Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 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 | |
| 15 | #include "builtin.h" |
| 16 | |
| 17 | #include "util/util.h" |
| 18 | |
| 19 | #include "util/color.h" |
| 20 | #include <linux/list.h> |
| 21 | #include "util/cache.h" |
| 22 | #include <linux/rbtree.h> |
| 23 | #include "util/symbol.h" |
| 24 | #include "util/string.h" |
| 25 | #include "util/callchain.h" |
| 26 | #include "util/strlist.h" |
| 27 | |
| 28 | #include "perf.h" |
| 29 | #include "util/header.h" |
| 30 | #include "util/parse-options.h" |
| 31 | #include "util/parse-events.h" |
Li Zefan | 5cbd080 | 2009-12-01 14:05:16 +0800 | [diff] [blame] | 32 | #include "util/event.h" |
Arnaldo Carvalho de Melo | 301a0b0 | 2009-12-13 19:50:25 -0200 | [diff] [blame] | 33 | #include "util/session.h" |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 34 | #include "util/svghelper.h" |
| 35 | |
| 36 | static char const *input_name = "perf.data"; |
| 37 | static char const *output_name = "output.svg"; |
| 38 | |
| 39 | |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 40 | static u64 sample_type; |
| 41 | |
| 42 | static unsigned int numcpus; |
| 43 | static u64 min_freq; /* Lowest CPU frequency seen */ |
| 44 | static u64 max_freq; /* Highest CPU frequency seen */ |
| 45 | static u64 turbo_frequency; |
| 46 | |
| 47 | static u64 first_time, last_time; |
| 48 | |
Arjan van de Ven | 39a90a8 | 2009-09-24 15:40:13 +0200 | [diff] [blame] | 49 | static int power_only; |
| 50 | |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 51 | |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 52 | struct per_pid; |
| 53 | struct per_pidcomm; |
| 54 | |
| 55 | struct cpu_sample; |
| 56 | struct power_event; |
| 57 | struct wake_event; |
| 58 | |
| 59 | struct sample_wrapper; |
| 60 | |
| 61 | /* |
| 62 | * Datastructure layout: |
| 63 | * We keep an list of "pid"s, matching the kernels notion of a task struct. |
| 64 | * Each "pid" entry, has a list of "comm"s. |
| 65 | * this is because we want to track different programs different, while |
| 66 | * exec will reuse the original pid (by design). |
| 67 | * Each comm has a list of samples that will be used to draw |
| 68 | * final graph. |
| 69 | */ |
| 70 | |
| 71 | struct per_pid { |
| 72 | struct per_pid *next; |
| 73 | |
| 74 | int pid; |
| 75 | int ppid; |
| 76 | |
| 77 | u64 start_time; |
| 78 | u64 end_time; |
| 79 | u64 total_time; |
| 80 | int display; |
| 81 | |
| 82 | struct per_pidcomm *all; |
| 83 | struct per_pidcomm *current; |
| 84 | |
| 85 | int painted; |
| 86 | }; |
| 87 | |
| 88 | |
| 89 | struct per_pidcomm { |
| 90 | struct per_pidcomm *next; |
| 91 | |
| 92 | u64 start_time; |
| 93 | u64 end_time; |
| 94 | u64 total_time; |
| 95 | |
| 96 | int Y; |
| 97 | int display; |
| 98 | |
| 99 | long state; |
| 100 | u64 state_since; |
| 101 | |
| 102 | char *comm; |
| 103 | |
| 104 | struct cpu_sample *samples; |
| 105 | }; |
| 106 | |
| 107 | struct sample_wrapper { |
| 108 | struct sample_wrapper *next; |
| 109 | |
| 110 | u64 timestamp; |
| 111 | unsigned char data[0]; |
| 112 | }; |
| 113 | |
| 114 | #define TYPE_NONE 0 |
| 115 | #define TYPE_RUNNING 1 |
| 116 | #define TYPE_WAITING 2 |
| 117 | #define TYPE_BLOCKED 3 |
| 118 | |
| 119 | struct cpu_sample { |
| 120 | struct cpu_sample *next; |
| 121 | |
| 122 | u64 start_time; |
| 123 | u64 end_time; |
| 124 | int type; |
| 125 | int cpu; |
| 126 | }; |
| 127 | |
| 128 | static struct per_pid *all_data; |
| 129 | |
| 130 | #define CSTATE 1 |
| 131 | #define PSTATE 2 |
| 132 | |
| 133 | struct power_event { |
| 134 | struct power_event *next; |
| 135 | int type; |
| 136 | int state; |
| 137 | u64 start_time; |
| 138 | u64 end_time; |
| 139 | int cpu; |
| 140 | }; |
| 141 | |
| 142 | struct wake_event { |
| 143 | struct wake_event *next; |
| 144 | int waker; |
| 145 | int wakee; |
| 146 | u64 time; |
| 147 | }; |
| 148 | |
| 149 | static struct power_event *power_events; |
| 150 | static struct wake_event *wake_events; |
| 151 | |
| 152 | struct sample_wrapper *all_samples; |
| 153 | |
Arjan van de Ven | bbe2987 | 2009-10-20 07:09:39 +0900 | [diff] [blame] | 154 | |
| 155 | struct process_filter; |
| 156 | struct process_filter { |
Li Zefan | 5cbd080 | 2009-12-01 14:05:16 +0800 | [diff] [blame] | 157 | char *name; |
| 158 | int pid; |
| 159 | struct process_filter *next; |
Arjan van de Ven | bbe2987 | 2009-10-20 07:09:39 +0900 | [diff] [blame] | 160 | }; |
| 161 | |
| 162 | static struct process_filter *process_filter; |
| 163 | |
| 164 | |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 165 | static struct per_pid *find_create_pid(int pid) |
| 166 | { |
| 167 | struct per_pid *cursor = all_data; |
| 168 | |
| 169 | while (cursor) { |
| 170 | if (cursor->pid == pid) |
| 171 | return cursor; |
| 172 | cursor = cursor->next; |
| 173 | } |
| 174 | cursor = malloc(sizeof(struct per_pid)); |
| 175 | assert(cursor != NULL); |
| 176 | memset(cursor, 0, sizeof(struct per_pid)); |
| 177 | cursor->pid = pid; |
