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9e066e23 CM |
1 | /* |
2 | * Copyright (C) 2012 Fusion-io | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public | |
6 | * License v2 as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program; if not, write to the Free Software | |
15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
16 | * | |
17 | * Parts of this file were imported from Jens Axboe's blktrace sources (also GPL) | |
18 | */ | |
19 | #include <sys/types.h> | |
20 | #include <sys/stat.h> | |
21 | #include <fcntl.h> | |
22 | #include <unistd.h> | |
23 | #include <stdlib.h> | |
24 | #include <stdio.h> | |
25 | #include <math.h> | |
26 | #include <inttypes.h> | |
27 | #include <string.h> | |
28 | #include <asm/types.h> | |
29 | #include <errno.h> | |
30 | #include <sys/mman.h> | |
31 | #include <time.h> | |
32 | #include <math.h> | |
33 | #include <getopt.h> | |
34 | ||
35 | #include "plot.h" | |
36 | #include "blkparse.h" | |
37 | #include "list.h" | |
38 | #include "tracers.h" | |
e199d546 | 39 | #include "mpstat.h" |
9e066e23 CM |
40 | |
41 | LIST_HEAD(all_traces); | |
42 | ||
ba758825 CM |
43 | static char line[1024]; |
44 | static int line_len = 1024; | |
e199d546 CM |
45 | static int found_mpstat = 0; |
46 | static int cpu_color_index = 0; | |
9e066e23 | 47 | static int color_index = 0; |
ba758825 CM |
48 | static int make_movie = 0; |
49 | static int opt_graph_width = 0; | |
50 | static int opt_graph_height = 0; | |
51 | ||
cc3d54d5 CM |
52 | static int columns = 1; |
53 | static int num_xticks = 9; | |
54 | ||
55 | /* | |
56 | * this doesn't include the IO graph, | |
57 | * but it counts the other graphs as they go out | |
58 | */ | |
59 | static int total_graphs_written = 1; | |
60 | ||
9e066e23 CM |
61 | char *colors[] = { |
62 | "blue", "darkgreen", | |
63 | "red", "aqua", | |
64 | "orange", "darkviolet", | |
65 | "brown", "#00FF00", | |
66 | "yellow", "coral", | |
67 | "black", "darkred", | |
68 | "fuchsia", "crimson", | |
69 | NULL }; | |
70 | ||
71 | char *pick_color(void) { | |
72 | char *ret = colors[color_index]; | |
73 | if (!ret) { | |
74 | color_index = 0; | |
75 | ret = colors[color_index]; | |
76 | } | |
77 | color_index++; | |
78 | return ret; | |
79 | } | |
80 | ||
81 | char *pick_cpu_color(void) { | |
e199d546 | 82 | char *ret = colors[cpu_color_index]; |
9e066e23 CM |
83 | if (!ret) { |
84 | color_index = 0; | |
e199d546 | 85 | ret = colors[cpu_color_index]; |
9e066e23 | 86 | } |
e199d546 | 87 | cpu_color_index++; |
9e066e23 CM |
88 | return ret; |
89 | } | |
90 | ||
91 | enum { | |
92 | IO_GRAPH_INDEX = 0, | |
93 | TPUT_GRAPH_INDEX, | |
e199d546 CM |
94 | CPU_SYS_GRAPH_INDEX, |
95 | CPU_IO_GRAPH_INDEX, | |
96 | CPU_IRQ_GRAPH_INDEX, | |
97 | CPU_SOFT_GRAPH_INDEX, | |
98 | CPU_USER_GRAPH_INDEX, | |
9e066e23 CM |
99 | LATENCY_GRAPH_INDEX, |
100 | QUEUE_DEPTH_GRAPH_INDEX, | |
101 | IOPS_GRAPH_INDEX, | |
102 | TOTAL_GRAPHS | |
103 | }; | |
104 | ||
e199d546 CM |
105 | enum { |
106 | MPSTAT_SYS = 0, | |
107 | MPSTAT_IRQ, | |
108 | MPSTAT_IO, | |
109 | MPSTAT_SOFT, | |
110 | MPSTAT_USER, | |
111 | MPSTAT_GRAPHS | |
112 | }; | |
113 | ||
9e066e23 CM |
114 | static char *graphs_by_name[] = { |
115 | "io", | |
116 | "tput", | |
e199d546 CM |
117 | "cpu-sys", |
118 | "cpu-io", | |
119 | "cpu-irq", | |
120 | "cpu-soft", | |
121 | "cpu-user", | |
9e066e23 CM |
122 | "latency", |
123 | "queue-depth", | |
124 | "iops", | |
125 | }; | |
126 | ||
abf08f96 CM |
127 | enum { |
128 | MOVIE_SPINDLE, | |
129 | MOVIE_RECT, | |
130 | NUM_MOVIE_STYLES, | |
131 | }; | |
132 | ||
133 | char *movie_styles[] = { | |
