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Commit | Line | Data |
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10274989 AV |
1 | /* |
2 | * builtin-timechart.c - make an svg timechart of system activity | |
3 | * | |
4 | * (C) Copyright 2009 Intel Corporation | |
5 | * | |
6 | * Authors: | |
7 | * Arjan van de Ven <arjan@linux.intel.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License | |
11 | * as published by the Free Software Foundation; version 2 | |
12 | * of the License. | |
13 | */ | |
14 | ||
c85cffa5 JO |
15 | #include <traceevent/event-parse.h> |
16 | ||
10274989 AV |
17 | #include "builtin.h" |
18 | ||
19 | #include "util/util.h" | |
20 | ||
21 | #include "util/color.h" | |
22 | #include <linux/list.h> | |
23 | #include "util/cache.h" | |
5936678e | 24 | #include "util/evlist.h" |
e3f42609 | 25 | #include "util/evsel.h" |
10274989 AV |
26 | #include <linux/rbtree.h> |
27 | #include "util/symbol.h" | |
10274989 AV |
28 | #include "util/callchain.h" |
29 | #include "util/strlist.h" | |
30 | ||
31 | #include "perf.h" | |
32 | #include "util/header.h" | |
33 | #include "util/parse-options.h" | |
34 | #include "util/parse-events.h" | |
5cbd0805 | 35 | #include "util/event.h" |
301a0b02 | 36 | #include "util/session.h" |
10274989 | 37 | #include "util/svghelper.h" |
45694aa7 | 38 | #include "util/tool.h" |
f5fc1412 | 39 | #include "util/data.h" |
10274989 | 40 | |
20c457b8 TR |
41 | #define SUPPORT_OLD_POWER_EVENTS 1 |
42 | #define PWR_EVENT_EXIT -1 | |
43 | ||
5e22f6d2 | 44 | struct per_pid; |
66cc3ada | 45 | struct power_event; |
436b0da0 | 46 | struct wake_event; |
5e22f6d2 | 47 | |
985b12e6 ACM |
48 | struct timechart { |
49 | struct perf_tool tool; | |
5e22f6d2 | 50 | struct per_pid *all_data; |
66cc3ada | 51 | struct power_event *power_events; |
436b0da0 | 52 | struct wake_event *wake_events; |
985b12e6 ACM |
53 | int proc_num; |
54 | unsigned int numcpus; | |
55 | u64 min_freq, /* Lowest CPU frequency seen */ | |
56 | max_freq, /* Highest CPU frequency seen */ | |
57 | turbo_frequency, | |
58 | first_time, last_time; | |
59 | bool power_only, | |
60 | tasks_only, | |
c5079997 SF |
61 | with_backtrace, |
62 | topology; | |
985b12e6 | 63 | }; |
10274989 | 64 | |
10274989 | 65 | struct per_pidcomm; |
10274989 | 66 | struct cpu_sample; |
10274989 AV |
67 | |
68 | /* | |
69 | * Datastructure layout: | |
70 | * We keep an list of "pid"s, matching the kernels notion of a task struct. | |
71 | * Each "pid" entry, has a list of "comm"s. | |
72 | * this is because we want to track different programs different, while | |
73 | * exec will reuse the original pid (by design). | |
74 | * Each comm has a list of samples that will be used to draw | |
75 | * final graph. | |
76 | */ | |
77 | ||
78 | struct per_pid { | |
79 | struct per_pid *next; | |
80 | ||
81 | int pid; | |
82 | int ppid; | |
83 | ||
84 | u64 start_time; | |
85 | u64 end_time; | |
86 | u64 total_time; | |
87 | int display; | |
88 | ||
89 | struct per_pidcomm *all; | |
90 | struct per_pidcomm *current; | |
10274989 AV |
91 | }; |
92 | ||
93 | ||
94 | struct per_pidcomm { | |
95 | struct per_pidcomm *next; | |
96 | ||
97 | u64 start_time; | |
98 | u64 end_time; | |
99 | u64 total_time; | |
100 | ||
101 | int Y; | |
102 | int display; | |
103 | ||
104 | long state; | |
105 | u64 state_since; | |
106 | ||
107 | char *comm; | |
108 | ||
109 | struct cpu_sample *samples; | |
110 | }; | |
111 | ||
112 | struct sample_wrapper { | |
113 | struct sample_wrapper *next; | |
114 | ||
115 | u64 timestamp; | |
116 | unsigned char data[0]; | |
117 | }; | |
118 | ||
119 | #define TYPE_NONE 0 | |
120 | #define TYPE_RUNNING 1 | |
121 | #define TYPE_WAITING 2 | |
122 | #define TYPE_BLOCKED 3 | |
123 | ||
124 | struct cpu_sample { | |
125 | struct cpu_sample *next; | |
126 | ||
127 | u64 start_time; | |
128 | u64 end_time; | |
129 | int type; | |
130 | int cpu; | |
6f8d67fa | 131 | const char *backtrace; |
10274989 AV |
132 | }; |
133 | ||
10274989 AV |
134 | #define CSTATE 1 |
135 | #define PSTATE 2 | |
136 | ||
137 | struct power_event { | |
138 | struct power_event *next; | |
139 | int type; | |
140 | int state; | |
141 | u64 start_time; | |
142 | u64 end_time; | |
143 | int cpu; | |
144 | }; | |
145 | ||
146 | struct wake_event { | |
147 | struct wake_event *next; | |
148 | int waker; | |
149 | int wakee; | |
150 | u64 time; | |
6f8d67fa | 151 | const char *backtrace; |
10274989 AV |
152 | }; |
153 | ||
bbe2987b | 154 | struct process_filter { |
5cbd0805 LZ |
155 | char *name; |
156 | int pid; | |
157 | struct process_filter *next; | |
bbe2987b AV |
158 | }; |
159 | ||
160 | static struct process_filter *process_filter; | |
161 | ||
162 | ||
5e22f6d2 | 163 | static struct per_pid *find_create_pid(struct timechart *tchart, int pid) |
10274989 | 164 | { |
5e22f6d2 | 165 | struct per_pid *cursor = tchart->all_data; |
10274989 AV |
166 | |
167 | while (cursor) { | |
168 | if (cursor->pid == pid) | |
169 | return cursor; | |
170 | cursor = cursor->next; | |
171 | } | |
e0dcd6fb | 172 | cursor = zalloc(sizeof(*cursor)); |
10274989 | 173 | assert(cursor != NULL); |
10274989 | 174 | cursor->pid = pid; |
5e22f6d2 ACM |
175 | cursor->next = tchart->all_data; |
176 | tchart->all_data = cursor; | |
10274989 AV |
177 | return cursor; |
178 | } | |
179 | ||
5e22f6d2 | 180 | static void pid_set_comm(struct timechart *tchart, int pid, char *comm) |
10274989 AV |
181 | { |
182 | struct per_pid *p; | |
183 | struct per_pidcomm *c; | |
5e22f6d2 | 184 | p = find_create_pid(tchart, pid); |
10274989 AV |
185 | c = p->all; |
186 | while (c) { | |
187 | if (c->comm && strcmp(c->comm, comm) == 0) { | |
188 | p->current = c; | |
189 | return; | |
190 | } | |
191 | if (!c->comm) { | |
192 | c->comm = strdup(comm); | |
193 | p->current = c; | |
194 | return; | |
195 | } | |
196 | c = c->next; | |
197 | } | |
e0dcd6fb | 198 | c = zalloc(sizeof(*c)); |
10274989 | 199 | assert(c != NULL); |
