel, *pos; | |
586 | int err; | |
587 | ||
588 | err = perf_event__process_attr(tool, event, pevlist); | |
589 | if (err) | |
590 | return err; | |
591 | ||
592 | evlist = *pevlist; | |
593 | evsel = perf_evlist__last(*pevlist); | |
594 | ||
595 | if (evsel->attr.type >= PERF_TYPE_MAX) | |
596 | return 0; | |
597 | ||
598 | list_for_each_entry(pos, &evlist->entries, node) { | |
599 | if (pos->attr.type == evsel->attr.type && pos != evsel) | |
600 | return 0; | |
601 | } | |
602 | ||
603 | set_print_ip_opts(&evsel->attr); | |
604 | ||
605 | return perf_evsel__check_attr(evsel, scr->session); | |
606 | } | |
607 | ||
ad7ebb9a NK |
608 | static int process_comm_event(struct perf_tool *tool, |
609 | union perf_event *event, | |
610 | struct perf_sample *sample, | |
611 | struct machine *machine) | |
612 | { | |
613 | struct thread *thread; | |
614 | struct perf_script *script = container_of(tool, struct perf_script, tool); | |
615 | struct perf_session *session = script->session; | |
616 | struct perf_evsel *evsel = perf_evlist__first(session->evlist); | |
617 | int ret = -1; | |
618 | ||
619 | thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid); | |
620 | if (thread == NULL) { | |
621 | pr_debug("problem processing COMM event, skipping it.\n"); | |
622 | return -1; | |
623 | } | |
624 | ||
625 | if (perf_event__process_comm(tool, event, sample, machine) < 0) | |
626 | goto out; | |
627 | ||
628 | if (!evsel->attr.sample_id_all) { | |
629 | sample->cpu = 0; | |
630 | sample->time = 0; | |
631 | sample->tid = event->comm.tid; | |
632 | sample->pid = event->comm.pid; | |
633 | } | |
634 | print_sample_start(sample, thread, evsel); | |
635 | perf_event__fprintf(event, stdout); | |
636 | ret = 0; | |
637 | ||
638 | out: | |
639 | return ret; | |
640 | } | |
641 | ||
642 | static int process_fork_event(struct perf_tool *tool, | |
643 | union perf_event *event, | |
644 | struct perf_sample *sample, | |
645 | struct machine *machine) | |
646 | { | |
647 | struct thread *thread; | |
648 | struct perf_script *script = container_of(tool, struct perf_script, tool); | |
649 | struct perf_session *session = script->session; | |
650 | struct perf_evsel *evsel = perf_evlist__first(session->evlist); | |
651 | ||
652 | if (perf_event__process_fork(tool, event, sample, machine) < 0) | |
653 | return -1; | |
654 | ||
655 | thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); | |
656 | if (thread == NULL) { | |
657 | pr_debug("problem processing FORK event, skipping it.\n"); | |
658 | return -1; | |
659 | } | |
660 | ||
661 | if (!evsel->attr.sample_id_all) { | |
662 | sample->cpu = 0; | |
663 | sample->time = event->fork.time; | |
664 | sample->tid = event->fork.tid; | |
665 | sample->pid = event->fork.pid; | |
666 | } | |
667 | print_sample_start(sample, thread, evsel); | |
668 | perf_event__fprintf(event, stdout); | |
669 | ||
670 | return 0; | |
671 | } | |
672 | static int process_exit_event(struct perf_tool *tool, | |
673 | union perf_event *event, | |
674 | struct perf_sample *sample, | |
675 | struct machine *machine) | |
676 | { | |
677 | struct thread *thread; | |
678 | struct perf_script *script = container_of(tool, struct perf_script, tool); | |
679 | struct perf_session *session = script->session; | |
680 | struct perf_evsel *evsel = perf_evlist__first(session->evlist); | |
681 | ||
682 | thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); | |
683 | if (thread == NULL) { | |
684 | pr_debug("problem processing EXIT event, skipping it.\n"); | |
685 | return -1; | |
686 | } | |
687 | ||
688 | if (!evsel->attr.sample_id_all) { | |
689 | sample->cpu = 0; | |
690 | sample->time = 0; | |
691 | sample->tid = event->comm.tid; | |
692 | sample->pid = event->comm.pid; | |
693 | } | |
694 | print_sample_start(sample, thread, evsel); | |
695 | perf_event__fprintf(event, stdout); | |
696 | ||
697 | if (perf_event__process_exit(tool, event, sample, machine) < 0) | |
698 | return -1; | |
699 | ||
700 | return 0; | |
701 | } | |
702 | ||
ba1ddf42 NK |
703 | static int process_mmap_event(struct perf_tool *tool, |
704 | union perf_event *event, | |
705 | struct perf_sample *sample, | |
706 | struct machine *machine) | |
707 | { | |
708 | struct thread *thread; | |
709 | struct perf_script *script = container_of(tool, struct perf_script, tool); | |
710 | struct perf_session *session = script->session; | |
711 | struct perf_evsel *evsel = perf_evlist__first(session->evlist); | |
712 | ||
713 | if (perf_event__process_mmap(tool, event, sample, machine) < 0) | |
714 | return -1; | |
715 | ||
716 | thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid); | |
717 | if (thread == NULL) { | |
718 | pr_debug("problem processing MMAP event, skipping it.\n"); | |
719 | return -1; | |
720 | } | |
721 | ||
722 | if (!evsel->attr.sample_id_all) { | |
723 | sample->cpu = 0; | |
724 | sample->time = 0; | |
725 | sample->tid = event->mmap.tid; | |
726 | sample->pid = event->mmap.pid; | |
727 | } | |
728 | print_sample_start(sample, thread, evsel); | |
729 | perf_event__fprintf(event, stdout); | |
730 | ||
731 | return 0; | |
732 | } | |
733 | ||
734 | static int process_mmap2_event(struct perf_tool *tool, | |
735 | union perf_event *event, | |
736 | struct perf_sample *sample, | |
737 | struct machine *machine) | |
738 | { | |
739 | struct thread *thread; | |