134 | "spindle", | |
135 | "rect", | |
136 | NULL | |
137 | }; | |
138 | ||
139 | static int movie_style = 0; | |
140 | ||
141 | static int lookup_movie_style(char *str) | |
142 | { | |
143 | int i; | |
144 | ||
145 | for (i = 0; i < NUM_MOVIE_STYLES; i++) { | |
146 | if (strcmp(str, movie_styles[i]) == 0) | |
147 | return i; | |
148 | } | |
149 | return -1; | |
150 | } | |
151 | ||
9e066e23 CM |
152 | static int active_graphs[TOTAL_GRAPHS]; |
153 | static int last_active_graph = IOPS_GRAPH_INDEX; | |
154 | ||
155 | static int label_index = 0; | |
156 | static int num_traces = 0; | |
157 | static int longest_label = 0; | |
158 | ||
159 | struct trace_file { | |
160 | struct list_head list; | |
161 | char *filename; | |
162 | char *label; | |
163 | struct trace *trace; | |
164 | int seconds; | |
165 | int stop_seconds; | |
166 | u64 max_offset; | |
167 | ||
168 | char *read_color; | |
169 | char *write_color; | |
170 | ||
171 | struct graph_line_data *tput_gld; | |
172 | struct graph_line_data *iop_gld; | |
173 | struct graph_line_data *latency_gld; | |
174 | struct graph_line_data *queue_depth_gld; | |
175 | struct graph_dot_data *gdd_writes; | |
176 | struct graph_dot_data *gdd_reads; | |
e199d546 CM |
177 | |
178 | int mpstat_seconds; | |
179 | int mpstat_stop_seconds; | |
180 | struct graph_line_data **mpstat_gld; | |
9e066e23 CM |
181 | }; |
182 | ||
e199d546 CM |
183 | static void alloc_mpstat_gld(struct trace_file *tf) |
184 | { | |
185 | struct graph_line_data **ptr; | |
186 | ||
187 | if (tf->trace->mpstat_num_cpus == 0) | |
188 | return; | |
189 | ||
190 | ptr = calloc((tf->trace->mpstat_num_cpus + 1) * MPSTAT_GRAPHS, | |
191 | sizeof(struct graph_line_data *)); | |
192 | if (!ptr) { | |
193 | perror("Unable to allocate mpstat arrays\n"); | |
194 | exit(1); | |
195 | } | |
196 | tf->mpstat_gld = ptr; | |
197 | } | |
198 | ||
9e066e23 CM |
199 | static void enable_all_graphs(void) |
200 | { | |
201 | int i; | |
202 | for (i = 0; i < TOTAL_GRAPHS; i++) | |
203 | active_graphs[i] = 1; | |
204 | } | |
205 | ||
206 | static void disable_all_graphs(void) | |
207 | { | |
208 | int i; | |
209 | for (i = 0; i < TOTAL_GRAPHS; i++) | |
210 | active_graphs[i] = 0; | |
211 | } | |
212 | ||
213 | static int enable_one_graph(char *name) | |
214 | { | |
215 | int i; | |
216 | for (i = 0; i < TOTAL_GRAPHS; i++) { | |
217 | if (strcmp(name, graphs_by_name[i]) == 0) { | |
218 | active_graphs[i] = 1; | |
219 | return 0; | |
220 | } | |
221 | } | |
222 | return -ENOENT; | |
223 | } | |
224 | ||
225 | static int disable_one_graph(char *name) | |
226 | { | |
227 | int i; | |
228 | for (i = 0; i < TOTAL_GRAPHS; i++) { | |
229 | if (strcmp(name, graphs_by_name[i]) == 0) { | |
230 | active_graphs[i] = 0; | |
231 | return 0; | |
232 | } | |
233 | } | |
234 | return -ENOENT; | |
235 | } | |
236 | ||
237 | static int last_graph(void) | |
238 | { | |
239 | int i; | |
240 | for (i = TOTAL_GRAPHS - 1; i >= 0; i--) { | |
241 | if (active_graphs[i]) { | |
242 | return i; | |
243 | } | |
244 | } | |
245 | return -ENOENT; | |
246 | } | |
cc3d54d5 CM |
247 | |
248 | static int graphs_left(int cur) | |
249 | { | |
250 | int i; | |
251 | int left = 0; | |
252 | for (i = cur; i < TOTAL_GRAPHS; i++) { | |
253 | if (active_graphs[i]) | |
254 | left++; | |
255 | } | |
256 | return left; | |
257 | } | |
258 | ||
9e066e23 CM |
259 | static void add_trace_file(char *filename) |
260 | { | |
261 | struct trace_file *tf; | |
262 | ||
263 | tf = calloc(1, sizeof(*tf)); | |
264 | if (!tf) { | |
265 | fprintf(stderr, "Unable to allocate memory\n"); | |