10274989 AV |
200 | c->comm = strdup(comm); |
201 | p->current = c; | |
202 | c->next = p->all; | |
203 | p->all = c; | |
204 | } | |
205 | ||
5e22f6d2 | 206 | static void pid_fork(struct timechart *tchart, int pid, int ppid, u64 timestamp) |
10274989 AV |
207 | { |
208 | struct per_pid *p, *pp; | |
5e22f6d2 ACM |
209 | p = find_create_pid(tchart, pid); |
210 | pp = find_create_pid(tchart, ppid); | |
10274989 AV |
211 | p->ppid = ppid; |
212 | if (pp->current && pp->current->comm && !p->current) | |
5e22f6d2 | 213 | pid_set_comm(tchart, pid, pp->current->comm); |
10274989 AV |
214 | |
215 | p->start_time = timestamp; | |
216 | if (p->current) { | |
217 | p->current->start_time = timestamp; | |
218 | p->current->state_since = timestamp; | |
219 | } | |
220 | } | |
221 | ||
5e22f6d2 | 222 | static void pid_exit(struct timechart *tchart, int pid, u64 timestamp) |
10274989 AV |
223 | { |
224 | struct per_pid *p; | |
5e22f6d2 | 225 | p = find_create_pid(tchart, pid); |
10274989 AV |
226 | p->end_time = timestamp; |
227 | if (p->current) | |
228 | p->current->end_time = timestamp; | |
229 | } | |
230 | ||
5e22f6d2 ACM |
231 | static void pid_put_sample(struct timechart *tchart, int pid, int type, |
232 | unsigned int cpu, u64 start, u64 end, | |
233 | const char *backtrace) | |
10274989 AV |
234 | { |
235 | struct per_pid *p; | |
236 | struct per_pidcomm *c; | |
237 | struct cpu_sample *sample; | |
238 | ||
5e22f6d2 | 239 | p = find_create_pid(tchart, pid); |
10274989 AV |
240 | c = p->current; |
241 | if (!c) { | |
e0dcd6fb | 242 | c = zalloc(sizeof(*c)); |
10274989 | 243 | assert(c != NULL); |
10274989 AV |
244 | p->current = c; |
245 | c->next = p->all; | |
246 | p->all = c; | |
247 | } | |
248 | ||
e0dcd6fb | 249 | sample = zalloc(sizeof(*sample)); |
10274989 | 250 | assert(sample != NULL); |
10274989 AV |
251 | sample->start_time = start; |
252 | sample->end_time = end; | |
253 | sample->type = type; | |
254 | sample->next = c->samples; | |
255 | sample->cpu = cpu; | |
6f8d67fa | 256 | sample->backtrace = backtrace; |
10274989 AV |
257 | c->samples = sample; |
258 | ||
259 | if (sample->type == TYPE_RUNNING && end > start && start > 0) { | |
260 | c->total_time += (end-start); | |
261 | p->total_time += (end-start); | |
262 | } | |
263 | ||
264 | if (c->start_time == 0 || c->start_time > start) | |
265 | c->start_time = start; | |
266 | if (p->start_time == 0 || p->start_time > start) | |
267 | p->start_time = start; | |
10274989 AV |
268 | } |
269 | ||
270 | #define MAX_CPUS 4096 | |
271 | ||
272 | static u64 cpus_cstate_start_times[MAX_CPUS]; | |
273 | static int cpus_cstate_state[MAX_CPUS]; | |
274 | static u64 cpus_pstate_start_times[MAX_CPUS]; | |
275 | static u64 cpus_pstate_state[MAX_CPUS]; | |
276 | ||
5e22f6d2 | 277 | static int process_comm_event(struct perf_tool *tool, |
d20deb64 | 278 | union perf_event *event, |
1d037ca1 IT |
279 | struct perf_sample *sample __maybe_unused, |
280 | struct machine *machine __maybe_unused) | |
10274989 | 281 | { |
5e22f6d2 ACM |
282 | struct timechart *tchart = container_of(tool, struct timechart, tool); |
283 | pid_set_comm(tchart, event->comm.tid, event->comm.comm); | |
10274989 AV |
284 | return 0; |
285 | } | |
d8f66248 | 286 | |
5e22f6d2 | 287 | static int process_fork_event(struct perf_tool *tool, |
d20deb64 | 288 | union perf_event *event, |
1d037ca1 IT |
289 | struct perf_sample *sample __maybe_unused, |
290 | struct machine *machine __maybe_unused) | |
10274989 | 291 | { |
5e22f6d2 ACM |
292 | struct timechart *tchart = container_of(tool, struct timechart, tool); |
293 | pid_fork(tchart, event->fork.pid, event->fork.ppid, event->fork.time); | |
10274989 AV |
294 | return 0; |
295 | } | |
296 | ||
5e22f6d2 | 297 | static int process_exit_event(struct perf_tool *tool, |
d20deb64 | 298 | union perf_event *event, |
1d037ca1 IT |
299 | struct perf_sample *sample __maybe_unused, |
300 | struct machine *machine __maybe_unused) | |
10274989 | 301 | { |
5e22f6d2 ACM |
302 | struct timechart *tchart = container_of(tool, struct timechart, tool); |
303 | pid_exit(tchart, event->fork.pid, event->fork.time); | |
10274989 AV |
304 | return 0; |
305 | } | |
306 | ||
20c457b8 TR |
307 | #ifdef SUPPORT_OLD_POWER_EVENTS |
308 | static int use_old_power_events; | |
20c457b8 TR |
309 | #endif |
310 | ||
10274989 AV |
311 | static void c_state_start(int cpu, u64 timestamp, int state) |
312 | { | |
313 | cpus_cstate_start_times[cpu] = timestamp; | |
314 | cpus_cstate_state[cpu] = state; | |
315 | } | |
316 | ||
66cc3ada | 317 | static void c_state_end(struct timechart *tchart, int cpu, u64 timestamp) |
10274989 | 318 | { |
e0dcd6fb ACM |
319 | struct power_event *pwr = zalloc(sizeof(*pwr)); |
320 | ||
10274989 AV |
321 | if (!pwr) |
322 | return; | |
10274989 AV |
323 | |
324 | pwr->state = cpus_cstate_state[cpu]; | |
325 | pwr->start_time = cpus_cstate_start_times[cpu]; | |
326 | pwr->end_time = timestamp; | |
327 | pwr->cpu = cpu; | |
328 | pwr->type = CSTATE; | |
66cc3ada | 329 | pwr->next = tchart->power_events; |
10274989 | 330 | |
66cc3ada | 331 | tchart->power_events = pwr; |
10274989 AV |
332 | } |
333 | ||
985b12e6 | 334 | static void p_state_change(struct timechart *tchart, int cpu, u64 timestamp, u64 new_freq) |
10274989 AV |
335 | { |
336 | struct power_event *pwr; | |
10274989 AV |
337 | |
338 | if (new_freq > 8000000) /* detect invalid data */ | |
339 | return; | |
340 | ||
e0dcd6fb | 341 | pwr = zalloc(sizeof(*pwr)); |
10274989 AV |
342 | if (!pwr) |
343 | return; | |
10274989 AV |
344 | |
345 | pwr->state = cpus_pstate_state[cpu]; | |
346 | pwr->start_time = cpus_pstate_start_times[cpu]; | |
347 | pwr->end_time = timestamp; | |
348 | pwr->cpu = cpu; | |
349 | pwr->type = PSTATE; | |
66cc3ada | 350 | pwr->next = tchart->power_events; |
10274989 AV |
351 | |
352 | if (!pwr->start_time) | |
985b12e6 | 353 | pwr->start_time = tchart->first_time; |
10274989 | 354 | |