740 | struct perf_script *script = container_of(tool, struct perf_script, tool); | |
741 | struct perf_session *session = script->session; | |
742 | struct perf_evsel *evsel = perf_evlist__first(session->evlist); | |
743 | ||
744 | if (perf_event__process_mmap2(tool, event, sample, machine) < 0) | |
745 | return -1; | |
746 | ||
747 | thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid); | |
748 | if (thread == NULL) { | |
749 | pr_debug("problem processing MMAP2 event, skipping it.\n"); | |
750 | return -1; | |
751 | } | |
752 | ||
753 | if (!evsel->attr.sample_id_all) { | |
754 | sample->cpu = 0; | |
755 | sample->time = 0; | |
756 | sample->tid = event->mmap2.tid; | |
757 | sample->pid = event->mmap2.pid; | |
758 | } | |
759 | print_sample_start(sample, thread, evsel); | |
760 | perf_event__fprintf(event, stdout); | |
761 | ||
762 | return 0; | |
763 | } | |
764 | ||
1d037ca1 | 765 | static void sig_handler(int sig __maybe_unused) |
c239da3b TZ |
766 | { |
767 | session_done = 1; | |
768 | } | |
769 | ||
6f3e5eda | 770 | static int __cmd_script(struct perf_script *script) |
5f9c39dc | 771 | { |
6fcf7ddb FW |
772 | int ret; |
773 | ||
c239da3b TZ |
774 | signal(SIGINT, sig_handler); |
775 | ||
ad7ebb9a NK |
776 | /* override event processing functions */ |
777 | if (script->show_task_events) { | |
778 | script->tool.comm = process_comm_event; | |
779 | script->tool.fork = process_fork_event; | |
780 | script->tool.exit = process_exit_event; | |
781 | } | |
ba1ddf42 NK |
782 | if (script->show_mmap_events) { |
783 | script->tool.mmap = process_mmap_event; | |
784 | script->tool.mmap2 = process_mmap2_event; | |
785 | } | |
ad7ebb9a | 786 | |
6f3e5eda | 787 | ret = perf_session__process_events(script->session, &script->tool); |
6fcf7ddb | 788 | |
6d8afb56 | 789 | if (debug_mode) |
9486aa38 | 790 | pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); |
6fcf7ddb FW |
791 | |
792 | return ret; | |
5f9c39dc FW |
793 | } |
794 | ||
956ffd02 TZ |
795 | struct script_spec { |
796 | struct list_head node; | |
797 | struct scripting_ops *ops; | |
798 | char spec[0]; | |
799 | }; | |
800 | ||
eccdfe2d | 801 | static LIST_HEAD(script_specs); |
956ffd02 TZ |
802 | |
803 | static struct script_spec *script_spec__new(const char *spec, | |
804 | struct scripting_ops *ops) | |
805 | { | |
806 | struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); | |
807 | ||
808 | if (s != NULL) { | |
809 | strcpy(s->spec, spec); | |
810 | s->ops = ops; | |
811 | } | |
812 | ||
813 | return s; | |
814 | } | |
815 | ||
956ffd02 TZ |
816 | static void script_spec__add(struct script_spec *s) |
817 | { | |
818 | list_add_tail(&s->node, &script_specs); | |
819 | } | |
820 | ||
821 | static struct script_spec *script_spec__find(const char *spec) | |
822 | { | |
823 | struct script_spec *s; | |
824 | ||
825 | list_for_each_entry(s, &script_specs, node) | |
826 | if (strcasecmp(s->spec, spec) == 0) | |
827 | return s; | |
828 | return NULL; | |
829 | } | |
830 | ||
831 | static struct script_spec *script_spec__findnew(const char *spec, | |
832 | struct scripting_ops *ops) | |
833 | { | |
834 | struct script_spec *s = script_spec__find(spec); | |
835 | ||
836 | if (s) | |
837 | return s; | |
838 | ||
839 | s = script_spec__new(spec, ops); | |
840 | if (!s) | |
466e2876 | 841 | return NULL; |
956ffd02 TZ |
842 | |
843 | script_spec__add(s); | |
844 | ||
845 | return s; | |
956ffd02 TZ |
846 | } |
847 | ||
848 | int script_spec_register(const char *spec, struct scripting_ops *ops) | |
849 | { | |
850 | struct script_spec *s; | |
851 | ||
852 | s = script_spec__find(spec); | |
853 | if (s) | |
854 | return -1; | |
855 | ||
856 | s = script_spec__findnew(spec, ops); | |
857 | if (!s) | |
858 | return -1; | |
859 | ||
860 | return 0; | |
861 | } | |
862 | ||
863 | static struct scripting_ops *script_spec__lookup(const char *spec) | |
864 | { | |
865 | struct script_spec *s = script_spec__find(spec); | |
866 | if (!s) | |
867 | return NULL; | |
868 | ||
869 | return s->ops; | |
870 | } | |
871 | ||
872 | static void list_available_languages(void) | |
873 | { | |
874 | struct script_spec *s; | |
875 | ||
876 | fprintf(stderr, "\n"); | |
877 | fprintf(stderr, "Scripting language extensions (used in " | |
133dc4c3 | 878 | "perf script -s [spec:]script.[spec]):\n\n"); |
956ffd02 TZ |
879 | |
880 | list_for_each_entry(s, &script_specs, node) | |
881 | fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); | |
882 | ||
883 | fprintf(stderr, "\n"); | |
884 | } | |
885 | ||
1d037ca1 IT |
886 | static int parse_scriptname(const struct option *opt __maybe_unused, |
887 | const char *str, int unset __maybe_unused) | |
956ffd02 TZ |
888 | { |
889 | char spec[PATH_MAX]; | |
890 | const char *script, *ext; | |
891 | int len; | |
892 | ||
f526d68b | 893 | if (strcmp(str, "lang") == 0) { |
956ffd02 | 894 | list_available_languages(); |
f526d68b | 895 | exit(0); |
956ffd02 TZ |
896 | } |
897 | ||
898 | script = strchr(str, ':'); | |
899 | if (script) { | |
900 | len = script - str; | |
901 | if (len >= PATH_MAX) { | |
902 | fprintf(stderr, "invalid language specifier"); | |
903 | return -1; | |
904 | } | |
905 | strncpy(spec, str, len); | |
906 | spec[len] = '\0'; | |
907 | scripting_ops = script_spec__lookup(spec); | |
908 | if (!scripting_ops) { | |