266 | exit(1); | |
267 | } | |
e199d546 | 268 | tf->label = ""; |
9e066e23 CM |
269 | tf->filename = strdup(filename); |
270 | list_add_tail(&tf->list, &all_traces); | |
271 | tf->read_color = pick_color(); | |
272 | tf->write_color = pick_color(); | |
273 | num_traces++; | |
274 | } | |
275 | ||
276 | static void setup_trace_file_graphs(void) | |
277 | { | |
278 | struct trace_file *tf; | |
e199d546 | 279 | int i; |
9e066e23 CM |
280 | |
281 | list_for_each_entry(tf, &all_traces, list) { | |
282 | tf->tput_gld = alloc_line_data(tf->seconds, tf->stop_seconds); | |
283 | tf->latency_gld = alloc_line_data(tf->seconds, tf->stop_seconds); | |
284 | tf->queue_depth_gld = alloc_line_data(tf->seconds, tf->stop_seconds); | |
285 | tf->iop_gld = alloc_line_data(tf->seconds, tf->stop_seconds); | |
286 | tf->gdd_writes = alloc_dot_data(tf->seconds, tf->max_offset, tf->stop_seconds); | |
287 | tf->gdd_reads = alloc_dot_data(tf->seconds, tf->max_offset, tf->stop_seconds); | |
e199d546 CM |
288 | |
289 | if (tf->trace->mpstat_num_cpus == 0) | |
290 | continue; | |
291 | ||
292 | alloc_mpstat_gld(tf); | |
293 | for (i = 0; i < (tf->trace->mpstat_num_cpus + 1) * MPSTAT_GRAPHS; i++) { | |
294 | tf->mpstat_gld[i] = | |
295 | alloc_line_data(tf->mpstat_seconds, | |
296 | tf->mpstat_seconds); | |
297 | tf->mpstat_gld[i]->max = 100; | |
298 | } | |
9e066e23 CM |
299 | } |
300 | } | |
301 | ||
302 | static void read_traces(void) | |
303 | { | |
304 | struct trace_file *tf; | |
305 | struct trace *trace; | |
306 | u64 last_time; | |
307 | u64 ymin; | |
308 | u64 ymax; | |
bfb0e441 CM |
309 | u64 max_bank; |
310 | u64 max_bank_offset; | |
9e066e23 CM |
311 | |
312 | list_for_each_entry(tf, &all_traces, list) { | |
313 | trace = open_trace(tf->filename); | |
314 | if (!trace) | |
315 | exit(1); | |
316 | ||
317 | last_time = find_last_time(trace); | |
318 | tf->trace = trace; | |
319 | tf->seconds = SECONDS(last_time); | |
320 | tf->stop_seconds = SECONDS(last_time); | |
bfb0e441 CM |
321 | find_highest_offset(trace, &tf->max_offset, &max_bank, |
322 | &max_bank_offset); | |
9e066e23 CM |
323 | filter_outliers(trace, tf->max_offset, &ymin, &ymax); |
324 | tf->max_offset = ymax; | |
e199d546 CM |
325 | |
326 | read_mpstat(trace, tf->filename); | |
327 | tf->mpstat_stop_seconds = trace->mpstat_seconds; | |
328 | tf->mpstat_seconds = trace->mpstat_seconds; | |
329 | if (tf->mpstat_seconds) | |
330 | found_mpstat = 1; | |
9e066e23 CM |
331 | } |
332 | } | |
333 | ||
334 | static void read_trace_events(void) | |
335 | { | |
336 | ||
337 | struct trace_file *tf; | |
338 | struct trace *trace; | |
339 | int ret; | |
e199d546 CM |
340 | int i; |
341 | int time; | |
342 | double user, sys, iowait, irq, soft; | |
343 | double max_user = 0, max_sys = 0, max_iowait = 0, | |
344 | max_irq = 0, max_soft = 0; | |
9e066e23 CM |
345 | |
346 | list_for_each_entry(tf, &all_traces, list) { | |
347 | trace = tf->trace; | |
348 | first_record(trace); | |
349 | while (1) { | |
350 | check_record(trace); | |
351 | add_tput(trace, tf->tput_gld); | |
352 | add_iop(trace, tf->iop_gld); | |
353 | add_io(trace, tf->gdd_writes, tf->gdd_reads); | |
354 | add_pending_io(trace, tf->queue_depth_gld); | |
355 | add_completed_io(trace, tf->latency_gld); | |
356 | ret = next_record(trace); | |
357 | if (ret) | |
358 | break; | |
359 | } | |
360 | } | |
e199d546 CM |
361 | list_for_each_entry(tf, &all_traces, list) { |
362 | trace = tf->trace; | |
363 | ||
364 | if (trace->mpstat_num_cpus == 0) | |
365 | continue; | |
366 | ||
367 | first_mpstat(trace); | |
368 | ||