66cc3ada | 355 | tchart->power_events = pwr; |
10274989 AV |
356 | |
357 | cpus_pstate_state[cpu] = new_freq; | |
358 | cpus_pstate_start_times[cpu] = timestamp; | |
359 | ||
985b12e6 ACM |
360 | if ((u64)new_freq > tchart->max_freq) |
361 | tchart->max_freq = new_freq; | |
10274989 | 362 | |
985b12e6 ACM |
363 | if (new_freq < tchart->min_freq || tchart->min_freq == 0) |
364 | tchart->min_freq = new_freq; | |
10274989 | 365 | |
985b12e6 ACM |
366 | if (new_freq == tchart->max_freq - 1000) |
367 | tchart->turbo_frequency = tchart->max_freq; | |
10274989 AV |
368 | } |
369 | ||
5e22f6d2 ACM |
370 | static void sched_wakeup(struct timechart *tchart, int cpu, u64 timestamp, |
371 | int waker, int wakee, u8 flags, const char *backtrace) | |
10274989 | 372 | { |
10274989 | 373 | struct per_pid *p; |
e0dcd6fb | 374 | struct wake_event *we = zalloc(sizeof(*we)); |
10274989 | 375 | |
10274989 AV |
376 | if (!we) |
377 | return; | |
378 | ||
10274989 | 379 | we->time = timestamp; |
3ed0d21e | 380 | we->waker = waker; |
6f8d67fa | 381 | we->backtrace = backtrace; |
10274989 | 382 | |
3ed0d21e | 383 | if ((flags & TRACE_FLAG_HARDIRQ) || (flags & TRACE_FLAG_SOFTIRQ)) |
10274989 AV |
384 | we->waker = -1; |
385 | ||
3ed0d21e | 386 | we->wakee = wakee; |
436b0da0 ACM |
387 | we->next = tchart->wake_events; |
388 | tchart->wake_events = we; | |
5e22f6d2 | 389 | p = find_create_pid(tchart, we->wakee); |
10274989 AV |
390 | |
391 | if (p && p->current && p->current->state == TYPE_NONE) { | |
392 | p->current->state_since = timestamp; | |
393 | p->current->state = TYPE_WAITING; | |
394 | } | |
395 | if (p && p->current && p->current->state == TYPE_BLOCKED) { | |
5e22f6d2 | 396 | pid_put_sample(tchart, p->pid, p->current->state, cpu, |
6f8d67fa | 397 | p->current->state_since, timestamp, NULL); |
10274989 AV |
398 | p->current->state_since = timestamp; |
399 | p->current->state = TYPE_WAITING; | |
400 | } | |
401 | } | |
402 | ||
5e22f6d2 ACM |
403 | static void sched_switch(struct timechart *tchart, int cpu, u64 timestamp, |
404 | int prev_pid, int next_pid, u64 prev_state, | |
405 | const char *backtrace) | |
10274989 AV |
406 | { |
407 | struct per_pid *p = NULL, *prev_p; | |
10274989 | 408 | |
5e22f6d2 | 409 | prev_p = find_create_pid(tchart, prev_pid); |
10274989 | 410 | |
5e22f6d2 | 411 | p = find_create_pid(tchart, next_pid); |
10274989 AV |
412 | |
413 | if (prev_p->current && prev_p->current->state != TYPE_NONE) | |
5e22f6d2 | 414 | pid_put_sample(tchart, prev_pid, TYPE_RUNNING, cpu, |
6f8d67fa SF |
415 | prev_p->current->state_since, timestamp, |
416 | backtrace); | |
10274989 AV |
417 | if (p && p->current) { |
418 | if (p->current->state != TYPE_NONE) | |
5e22f6d2 | 419 | pid_put_sample(tchart, next_pid, p->current->state, cpu, |
6f8d67fa SF |
420 | p->current->state_since, timestamp, |
421 | backtrace); | |
10274989 | 422 | |
33e26a1b JL |
423 | p->current->state_since = timestamp; |
424 | p->current->state = TYPE_RUNNING; | |
10274989 AV |
425 | } |
426 | ||
427 | if (prev_p->current) { | |
428 | prev_p->current->state = TYPE_NONE; | |
429 | prev_p->current->state_since = timestamp; | |
3ed0d21e | 430 | if (prev_state & 2) |
10274989 | 431 | prev_p->current->state = TYPE_BLOCKED; |
3ed0d21e | 432 | if (prev_state == 0) |
10274989 AV |
433 | prev_p->current->state = TYPE_WAITING; |
434 | } | |
435 | } | |
436 | ||
6f8d67fa SF |
437 | static const char *cat_backtrace(union perf_event *event, |
438 | struct perf_sample *sample, | |
439 | struct machine *machine) | |
440 | { | |
441 | struct addr_location al; | |
442 | unsigned int i; | |
443 | char *p = NULL; | |
444 | size_t p_len; | |
445 | u8 cpumode = PERF_RECORD_MISC_USER; | |
446 | struct addr_location tal; | |
447 | struct ip_callchain *chain = sample->callchain; | |
448 | FILE *f = open_memstream(&p, &p_len); | |
449 | ||
450 | if (!f) { | |
451 | perror("open_memstream error"); | |
452 | return NULL; | |
453 | } | |
454 | ||
455 | if (!chain) | |
456 | goto exit; | |
457 | ||
458 | if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { | |
459 | fprintf(stderr, "problem processing %d event, skipping it.\n", | |
460 | event->header.type); | |
461 | goto exit; | |
462 | } | |
463 | ||
464 | for (i = 0; i < chain->nr; i++) { | |
465 | u64 ip; | |
466 | ||
467 | if (callchain_param.order == ORDER_CALLEE) | |
468 | ip = chain->ips[i]; | |
469 | else | |
470 | ip = chain->ips[chain->nr - i - 1]; | |
471 | ||
472 | if (ip >= PERF_CONTEXT_MAX) { | |
473 | switch (ip) { | |
474 | case PERF_CONTEXT_HV: | |
475 | cpumode = PERF_RECORD_MISC_HYPERVISOR; | |
476 | break; | |
477 | case PERF_CONTEXT_KERNEL: | |
478 | cpumode = PERF_RECORD_MISC_KERNEL; | |
479 | break; | |
480 | case PERF_CONTEXT_USER: | |
481 | cpumode = PERF_RECORD_MISC_USER; | |
482 | break; | |
483 | default: | |
484 | pr_debug("invalid callchain context: " | |
485 | "%"PRId64"\n", (s64) ip); | |
486 | ||
487 | /* | |
488 | * It seems the callchain is corrupted. | |
489 | * Discard all. | |
490 | */ | |
04662523 | 491 | zfree(&p); |
6f8d67fa SF |
492 | goto exit; |
493 | } | |
494 | continue; | |
495 | } | |
496 | ||
497 | tal.filtered = false; | |
498 | thread__find_addr_location(al.thread, machine, cpumode, | |
499 | MAP__FUNCTION, ip, &tal); | |
500 | ||
501 | if (tal.sym) | |
502 | fprintf(f, "..... %016" PRIx64 " %s\n", ip, | |
503 | tal.sym->name); | |
504 | else | |
505 | fprintf(f, "..... %016" PRIx64 "\n", ip); | |
506 | } | |
507 | ||
508 | exit: | |
509 | fclose(f); | |
510 | ||
511 | return p; | |
512 | } | |
513 | ||
985b12e6 ACM |
514 | typedef int (*tracepoint_handler)(struct timechart *tchart, |
515 | struct perf_evsel *evsel, | |
6f8d67fa SF |
516 | struct perf_sample *sample, |
517 | const char *backtrace); | |
10274989 | 518 | |
985b12e6 | 519 | static int process_sample_event(struct perf_tool *tool, |
972ec653 | 520 | union perf_event *event, |
8d50e5b4 | 521 | struct perf_sample *sample, |