909 | fprintf(stderr, "invalid language specifier"); | |
910 | return -1; | |
911 | } | |
912 | script++; | |
913 | } else { | |
914 | script = str; | |
d1e95bb5 | 915 | ext = strrchr(script, '.'); |
956ffd02 TZ |
916 | if (!ext) { |
917 | fprintf(stderr, "invalid script extension"); | |
918 | return -1; | |
919 | } | |
920 | scripting_ops = script_spec__lookup(++ext); | |
921 | if (!scripting_ops) { | |
922 | fprintf(stderr, "invalid script extension"); | |
923 | return -1; | |
924 | } | |
925 | } | |
926 | ||
927 | script_name = strdup(script); | |
928 | ||
929 | return 0; | |
930 | } | |
931 | ||
1d037ca1 IT |
932 | static int parse_output_fields(const struct option *opt __maybe_unused, |
933 | const char *arg, int unset __maybe_unused) | |
745f43e3 DA |
934 | { |
935 | char *tok; | |
50ca19ae | 936 | int i, imax = ARRAY_SIZE(all_output_options); |
2c9e45f7 | 937 | int j; |
745f43e3 DA |
938 | int rc = 0; |
939 | char *str = strdup(arg); | |
1424dc96 | 940 | int type = -1; |
745f43e3 DA |
941 | |
942 | if (!str) | |
943 | return -ENOMEM; | |
944 | ||
2c9e45f7 DA |
945 | /* first word can state for which event type the user is specifying |
946 | * the fields. If no type exists, the specified fields apply to all | |
947 | * event types found in the file minus the invalid fields for a type. | |
1424dc96 | 948 | */ |
2c9e45f7 DA |
949 | tok = strchr(str, ':'); |
950 | if (tok) { | |
951 | *tok = '\0'; | |
952 | tok++; | |
953 | if (!strcmp(str, "hw")) | |
954 | type = PERF_TYPE_HARDWARE; | |
955 | else if (!strcmp(str, "sw")) | |
956 | type = PERF_TYPE_SOFTWARE; | |
957 | else if (!strcmp(str, "trace")) | |
958 | type = PERF_TYPE_TRACEPOINT; | |
0817a6a3 AS |
959 | else if (!strcmp(str, "raw")) |
960 | type = PERF_TYPE_RAW; | |
2c9e45f7 DA |
961 | else { |
962 | fprintf(stderr, "Invalid event type in field string.\n"); | |
38efb539 RR |
963 | rc = -EINVAL; |
964 | goto out; | |
2c9e45f7 DA |
965 | } |
966 | ||
967 | if (output[type].user_set) | |
968 | pr_warning("Overriding previous field request for %s events.\n", | |
969 | event_type(type)); | |
970 | ||
971 | output[type].fields = 0; | |
972 | output[type].user_set = true; | |
9cbdb702 | 973 | output[type].wildcard_set = false; |
2c9e45f7 DA |
974 | |
975 | } else { | |
976 | tok = str; | |
977 | if (strlen(str) == 0) { | |
978 | fprintf(stderr, | |
979 | "Cannot set fields to 'none' for all event types.\n"); | |
980 | rc = -EINVAL; | |
981 | goto out; | |
982 | } | |
983 | ||
984 | if (output_set_by_user()) | |
985 | pr_warning("Overriding previous field request for all events.\n"); | |
986 | ||
987 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
988 | output[j].fields = 0; | |
989 | output[j].user_set = true; | |
9cbdb702 | 990 | output[j].wildcard_set = true; |
2c9e45f7 | 991 | } |
745f43e3 DA |
992 | } |
993 | ||
2c9e45f7 DA |
994 | tok = strtok(tok, ","); |
995 | while (tok) { | |
745f43e3 | 996 | for (i = 0; i < imax; ++i) { |
2c9e45f7 | 997 | if (strcmp(tok, all_output_options[i].str) == 0) |
745f43e3 | 998 | break; |
745f43e3 DA |
999 | } |
1000 | if (i == imax) { | |
2c9e45f7 | 1001 | fprintf(stderr, "Invalid field requested.\n"); |
745f43e3 | 1002 | rc = -EINVAL; |
2c9e45f7 | 1003 | goto out; |
745f43e3 DA |
1004 | } |
1005 | ||
2c9e45f7 DA |
1006 | if (type == -1) { |
1007 | /* add user option to all events types for | |
1008 | * which it is valid | |
1009 | */ | |
1010 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
1011 | if (output[j].invalid_fields & all_output_options[i].field) { | |
1012 | pr_warning("\'%s\' not valid for %s events. Ignoring.\n", | |
1013 | all_output_options[i].str, event_type(j)); | |
1014 | } else | |
1015 | output[j].fields |= all_output_options[i].field; | |
1016 | } | |
1017 | } else { | |
1018 | if (output[type].invalid_fields & all_output_options[i].field) { | |
1019 | fprintf(stderr, "\'%s\' not valid for %s events.\n", | |
1020 | all_output_options[i].str, event_type(type)); | |
1021 | ||
1022 | rc = -EINVAL; | |
1023 | goto out; | |
1024 | } | |
1025 | output[type].fields |= all_output_options[i].field; | |
1026 | } | |
1027 | ||
1028 | tok = strtok(NULL, ","); | |
745f43e3 DA |
1029 | } |
1030 | ||
2c9e45f7 DA |
1031 | if (type >= 0) { |
1032 | if (output[type].fields == 0) { | |
1033 | pr_debug("No fields requested for %s type. " | |
1034 | "Events will not be displayed.\n", event_type(type)); | |
1035 | } | |
1036 | } | |
745f43e3 | 1037 | |
2c9e45f7 | 1038 | out: |
745f43e3 DA |
1039 | free(str); |
1040 | return rc; | |
1041 | } | |
1042 | ||
008f29d3 SB |
1043 | /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */ |
1044 | static int is_directory(const char *base_path, const struct dirent *dent) | |
1045 | { | |
1046 | char path[PATH_MAX]; | |
1047 | struct stat st; | |
1048 | ||
1049 | sprintf(path, "%s/%s", base_path, dent->d_name); | |
1050 | if (stat(path, &st)) | |
1051 | return 0; | |
1052 | ||
1053 | return S_ISDIR(st.st_mode); | |
1054 | } | |
1055 | ||
1056 | #define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\ | |
4b9c0c59 TZ |
1057 | while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \ |
1058 | lang_next) \ | |
008f29d3 SB |
1059 | if ((lang_dirent.d_type == DT_DIR || \ |
1060 | (lang_dirent.d_type == DT_UNKNOWN && \ | |
1061 | is_directory(scripts_path, &lang_dirent))) && \ | |
4b9c0c59 TZ |