369 | for (time = 0; time < tf->mpstat_stop_seconds; time ++) { | |
370 | for (i = 0; i < (trace->mpstat_num_cpus + 1) * MPSTAT_GRAPHS; i += MPSTAT_GRAPHS) { | |
371 | ret = read_mpstat_event(trace, &user, &sys, | |
372 | &iowait, &irq, &soft); | |
373 | if (ret) | |
374 | goto mpstat_done; | |
375 | if (next_mpstat_line(trace)) | |
376 | goto mpstat_done; | |
377 | ||
378 | if (sys > max_sys) | |
379 | max_sys = sys; | |
380 | if (user > max_user) | |
381 | max_user = user; | |
382 | if (irq > max_irq) | |
383 | max_irq = irq; | |
384 | if (iowait > max_iowait) | |
385 | max_iowait = iowait; | |
386 | ||
387 | add_mpstat_gld(time, sys, tf->mpstat_gld[i + MPSTAT_SYS]); | |
388 | add_mpstat_gld(time, irq, tf->mpstat_gld[i + MPSTAT_IRQ]); | |
389 | add_mpstat_gld(time, soft, tf->mpstat_gld[i + MPSTAT_SOFT]); | |
390 | add_mpstat_gld(time, user, tf->mpstat_gld[i + MPSTAT_USER]); | |
391 | add_mpstat_gld(time, iowait, tf->mpstat_gld[i + MPSTAT_IO]); | |
392 | } | |
393 | if (next_mpstat(trace) == NULL) | |
394 | break; | |
395 | } | |
396 | } | |
397 | ||
398 | mpstat_done: | |
399 | list_for_each_entry(tf, &all_traces, list) { | |
400 | trace = tf->trace; | |
401 | ||
402 | if (trace->mpstat_num_cpus == 0) | |
403 | continue; | |
404 | ||
405 | tf->mpstat_gld[MPSTAT_SYS]->max = max_sys; | |
406 | tf->mpstat_gld[MPSTAT_IRQ]->max = max_irq; | |
407 | tf->mpstat_gld[MPSTAT_SOFT]->max = max_soft; | |
408 | tf->mpstat_gld[MPSTAT_USER]->max = max_user; | |
409 | tf->mpstat_gld[MPSTAT_IO]->max = max_iowait;; | |
410 | } | |
411 | return; | |
9e066e23 CM |
412 | } |
413 | ||
414 | static void set_trace_label(char *label) | |
415 | { | |
416 | int cur = 0; | |
417 | struct trace_file *tf; | |
418 | int len = strlen(label); | |
419 | ||
420 | if (len > longest_label) | |
421 | longest_label = len; | |
422 | ||
423 | list_for_each_entry(tf, &all_traces, list) { | |
424 | if (cur == label_index) { | |
425 | tf->label = strdup(label); | |
426 | label_index++; | |
427 | break; | |
428 | } | |
429 | cur++; | |
430 | } | |
431 | } | |
432 | ||
433 | static char *graph_title = ""; | |
434 | static char *output_filename = "trace.svg"; | |
435 | static char *blktrace_device = NULL; | |
436 | static char *blktrace_outfile = "trace"; | |
437 | static char *blktrace_dest_dir = "."; | |
438 | static char *program_to_run = NULL; | |
439 | ||
440 | static void set_blktrace_outfile(char *arg) | |
441 | { | |
442 | char *s = strdup(arg); | |
443 | char *last_dot = strrchr(s, '.'); | |
444 | ||
445 | if (last_dot) { | |
446 | if (strcmp(last_dot, ".dump") == 0) | |
447 | *last_dot = '\0'; | |
448 | } | |
449 | blktrace_outfile = s; | |
450 | } | |
451 | ||
452 | ||
ba758825 | 453 | static void compare_max_tf(struct trace_file *tf, int *seconds, u64 *max_offset) |
9e066e23 | 454 | { |
ba758825 CM |
455 | if (tf->seconds > *seconds) |
456 | *seconds = tf->seconds; | |
457 | if (tf->max_offset > *max_offset) | |
458 | *max_offset = tf->max_offset; | |
9e066e23 CM |
459 | } |
460 | ||
ba758825 | 461 | static void set_all_max_tf(int seconds, u64 max_offset) |
9e066e23 | 462 | { |
ba758825 | 463 | struct trace_file *tf; |
9e066e23 | 464 | |
ba758825 CM |
465 | list_for_each_entry(tf, &all_traces, list) { |
466 | tf->seconds = seconds; | |
467 | tf->max_offset = max_offset; | |
468 | } | |
469 | } | |
9e066e23 | 470 | |
ba758825 CM |
471 | static char *create_movie_temp_dir(void) |
472 | { | |
473 | char *ret; | |
abf08f96 | 474 | char *pattern = strdup("io-movie-XXXXXX");; |
9e066e23 | 475 | |
ba758825 CM |
476 | ret = mkdtemp(pattern); |
477 | if (!ret) { | |
478 | perror("Unable to create temp directory for movie files"); | |