| 178 | cursor->next = all_data; |
| 179 | all_data = cursor; |
| 180 | return cursor; |
| 181 | } |
| 182 | |
| 183 | static void pid_set_comm(int pid, char *comm) |
| 184 | { |
| 185 | struct per_pid *p; |
| 186 | struct per_pidcomm *c; |
| 187 | p = find_create_pid(pid); |
| 188 | c = p->all; |
| 189 | while (c) { |
| 190 | if (c->comm && strcmp(c->comm, comm) == 0) { |
| 191 | p->current = c; |
| 192 | return; |
| 193 | } |
| 194 | if (!c->comm) { |
| 195 | c->comm = strdup(comm); |
| 196 | p->current = c; |
| 197 | return; |
| 198 | } |
| 199 | c = c->next; |
| 200 | } |
| 201 | c = malloc(sizeof(struct per_pidcomm)); |
| 202 | assert(c != NULL); |
| 203 | memset(c, 0, sizeof(struct per_pidcomm)); |
| 204 | c->comm = strdup(comm); |
| 205 | p->current = c; |
| 206 | c->next = p->all; |
| 207 | p->all = c; |
| 208 | } |
| 209 | |
| 210 | static void pid_fork(int pid, int ppid, u64 timestamp) |
| 211 | { |
| 212 | struct per_pid *p, *pp; |
| 213 | p = find_create_pid(pid); |
| 214 | pp = find_create_pid(ppid); |
| 215 | p->ppid = ppid; |
| 216 | if (pp->current && pp->current->comm && !p->current) |
| 217 | pid_set_comm(pid, pp->current->comm); |
| 218 | |
| 219 | p->start_time = timestamp; |
| 220 | if (p->current) { |
| 221 | p->current->start_time = timestamp; |
| 222 | p->current->state_since = timestamp; |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | static void pid_exit(int pid, u64 timestamp) |
| 227 | { |
| 228 | struct per_pid *p; |
| 229 | p = find_create_pid(pid); |
| 230 | p->end_time = timestamp; |
| 231 | if (p->current) |
| 232 | p->current->end_time = timestamp; |
| 233 | } |
| 234 | |
| 235 | static void |
| 236 | pid_put_sample(int pid, int type, unsigned int cpu, u64 start, u64 end) |
| 237 | { |
| 238 | struct per_pid *p; |
| 239 | struct per_pidcomm *c; |
| 240 | struct cpu_sample *sample; |
| 241 | |
| 242 | p = find_create_pid(pid); |
| 243 | c = p->current; |
| 244 | if (!c) { |
| 245 | c = malloc(sizeof(struct per_pidcomm)); |
| 246 | assert(c != NULL); |
| 247 | memset(c, 0, sizeof(struct per_pidcomm)); |
| 248 | p->current = c; |
| 249 | c->next = p->all; |
| 250 | p->all = c; |
| 251 | } |
| 252 | |
| 253 | sample = malloc(sizeof(struct cpu_sample)); |
| 254 | assert(sample != NULL); |
| 255 | memset(sample, 0, sizeof(struct cpu_sample)); |
| 256 | sample->start_time = start; |
| 257 | sample->end_time = end; |
| 258 | sample->type = type; |
| 259 | sample->next = c->samples; |
| 260 | sample->cpu = cpu; |
| 261 | c->samples = sample; |
| 262 | |
| 263 | if (sample->type == TYPE_RUNNING && end > start && start > 0) { |
| 264 | c->total_time += (end-start); |
| 265 | p->total_time += (end-start); |
| 266 | } |
| 267 | |
| 268 | if (c->start_time == 0 || c->start_time > start) |
| 269 | c->start_time = start; |
| 270 | if (p->start_time == 0 || p->start_time > start) |
| 271 | p->start_time = start; |
| 272 | |
| 273 | if (cpu > numcpus) |
| 274 | numcpus = cpu; |
| 275 | } |
| 276 | |
| 277 | #define MAX_CPUS 4096 |
| 278 | |
| 279 | static u64 cpus_cstate_start_times[MAX_CPUS]; |
| 280 | static int cpus_cstate_state[MAX_CPUS]; |
| 281 | static u64 cpus_pstate_start_times[MAX_CPUS]; |
| 282 | static u64 cpus_pstate_state[MAX_CPUS]; |
| 283 | |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 284 | static int process_comm_event(event_t *event, struct perf_session *session __used) |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 285 | { |
| 286 | pid_set_comm(event->comm.pid, event->comm.comm); |
| 287 | return 0; |
| 288 | } |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 289 | |
| 290 | static int process_fork_event(event_t *event, struct perf_session *session __used) |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 291 | { |
| 292 | pid_fork(event->fork.pid, event->fork.ppid, event->fork.time); |
| 293 | return 0; |
| 294 | } |
| 295 | |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 296 | static int process_exit_event(event_t *event, struct perf_session *session __used) |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 297 | { |
| 298 | pid_exit(event->fork.pid, event->fork.time); |
| 299 | return 0; |
| 300 | } |
| 301 | |
| 302 | struct trace_entry { |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 303 | unsigned short type; |
| 304 | unsigned char flags; |
| 305 | unsigned char preempt_count; |
| 306 | int pid; |
OGAWA Hirofumi | 028c515 | 2009-12-06 20:07:29 +0900 | [diff] [blame] | 307 | int lock_depth; |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 308 | }; |
| 309 | |
| 310 | struct power_entry { |
| 311 | struct trace_entry te; |
| 312 | s64 type; |
| 313 | s64 value; |
| 314 | }; |
| 315 | |
| 316 | #define TASK_COMM_LEN 16 |
| 317 | struct wakeup_entry { |
| 318 | struct trace_entry te; |
| 319 | char comm[TASK_COMM_LEN]; |
| 320 | int pid; |
| 321 | int prio; |
| 322 | int success; |
| 323 | }; |
| 324 | |
| 325 | /* |
| 326 | * trace_flag_type is an enumeration that holds different |
| 327 | * states when a trace occurs. These are: |