1062 | (strcmp(lang_dirent.d_name, ".")) && \ |
1063 | (strcmp(lang_dirent.d_name, ".."))) | |
1064 | ||
008f29d3 | 1065 | #define for_each_script(lang_path, lang_dir, script_dirent, script_next)\ |
4b9c0c59 TZ |
1066 | while (!readdir_r(lang_dir, &script_dirent, &script_next) && \ |
1067 | script_next) \ | |
008f29d3 SB |
1068 | if (script_dirent.d_type != DT_DIR && \ |
1069 | (script_dirent.d_type != DT_UNKNOWN || \ | |
1070 | !is_directory(lang_path, &script_dirent))) | |
4b9c0c59 TZ |
1071 | |
1072 | ||
1073 | #define RECORD_SUFFIX "-record" | |
1074 | #define REPORT_SUFFIX "-report" | |
1075 | ||
1076 | struct script_desc { | |
1077 | struct list_head node; | |
1078 | char *name; | |
1079 | char *half_liner; | |
1080 | char *args; | |
1081 | }; | |
1082 | ||
eccdfe2d | 1083 | static LIST_HEAD(script_descs); |
4b9c0c59 TZ |
1084 | |
1085 | static struct script_desc *script_desc__new(const char *name) | |
1086 | { | |
1087 | struct script_desc *s = zalloc(sizeof(*s)); | |
1088 | ||
b5b87312 | 1089 | if (s != NULL && name) |
4b9c0c59 TZ |
1090 | s->name = strdup(name); |
1091 | ||
1092 | return s; | |
1093 | } | |
1094 | ||
1095 | static void script_desc__delete(struct script_desc *s) | |
1096 | { | |
1097 | free(s->name); | |
e8719adf TZ |
1098 | free(s->half_liner); |
1099 | free(s->args); | |
4b9c0c59 TZ |
1100 | free(s); |
1101 | } | |
1102 | ||
1103 | static void script_desc__add(struct script_desc *s) | |
1104 | { | |
1105 | list_add_tail(&s->node, &script_descs); | |
1106 | } | |
1107 | ||
1108 | static struct script_desc *script_desc__find(const char *name) | |
1109 | { | |
1110 | struct script_desc *s; | |
1111 | ||
1112 | list_for_each_entry(s, &script_descs, node) | |
1113 | if (strcasecmp(s->name, name) == 0) | |
1114 | return s; | |
1115 | return NULL; | |
1116 | } | |
1117 | ||
1118 | static struct script_desc *script_desc__findnew(const char *name) | |
1119 | { | |
1120 | struct script_desc *s = script_desc__find(name); | |
1121 | ||
1122 | if (s) | |
1123 | return s; | |
1124 | ||
1125 | s = script_desc__new(name); | |
1126 | if (!s) | |
1127 | goto out_delete_desc; | |
1128 | ||
1129 | script_desc__add(s); | |
1130 | ||
1131 | return s; | |
1132 | ||
1133 | out_delete_desc: | |
1134 | script_desc__delete(s); | |
1135 | ||
1136 | return NULL; | |
1137 | } | |
1138 | ||
965bb6be | 1139 | static const char *ends_with(const char *str, const char *suffix) |
4b9c0c59 TZ |
1140 | { |
1141 | size_t suffix_len = strlen(suffix); | |
965bb6be | 1142 | const char *p = str; |
4b9c0c59 TZ |
1143 | |
1144 | if (strlen(str) > suffix_len) { | |
1145 | p = str + strlen(str) - suffix_len; | |
1146 | if (!strncmp(p, suffix, suffix_len)) | |
1147 | return p; | |
1148 | } | |
1149 | ||
1150 | return NULL; | |
1151 | } | |
1152 | ||
4b9c0c59 TZ |
1153 | static int read_script_info(struct script_desc *desc, const char *filename) |
1154 | { | |
1155 | char line[BUFSIZ], *p; | |
1156 | FILE *fp; | |
1157 | ||
1158 | fp = fopen(filename, "r"); | |
1159 | if (!fp) | |
1160 | return -1; | |
1161 | ||
1162 | while (fgets(line, sizeof(line), fp)) { | |
1163 | p = ltrim(line); | |
1164 | if (strlen(p) == 0) | |
1165 | continue; | |
1166 | if (*p != '#') | |
1167 | continue; | |
1168 | p++; | |
1169 | if (strlen(p) && *p == '!') | |
1170 | continue; | |
1171 | ||
1172 | p = ltrim(p); | |
1173 | if (strlen(p) && p[strlen(p) - 1] == '\n') | |
1174 | p[strlen(p) - 1] = '\0'; | |
1175 | ||
1176 | if (!strncmp(p, "description:", strlen("description:"))) { | |
1177 | p += strlen("description:"); | |
1178 | desc->half_liner = strdup(ltrim(p)); | |
1179 | continue; | |
1180 | } | |
1181 | ||
1182 | if (!strncmp(p, "args:", strlen("args:"))) { | |
1183 | p += strlen("args:"); | |
1184 | desc->args = strdup(ltrim(p)); | |
1185 | continue; | |
1186 | } | |
1187 | } | |
1188 | ||
1189 | fclose(fp); | |
1190 | ||
1191 | return 0; | |
1192 | } | |
1193 | ||
38efb539 RR |
1194 | static char *get_script_root(struct dirent *script_dirent, const char *suffix) |
1195 | { | |
1196 | char *script_root, *str; | |
1197 | ||
1198 | script_root = strdup(script_dirent->d_name); | |
1199 | if (!script_root) | |
1200 | return NULL; | |
1201 | ||
1202 | str = (char *)ends_with(script_root, suffix); | |
1203 | if (!str) { | |
1204 | free(script_root); | |
1205 | return NULL; | |
1206 | } | |
1207 | ||
1208 | *str = '\0'; | |
1209 | return script_root; | |
1210 | } | |
1211 | ||
1d037ca1 IT |
1212 | static int list_available_scripts(const struct option *opt __maybe_unused, |
1213 | const char *s __maybe_unused, | |
1214 | int unset __maybe_unused) | |
4b9c0c59 TZ |
1215 | { |
1216 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
1217 | char scripts_path[MAXPATHLEN]; | |
1218 | DIR *scripts_dir, *lang_dir; | |
1219 | char script_path[MAXPATHLEN]; | |
1220 | char lang_path[MAXPATHLEN]; | |
1221 | struct script_desc *desc; | |
1222 | char first_half[BUFSIZ]; | |
1223 | char *script_root; | |
4b9c0c59 TZ |
1224 | |
1225 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
1226 | ||
1227 | scripts_dir = opendir(scripts_path); | |
1228 | if (!scripts_dir) | |
1229 | return -1; | |
1230 | ||
008f29d3 | 1231 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
4b9c0c59 TZ |
1232 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
1233 | lang_dirent.d_name); | |
1234 | lang_dir = opendir(lang_path); | |