479 | exit(1); | |
480 | } | |
481 | return ret; | |
482 | } | |
9e066e23 | 483 | |
ba758825 CM |
484 | static struct plot_history *alloc_plot_history(char *color) |
485 | { | |
486 | struct plot_history *ph = calloc(1, sizeof(struct plot_history)); | |
487 | ||
488 | if (!ph) { | |
489 | perror("memory allocation failed"); | |
490 | exit(1); | |
9e066e23 | 491 | } |
ba758825 CM |
492 | ph->history = calloc(4096, sizeof(double)); |
493 | if (!ph->history) { | |
494 | perror("memory allocation failed"); | |
495 | exit(1); | |
496 | } | |
497 | ph->history_len = 4096; | |
498 | ph->color = color; | |
499 | return ph; | |
9e066e23 CM |
500 | } |
501 | ||
ba758825 CM |
502 | LIST_HEAD(movie_history_writes); |
503 | LIST_HEAD(movie_history_reads); | |
504 | int num_histories = 0; | |
505 | ||
506 | static void add_history(struct plot_history *ph, struct list_head *list) | |
9e066e23 | 507 | { |
ba758825 CM |
508 | struct plot_history *entry; |
509 | ||
510 | list_add_tail(&ph->list, list); | |
511 | num_histories++; | |
512 | ||
513 | if (num_histories > 12) { | |
514 | num_histories--; | |
515 | entry = list_entry(list->next, struct plot_history, list); | |
516 | list_del(&entry->list); | |
517 | free(entry->history); | |
518 | free(entry); | |
519 | } | |
9e066e23 CM |
520 | } |
521 | ||
ba758825 | 522 | static void plot_movie_history(struct plot *plot, struct list_head *list) |
9e066e23 | 523 | { |
ba758825 CM |
524 | struct plot_history *ph; |
525 | ||
abf08f96 CM |
526 | if (num_histories > 2) |
527 | rewind_spindle_steps(num_histories - 1); | |
528 | ||
ba758825 | 529 | list_for_each_entry(ph, list, list) { |
abf08f96 CM |
530 | if (movie_style == MOVIE_SPINDLE) |
531 | svg_io_graph_movie_array_spindle(plot, ph); | |
532 | else | |
533 | svg_io_graph_movie_array(plot, ph); | |
ba758825 CM |
534 | } |
535 | } | |
9e066e23 | 536 | |
ba758825 CM |
537 | static void free_all_plot_history(struct list_head *head) |
538 | { | |
539 | struct plot_history *entry; | |
540 | while (!list_empty(head)) { | |
541 | entry = list_entry(head->next, struct plot_history, list); | |
542 | list_del(&entry->list); | |
543 | free(entry->history); | |
544 | free(entry); | |
9e066e23 CM |
545 | } |
546 | } | |
547 | ||
cc3d54d5 | 548 | static void plot_io(struct plot *plot, int seconds, u64 max_offset) |
9e066e23 CM |
549 | { |
550 | struct trace_file *tf; | |
551 | ||
cc3d54d5 CM |
552 | if (active_graphs[IO_GRAPH_INDEX] == 0) |
553 | return; | |
554 | ||
9e066e23 CM |
555 | setup_axis(plot); |
556 | ||
557 | svg_alloc_legend(plot, num_traces * 2); | |
558 | ||
559 | set_plot_label(plot, "Device IO"); | |
560 | set_ylabel(plot, "Offset (MB)"); | |
561 | set_yticks(plot, 4, 0, max_offset / (1024 * 1024), ""); | |
cc3d54d5 | 562 | set_xticks(plot, num_xticks, 0, seconds); |
9e066e23 CM |
563 | |
564 | list_for_each_entry(tf, &all_traces, list) { | |
565 | char *label = tf->label; | |
566 | ||
567 | if (!label) | |
568 | label = ""; | |
569 | svg_io_graph(plot, tf->gdd_reads, tf->read_color); | |
570 | if (tf->gdd_reads->total_ios) | |
571 | svg_add_legend(plot, label, " Reads", tf->read_color); | |
572 | ||
573 | svg_io_graph(plot, tf->gdd_writes, tf->write_color); | |
574 | if (tf->gdd_writes->total_ios) { | |
575 | svg_add_legend(plot, label, " Writes", tf->write_color); | |
576 | } | |
577 | } | |
578 | if (plot->add_xlabel) | |
579 | set_xlabel(plot, "Time (seconds)"); | |
580 | svg_write_legend(plot); | |
581 | close_plot(plot); | |
582 | } | |
583 | ||
cc3d54d5 | 584 | static void plot_tput(struct plot *plot, int seconds) |