| 328 | * IRQS_OFF - interrupts were disabled |
| 329 | * IRQS_NOSUPPORT - arch does not support irqs_disabled_flags |
| 330 | * NEED_RESCED - reschedule is requested |
| 331 | * HARDIRQ - inside an interrupt handler |
| 332 | * SOFTIRQ - inside a softirq handler |
| 333 | */ |
| 334 | enum trace_flag_type { |
| 335 | TRACE_FLAG_IRQS_OFF = 0x01, |
| 336 | TRACE_FLAG_IRQS_NOSUPPORT = 0x02, |
| 337 | TRACE_FLAG_NEED_RESCHED = 0x04, |
| 338 | TRACE_FLAG_HARDIRQ = 0x08, |
| 339 | TRACE_FLAG_SOFTIRQ = 0x10, |
| 340 | }; |
| 341 | |
| 342 | |
| 343 | |
| 344 | struct sched_switch { |
| 345 | struct trace_entry te; |
| 346 | char prev_comm[TASK_COMM_LEN]; |
| 347 | int prev_pid; |
| 348 | int prev_prio; |
| 349 | long prev_state; /* Arjan weeps. */ |
| 350 | char next_comm[TASK_COMM_LEN]; |
| 351 | int next_pid; |
| 352 | int next_prio; |
| 353 | }; |
| 354 | |
| 355 | static void c_state_start(int cpu, u64 timestamp, int state) |
| 356 | { |
| 357 | cpus_cstate_start_times[cpu] = timestamp; |
| 358 | cpus_cstate_state[cpu] = state; |
| 359 | } |
| 360 | |
| 361 | static void c_state_end(int cpu, u64 timestamp) |
| 362 | { |
| 363 | struct power_event *pwr; |
| 364 | pwr = malloc(sizeof(struct power_event)); |
| 365 | if (!pwr) |
| 366 | return; |
| 367 | memset(pwr, 0, sizeof(struct power_event)); |
| 368 | |
| 369 | pwr->state = cpus_cstate_state[cpu]; |
| 370 | pwr->start_time = cpus_cstate_start_times[cpu]; |
| 371 | pwr->end_time = timestamp; |
| 372 | pwr->cpu = cpu; |
| 373 | pwr->type = CSTATE; |
| 374 | pwr->next = power_events; |
| 375 | |
| 376 | power_events = pwr; |
| 377 | } |
| 378 | |
| 379 | static void p_state_change(int cpu, u64 timestamp, u64 new_freq) |
| 380 | { |
| 381 | struct power_event *pwr; |
| 382 | pwr = malloc(sizeof(struct power_event)); |
| 383 | |
| 384 | if (new_freq > 8000000) /* detect invalid data */ |
| 385 | return; |
| 386 | |
| 387 | if (!pwr) |
| 388 | return; |
| 389 | memset(pwr, 0, sizeof(struct power_event)); |
| 390 | |
| 391 | pwr->state = cpus_pstate_state[cpu]; |
| 392 | pwr->start_time = cpus_pstate_start_times[cpu]; |
| 393 | pwr->end_time = timestamp; |
| 394 | pwr->cpu = cpu; |
| 395 | pwr->type = PSTATE; |
| 396 | pwr->next = power_events; |
| 397 | |
| 398 | if (!pwr->start_time) |
| 399 | pwr->start_time = first_time; |
| 400 | |
| 401 | power_events = pwr; |
| 402 | |
| 403 | cpus_pstate_state[cpu] = new_freq; |
| 404 | cpus_pstate_start_times[cpu] = timestamp; |
| 405 | |
| 406 | if ((u64)new_freq > max_freq) |
| 407 | max_freq = new_freq; |
| 408 | |
| 409 | if (new_freq < min_freq || min_freq == 0) |
| 410 | min_freq = new_freq; |
| 411 | |
| 412 | if (new_freq == max_freq - 1000) |
| 413 | turbo_frequency = max_freq; |
| 414 | } |
| 415 | |
| 416 | static void |
| 417 | sched_wakeup(int cpu, u64 timestamp, int pid, struct trace_entry *te) |
| 418 | { |
| 419 | struct wake_event *we; |
| 420 | struct per_pid *p; |
| 421 | struct wakeup_entry *wake = (void *)te; |
| 422 | |
| 423 | we = malloc(sizeof(struct wake_event)); |
| 424 | if (!we) |
| 425 | return; |
| 426 | |
| 427 | memset(we, 0, sizeof(struct wake_event)); |
| 428 | we->time = timestamp; |
| 429 | we->waker = pid; |
| 430 | |
| 431 | if ((te->flags & TRACE_FLAG_HARDIRQ) || (te->flags & TRACE_FLAG_SOFTIRQ)) |
| 432 | we->waker = -1; |
| 433 | |
| 434 | we->wakee = wake->pid; |
| 435 | we->next = wake_events; |
| 436 | wake_events = we; |
| 437 | p = find_create_pid(we->wakee); |
| 438 | |
| 439 | if (p && p->current && p->current->state == TYPE_NONE) { |
| 440 | p->current->state_since = timestamp; |
| 441 | p->current->state = TYPE_WAITING; |
| 442 | } |
| 443 | if (p && p->current && p->current->state == TYPE_BLOCKED) { |
| 444 | pid_put_sample(p->pid, p->current->state, cpu, p->current->state_since, timestamp); |
| 445 | p->current->state_since = timestamp; |
| 446 | p->current->state = TYPE_WAITING; |
| 447 | } |
| 448 | } |
| 449 | |
| 450 | static void sched_switch(int cpu, u64 timestamp, struct trace_entry *te) |
| 451 | { |
| 452 | struct per_pid *p = NULL, *prev_p; |
| 453 | struct sched_switch *sw = (void *)te; |
| 454 | |
| 455 | |
| 456 | prev_p = find_create_pid(sw->prev_pid); |
| 457 | |
| 458 | p = find_create_pid(sw->next_pid); |
| 459 | |
| 460 | if (prev_p->current && prev_p->current->state != TYPE_NONE) |
| 461 | pid_put_sample(sw->prev_pid, TYPE_RUNNING, cpu, prev_p->current->state_since, timestamp); |
| 462 | if (p && p->current) { |
| 463 | if (p->current->state != TYPE_NONE) |
| 464 | pid_put_sample(sw->next_pid, p->current->state, cpu, p->current->state_since, timestamp); |
| 465 | |
| 466 | p->current->state_since = timestamp; |
| 467 | p->current->state = TYPE_RUNNING; |
| 468 | } |
| 469 | |
| 470 | if (prev_p->current) { |
| 471 | prev_p->current->state = TYPE_NONE; |
| 472 | prev_p->current->state_since = timestamp; |
| 473 | if (sw->prev_state & 2) |
| 474 | prev_p->current->state = TYPE_BLOCKED; |
| 475 | if (sw->prev_state == 0) |
| 476 | prev_p->current->state = TYPE_WAITING; |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | |
| 481 | static int |
| 482 | process_sample_event(event_t *event) |
| 483 | { |
OGAWA Hirofumi | 180f95e | 2009-12-06 20:08:24 +0900 | [diff] [blame] | 484 | struct sample_data data; |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 485 | struct trace_entry *te; |
| 486 | |
OGAWA Hirofumi | 180f95e | 2009-12-06 20:08:24 +0900 | [diff] [blame] | 487 | memset(&data, 0, sizeof(data)); |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 488 | |
OGAWA Hirofumi | 180f95e | 2009-12-06 20:08:24 +0900 | [diff] [blame] | 489 | event__parse_sample(event, sample_type, &data); |
| 490 | |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 491 | if (sample_type & PERF_SAMPLE_TIME) { |
OGAWA Hirofumi | 180f95e | 2009-12-06 20:08:24 +0900 | [diff] [blame] | 492 | if (!first_time || first_time > data.time) |
| 493 | first_time = data.time; |
| 494 | if (last_time < data.time) |
| 495 | last_time = data.time; |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 496 | } |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 497 | |
OGAWA Hirofumi | 180f95e | 2009-12-06 20:08:24 +0900 | [diff] [blame] | 498 | te = (void *)data.raw_data; |
| 499 | if (sample_type & PERF_SAMPLE_RAW && data.raw_size > 0) { |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 500 | char *event_str; |
| 501 | struct power_entry *pe; |
| 502 | |
| 503 | pe = (void *)te; |
| 504 | |
| 505 | event_str = perf_header__find_event(te->type); |
| 506 | |
| 507 | if (!event_str) |
| 508 | return 0; |
| 509 | |
| 510 | if (strcmp(event_str, "power:power_start") == 0) |
OGAWA Hirofumi | 180f95e | 2009-12-06 20:08:24 +0900 | [diff] [blame] | 511 | c_state_start(data.cpu, data.time, pe->value); |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 512 | |
| 513 | if (strcmp(event_str, "power:power_end") == 0) |
OGAWA Hirofumi | 180f95e | 2009-12-06 20:08:24 +0900 | [diff] [blame] | 514 | c_state_end(data.cpu, data.time); |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 515 | |
| 516 | if (strcmp(event_str, "power:power_frequency") == 0) |
OGAWA Hirofumi | 180f95e | 2009-12-06 20:08:24 +0900 | [diff] [blame] | 517 | p_state_change(data.cpu, data.time, pe->value); |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 518 | |
| 519 | if (strcmp(event_str, "sched:sched_wakeup") == 0) |
OGAWA Hirofumi | 180f95e | 2009-12-06 20:08:24 +0900 | [diff] [blame] | 520 | sched_wakeup(data.cpu, data.time, data.pid, te); |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 521 | |
| 522 | if (strcmp(event_str, "sched:sched_switch") == 0) |
OGAWA Hirofumi | 180f95e | 2009-12-06 20:08:24 +0900 | [diff] [blame] | 523 | sched_switch(data.cpu, data.time, te); |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 524 | } |
| 525 | return 0; |
| 526 | } |
| 527 | |
| 528 | /* |
| 529 | * After the last sample we need to wrap up the current C/P state |
| 530 | * and close out each CPU for these. |
| 531 | */ |
| 532 | static void end_sample_processing(void) |
| 533 | { |
| 534 | u64 cpu; |
| 535 | struct power_event *pwr; |
| 536 | |
Arjan van de Ven | 39a90a8 | 2009-09-24 15:40:13 +0200 | [diff] [blame] | 537 | for (cpu = 0; cpu <= numcpus; cpu++) { |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 538 | pwr = malloc(sizeof(struct power_event)); |
| 539 | if (!pwr) |
| 540 | return; |
| 541 | memset(pwr, 0, sizeof(struct power_event)); |
| 542 | |
| 543 | /* C state */ |
| 544 | #if 0 |
| 545 | pwr->state = cpus_cstate_state[cpu]; |
| 546 | pwr->start_time = cpus_cstate_start_times[cpu]; |
| 547 | pwr->end_time = last_time; |
| 548 | pwr->cpu = cpu; |
| 549 | pwr->type = CSTATE; |
| 550 | pwr->next = power_events; |
| 551 | |
| 552 | power_events = pwr; |
| 553 | #endif |
| 554 | /* P state */ |
| 555 | |
| 556 | pwr = malloc(sizeof(struct power_event)); |
| 557 | if (!pwr) |
| 558 | return; |
| 559 | memset(pwr, 0, sizeof(struct power_event)); |
| 560 | |
| 561 | pwr->state = cpus_pstate_state[cpu]; |
| 562 | pwr->start_time = cpus_pstate_start_times[cpu]; |
| 563 | pwr->end_time = last_time; |
| 564 | pwr->cpu = cpu; |
| 565 | pwr->type = PSTATE; |
| 566 | pwr->next = power_events; |
| 567 | |
| 568 | if (!pwr->start_time) |
| 569 | pwr->start_time = first_time; |
| 570 | if (!pwr->state) |
| 571 | pwr->state = min_freq; |
| 572 | power_events = pwr; |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | static u64 sample_time(event_t *event) |
| 577 | { |
| 578 | int cursor; |
| 579 | |
| 580 | cursor = 0; |
| 581 | if (sample_type & PERF_SAMPLE_IP) |
| 582 | cursor++; |
| 583 | if (sample_type & PERF_SAMPLE_TID) |
| 584 | cursor++; |
| 585 | if (sample_type & PERF_SAMPLE_TIME) |
| 586 | return event->sample.array[cursor]; |
| 587 | return 0; |
| 588 | } |
| 589 | |
| 590 | |
| 591 | /* |
| 592 | * We first queue all events, sorted backwards by insertion. |
| 593 | * The order will get flipped later. |
| 594 | */ |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 595 | static int queue_sample_event(event_t *event, struct perf_session *session __used) |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 596 | { |