1235 | if (!lang_dir) | |
1236 | continue; | |
1237 | ||
008f29d3 | 1238 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
38efb539 RR |
1239 | script_root = get_script_root(&script_dirent, REPORT_SUFFIX); |
1240 | if (script_root) { | |
4b9c0c59 TZ |
1241 | desc = script_desc__findnew(script_root); |
1242 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
1243 | lang_path, script_dirent.d_name); | |
1244 | read_script_info(desc, script_path); | |
38efb539 | 1245 | free(script_root); |
4b9c0c59 | 1246 | } |
4b9c0c59 TZ |
1247 | } |
1248 | } | |
1249 | ||
1250 | fprintf(stdout, "List of available trace scripts:\n"); | |
1251 | list_for_each_entry(desc, &script_descs, node) { | |
1252 | sprintf(first_half, "%s %s", desc->name, | |
1253 | desc->args ? desc->args : ""); | |
1254 | fprintf(stdout, " %-36s %s\n", first_half, | |
1255 | desc->half_liner ? desc->half_liner : ""); | |
1256 | } | |
1257 | ||
1258 | exit(0); | |
1259 | } | |
1260 | ||
49e639e2 FT |
1261 | /* |
1262 | * Some scripts specify the required events in their "xxx-record" file, | |
1263 | * this function will check if the events in perf.data match those | |
1264 | * mentioned in the "xxx-record". | |
1265 | * | |
1266 | * Fixme: All existing "xxx-record" are all in good formats "-e event ", | |
1267 | * which is covered well now. And new parsing code should be added to | |
1268 | * cover the future complexing formats like event groups etc. | |
1269 | */ | |
1270 | static int check_ev_match(char *dir_name, char *scriptname, | |
1271 | struct perf_session *session) | |
1272 | { | |
1273 | char filename[MAXPATHLEN], evname[128]; | |
1274 | char line[BUFSIZ], *p; | |
1275 | struct perf_evsel *pos; | |
1276 | int match, len; | |
1277 | FILE *fp; | |
1278 | ||
1279 | sprintf(filename, "%s/bin/%s-record", dir_name, scriptname); | |
1280 | ||
1281 | fp = fopen(filename, "r"); | |
1282 | if (!fp) | |
1283 | return -1; | |
1284 | ||
1285 | while (fgets(line, sizeof(line), fp)) { | |
1286 | p = ltrim(line); | |
1287 | if (*p == '#') | |
1288 | continue; | |
1289 | ||
1290 | while (strlen(p)) { | |
1291 | p = strstr(p, "-e"); | |
1292 | if (!p) | |
1293 | break; | |
1294 | ||
1295 | p += 2; | |
1296 | p = ltrim(p); | |
1297 | len = strcspn(p, " \t"); | |
1298 | if (!len) | |
1299 | break; | |
1300 | ||
1301 | snprintf(evname, len + 1, "%s", p); | |
1302 | ||
1303 | match = 0; | |
1304 | list_for_each_entry(pos, | |
1305 | &session->evlist->entries, node) { | |
1306 | if (!strcmp(perf_evsel__name(pos), evname)) { | |
1307 | match = 1; | |
1308 | break; | |
1309 | } | |
1310 | } | |
1311 | ||
1312 | if (!match) { | |
1313 | fclose(fp); | |
1314 | return -1; | |
1315 | } | |
1316 | } | |
1317 | } | |
1318 | ||
1319 | fclose(fp); | |
1320 | return 0; | |
1321 | } | |
1322 | ||
e5f3705e FT |
1323 | /* |
1324 | * Return -1 if none is found, otherwise the actual scripts number. | |
1325 | * | |
1326 | * Currently the only user of this function is the script browser, which | |
1327 | * will list all statically runnable scripts, select one, execute it and | |
1328 | * show the output in a perf browser. | |
1329 | */ | |
1330 | int find_scripts(char **scripts_array, char **scripts_path_array) | |
1331 | { | |
1332 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
49e639e2 | 1333 | char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; |
e5f3705e | 1334 | DIR *scripts_dir, *lang_dir; |
49e639e2 | 1335 | struct perf_session *session; |
f5fc1412 JO |
1336 | struct perf_data_file file = { |
1337 | .path = input_name, | |
1338 | .mode = PERF_DATA_MODE_READ, | |
1339 | }; | |
e5f3705e FT |
1340 | char *temp; |
1341 | int i = 0; | |
1342 | ||
f5fc1412 | 1343 | session = perf_session__new(&file, false, NULL); |
49e639e2 FT |
1344 | if (!session) |
1345 | return -1; | |
1346 | ||
e5f3705e FT |
1347 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); |
1348 | ||
1349 | scripts_dir = opendir(scripts_path); | |
49e639e2 FT |
1350 | if (!scripts_dir) { |
1351 | perf_session__delete(session); | |
e5f3705e | 1352 | return -1; |
49e639e2 | 1353 | } |
e5f3705e FT |
1354 | |
1355 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { | |
1356 | snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, | |
1357 | lang_dirent.d_name); | |
1358 | #ifdef NO_LIBPERL | |
1359 | if (strstr(lang_path, "perl")) | |
1360 | continue; | |
1361 | #endif | |
1362 | #ifdef NO_LIBPYTHON | |
1363 | if (strstr(lang_path, "python")) | |
1364 | continue; | |
1365 | #endif | |
1366 | ||
1367 | lang_dir = opendir(lang_path); | |
1368 | if (!lang_dir) | |
1369 | continue; | |
1370 | ||
1371 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { | |
1372 | /* Skip those real time scripts: xxxtop.p[yl] */ | |
1373 | if (strstr(script_dirent.d_name, "top.")) | |
1374 | continue; | |
1375 | sprintf(scripts_path_array[i], "%s/%s", lang_path, | |
1376 | script_dirent.d_name); | |
1377 | temp = strchr(script_dirent.d_name, '.'); | |
1378 | snprintf(scripts_array[i], | |
1379 | (temp - script_dirent.d_name) + 1, | |
1380 | "%s", script_dirent.d_name); | |
49e639e2 FT |
1381 | |
1382 | if (check_ev_match(lang_path, | |
1383 | scripts_array[i], session)) | |
1384 | continue; | |
1385 | ||
e5f3705e FT |
1386 | i++; |
1387 | } | |
49e639e2 | 1388 | closedir(lang_dir); |
e5f3705e FT |
1389 | } |
1390 | ||
49e639e2 FT |