9e066e23 CM |
585 | { |
586 | struct trace_file *tf; | |
587 | char *units; | |
588 | char line[128]; | |
589 | u64 max = 0; | |
590 | ||
cc3d54d5 CM |
591 | if (active_graphs[TPUT_GRAPH_INDEX] == 0) |
592 | return; | |
593 | ||
9e066e23 CM |
594 | if (num_traces > 1) |
595 | svg_alloc_legend(plot, num_traces); | |
596 | list_for_each_entry(tf, &all_traces, list) { | |
597 | if (tf->tput_gld->max > max) | |
598 | max = tf->tput_gld->max; | |
599 | } | |
600 | list_for_each_entry(tf, &all_traces, list) | |
601 | tf->tput_gld->max = max; | |
602 | ||
9e066e23 CM |
603 | setup_axis(plot); |
604 | set_plot_label(plot, "Throughput"); | |
605 | ||
606 | tf = list_entry(all_traces.next, struct trace_file, list); | |
607 | ||
608 | scale_line_graph_bytes(&max, &units, 1024); | |
609 | sprintf(line, "%sB/s", units); | |
610 | set_ylabel(plot, line); | |
611 | set_yticks(plot, 4, 0, max, ""); | |
cc3d54d5 | 612 | set_xticks(plot, num_xticks, 0, seconds); |
9e066e23 CM |
613 | |
614 | list_for_each_entry(tf, &all_traces, list) { | |
bfb0e441 | 615 | svg_line_graph(plot, tf->tput_gld, tf->read_color, 0, 0); |
9e066e23 CM |
616 | if (num_traces > 1) |
617 | svg_add_legend(plot, tf->label, "", tf->read_color); | |
618 | } | |
619 | ||
620 | if (plot->add_xlabel) | |
621 | set_xlabel(plot, "Time (seconds)"); | |
622 | if (num_traces > 1) | |
623 | svg_write_legend(plot); | |
624 | close_plot(plot); | |
cc3d54d5 | 625 | total_graphs_written++; |
9e066e23 CM |
626 | } |
627 | ||
cc3d54d5 | 628 | static void plot_cpu(struct plot *plot, int seconds, char *label, |
8ed9516f CM |
629 | int active_index, int gld_index) |
630 | { | |
631 | struct trace_file *tf; | |
632 | int max = 0; | |
633 | int i; | |
634 | int gld_i; | |
635 | char *color; | |
636 | double avg = 0; | |
637 | int ymax; | |
638 | int plotted = 0; | |
639 | ||
cc3d54d5 CM |
640 | if (active_graphs[active_index] == 0) |
641 | return; | |
642 | ||
8ed9516f CM |
643 | list_for_each_entry(tf, &all_traces, list) { |
644 | if (tf->trace->mpstat_num_cpus > max) | |
645 | max = tf->trace->mpstat_num_cpus; | |
646 | } | |
647 | if (max == 0) | |
cc3d54d5 | 648 | return; |
8ed9516f CM |
649 | |
650 | tf = list_entry(all_traces.next, struct trace_file, list); | |
651 | ||
652 | ymax = tf->mpstat_gld[gld_index]->max; | |
653 | if (ymax == 0) | |
cc3d54d5 | 654 | return; |
8ed9516f CM |
655 | |
656 | svg_alloc_legend(plot, num_traces * max); | |
657 | ||
8ed9516f CM |
658 | setup_axis(plot); |
659 | set_plot_label(plot, label); | |
660 | ||
661 | seconds = tf->mpstat_seconds; | |
662 | ||
663 | set_yticks(plot, 4, 0, tf->mpstat_gld[gld_index]->max, ""); | |
664 | set_ylabel(plot, "Percent"); | |
cc3d54d5 | 665 | set_xticks(plot, num_xticks, 0, seconds); |
8ed9516f CM |
666 | |
667 | cpu_color_index = 0; | |
668 | list_for_each_entry(tf, &all_traces, list) { | |
669 | for (i = 0; i < tf->mpstat_gld[0]->stop_seconds; i++) { | |
670 | if (tf->mpstat_gld[gld_index]->data[i].count) { | |
671 | avg += (tf->mpstat_gld[gld_index]->data[i].sum / | |
672 | tf->mpstat_gld[gld_index]->data[i].count); | |
673 | } | |
674 | } | |
675 | avg /= tf->mpstat_gld[gld_index]->stop_seconds; | |
676 | color = pick_cpu_color(); | |
677 | svg_line_graph(plot, tf->mpstat_gld[0], color, 0, 0); | |
678 | svg_add_legend(plot, tf->label, " avg", color); | |
679 | ||
680 | for (i = 1; i < tf->trace->mpstat_num_cpus + 1; i++) { | |
681 | struct graph_line_data *gld = tf->mpstat_gld[i * MPSTAT_GRAPHS + gld_index]; | |
682 | double this_avg = 0; | |
683 | ||
f5f8c982 CM |
684 | for (gld_i = 0; gld_i < gld->stop_seconds; gld_i++) { |