| 597 | struct sample_wrapper *copy, *prev; |
| 598 | int size; |
| 599 | |
| 600 | size = event->sample.header.size + sizeof(struct sample_wrapper) + 8; |
| 601 | |
| 602 | copy = malloc(size); |
| 603 | if (!copy) |
| 604 | return 1; |
| 605 | |
| 606 | memset(copy, 0, size); |
| 607 | |
| 608 | copy->next = NULL; |
| 609 | copy->timestamp = sample_time(event); |
| 610 | |
| 611 | memcpy(©->data, event, event->sample.header.size); |
| 612 | |
| 613 | /* insert in the right place in the list */ |
| 614 | |
| 615 | if (!all_samples) { |
| 616 | /* first sample ever */ |
| 617 | all_samples = copy; |
| 618 | return 0; |
| 619 | } |
| 620 | |
| 621 | if (all_samples->timestamp < copy->timestamp) { |
| 622 | /* insert at the head of the list */ |
| 623 | copy->next = all_samples; |
| 624 | all_samples = copy; |
| 625 | return 0; |
| 626 | } |
| 627 | |
| 628 | prev = all_samples; |
| 629 | while (prev->next) { |
| 630 | if (prev->next->timestamp < copy->timestamp) { |
| 631 | copy->next = prev->next; |
| 632 | prev->next = copy; |
| 633 | return 0; |
| 634 | } |
| 635 | prev = prev->next; |
| 636 | } |
| 637 | /* insert at the end of the list */ |
| 638 | prev->next = copy; |
| 639 | |
| 640 | return 0; |
| 641 | } |
| 642 | |
| 643 | static void sort_queued_samples(void) |
| 644 | { |
| 645 | struct sample_wrapper *cursor, *next; |
| 646 | |
| 647 | cursor = all_samples; |
| 648 | all_samples = NULL; |
| 649 | |
| 650 | while (cursor) { |
| 651 | next = cursor->next; |
| 652 | cursor->next = all_samples; |
| 653 | all_samples = cursor; |
| 654 | cursor = next; |
| 655 | } |
| 656 | } |
| 657 | |
| 658 | /* |
| 659 | * Sort the pid datastructure |
| 660 | */ |
| 661 | static void sort_pids(void) |
| 662 | { |
| 663 | struct per_pid *new_list, *p, *cursor, *prev; |
| 664 | /* sort by ppid first, then by pid, lowest to highest */ |
| 665 | |
| 666 | new_list = NULL; |
| 667 | |
| 668 | while (all_data) { |
| 669 | p = all_data; |
| 670 | all_data = p->next; |
| 671 | p->next = NULL; |
| 672 | |
| 673 | if (new_list == NULL) { |
| 674 | new_list = p; |
| 675 | p->next = NULL; |
| 676 | continue; |
| 677 | } |
| 678 | prev = NULL; |
| 679 | cursor = new_list; |
| 680 | while (cursor) { |
| 681 | if (cursor->ppid > p->ppid || |
| 682 | (cursor->ppid == p->ppid && cursor->pid > p->pid)) { |
| 683 | /* must insert before */ |
| 684 | if (prev) { |
| 685 | p->next = prev->next; |
| 686 | prev->next = p; |
| 687 | cursor = NULL; |
| 688 | continue; |
| 689 | } else { |
| 690 | p->next = new_list; |
| 691 | new_list = p; |
| 692 | cursor = NULL; |
| 693 | continue; |
| 694 | } |
| 695 | } |
| 696 | |
| 697 | prev = cursor; |
| 698 | cursor = cursor->next; |
| 699 | if (!cursor) |
| 700 | prev->next = p; |
| 701 | } |
| 702 | } |
| 703 | all_data = new_list; |
| 704 | } |
| 705 | |
| 706 | |
| 707 | static void draw_c_p_states(void) |
| 708 | { |
| 709 | struct power_event *pwr; |
| 710 | pwr = power_events; |
| 711 | |
| 712 | /* |
| 713 | * two pass drawing so that the P state bars are on top of the C state blocks |
| 714 | */ |
| 715 | while (pwr) { |
| 716 | if (pwr->type == CSTATE) |
| 717 | svg_cstate(pwr->cpu, pwr->start_time, pwr->end_time, pwr->state); |
| 718 | pwr = pwr->next; |
| 719 | } |
| 720 | |
| 721 | pwr = power_events; |
| 722 | while (pwr) { |
| 723 | if (pwr->type == PSTATE) { |
| 724 | if (!pwr->state) |
| 725 | pwr->state = min_freq; |
| 726 | svg_pstate(pwr->cpu, pwr->start_time, pwr->end_time, pwr->state); |
| 727 | } |
| 728 | pwr = pwr->next; |
| 729 | } |
| 730 | } |
| 731 | |
| 732 | static void draw_wakeups(void) |
| 733 | { |
| 734 | struct wake_event *we; |
| 735 | struct per_pid *p; |
| 736 | struct per_pidcomm *c; |
| 737 | |
| 738 | we = wake_events; |
| 739 | while (we) { |
| 740 | int from = 0, to = 0; |
Arjan van de Ven | 4f1202c | 2009-09-20 18:13:28 +0200 | [diff] [blame] | 741 | char *task_from = NULL, *task_to = NULL; |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 742 | |
| 743 | /* locate the column of the waker and wakee */ |
| 744 | p = all_data; |
| 745 | while (p) { |
| 746 | if (p->pid == we->waker || p->pid == we->wakee) { |
| 747 | c = p->all; |
| 748 | while (c) { |
| 749 | if (c->Y && c->start_time <= we->time && c->end_time >= we->time) { |
Arjan van de Ven | bbe2987 | 2009-10-20 07:09:39 +0900 | [diff] [blame] | 750 | if (p->pid == we->waker && !from) { |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 751 | from = c->Y; |
Arjan van de Ven | 3bc2a39 | 2009-10-20 06:46:49 +0900 | [diff] [blame] | 752 | task_from = strdup(c->comm); |
Arjan van de Ven | 4f1202c | 2009-09-20 18:13:28 +0200 | [diff] [blame] | 753 | } |
Arjan van de Ven | bbe2987 | 2009-10-20 07:09:39 +0900 | [diff] [blame] | 754 | if (p->pid == we->wakee && !to) { |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 755 | to = c->Y; |
Arjan van de Ven | 3bc2a39 | 2009-10-20 06:46:49 +0900 | [diff] [blame] | 756 | task_to = strdup(c->comm); |