e3f42609 | 522 | struct perf_evsel *evsel, |
985b12e6 | 523 | struct machine *machine) |
10274989 | 524 | { |
985b12e6 ACM |
525 | struct timechart *tchart = container_of(tool, struct timechart, tool); |
526 | ||
e3f42609 | 527 | if (evsel->attr.sample_type & PERF_SAMPLE_TIME) { |
985b12e6 ACM |
528 | if (!tchart->first_time || tchart->first_time > sample->time) |
529 | tchart->first_time = sample->time; | |
530 | if (tchart->last_time < sample->time) | |
531 | tchart->last_time = sample->time; | |
10274989 | 532 | } |
180f95e2 | 533 | |
744a9719 ACM |
534 | if (evsel->handler != NULL) { |
535 | tracepoint_handler f = evsel->handler; | |
58b9a18e SF |
536 | return f(tchart, evsel, sample, |
537 | cat_backtrace(event, sample, machine)); | |
5936678e JO |
538 | } |
539 | ||
540 | return 0; | |
541 | } | |
542 | ||
543 | static int | |
985b12e6 ACM |
544 | process_sample_cpu_idle(struct timechart *tchart __maybe_unused, |
545 | struct perf_evsel *evsel, | |
6f8d67fa SF |
546 | struct perf_sample *sample, |
547 | const char *backtrace __maybe_unused) | |
5936678e | 548 | { |
3ed0d21e SF |
549 | u32 state = perf_evsel__intval(evsel, sample, "state"); |
550 | u32 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id"); | |
5936678e | 551 | |
3ed0d21e | 552 | if (state == (u32)PWR_EVENT_EXIT) |
66cc3ada | 553 | c_state_end(tchart, cpu_id, sample->time); |
5936678e | 554 | else |
3ed0d21e | 555 | c_state_start(cpu_id, sample->time, state); |
5936678e JO |
556 | return 0; |
557 | } | |
558 | ||
559 | static int | |
985b12e6 ACM |
560 | process_sample_cpu_frequency(struct timechart *tchart, |
561 | struct perf_evsel *evsel, | |
6f8d67fa SF |
562 | struct perf_sample *sample, |
563 | const char *backtrace __maybe_unused) | |
5936678e | 564 | { |
3ed0d21e SF |
565 | u32 state = perf_evsel__intval(evsel, sample, "state"); |
566 | u32 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id"); | |
5936678e | 567 | |
985b12e6 | 568 | p_state_change(tchart, cpu_id, sample->time, state); |
5936678e JO |
569 | return 0; |
570 | } | |
571 | ||
572 | static int | |
5e22f6d2 | 573 | process_sample_sched_wakeup(struct timechart *tchart, |
985b12e6 | 574 | struct perf_evsel *evsel, |
6f8d67fa SF |
575 | struct perf_sample *sample, |
576 | const char *backtrace) | |
5936678e | 577 | { |
3ed0d21e SF |
578 | u8 flags = perf_evsel__intval(evsel, sample, "common_flags"); |
579 | int waker = perf_evsel__intval(evsel, sample, "common_pid"); | |
580 | int wakee = perf_evsel__intval(evsel, sample, "pid"); | |
5936678e | 581 | |
5e22f6d2 | 582 | sched_wakeup(tchart, sample->cpu, sample->time, waker, wakee, flags, backtrace); |
5936678e JO |
583 | return 0; |
584 | } | |
10274989 | 585 | |
5936678e | 586 | static int |
5e22f6d2 | 587 | process_sample_sched_switch(struct timechart *tchart, |
985b12e6 | 588 | struct perf_evsel *evsel, |
6f8d67fa SF |
589 | struct perf_sample *sample, |
590 | const char *backtrace) | |
5936678e | 591 | { |
3ed0d21e SF |
592 | int prev_pid = perf_evsel__intval(evsel, sample, "prev_pid"); |
593 | int next_pid = perf_evsel__intval(evsel, sample, "next_pid"); | |
594 | u64 prev_state = perf_evsel__intval(evsel, sample, "prev_state"); | |
10274989 | 595 | |
5e22f6d2 ACM |
596 | sched_switch(tchart, sample->cpu, sample->time, prev_pid, next_pid, |
597 | prev_state, backtrace); | |
5936678e JO |
598 | return 0; |
599 | } | |
20c457b8 TR |
600 | |
601 | #ifdef SUPPORT_OLD_POWER_EVENTS | |
5936678e | 602 | static int |
985b12e6 ACM |
603 | process_sample_power_start(struct timechart *tchart __maybe_unused, |
604 | struct perf_evsel *evsel, | |
6f8d67fa SF |
605 | struct perf_sample *sample, |
606 | const char *backtrace __maybe_unused) | |
5936678e | 607 | { |
3ed0d21e SF |
608 | u64 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id"); |
609 | u64 value = perf_evsel__intval(evsel, sample, "value"); | |
5936678e | 610 | |
3ed0d21e | 611 | c_state_start(cpu_id, sample->time, value); |
5936678e JO |
612 | return 0; |
613 | } | |
614 | ||
615 | static int | |
66cc3ada | 616 | process_sample_power_end(struct timechart *tchart, |
985b12e6 | 617 | struct perf_evsel *evsel __maybe_unused, |
6f8d67fa SF |
618 | struct perf_sample *sample, |
619 | const char *backtrace __maybe_unused) | |
5936678e | 620 | { |
66cc3ada | 621 | c_state_end(tchart, sample->cpu, sample->time); |
5936678e JO |
622 | return 0; |
623 | } | |
624 | ||
625 | static int | |
985b12e6 ACM |
626 | process_sample_power_frequency(struct timechart *tchart, |
627 | struct perf_evsel *evsel, | |
6f8d67fa SF |
628 | struct perf_sample *sample, |
629 | const char *backtrace __maybe_unused) | |
5936678e | 630 | { |
3ed0d21e SF |
631 | u64 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id"); |
632 | u64 value = perf_evsel__intval(evsel, sample, "value"); | |
5936678e | 633 | |
985b12e6 | 634 | p_state_change(tchart, cpu_id, sample->time, value); |
10274989 AV |
635 | return 0; |
636 | } | |
5936678e | 637 | #endif /* SUPPORT_OLD_POWER_EVENTS */ |
10274989 AV |
638 | |
639 | /* | |
640 | * After the last sample we need to wrap up the current C/P state | |
641 | * and close out each CPU for these. | |
642 | */ | |
985b12e6 | 643 | static void end_sample_processing(struct timechart *tchart) |
10274989 AV |
644 | { |
645 | u64 cpu; | |
646 | struct power_event *pwr; | |
647 | ||
985b12e6 | 648 | for (cpu = 0; cpu <= tchart->numcpus; cpu++) { |
e0dcd6fb ACM |
649 | /* C state */ |
650 | #if 0 | |
651 | pwr = zalloc(sizeof(*pwr)); | |
10274989 AV |
652 | if (!pwr) |
653 | return; | |
10274989 | 654 | |
10274989 AV |
655 | pwr->state = cpus_cstate_state[cpu]; |
656 | pwr->start_time = cpus_cstate_start_times[cpu]; | |
985b12e6 | 657 | pwr->end_time = tchart->last_time; |
10274989 AV |
658 | pwr->cpu = cpu; |
659 | pwr->type = CSTATE; | |
66cc3ada | 660 | pwr->next = tchart->power_events; |
10274989 | 661 | |
66cc3ada | 662 | tchart->power_events = pwr; |
10274989 AV |