1391 | closedir(scripts_dir); |
1392 | perf_session__delete(session); | |
e5f3705e FT |
1393 | return i; |
1394 | } | |
1395 | ||
3875294f TZ |
1396 | static char *get_script_path(const char *script_root, const char *suffix) |
1397 | { | |
1398 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
1399 | char scripts_path[MAXPATHLEN]; | |
1400 | char script_path[MAXPATHLEN]; | |
1401 | DIR *scripts_dir, *lang_dir; | |
1402 | char lang_path[MAXPATHLEN]; | |
38efb539 | 1403 | char *__script_root; |
3875294f TZ |
1404 | |
1405 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
1406 | ||
1407 | scripts_dir = opendir(scripts_path); | |
1408 | if (!scripts_dir) | |
1409 | return NULL; | |
1410 | ||
008f29d3 | 1411 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
3875294f TZ |
1412 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
1413 | lang_dirent.d_name); | |
1414 | lang_dir = opendir(lang_path); | |
1415 | if (!lang_dir) | |
1416 | continue; | |
1417 | ||
008f29d3 | 1418 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
38efb539 RR |
1419 | __script_root = get_script_root(&script_dirent, suffix); |
1420 | if (__script_root && !strcmp(script_root, __script_root)) { | |
1421 | free(__script_root); | |
946ef2a2 NK |
1422 | closedir(lang_dir); |
1423 | closedir(scripts_dir); | |
3875294f TZ |
1424 | snprintf(script_path, MAXPATHLEN, "%s/%s", |
1425 | lang_path, script_dirent.d_name); | |
38efb539 | 1426 | return strdup(script_path); |
3875294f TZ |
1427 | } |
1428 | free(__script_root); | |
1429 | } | |
946ef2a2 | 1430 | closedir(lang_dir); |
3875294f | 1431 | } |
946ef2a2 | 1432 | closedir(scripts_dir); |
3875294f | 1433 | |
38efb539 | 1434 | return NULL; |
3875294f TZ |
1435 | } |
1436 | ||
b5b87312 TZ |
1437 | static bool is_top_script(const char *script_path) |
1438 | { | |
965bb6be | 1439 | return ends_with(script_path, "top") == NULL ? false : true; |
b5b87312 TZ |
1440 | } |
1441 | ||
1442 | static int has_required_arg(char *script_path) | |
1443 | { | |
1444 | struct script_desc *desc; | |
1445 | int n_args = 0; | |
1446 | char *p; | |
1447 | ||
1448 | desc = script_desc__new(NULL); | |
1449 | ||
1450 | if (read_script_info(desc, script_path)) | |
1451 | goto out; | |
1452 | ||
1453 | if (!desc->args) | |
1454 | goto out; | |
1455 | ||
1456 | for (p = desc->args; *p; p++) | |
1457 | if (*p == '<') | |
1458 | n_args++; | |
1459 | out: | |
1460 | script_desc__delete(desc); | |
1461 | ||
1462 | return n_args; | |
1463 | } | |
1464 | ||
69b6470e ACM |
1465 | static int have_cmd(int argc, const char **argv) |
1466 | { | |
1467 | char **__argv = malloc(sizeof(const char *) * argc); | |
1468 | ||
1469 | if (!__argv) { | |
1470 | pr_err("malloc failed\n"); | |
1471 | return -1; | |
1472 | } | |
1473 | ||
1474 | memcpy(__argv, argv, sizeof(const char *) * argc); | |
1475 | argc = parse_options(argc, (const char **)__argv, record_options, | |
1476 | NULL, PARSE_OPT_STOP_AT_NON_OPTION); | |
1477 | free(__argv); | |
5f9c39dc | 1478 | |
69b6470e ACM |
1479 | system_wide = (argc == 0); |
1480 | ||
1481 | return 0; | |
1482 | } | |
1483 | ||
1484 | int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) | |
1485 | { | |
1486 | bool show_full_info = false; | |
69b6470e ACM |
1487 | char *rec_script_path = NULL; |
1488 | char *rep_script_path = NULL; | |
1489 | struct perf_session *session; | |
1490 | char *script_path = NULL; | |
1491 | const char **__argv; | |
1492 | int i, j, err; | |
6f3e5eda AH |
1493 | struct perf_script script = { |
1494 | .tool = { | |
1495 | .sample = process_sample_event, | |
1496 | .mmap = perf_event__process_mmap, | |
1497 | .mmap2 = perf_event__process_mmap2, | |
1498 | .comm = perf_event__process_comm, | |
1499 | .exit = perf_event__process_exit, | |
1500 | .fork = perf_event__process_fork, | |
7ea95727 | 1501 | .attr = process_attr, |
6f3e5eda AH |
1502 | .tracing_data = perf_event__process_tracing_data, |
1503 | .build_id = perf_event__process_build_id, | |
1504 | .ordered_samples = true, | |
1505 | .ordering_requires_timestamps = true, | |
1506 | }, | |
1507 | }; | |
69b6470e | 1508 | const struct option options[] = { |
5f9c39dc FW |
1509 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
1510 | "dump raw trace in ASCII"), | |
c0555642 | 1511 | OPT_INCR('v', "verbose", &verbose, |
69b6470e | 1512 | "be more verbose (show symbol address, etc)"), |
4b9c0c59 | 1513 | OPT_BOOLEAN('L', "Latency", &latency_format, |
cda48461 | 1514 | "show latency attributes (irqs/preemption disabled, etc)"), |
4b9c0c59 TZ |
1515 | OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", |
1516 | list_available_scripts), | |
956ffd02 TZ |
1517 | OPT_CALLBACK('s', "script", NULL, "name", |
1518 | "script file name (lang:script name, script name, or *)", | |
1519 | parse_scriptname), | |
1520 | OPT_STRING('g', "gen-script", &generate_script_lang, "lang", | |
133dc4c3 | 1521 | "generate perf-script.xx script in specified language"), |
69b6470e | 1522 | OPT_STRING('i', "input", &input_name, "file", "input file name"), |
ffabd99e FW |
1523 | OPT_BOOLEAN('d', "debug-mode", &debug_mode, |
1524 | "do various checks like samples ordering and lost events"), | |
c0230b2b DA |
1525 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
1526 | "file", "vmlinux pathname"), | |
1527 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, | |