685 | if (gld->data[i].count) { | |
686 | this_avg += gld->data[i].sum / | |
687 | gld->data[i].count; | |
688 | } | |
689 | } | |
8ed9516f CM |
690 | |
691 | this_avg /= gld->stop_seconds; | |
692 | ||
693 | for (gld_i = 0; gld_i < gld->stop_seconds; gld_i++) { | |
694 | double val; | |
695 | ||
696 | if (gld->data[gld_i].count == 0) | |
697 | continue; | |
698 | val = (double)gld->data[gld_i].sum / | |
699 | gld->data[gld_i].count; | |
700 | ||
701 | if (this_avg > avg + 30 || val > 95) { | |
702 | color = pick_cpu_color(); | |
703 | svg_line_graph(plot, gld, color, avg + 30, 95); | |
704 | snprintf(line, line_len, " CPU %d\n", i - 1); | |
705 | svg_add_legend(plot, tf->label, line, color); | |
706 | plotted++; | |
707 | break; | |
708 | } | |
709 | ||
710 | } | |
711 | } | |
712 | } | |
713 | ||
714 | if (plot->add_xlabel) | |
715 | set_xlabel(plot, "Time (seconds)"); | |
716 | ||
717 | if (!plot->no_legend) { | |
718 | svg_write_legend(plot); | |
719 | svg_free_legend(plot); | |
720 | } | |
cc3d54d5 CM |
721 | close_plot(plot); |
722 | total_graphs_written++; | |
8ed9516f CM |
723 | } |
724 | ||
cc3d54d5 | 725 | static void plot_queue_depth(struct plot *plot, int seconds) |
8ed9516f CM |
726 | { |
727 | struct trace_file *tf; | |
728 | ||
cc3d54d5 CM |
729 | if (active_graphs[QUEUE_DEPTH_GRAPH_INDEX] == 0) |
730 | return; | |
8ed9516f CM |
731 | |
732 | setup_axis(plot); | |
733 | set_plot_label(plot, "Queue Depth"); | |
734 | if (num_traces > 1) | |
735 | svg_alloc_legend(plot, num_traces); | |
736 | ||
737 | tf = list_entry(all_traces.next, struct trace_file, list); | |
738 | set_ylabel(plot, "Pending IO"); | |
739 | set_yticks(plot, 4, 0, tf->queue_depth_gld->max, ""); | |
cc3d54d5 | 740 | set_xticks(plot, num_xticks, 0, seconds); |
8ed9516f CM |
741 | |
742 | list_for_each_entry(tf, &all_traces, list) { | |
743 | svg_line_graph(plot, tf->queue_depth_gld, tf->read_color, 0, 0); | |
744 | if (num_traces > 1) | |
745 | svg_add_legend(plot, tf->label, "", tf->read_color); | |
746 | } | |
747 | ||
748 | if (plot->add_xlabel) | |
749 | set_xlabel(plot, "Time (seconds)"); | |
750 | if (num_traces > 1) | |
751 | svg_write_legend(plot); | |
8ed9516f | 752 | close_plot(plot); |
cc3d54d5 | 753 | total_graphs_written++; |
8ed9516f CM |
754 | } |
755 | ||
ba758825 CM |
756 | static void convert_movie_files(char *movie_dir) |
757 | { | |
758 | fprintf(stderr, "Converting svg files in %s\n", movie_dir); | |
759 | snprintf(line, line_len, "find %s -name \\*.svg | xargs -I{} -n 1 -P 8 rsvg-convert -o {}.png {}", | |
760 | movie_dir); | |
761 | system(line); | |
762 | } | |
763 | ||
764 | static void mencode_movie(char *movie_dir) | |
765 | { | |
766 | fprintf(stderr, "Creating movie %s\n", movie_dir); | |
abf08f96 | 767 | snprintf(line, line_len, "ffmpeg -r 20 -y -i %s/%%10d-%s.svg.png -b:v 250k " |
7a147342 | 768 | "-vcodec libx264 %s", movie_dir, output_filename, output_filename); |
ba758825 CM |
769 | system(line); |
770 | } | |
771 | ||
772 | static void cleanup_movie(char *movie_dir) | |
773 | { | |
774 | fprintf(stderr, "Removing movie dir %s\n", movie_dir); | |
775 | snprintf(line, line_len, "rm %s/*", movie_dir); | |
776 | system(line); | |
777 | ||
778 | snprintf(line, line_len, "rmdir %s", movie_dir); | |
779 | system(line); | |
780 | } | |
781 | ||
782 | static void plot_io_movie(struct plot *plot) | |
783 | { | |
784 | struct trace_file *tf; | |
785 | char *movie_dir = create_movie_temp_dir(); | |
786 | int i; | |
787 | struct plot_history *read_history; | |
788 | struct plot_history *write_history; | |
789 | int batch_i; | |