Arjan van de Ven | 4f1202c | 2009-09-20 18:13:28 +0200 | [diff] [blame] | 757 | } |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 758 | } |
| 759 | c = c->next; |
| 760 | } |
Arjan van de Ven | 3bc2a39 | 2009-10-20 06:46:49 +0900 | [diff] [blame] | 761 | c = p->all; |
| 762 | while (c) { |
| 763 | if (p->pid == we->waker && !from) { |
| 764 | from = c->Y; |
| 765 | task_from = strdup(c->comm); |
| 766 | } |
| 767 | if (p->pid == we->wakee && !to) { |
| 768 | to = c->Y; |
| 769 | task_to = strdup(c->comm); |
| 770 | } |
| 771 | c = c->next; |
| 772 | } |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 773 | } |
| 774 | p = p->next; |
| 775 | } |
| 776 | |
Arjan van de Ven | 3bc2a39 | 2009-10-20 06:46:49 +0900 | [diff] [blame] | 777 | if (!task_from) { |
| 778 | task_from = malloc(40); |
| 779 | sprintf(task_from, "[%i]", we->waker); |
| 780 | } |
| 781 | if (!task_to) { |
| 782 | task_to = malloc(40); |
| 783 | sprintf(task_to, "[%i]", we->wakee); |
| 784 | } |
| 785 | |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 786 | if (we->waker == -1) |
| 787 | svg_interrupt(we->time, to); |
| 788 | else if (from && to && abs(from - to) == 1) |
| 789 | svg_wakeline(we->time, from, to); |
| 790 | else |
Arjan van de Ven | 4f1202c | 2009-09-20 18:13:28 +0200 | [diff] [blame] | 791 | svg_partial_wakeline(we->time, from, task_from, to, task_to); |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 792 | we = we->next; |
Arjan van de Ven | 3bc2a39 | 2009-10-20 06:46:49 +0900 | [diff] [blame] | 793 | |
| 794 | free(task_from); |
| 795 | free(task_to); |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 796 | } |
| 797 | } |
| 798 | |
| 799 | static void draw_cpu_usage(void) |
| 800 | { |
| 801 | struct per_pid *p; |
| 802 | struct per_pidcomm *c; |
| 803 | struct cpu_sample *sample; |
| 804 | p = all_data; |
| 805 | while (p) { |
| 806 | c = p->all; |
| 807 | while (c) { |
| 808 | sample = c->samples; |
| 809 | while (sample) { |
| 810 | if (sample->type == TYPE_RUNNING) |
| 811 | svg_process(sample->cpu, sample->start_time, sample->end_time, "sample", c->comm); |
| 812 | |
| 813 | sample = sample->next; |
| 814 | } |
| 815 | c = c->next; |
| 816 | } |
| 817 | p = p->next; |
| 818 | } |
| 819 | } |
| 820 | |
| 821 | static void draw_process_bars(void) |
| 822 | { |
| 823 | struct per_pid *p; |
| 824 | struct per_pidcomm *c; |
| 825 | struct cpu_sample *sample; |
| 826 | int Y = 0; |
| 827 | |
| 828 | Y = 2 * numcpus + 2; |
| 829 | |
| 830 | p = all_data; |
| 831 | while (p) { |
| 832 | c = p->all; |
| 833 | while (c) { |
| 834 | if (!c->display) { |
| 835 | c->Y = 0; |
| 836 | c = c->next; |
| 837 | continue; |
| 838 | } |
| 839 | |
Arjan van de Ven | a92fe7b | 2009-09-20 18:13:53 +0200 | [diff] [blame] | 840 | svg_box(Y, c->start_time, c->end_time, "process"); |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 841 | sample = c->samples; |
| 842 | while (sample) { |
| 843 | if (sample->type == TYPE_RUNNING) |
Arjan van de Ven | a92fe7b | 2009-09-20 18:13:53 +0200 | [diff] [blame] | 844 | svg_sample(Y, sample->cpu, sample->start_time, sample->end_time); |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 845 | if (sample->type == TYPE_BLOCKED) |
| 846 | svg_box(Y, sample->start_time, sample->end_time, "blocked"); |
| 847 | if (sample->type == TYPE_WAITING) |
Arjan van de Ven | a92fe7b | 2009-09-20 18:13:53 +0200 | [diff] [blame] | 848 | svg_waiting(Y, sample->start_time, sample->end_time); |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 849 | sample = sample->next; |
| 850 | } |
| 851 | |
| 852 | if (c->comm) { |
| 853 | char comm[256]; |
| 854 | if (c->total_time > 5000000000) /* 5 seconds */ |
| 855 | sprintf(comm, "%s:%i (%2.2fs)", c->comm, p->pid, c->total_time / 1000000000.0); |
| 856 | else |
| 857 | sprintf(comm, "%s:%i (%3.1fms)", c->comm, p->pid, c->total_time / 1000000.0); |
| 858 | |
| 859 | svg_text(Y, c->start_time, comm); |
| 860 | } |
| 861 | c->Y = Y; |
| 862 | Y++; |
| 863 | c = c->next; |
| 864 | } |
| 865 | p = p->next; |
| 866 | } |
| 867 | } |
| 868 | |
Arjan van de Ven | bbe2987 | 2009-10-20 07:09:39 +0900 | [diff] [blame] | 869 | static void add_process_filter(const char *string) |
| 870 | { |
| 871 | struct process_filter *filt; |
| 872 | int pid; |
| 873 | |
| 874 | pid = strtoull(string, NULL, 10); |
| 875 | filt = malloc(sizeof(struct process_filter)); |
| 876 | if (!filt) |
| 877 | return; |
| 878 | |
| 879 | filt->name = strdup(string); |
| 880 | filt->pid = pid; |
| 881 | filt->next = process_filter; |
| 882 | |
| 883 | process_filter = filt; |
| 884 | } |
| 885 | |
| 886 | static int passes_filter(struct per_pid *p, struct per_pidcomm *c) |
| 887 | { |
| 888 | struct process_filter *filt; |
| 889 | if (!process_filter) |
| 890 | return 1; |
| 891 | |
| 892 | filt = process_filter; |
| 893 | while (filt) { |
| 894 | if (filt->pid && p->pid == filt->pid) |
| 895 | return 1; |
| 896 | if (strcmp(filt->name, c->comm) == 0) |
| 897 | return 1; |
| 898 | filt = filt->next; |
| 899 | } |
| 900 | return 0; |
| 901 | } |
| 902 | |