1528 | "file", "kallsyms pathname"), | |
1529 | OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, | |
1530 | "When printing symbols do not display call chain"), | |
1531 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", | |
1532 | "Look for files with symbols relative to this directory"), | |
745f43e3 | 1533 | OPT_CALLBACK('f', "fields", NULL, "str", |
a978f2ab AN |
1534 | "comma separated output fields prepend with 'type:'. " |
1535 | "Valid types: hw,sw,trace,raw. " | |
1536 | "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," | |
69b6470e | 1537 | "addr,symoff", parse_output_fields), |
317df650 | 1538 | OPT_BOOLEAN('a', "all-cpus", &system_wide, |
69b6470e | 1539 | "system-wide collection from all CPUs"), |
36385be5 FT |
1540 | OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
1541 | "only consider these symbols"), | |
c8e66720 | 1542 | OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), |
e7984b7b DA |
1543 | OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
1544 | "only display events for these comms"), | |
fbe96f29 SE |
1545 | OPT_BOOLEAN('I', "show-info", &show_full_info, |
1546 | "display extended information from perf.data file"), | |
0bc8d205 AN |
1547 | OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, |
1548 | "Show the path of [kernel.kallsyms]"), | |
ad7ebb9a NK |
1549 | OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, |
1550 | "Show the fork/comm/exit events"), | |
ba1ddf42 NK |
1551 | OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, |
1552 | "Show the mmap events"), | |
1909629f | 1553 | OPT_END() |
69b6470e ACM |
1554 | }; |
1555 | const char * const script_usage[] = { | |
1556 | "perf script [<options>]", | |
1557 | "perf script [<options>] record <script> [<record-options>] <command>", | |
1558 | "perf script [<options>] report <script> [script-args]", | |
1559 | "perf script [<options>] <script> [<record-options>] <command>", | |
1560 | "perf script [<options>] <top-script> [script-args]", | |
1561 | NULL | |
1562 | }; | |
f5fc1412 JO |
1563 | struct perf_data_file file = { |
1564 | .mode = PERF_DATA_MODE_READ, | |
1565 | }; | |
3875294f | 1566 | |
b5b87312 TZ |
1567 | setup_scripting(); |
1568 | ||
133dc4c3 | 1569 | argc = parse_options(argc, argv, options, script_usage, |
b5b87312 TZ |
1570 | PARSE_OPT_STOP_AT_NON_OPTION); |
1571 | ||
f5fc1412 JO |
1572 | file.path = input_name; |
1573 | ||
b5b87312 TZ |
1574 | if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { |
1575 | rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); | |
1576 | if (!rec_script_path) | |
1577 | return cmd_record(argc, argv, NULL); | |
3875294f TZ |
1578 | } |
1579 | ||
b5b87312 TZ |
1580 | if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { |
1581 | rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); | |
1582 | if (!rep_script_path) { | |
3875294f | 1583 | fprintf(stderr, |
b5b87312 | 1584 | "Please specify a valid report script" |
133dc4c3 | 1585 | "(see 'perf script -l' for listing)\n"); |
3875294f TZ |
1586 | return -1; |
1587 | } | |
3875294f TZ |
1588 | } |
1589 | ||
44e668c6 BH |
1590 | /* make sure PERF_EXEC_PATH is set for scripts */ |
1591 | perf_set_argv_exec_path(perf_exec_path()); | |
1592 | ||
b5b87312 | 1593 | if (argc && !script_name && !rec_script_path && !rep_script_path) { |
a0cccc2e | 1594 | int live_pipe[2]; |
b5b87312 | 1595 | int rep_args; |
a0cccc2e TZ |
1596 | pid_t pid; |
1597 | ||
b5b87312 TZ |
1598 | rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); |
1599 | rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); | |
1600 | ||
1601 | if (!rec_script_path && !rep_script_path) { | |
1602 | fprintf(stderr, " Couldn't find script %s\n\n See perf" | |
133dc4c3 IM |
1603 | " script -l for available scripts.\n", argv[0]); |
1604 | usage_with_options(script_usage, options); | |
a0cccc2e TZ |
1605 | } |
1606 | ||
b5b87312 TZ |
1607 | if (is_top_script(argv[0])) { |
1608 | rep_args = argc - 1; | |
1609 | } else { | |
1610 | int rec_args; | |
1611 | ||
1612 | rep_args = has_required_arg(rep_script_path); | |
1613 | rec_args = (argc - 1) - rep_args; | |
1614 | if (rec_args < 0) { | |
1615 | fprintf(stderr, " %s script requires options." | |
133dc4c3 | 1616 | "\n\n See perf script -l for available " |
b5b87312 | 1617 | "scripts and options.\n", argv[0]); |
133dc4c3 | 1618 | usage_with_options(script_usage, options); |
b5b87312 | 1619 | } |
a0cccc2e TZ |
1620 | } |
1621 | ||
1622 | if (pipe(live_pipe) < 0) { | |
1623 | perror("failed to create pipe"); | |
d54b1a9e | 1624 | return -1; |
a0cccc2e TZ |
1625 | } |
1626 | ||
1627 | pid = fork(); | |
1628 | if (pid < 0) { | |
1629 | perror("failed to fork"); | |
d54b1a9e | 1630 | return -1; |
a0cccc2e TZ |
1631 | } |
1632 | ||
1633 | if (!pid) { | |
b5b87312 TZ |
1634 | j = 0; |
1635 | ||
a0cccc2e TZ |
1636 | dup2(live_pipe[1], 1); |
1637 | close(live_pipe[0]); | |
1638 | ||
317df650 RR |
1639 | if (is_top_script(argv[0])) { |
1640 | system_wide = true; | |
1641 | } else if (!system_wide) { | |
d54b1a9e DA |
1642 | if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { |
1643 | err = -1; | |
1644 | goto out; | |
1645 | } | |
317df650 | 1646 | } |
b5b87312 TZ |
1647 | |
1648 | __argv = malloc((argc + 6) * sizeof(const char *)); | |
d54b1a9e DA |
1649 | if (!__argv) { |
1650 | pr_err("malloc failed\n"); | |