663 | #endif |
664 | /* P state */ | |
665 | ||
e0dcd6fb | 666 | pwr = zalloc(sizeof(*pwr)); |
10274989 AV |
667 | if (!pwr) |
668 | return; | |
10274989 AV |
669 | |
670 | pwr->state = cpus_pstate_state[cpu]; | |
671 | pwr->start_time = cpus_pstate_start_times[cpu]; | |
985b12e6 | 672 | pwr->end_time = tchart->last_time; |
10274989 AV |
673 | pwr->cpu = cpu; |
674 | pwr->type = PSTATE; | |
66cc3ada | 675 | pwr->next = tchart->power_events; |
10274989 AV |
676 | |
677 | if (!pwr->start_time) | |
985b12e6 | 678 | pwr->start_time = tchart->first_time; |
10274989 | 679 | if (!pwr->state) |
985b12e6 | 680 | pwr->state = tchart->min_freq; |
66cc3ada | 681 | tchart->power_events = pwr; |
10274989 AV |
682 | } |
683 | } | |
684 | ||
10274989 AV |
685 | /* |
686 | * Sort the pid datastructure | |
687 | */ | |
5e22f6d2 | 688 | static void sort_pids(struct timechart *tchart) |
10274989 AV |
689 | { |
690 | struct per_pid *new_list, *p, *cursor, *prev; | |
691 | /* sort by ppid first, then by pid, lowest to highest */ | |
692 | ||
693 | new_list = NULL; | |
694 | ||
5e22f6d2 ACM |
695 | while (tchart->all_data) { |
696 | p = tchart->all_data; | |
697 | tchart->all_data = p->next; | |
10274989 AV |
698 | p->next = NULL; |
699 | ||
700 | if (new_list == NULL) { | |
701 | new_list = p; | |
702 | p->next = NULL; | |
703 | continue; | |
704 | } | |
705 | prev = NULL; | |
706 | cursor = new_list; | |
707 | while (cursor) { | |
708 | if (cursor->ppid > p->ppid || | |
709 | (cursor->ppid == p->ppid && cursor->pid > p->pid)) { | |
710 | /* must insert before */ | |
711 | if (prev) { | |
712 | p->next = prev->next; | |
713 | prev->next = p; | |
714 | cursor = NULL; | |
715 | continue; | |
716 | } else { | |
717 | p->next = new_list; | |
718 | new_list = p; | |
719 | cursor = NULL; | |
720 | continue; | |
721 | } | |
722 | } | |
723 | ||
724 | prev = cursor; | |
725 | cursor = cursor->next; | |
726 | if (!cursor) | |
727 | prev->next = p; | |
728 | } | |
729 | } | |
5e22f6d2 | 730 | tchart->all_data = new_list; |
10274989 AV |
731 | } |
732 | ||
733 | ||
985b12e6 | 734 | static void draw_c_p_states(struct timechart *tchart) |
10274989 AV |
735 | { |
736 | struct power_event *pwr; | |
66cc3ada | 737 | pwr = tchart->power_events; |
10274989 AV |
738 | |
739 | /* | |
740 | * two pass drawing so that the P state bars are on top of the C state blocks | |
741 | */ | |
742 | while (pwr) { | |
743 | if (pwr->type == CSTATE) | |
744 | svg_cstate(pwr->cpu, pwr->start_time, pwr->end_time, pwr->state); | |
745 | pwr = pwr->next; | |
746 | } | |
747 | ||
66cc3ada | 748 | pwr = tchart->power_events; |
10274989 AV |
749 | while (pwr) { |
750 | if (pwr->type == PSTATE) { | |
751 | if (!pwr->state) | |
985b12e6 | 752 | pwr->state = tchart->min_freq; |
10274989 AV |
753 | svg_pstate(pwr->cpu, pwr->start_time, pwr->end_time, pwr->state); |
754 | } | |
755 | pwr = pwr->next; | |
756 | } | |
757 | } | |
758 | ||
5e22f6d2 | 759 | static void draw_wakeups(struct timechart *tchart) |
10274989 AV |
760 | { |
761 | struct wake_event *we; | |
762 | struct per_pid *p; | |
763 | struct per_pidcomm *c; | |
764 | ||
436b0da0 | 765 | we = tchart->wake_events; |
10274989 AV |
766 | while (we) { |
767 | int from = 0, to = 0; | |
4f1202c8 | 768 | char *task_from = NULL, *task_to = NULL; |
10274989 AV |
769 | |
770 | /* locate the column of the waker and wakee */ | |
5e22f6d2 | 771 | p = tchart->all_data; |
10274989 AV |
772 | while (p) { |
773 | if (p->pid == we->waker || p->pid == we->wakee) { | |
774 | c = p->all; | |
775 | while (c) { | |
776 | if (c->Y && c->start_time <= we->time && c->end_time >= we->time) { | |
bbe2987b | 777 | if (p->pid == we->waker && !from) { |
10274989 | 778 | from = c->Y; |
3bc2a39c | 779 | task_from = strdup(c->comm); |
4f1202c8 | 780 | } |
bbe2987b | 781 | if (p->pid == we->wakee && !to) { |
10274989 | 782 | to = c->Y; |
3bc2a39c | 783 | task_to = strdup(c->comm); |
4f1202c8 | 784 | } |
10274989 AV |
785 | } |
786 | c = c->next; | |
787 | } | |
3bc2a39c AV |
788 | c = p->all; |
789 | while (c) { | |
790 | if (p->pid == we->waker && !from) { | |
791 | from = c->Y; | |
792 | task_from = strdup(c->comm); | |
793 | } | |
794 | if (p->pid == we->wakee && !to) { | |
795 | to = c->Y; | |
796 | task_to = strdup(c->comm); | |
797 | } | |
798 | c = c->next; | |
799 | } | |
10274989 AV |
800 | } |
801 | p = p->next; | |
802 | } | |
803 | ||
3bc2a39c AV |
804 | if (!task_from) { |
805 | task_from = malloc(40); | |
806 | sprintf(task_from, "[%i]", we->waker); | |
807 | } | |
808 | if (!task_to) { | |
809 | task_to = malloc(40); | |
810 | sprintf(task_to, "[%i]", we->wakee); | |
811 | } | |
812 | ||
10274989 | 813 | if (we->waker == -1) |
6f8d67fa | 814 | svg_interrupt(we->time, to, we->backtrace); |
10274989 | 815 | else if (from && to && abs(from - to) == 1) |
6f8d67fa | 816 | svg_wakeline(we->time, from, to, we->backtrace); |
10274989 | 817 | else |
6f8d67fa SF |
818 | svg_partial_wakeline(we->time, from, task_from, to, |
819 | task_to, we->backtrace); | |
10274989 | 820 | we = we->next; |
3bc2a39c AV |
821 | |
822 | free(task_from); | |
823 | free(task_to); | |
10274989 AV |
824 | } |
825 | } | |
826 | ||
5e22f6d2 | 827 | static void draw_cpu_usage(struct timechart *tchart) |
10274989 AV |
828 | { |
829 | struct per_pid *p; | |
830 | struct per_pidcomm *c; | |
831 | struct cpu_sample *sample; | |
5e22f6d2 | 832 | p = tchart->all_data; |
10274989 AV |
833 | while (p) { |
834 | c = p->all; | |
835 | while (c) { | |
836 | sample = c->samples; | |
837 | while (sample) { | |
8b6dcca0 SF |
838 | if (sample->type == TYPE_RUNNING) { |
839 | svg_process(sample->cpu, | |
840 | sample->start_time, | |
841 | sample->end_time, | |
de996228 | 842 | p->pid, |
8b6dcca0 SF |
843 | c->comm, |
844 | sample->backtrace); | |
845 | } | |
10274989 AV |
846 | |
847 | sample = sample->next; | |
848 | } | |
849 | c = c->next; | |
850 | } | |
851 | p = p->next; | |
852 | } | |