| 903 | static int determine_display_tasks_filtered(void) |
| 904 | { |
| 905 | struct per_pid *p; |
| 906 | struct per_pidcomm *c; |
| 907 | int count = 0; |
| 908 | |
| 909 | p = all_data; |
| 910 | while (p) { |
| 911 | p->display = 0; |
| 912 | if (p->start_time == 1) |
| 913 | p->start_time = first_time; |
| 914 | |
| 915 | /* no exit marker, task kept running to the end */ |
| 916 | if (p->end_time == 0) |
| 917 | p->end_time = last_time; |
| 918 | |
| 919 | c = p->all; |
| 920 | |
| 921 | while (c) { |
| 922 | c->display = 0; |
| 923 | |
| 924 | if (c->start_time == 1) |
| 925 | c->start_time = first_time; |
| 926 | |
| 927 | if (passes_filter(p, c)) { |
| 928 | c->display = 1; |
| 929 | p->display = 1; |
| 930 | count++; |
| 931 | } |
| 932 | |
| 933 | if (c->end_time == 0) |
| 934 | c->end_time = last_time; |
| 935 | |
| 936 | c = c->next; |
| 937 | } |
| 938 | p = p->next; |
| 939 | } |
| 940 | return count; |
| 941 | } |
| 942 | |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 943 | static int determine_display_tasks(u64 threshold) |
| 944 | { |
| 945 | struct per_pid *p; |
| 946 | struct per_pidcomm *c; |
| 947 | int count = 0; |
| 948 | |
Arjan van de Ven | bbe2987 | 2009-10-20 07:09:39 +0900 | [diff] [blame] | 949 | if (process_filter) |
| 950 | return determine_display_tasks_filtered(); |
| 951 | |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 952 | p = all_data; |
| 953 | while (p) { |
| 954 | p->display = 0; |
| 955 | if (p->start_time == 1) |
| 956 | p->start_time = first_time; |
| 957 | |
| 958 | /* no exit marker, task kept running to the end */ |
| 959 | if (p->end_time == 0) |
| 960 | p->end_time = last_time; |
Arjan van de Ven | 39a90a8 | 2009-09-24 15:40:13 +0200 | [diff] [blame] | 961 | if (p->total_time >= threshold && !power_only) |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 962 | p->display = 1; |
| 963 | |
| 964 | c = p->all; |
| 965 | |
| 966 | while (c) { |
| 967 | c->display = 0; |
| 968 | |
| 969 | if (c->start_time == 1) |
| 970 | c->start_time = first_time; |
| 971 | |
Arjan van de Ven | 39a90a8 | 2009-09-24 15:40:13 +0200 | [diff] [blame] | 972 | if (c->total_time >= threshold && !power_only) { |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 973 | c->display = 1; |
| 974 | count++; |
| 975 | } |
| 976 | |
| 977 | if (c->end_time == 0) |
| 978 | c->end_time = last_time; |
| 979 | |
| 980 | c = c->next; |
| 981 | } |
| 982 | p = p->next; |
| 983 | } |
| 984 | return count; |
| 985 | } |
| 986 | |
| 987 | |
| 988 | |
| 989 | #define TIME_THRESH 10000000 |
| 990 | |
| 991 | static void write_svg_file(const char *filename) |
| 992 | { |
| 993 | u64 i; |
| 994 | int count; |
| 995 | |
| 996 | numcpus++; |
| 997 | |
| 998 | |
| 999 | count = determine_display_tasks(TIME_THRESH); |
| 1000 | |
| 1001 | /* We'd like to show at least 15 tasks; be less picky if we have fewer */ |
| 1002 | if (count < 15) |
| 1003 | count = determine_display_tasks(TIME_THRESH / 10); |
| 1004 | |
Arjan van de Ven | 5094b65 | 2009-09-20 18:14:16 +0200 | [diff] [blame] | 1005 | open_svg(filename, numcpus, count, first_time, last_time); |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 1006 | |
Arjan van de Ven | 5094b65 | 2009-09-20 18:14:16 +0200 | [diff] [blame] | 1007 | svg_time_grid(); |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 1008 | svg_legenda(); |
| 1009 | |
| 1010 | for (i = 0; i < numcpus; i++) |
| 1011 | svg_cpu_box(i, max_freq, turbo_frequency); |
| 1012 | |
| 1013 | draw_cpu_usage(); |
| 1014 | draw_process_bars(); |
| 1015 | draw_c_p_states(); |
| 1016 | draw_wakeups(); |
| 1017 | |
| 1018 | svg_close(); |
| 1019 | } |
| 1020 | |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 1021 | static void process_samples(void) |
| 1022 | { |
| 1023 | struct sample_wrapper *cursor; |
| 1024 | event_t *event; |
| 1025 | |
| 1026 | sort_queued_samples(); |
| 1027 | |
| 1028 | cursor = all_samples; |
| 1029 | while (cursor) { |
| 1030 | event = (void *)&cursor->data; |
| 1031 | cursor = cursor->next; |
| 1032 | process_sample_event(event); |
| 1033 | } |
| 1034 | } |
| 1035 | |
Li Zefan | 5cbd080 | 2009-12-01 14:05:16 +0800 | [diff] [blame] | 1036 | static int sample_type_check(u64 type) |
| 1037 | { |
| 1038 | sample_type = type; |
| 1039 | |
| 1040 | if (!(sample_type & PERF_SAMPLE_RAW)) { |
| 1041 | fprintf(stderr, "No trace samples found in the file.\n" |
| 1042 | "Have you used 'perf timechart record' to record it?\n"); |
| 1043 | return -1; |
| 1044 | } |
| 1045 | |
| 1046 | return 0; |
| 1047 | } |
| 1048 | |
Arnaldo Carvalho de Melo | 301a0b0 | 2009-12-13 19:50:25 -0200 | [diff] [blame] | 1049 | static struct perf_event_ops event_ops = { |
Li Zefan | 5cbd080 | 2009-12-01 14:05:16 +0800 | [diff] [blame] | 1050 | .process_comm_event = process_comm_event, |
| 1051 | .process_fork_event = process_fork_event, |
| 1052 | .process_exit_event = process_exit_event, |
| 1053 | .process_sample_event = queue_sample_event, |
| 1054 | .sample_type_check = sample_type_check, |