1651 | err = -ENOMEM; | |
1652 | goto out; | |
1653 | } | |
e8719adf | 1654 | |
b5b87312 TZ |
1655 | __argv[j++] = "/bin/sh"; |
1656 | __argv[j++] = rec_script_path; | |
1657 | if (system_wide) | |
1658 | __argv[j++] = "-a"; | |
1659 | __argv[j++] = "-q"; | |
1660 | __argv[j++] = "-o"; | |
1661 | __argv[j++] = "-"; | |
1662 | for (i = rep_args + 1; i < argc; i++) | |
1663 | __argv[j++] = argv[i]; | |
1664 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1665 | |
1666 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1667 | free(__argv); |
a0cccc2e TZ |
1668 | exit(-1); |
1669 | } | |
1670 | ||
1671 | dup2(live_pipe[0], 0); | |
1672 | close(live_pipe[1]); | |
1673 | ||
b5b87312 | 1674 | __argv = malloc((argc + 4) * sizeof(const char *)); |
d54b1a9e DA |
1675 | if (!__argv) { |
1676 | pr_err("malloc failed\n"); | |
1677 | err = -ENOMEM; | |
1678 | goto out; | |
1679 | } | |
1680 | ||
b5b87312 TZ |
1681 | j = 0; |
1682 | __argv[j++] = "/bin/sh"; | |
1683 | __argv[j++] = rep_script_path; | |
1684 | for (i = 1; i < rep_args + 1; i++) | |
1685 | __argv[j++] = argv[i]; | |
1686 | __argv[j++] = "-i"; | |
1687 | __argv[j++] = "-"; | |
1688 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1689 | |
1690 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1691 | free(__argv); |
a0cccc2e TZ |
1692 | exit(-1); |
1693 | } | |
1694 | ||
b5b87312 TZ |
1695 | if (rec_script_path) |
1696 | script_path = rec_script_path; | |
1697 | if (rep_script_path) | |
1698 | script_path = rep_script_path; | |
34c86ea9 | 1699 | |
b5b87312 | 1700 | if (script_path) { |
b5b87312 | 1701 | j = 0; |
3875294f | 1702 | |
317df650 RR |
1703 | if (!rec_script_path) |
1704 | system_wide = false; | |
d54b1a9e DA |
1705 | else if (!system_wide) { |
1706 | if (have_cmd(argc - 1, &argv[1]) != 0) { | |
1707 | err = -1; | |
1708 | goto out; | |
1709 | } | |
1710 | } | |
34c86ea9 | 1711 | |
b5b87312 | 1712 | __argv = malloc((argc + 2) * sizeof(const char *)); |
d54b1a9e DA |
1713 | if (!__argv) { |
1714 | pr_err("malloc failed\n"); | |
1715 | err = -ENOMEM; | |
1716 | goto out; | |
1717 | } | |
1718 | ||
34c86ea9 TZ |
1719 | __argv[j++] = "/bin/sh"; |
1720 | __argv[j++] = script_path; | |
1721 | if (system_wide) | |
1722 | __argv[j++] = "-a"; | |
b5b87312 | 1723 | for (i = 2; i < argc; i++) |
34c86ea9 TZ |
1724 | __argv[j++] = argv[i]; |
1725 | __argv[j++] = NULL; | |
3875294f TZ |
1726 | |
1727 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1728 | free(__argv); |
3875294f TZ |
1729 | exit(-1); |
1730 | } | |
956ffd02 | 1731 | |
655000e7 ACM |
1732 | if (symbol__init() < 0) |
1733 | return -1; | |
cf4fee50 TZ |
1734 | if (!script_name) |
1735 | setup_pager(); | |
5f9c39dc | 1736 | |
6f3e5eda | 1737 | session = perf_session__new(&file, false, &script.tool); |
d8f66248 ACM |
1738 | if (session == NULL) |
1739 | return -ENOMEM; | |
1740 | ||
6f3e5eda AH |
1741 | script.session = session; |
1742 | ||
5d67be97 AB |
1743 | if (cpu_list) { |
1744 | if (perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap)) | |
1745 | return -1; | |
1746 | } | |
1747 | ||
bdb71db2 TZ |
1748 | if (!script_name && !generate_script_lang) |
1749 | perf_session__fprintf_info(session, stdout, show_full_info); | |
fbe96f29 | 1750 | |
1424dc96 | 1751 | if (!no_callchain) |
c0230b2b DA |
1752 | symbol_conf.use_callchain = true; |
1753 | else | |
1754 | symbol_conf.use_callchain = false; | |
1755 | ||
956ffd02 TZ |
1756 | if (generate_script_lang) { |
1757 | struct stat perf_stat; | |
745f43e3 DA |
1758 | int input; |
1759 | ||
2c9e45f7 | 1760 | if (output_set_by_user()) { |
745f43e3 DA |
1761 | fprintf(stderr, |
1762 | "custom fields not supported for generated scripts"); | |
1763 | return -1; | |
1764 | } | |
956ffd02 | 1765 | |
cc9784bd | 1766 | input = open(file.path, O_RDONLY); /* input_name */ |
956ffd02 TZ |
1767 | if (input < 0) { |
1768 | perror("failed to open file"); | |
d54b1a9e | 1769 | return -1; |
956ffd02 TZ |
1770 | } |
1771 | ||
1772 | err = fstat(input, &perf_stat); | |
1773 | if (err < 0) { | |
1774 | perror("failed to stat file"); | |
d54b1a9e | 1775 | return -1; |
956ffd02 TZ |
1776 | } |
1777 | ||
1778 | if (!perf_stat.st_size) { | |
1779 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
d54b1a9e | 1780 | return 0; |
956ffd02 TZ |
1781 | } |
1782 | ||
1783 | scripting_ops = script_spec__lookup(generate_script_lang); | |
1784 | if (!scripting_ops) { | |
1785 | fprintf(stderr, "invalid language specifier"); | |
1786 | return -1; | |
1787 | } | |
1788 | ||
29f5ffd3 | 1789 | err = scripting_ops->generate_script(session->tevent.pevent, |
da378962 | 1790 | "perf-script"); |
956ffd02 TZ |
1791 | goto out; |
1792 | } | |
1793 | ||
1794 | if (script_name) { | |
586bc5cc | 1795 | err = scripting_ops->start_script(script_name, argc, argv); |
956ffd02 TZ |
1796 | if (err) |
1797 | goto out; | |
133dc4c3 | 1798 | pr_debug("perf script started with script %s\n\n", script_name); |
956ffd02 TZ |
1799 | } |
1800 | ||
9cbdb702 DA |
1801 | |
1802 | err = perf_session__check_output_opt(session); | |
1803 | if (err < 0) | |
1804 | goto out; | |
1805 | ||
6f3e5eda | 1806 | err = __cmd_script(&script); |
956ffd02 | 1807 | |
d8f66248 | 1808 | perf_session__delete(session); |
956ffd02 TZ |
1809 | cleanup_scripting(); |
1810 | out: | |
1811 | return err; | |
5f9c39dc | 1812 | } |