853 | } | |
854 | ||
985b12e6 | 855 | static void draw_process_bars(struct timechart *tchart) |
10274989 AV |
856 | { |
857 | struct per_pid *p; | |
858 | struct per_pidcomm *c; | |
859 | struct cpu_sample *sample; | |
860 | int Y = 0; | |
861 | ||
985b12e6 | 862 | Y = 2 * tchart->numcpus + 2; |
10274989 | 863 | |
5e22f6d2 | 864 | p = tchart->all_data; |
10274989 AV |
865 | while (p) { |
866 | c = p->all; | |
867 | while (c) { | |
868 | if (!c->display) { | |
869 | c->Y = 0; | |
870 | c = c->next; | |
871 | continue; | |
872 | } | |
873 | ||
a92fe7b3 | 874 | svg_box(Y, c->start_time, c->end_time, "process"); |
10274989 AV |
875 | sample = c->samples; |
876 | while (sample) { | |
877 | if (sample->type == TYPE_RUNNING) | |
6f8d67fa SF |
878 | svg_running(Y, sample->cpu, |
879 | sample->start_time, | |
880 | sample->end_time, | |
881 | sample->backtrace); | |
10274989 | 882 | if (sample->type == TYPE_BLOCKED) |
6f8d67fa SF |
883 | svg_blocked(Y, sample->cpu, |
884 | sample->start_time, | |
885 | sample->end_time, | |
886 | sample->backtrace); | |
10274989 | 887 | if (sample->type == TYPE_WAITING) |
6f8d67fa SF |
888 | svg_waiting(Y, sample->cpu, |
889 | sample->start_time, | |
890 | sample->end_time, | |
891 | sample->backtrace); | |
10274989 AV |
892 | sample = sample->next; |
893 | } | |
894 | ||
895 | if (c->comm) { | |
896 | char comm[256]; | |
897 | if (c->total_time > 5000000000) /* 5 seconds */ | |
898 | sprintf(comm, "%s:%i (%2.2fs)", c->comm, p->pid, c->total_time / 1000000000.0); | |
899 | else | |
900 | sprintf(comm, "%s:%i (%3.1fms)", c->comm, p->pid, c->total_time / 1000000.0); | |
901 | ||
902 | svg_text(Y, c->start_time, comm); | |
903 | } | |
904 | c->Y = Y; | |
905 | Y++; | |
906 | c = c->next; | |
907 | } | |
908 | p = p->next; | |
909 | } | |
910 | } | |
911 | ||
bbe2987b AV |
912 | static void add_process_filter(const char *string) |
913 | { | |
e0dcd6fb ACM |
914 | int pid = strtoull(string, NULL, 10); |
915 | struct process_filter *filt = malloc(sizeof(*filt)); | |
bbe2987b | 916 | |
bbe2987b AV |
917 | if (!filt) |
918 | return; | |
919 | ||
920 | filt->name = strdup(string); | |
921 | filt->pid = pid; | |
922 | filt->next = process_filter; | |
923 | ||
924 | process_filter = filt; | |
925 | } | |
926 | ||
927 | static int passes_filter(struct per_pid *p, struct per_pidcomm *c) | |
928 | { | |
929 | struct process_filter *filt; | |
930 | if (!process_filter) | |
931 | return 1; | |
932 | ||
933 | filt = process_filter; | |
934 | while (filt) { | |
935 | if (filt->pid && p->pid == filt->pid) | |
936 | return 1; | |
937 | if (strcmp(filt->name, c->comm) == 0) | |
938 | return 1; | |
939 | filt = filt->next; | |
940 | } | |
941 | return 0; | |
942 | } | |
943 | ||
985b12e6 | 944 | static int determine_display_tasks_filtered(struct timechart *tchart) |
bbe2987b AV |
945 | { |
946 | struct per_pid *p; | |
947 | struct per_pidcomm *c; | |
948 | int count = 0; | |
949 | ||
5e22f6d2 | 950 | p = tchart->all_data; |
bbe2987b AV |
951 | while (p) { |
952 | p->display = 0; | |
953 | if (p->start_time == 1) | |
985b12e6 | 954 | p->start_time = tchart->first_time; |
bbe2987b AV |
955 | |
956 | /* no exit marker, task kept running to the end */ | |
957 | if (p->end_time == 0) | |
985b12e6 | 958 | p->end_time = tchart->last_time; |
bbe2987b AV |
959 | |
960 | c = p->all; | |
961 | ||
962 | while (c) { | |
963 | c->display = 0; | |
964 | ||
965 | if (c->start_time == 1) | |
985b12e6 | 966 | c->start_time = tchart->first_time; |
bbe2987b AV |
967 | |
968 | if (passes_filter(p, c)) { | |
969 | c->display = 1; | |
970 | p->display = 1; | |
971 | count++; | |
972 | } | |
973 | ||
974 | if (c->end_time == 0) | |
985b12e6 | 975 | c->end_time = tchart->last_time; |
bbe2987b AV |
976 | |
977 | c = c->next; | |
978 | } | |
979 | p = p->next; | |
980 | } | |
981 | return count; | |
982 | } | |
983 | ||
985b12e6 | 984 | static int determine_display_tasks(struct timechart *tchart, u64 threshold) |
10274989 AV |
985 | { |
986 | struct per_pid *p; | |
987 | struct per_pidcomm *c; | |
988 | int count = 0; | |
989 | ||
bbe2987b | 990 | if (process_filter) |
985b12e6 | 991 | return determine_display_tasks_filtered(tchart); |
bbe2987b | 992 | |
5e22f6d2 | 993 | p = tchart->all_data; |
10274989 AV |
994 | while (p) { |
995 | p->display = 0; | |
996 | if (p->start_time == 1) | |
985b12e6 | 997 | p->start_time = tchart->first_time; |
10274989 AV |
998 | |
999 | /* no exit marker, task kept running to the end */ | |
1000 | if (p->end_time == 0) | |
985b12e6 | 1001 | p->end_time = tchart->last_time; |
753c505d | 1002 | if (p->total_time >= threshold) |
10274989 AV |
1003 | p->display = 1; |
1004 | ||
1005 | c = p->all; | |
1006 | ||
1007 | while (c) { | |
1008 | c->display = 0; | |
1009 | ||
1010 | if (c->start_time == 1) | |
985b12e6 | 1011 | c->start_time = tchart->first_time; |
10274989 | 1012 | |
753c505d | 1013 | if (c->total_time >= threshold) { |
10274989 AV |
1014 | c->display = 1; |
1015 | count++; | |
1016 | } | |
1017 | ||
1018 | if (c->end_time == 0) | |
985b12e6 | 1019 | c->end_time = tchart->last_time; |
10274989 AV |
1020 | |
1021 | c = c->next; | |
1022 | } | |
1023 | p = p->next; | |
1024 | } | |
1025 | return count; | |
1026 | } | |
1027 | ||
1028 | ||
1029 | ||
1030 | #define TIME_THRESH 10000000 | |
1031 | ||
985b12e6 | 1032 | static void write_svg_file(struct timechart *tchart, const char *filename) |
10274989 AV |
1033 | { |
1034 | u64 i; | |
1035 | int count; | |
0a8eb275 | 1036 | int thresh = TIME_THRESH; |
10274989 | 1037 | |
985b12e6 ACM |
1038 | if (tchart->power_only) |
1039 | tchart->proc_num = 0; | |
10274989 | 1040 | |
0a8eb275 SF |
1041 | /* We'd like to show at least proc_num tasks; |
1042 | * be less picky if we have fewer */ | |
1043 | do { | |
985b12e6 | 1044 | count = determine_display_tasks(tchart, thresh); |
0a8eb275 | 1045 | thresh /= 10; |
985b12e6 | 1046 | } while (!process_filter && thresh && count < tchart->proc_num); |