| 1055 | }; |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 1056 | |
| 1057 | static int __cmd_timechart(void) |
| 1058 | { |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame^] | 1059 | struct perf_session *session = perf_session__new(input_name, O_RDONLY, |
| 1060 | 0, NULL); |
Li Zefan | 5cbd080 | 2009-12-01 14:05:16 +0800 | [diff] [blame] | 1061 | int ret; |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 1062 | |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 1063 | if (session == NULL) |
| 1064 | return -ENOMEM; |
| 1065 | |
Arnaldo Carvalho de Melo | ec91336 | 2009-12-13 19:50:27 -0200 | [diff] [blame] | 1066 | ret = perf_session__process_events(session, &event_ops); |
Li Zefan | 5cbd080 | 2009-12-01 14:05:16 +0800 | [diff] [blame] | 1067 | if (ret) |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 1068 | goto out_delete; |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 1069 | |
| 1070 | process_samples(); |
| 1071 | |
| 1072 | end_sample_processing(); |
| 1073 | |
| 1074 | sort_pids(); |
| 1075 | |
| 1076 | write_svg_file(output_name); |
| 1077 | |
Arnaldo Carvalho de Melo | 6beba7a | 2009-10-21 17:34:06 -0200 | [diff] [blame] | 1078 | pr_info("Written %2.1f seconds of trace to %s.\n", |
| 1079 | (last_time - first_time) / 1000000000.0, output_name); |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 1080 | out_delete: |
| 1081 | perf_session__delete(session); |
| 1082 | return ret; |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 1083 | } |
| 1084 | |
Arjan van de Ven | 3c09eeb | 2009-09-19 13:34:42 +0200 | [diff] [blame] | 1085 | static const char * const timechart_usage[] = { |
| 1086 | "perf timechart [<options>] {record}", |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 1087 | NULL |
| 1088 | }; |
| 1089 | |
Arjan van de Ven | 3c09eeb | 2009-09-19 13:34:42 +0200 | [diff] [blame] | 1090 | static const char *record_args[] = { |
| 1091 | "record", |
| 1092 | "-a", |
| 1093 | "-R", |
| 1094 | "-M", |
| 1095 | "-f", |
| 1096 | "-c", "1", |
| 1097 | "-e", "power:power_start", |
| 1098 | "-e", "power:power_end", |
| 1099 | "-e", "power:power_frequency", |
| 1100 | "-e", "sched:sched_wakeup", |
| 1101 | "-e", "sched:sched_switch", |
| 1102 | }; |
| 1103 | |
| 1104 | static int __cmd_record(int argc, const char **argv) |
| 1105 | { |
| 1106 | unsigned int rec_argc, i, j; |
| 1107 | const char **rec_argv; |
| 1108 | |
| 1109 | rec_argc = ARRAY_SIZE(record_args) + argc - 1; |
| 1110 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
| 1111 | |
| 1112 | for (i = 0; i < ARRAY_SIZE(record_args); i++) |
| 1113 | rec_argv[i] = strdup(record_args[i]); |
| 1114 | |
| 1115 | for (j = 1; j < (unsigned int)argc; j++, i++) |
| 1116 | rec_argv[i] = argv[j]; |
| 1117 | |
| 1118 | return cmd_record(i, rec_argv, NULL); |
| 1119 | } |
| 1120 | |
Arjan van de Ven | bbe2987 | 2009-10-20 07:09:39 +0900 | [diff] [blame] | 1121 | static int |
| 1122 | parse_process(const struct option *opt __used, const char *arg, int __used unset) |
| 1123 | { |
| 1124 | if (arg) |
| 1125 | add_process_filter(arg); |
| 1126 | return 0; |
| 1127 | } |
| 1128 | |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 1129 | static const struct option options[] = { |
| 1130 | OPT_STRING('i', "input", &input_name, "file", |
| 1131 | "input file name"), |
| 1132 | OPT_STRING('o', "output", &output_name, "file", |
| 1133 | "output file name"), |
Arjan van de Ven | 5094b65 | 2009-09-20 18:14:16 +0200 | [diff] [blame] | 1134 | OPT_INTEGER('w', "width", &svg_page_width, |
| 1135 | "page width"), |
Arjan van de Ven | bbe2987 | 2009-10-20 07:09:39 +0900 | [diff] [blame] | 1136 | OPT_BOOLEAN('P', "power-only", &power_only, |
Arjan van de Ven | 39a90a8 | 2009-09-24 15:40:13 +0200 | [diff] [blame] | 1137 | "output power data only"), |
Arjan van de Ven | bbe2987 | 2009-10-20 07:09:39 +0900 | [diff] [blame] | 1138 | OPT_CALLBACK('p', "process", NULL, "process", |
| 1139 | "process selector. Pass a pid or process name.", |
| 1140 | parse_process), |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 1141 | OPT_END() |
| 1142 | }; |
| 1143 | |
| 1144 | |
| 1145 | int cmd_timechart(int argc, const char **argv, const char *prefix __used) |
| 1146 | { |
Arnaldo Carvalho de Melo | 00a192b | 2009-10-30 16:28:24 -0200 | [diff] [blame] | 1147 | symbol__init(0); |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 1148 | |
Arjan van de Ven | 3c09eeb | 2009-09-19 13:34:42 +0200 | [diff] [blame] | 1149 | argc = parse_options(argc, argv, options, timechart_usage, |
| 1150 | PARSE_OPT_STOP_AT_NON_OPTION); |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 1151 | |
Arjan van de Ven | 3c09eeb | 2009-09-19 13:34:42 +0200 | [diff] [blame] | 1152 | if (argc && !strncmp(argv[0], "rec", 3)) |
| 1153 | return __cmd_record(argc, argv); |
| 1154 | else if (argc) |
| 1155 | usage_with_options(timechart_usage, options); |
Arjan van de Ven | 1027498 | 2009-09-12 07:53:05 +0200 | [diff] [blame] | 1156 | |
| 1157 | setup_pager(); |
| 1158 | |
| 1159 | return __cmd_timechart(); |
| 1160 | } |