10274989 | 1047 | |
3415d8b8 SF |
1048 | if (!tchart->proc_num) |
1049 | count = 0; | |
1050 | ||
985b12e6 | 1051 | open_svg(filename, tchart->numcpus, count, tchart->first_time, tchart->last_time); |
10274989 | 1052 | |
5094b655 | 1053 | svg_time_grid(); |
10274989 AV |
1054 | svg_legenda(); |
1055 | ||
985b12e6 ACM |
1056 | for (i = 0; i < tchart->numcpus; i++) |
1057 | svg_cpu_box(i, tchart->max_freq, tchart->turbo_frequency); | |
10274989 | 1058 | |
5e22f6d2 | 1059 | draw_cpu_usage(tchart); |
985b12e6 ACM |
1060 | if (tchart->proc_num) |
1061 | draw_process_bars(tchart); | |
1062 | if (!tchart->tasks_only) | |
1063 | draw_c_p_states(tchart); | |
1064 | if (tchart->proc_num) | |
5e22f6d2 | 1065 | draw_wakeups(tchart); |
10274989 AV |
1066 | |
1067 | svg_close(); | |
1068 | } | |
1069 | ||
58b9a18e SF |
1070 | static int process_header(struct perf_file_section *section __maybe_unused, |
1071 | struct perf_header *ph, | |
1072 | int feat, | |
1073 | int fd __maybe_unused, | |
1074 | void *data) | |
1075 | { | |
1076 | struct timechart *tchart = data; | |
1077 | ||
1078 | switch (feat) { | |
1079 | case HEADER_NRCPUS: | |
1080 | tchart->numcpus = ph->env.nr_cpus_avail; | |
1081 | break; | |
c5079997 SF |
1082 | |
1083 | case HEADER_CPU_TOPOLOGY: | |
1084 | if (!tchart->topology) | |
1085 | break; | |
1086 | ||
1087 | if (svg_build_topology_map(ph->env.sibling_cores, | |
1088 | ph->env.nr_sibling_cores, | |
1089 | ph->env.sibling_threads, | |
1090 | ph->env.nr_sibling_threads)) | |
1091 | fprintf(stderr, "problem building topology\n"); | |
1092 | break; | |
1093 | ||
58b9a18e SF |
1094 | default: |
1095 | break; | |
1096 | } | |
1097 | ||
1098 | return 0; | |
1099 | } | |
1100 | ||
985b12e6 | 1101 | static int __cmd_timechart(struct timechart *tchart, const char *output_name) |
5cbd0805 | 1102 | { |
5936678e JO |
1103 | const struct perf_evsel_str_handler power_tracepoints[] = { |
1104 | { "power:cpu_idle", process_sample_cpu_idle }, | |
1105 | { "power:cpu_frequency", process_sample_cpu_frequency }, | |
1106 | { "sched:sched_wakeup", process_sample_sched_wakeup }, | |
1107 | { "sched:sched_switch", process_sample_sched_switch }, | |
1108 | #ifdef SUPPORT_OLD_POWER_EVENTS | |
1109 | { "power:power_start", process_sample_power_start }, | |
1110 | { "power:power_end", process_sample_power_end }, | |
1111 | { "power:power_frequency", process_sample_power_frequency }, | |
1112 | #endif | |
1113 | }; | |
f5fc1412 JO |
1114 | struct perf_data_file file = { |
1115 | .path = input_name, | |
1116 | .mode = PERF_DATA_MODE_READ, | |
1117 | }; | |
1118 | ||
1119 | struct perf_session *session = perf_session__new(&file, false, | |
985b12e6 | 1120 | &tchart->tool); |
d549c769 | 1121 | int ret = -EINVAL; |
10274989 | 1122 | |
94c744b6 ACM |
1123 | if (session == NULL) |
1124 | return -ENOMEM; | |
1125 | ||
58b9a18e SF |
1126 | (void)perf_header__process_sections(&session->header, |
1127 | perf_data_file__fd(session->file), | |
1128 | tchart, | |
1129 | process_header); | |
1130 | ||
d549c769 ACM |
1131 | if (!perf_session__has_traces(session, "timechart record")) |
1132 | goto out_delete; | |
1133 | ||
5936678e JO |
1134 | if (perf_session__set_tracepoints_handlers(session, |
1135 | power_tracepoints)) { | |
1136 | pr_err("Initializing session tracepoint handlers failed\n"); | |
1137 | goto out_delete; | |
1138 | } | |
1139 | ||
985b12e6 | 1140 | ret = perf_session__process_events(session, &tchart->tool); |
5cbd0805 | 1141 | if (ret) |
94c744b6 | 1142 | goto out_delete; |
10274989 | 1143 | |
985b12e6 | 1144 | end_sample_processing(tchart); |
10274989 | 1145 | |
5e22f6d2 | 1146 | sort_pids(tchart); |
10274989 | 1147 | |
985b12e6 | 1148 | write_svg_file(tchart, output_name); |
10274989 | 1149 | |
6beba7ad | 1150 | pr_info("Written %2.1f seconds of trace to %s.\n", |
985b12e6 | 1151 | (tchart->last_time - tchart->first_time) / 1000000000.0, output_name); |
94c744b6 ACM |
1152 | out_delete: |
1153 | perf_session__delete(session); | |
1154 | return ret; | |
10274989 AV |
1155 | } |
1156 | ||
985b12e6 | 1157 | static int timechart__record(struct timechart *tchart, int argc, const char **argv) |
3c09eebd | 1158 | { |
367b3152 SF |
1159 | unsigned int rec_argc, i, j; |
1160 | const char **rec_argv; | |
1161 | const char **p; | |
1162 | unsigned int record_elems; | |
1163 | ||
1164 | const char * const common_args[] = { | |
4a4d371a | 1165 | "record", "-a", "-R", "-c", "1", |
367b3152 SF |
1166 | }; |
1167 | unsigned int common_args_nr = ARRAY_SIZE(common_args); | |
1168 | ||
6f8d67fa SF |
1169 | const char * const backtrace_args[] = { |
1170 | "-g", | |
1171 | }; | |
1172 | unsigned int backtrace_args_no = ARRAY_SIZE(backtrace_args); | |
1173 | ||
367b3152 SF |
1174 | const char * const power_args[] = { |
1175 | "-e", "power:cpu_frequency", | |
1176 | "-e", "power:cpu_idle", | |
1177 | }; | |
1178 | unsigned int power_args_nr = ARRAY_SIZE(power_args); | |
1179 | ||
1180 | const char * const old_power_args[] = { | |
1181 | #ifdef SUPPORT_OLD_POWER_EVENTS | |
73bdc715 ACM |
1182 | "-e", "power:power_start", |
1183 | "-e", "power:power_end", | |
1184 | "-e", "power:power_frequency", | |
73bdc715 | 1185 | #endif |
367b3152 SF |
1186 | }; |
1187 | unsigned int old_power_args_nr = ARRAY_SIZE(old_power_args); | |
1188 | ||
1189 | const char * const tasks_args[] = { | |
73bdc715 ACM |
1190 | "-e", "sched:sched_wakeup", |
1191 | "-e", "sched:sched_switch", | |
1192 | }; | |
367b3152 | 1193 | unsigned int tasks_args_nr = ARRAY_SIZE(tasks_args); |
20c457b8 TR |
1194 | |
1195 | #ifdef SUPPORT_OLD_POWER_EVENTS | |
1196 | if (!is_valid_tracepoint("power:cpu_idle") && | |
1197 | is_valid_tracepoint("power:power_start")) { | |
1198 | use_old_power_events = 1; | |
367b3152 SF |
1199 | power_args_nr = 0; |
1200 | } else { | |
1201 | old_power_args_nr = 0; | |
20c457b8 TR |
1202 | } |
1203 | #endif | |
3c09eebd | 1204 | |
985b12e6 | 1205 | if (tchart->power_only) |
367b3152 SF |
1206 | tasks_args_nr = 0; |
1207 | ||
985b12e6 | 1208 | if (tchart->tasks_only) { |
367b3152 SF |
1209 | power_args_nr = 0; |
1210 | old_power_args_nr = 0; | |
1211 | } | |
1212 | ||
985b12e6 | 1213 | if (!tchart->with_backtrace) |
6f8d67fa SF |
1214 | backtrace_args_no = 0; |
1215 | ||
367b3152 | 1216 | record_elems = common_args_nr + tasks_args_nr + |
6f8d67fa | 1217 | power_args_nr + old_power_args_nr + backtrace_args_no; |
367b3152 SF |
1218 | |
1219 | rec_argc = record_elems + argc; | |
3c09eebd AV |
1220 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
1221 | ||
ce47dc56 CS |
1222 | if (rec_argv == NULL) |
1223 | return -ENOMEM; | |
1224 | ||
367b3152 SF |
1225 | p = rec_argv; |
1226 | for (i = 0; i < common_args_nr; i++) | |
1227 | *p++ = strdup(common_args[i]); | |
1228 | ||
6f8d67fa SF |
1229 | for (i = 0; i < backtrace_args_no; i++) |
1230 | *p++ = strdup(backtrace_args[i]); | |
1231 | ||
367b3152 SF |
1232 | for (i = 0; i < tasks_args_nr; i++) |
1233 | *p++ = strdup(tasks_args[i]); | |
1234 | ||
1235 | for (i = 0; i < power_args_nr; i++) | |
1236 | *p++ = strdup(power_args[i]); | |
3c09eebd | 1237 | |
367b3152 SF |
1238 | for (i = 0; i < old_power_args_nr; i++) |
1239 | *p++ = strdup(old_power_args[i]); | |
3c09eebd | 1240 | |
367b3152 SF |
1241 | for (j = 1; j < (unsigned int)argc; j++) |
1242 | *p++ = argv[j]; | |
1243 | ||
1244 | return cmd_record(rec_argc, rec_argv, NULL); | |
3c09eebd AV |
1245 | } |
1246 | ||
bbe2987b | 1247 | static int |
1d037ca1 IT |
1248 | parse_process(const struct option *opt __maybe_unused, const char *arg, |
1249 | int __maybe_unused unset) | |
bbe2987b AV |
1250 | { |
1251 | if (arg) | |
1252 | add_process_filter(arg); | |
1253 | return 0; | |
1254 | } | |
1255 | ||
e57a2dff SF |
1256 | static int |
1257 | parse_highlight(const struct option *opt __maybe_unused, const char *arg, | |
1258 | int __maybe_unused unset) | |
1259 | { | |
1260 | unsigned long duration = strtoul(arg, NULL, 0); | |
1261 | ||
1262 | if (svg_highlight || svg_highlight_name) | |
1263 | return -1; | |
1264 | ||
1265 | if (duration) | |
1266 | svg_highlight = duration; | |
1267 | else | |
1268 | svg_highlight_name = strdup(arg); | |
1269 | ||
1270 | return 0; | |
1271 | } | |
1272 | ||
73bdc715 ACM |
1273 | int cmd_timechart(int argc, const char **argv, |
1274 | const char *prefix __maybe_unused) | |
1275 | { | |
985b12e6 ACM |
1276 | struct timechart tchart = { |
1277 | .tool = { | |
1278 | .comm = process_comm_event, | |
1279 | .fork = process_fork_event, | |
1280 | .exit = process_exit_event, | |
1281 | .sample = process_sample_event, | |
1282 | .ordered_samples = true, | |
1283 | }, | |
1284 | .proc_num = 15, | |
1285 | }; | |
73bdc715 | 1286 | const char *output_name = "output.svg"; |
367b3152 | 1287 | const struct option timechart_options[] = { |
73bdc715 ACM |
1288 | OPT_STRING('i', "input", &input_name, "file", "input file name"), |
1289 | OPT_STRING('o', "output", &output_name, "file", "output file name"), | |
1290 | OPT_INTEGER('w', "width", &svg_page_width, "page width"), | |
e57a2dff SF |
1291 | OPT_CALLBACK(0, "highlight", NULL, "duration or task name", |
1292 | "highlight tasks. Pass duration in ns or process name.", | |
1293 | parse_highlight), | |
985b12e6 ACM |
1294 | OPT_BOOLEAN('P', "power-only", &tchart.power_only, "output power data only"), |
1295 | OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only, | |
c87097d3 | 1296 | "output processes data only"), |
bbe2987b AV |
1297 | OPT_CALLBACK('p', "process", NULL, "process", |
1298 | "process selector. Pass a pid or process name.", | |
1299 | parse_process), | |
ec5761ea DA |
1300 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", |
1301 | "Look for files with symbols relative to this directory"), | |
985b12e6 | 1302 | OPT_INTEGER('n', "proc-num", &tchart.proc_num, |
54874e32 | 1303 | "min. number of tasks to print"), |
c5079997 SF |
1304 | OPT_BOOLEAN('t', "topology", &tchart.topology, |
1305 | "sort CPUs according to topology"), | |
10274989 | 1306 | OPT_END() |
73bdc715 ACM |
1307 | }; |
1308 | const char * const timechart_usage[] = { | |
1309 | "perf timechart [<options>] {record}", | |
1310 | NULL | |
1311 | }; | |
10274989 | 1312 | |
367b3152 | 1313 | const struct option record_options[] = { |
985b12e6 ACM |
1314 | OPT_BOOLEAN('P', "power-only", &tchart.power_only, "output power data only"), |
1315 | OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only, | |
367b3152 | 1316 | "output processes data only"), |
985b12e6 | 1317 | OPT_BOOLEAN('g', "callchain", &tchart.with_backtrace, "record callchain"), |
367b3152 SF |
1318 | OPT_END() |
1319 | }; | |
1320 | const char * const record_usage[] = { | |
1321 | "perf timechart record [<options>]", | |
1322 | NULL | |
1323 | }; | |
1324 | argc = parse_options(argc, argv, timechart_options, timechart_usage, | |
3c09eebd | 1325 | PARSE_OPT_STOP_AT_NON_OPTION); |
10274989 | 1326 | |
985b12e6 | 1327 | if (tchart.power_only && tchart.tasks_only) { |
c87097d3 SF |
1328 | pr_err("-P and -T options cannot be used at the same time.\n"); |
1329 | return -1; | |
1330 | } | |
1331 | ||
655000e7 ACM |
1332 | symbol__init(); |
1333 | ||
367b3152 SF |
1334 | if (argc && !strncmp(argv[0], "rec", 3)) { |
1335 | argc = parse_options(argc, argv, record_options, record_usage, | |
1336 | PARSE_OPT_STOP_AT_NON_OPTION); | |
1337 | ||
985b12e6 | 1338 | if (tchart.power_only && tchart.tasks_only) { |
367b3152 SF |
1339 | pr_err("-P and -T options cannot be used at the same time.\n"); |
1340 | return -1; | |
1341 | } | |
1342 | ||
985b12e6 | 1343 | return timechart__record(&tchart, argc, argv); |
367b3152 SF |
1344 | } else if (argc) |
1345 | usage_with_options(timechart_usage, timechart_options); | |
10274989 AV |
1346 | |
1347 | setup_pager(); | |
1348 | ||
985b12e6 | 1349 | return __cmd_timechart(&tchart, output_name); |
10274989 | 1350 | } |