790 | int movie_len = 30; | |
abf08f96 | 791 | int movie_frames_per_sec = 20; |
ba758825 CM |
792 | int total_frames = movie_len * movie_frames_per_sec; |
793 | int rows, cols; | |
794 | int batch_count; | |
8ed9516f CM |
795 | int graph_width_factor = 5; |
796 | int orig_y_offset; | |
ba758825 CM |
797 | |
798 | get_graph_size(&cols, &rows); | |
799 | batch_count = cols / total_frames; | |
800 | ||
801 | if (batch_count == 0) | |
802 | batch_count = 1; | |
803 | ||
804 | list_for_each_entry(tf, &all_traces, list) { | |
805 | char *label = tf->label; | |
806 | if (!label) | |
807 | label = ""; | |
808 | ||
809 | i = 0; | |
810 | while (i < cols) { | |
811 | snprintf(line, line_len, "%s/%010d-%s.svg", movie_dir, i, output_filename); | |
812 | set_plot_output(plot, line); | |
ba758825 | 813 | set_plot_title(plot, graph_title); |
8ed9516f CM |
814 | orig_y_offset = plot->start_y_offset; |
815 | ||
816 | plot->no_legend = 1; | |
817 | ||
818 | set_graph_size(cols / graph_width_factor, rows / 8); | |
cc3d54d5 | 819 | plot->timeline = i / graph_width_factor; |
8ed9516f | 820 | |
cc3d54d5 | 821 | plot_tput(plot, tf->gdd_reads->seconds); |
8ed9516f | 822 | |
cc3d54d5 CM |
823 | plot_cpu(plot, tf->gdd_reads->seconds, |
824 | "CPU System Time", CPU_SYS_GRAPH_INDEX, MPSTAT_SYS); | |
8ed9516f | 825 | |
cc3d54d5 CM |
826 | plot->direction = PLOT_ACROSS; |
827 | plot_queue_depth(plot, tf->gdd_reads->seconds); | |
8ed9516f CM |
828 | |
829 | /* movie graph starts here */ | |
830 | plot->start_y_offset = orig_y_offset; | |
831 | set_graph_size(cols - cols / graph_width_factor, rows); | |
832 | plot->no_legend = 0; | |
cc3d54d5 CM |
833 | plot->timeline = 0; |
834 | plot->direction = PLOT_DOWN;; | |
8ed9516f | 835 | |
abf08f96 CM |
836 | if (movie_style == MOVIE_SPINDLE) |
837 | setup_axis_spindle(plot); | |
838 | else | |
839 | setup_axis(plot); | |
840 | ||
ba758825 CM |
841 | svg_alloc_legend(plot, num_traces * 2); |
842 | ||
843 | read_history = alloc_plot_history(tf->read_color); | |
844 | write_history = alloc_plot_history(tf->write_color); | |
845 | read_history->col = i; | |
846 | write_history->col = i; | |
847 | ||
848 | if (tf->gdd_reads->total_ios) | |
849 | svg_add_legend(plot, label, " Reads", tf->read_color); | |
850 | if (tf->gdd_writes->total_ios) | |
851 | svg_add_legend(plot, label, " Writes", tf->write_color); | |
852 | ||
853 | batch_i = 0; | |
854 | while (i < cols && batch_i < batch_count) { | |
ba758825 | 855 | svg_io_graph_movie(tf->gdd_reads, read_history, i); |
ba758825 CM |
856 | svg_io_graph_movie(tf->gdd_writes, write_history, i); |
857 | i++; | |
858 | batch_i++; | |
859 | } | |
860 | ||
861 | add_history(read_history, &movie_history_reads); | |
862 | add_history(write_history, &movie_history_writes); | |
863 | ||
864 | plot_movie_history(plot, &movie_history_reads); | |
865 | plot_movie_history(plot, &movie_history_writes); | |
866 | ||
867 | svg_write_legend(plot); | |
868 | close_plot(plot); | |
ba758825 | 869 | close_plot(plot); |
ba758825 | 870 | |
abf08f96 | 871 | close_plot_file(plot); |
ba758825 CM |
872 | } |
873 | free_all_plot_history(&movie_history_reads); | |
874 | free_all_plot_history(&movie_history_writes); | |
875 | } | |
876 | convert_movie_files(movie_dir); | |
877 | mencode_movie(movie_dir); | |
878 | cleanup_movie(movie_dir); | |
879 | free(movie_dir); | |
880 | } | |
881 | ||
9e066e23 CM |
882 | static void plot_latency(struct plot *plot, int seconds) |
883 | { | |
884 | struct trace_file *tf; | |
885 | char *units; | |
886 | char line[128]; | |
887 | u64 max = 0; | |
888 | ||
889 | if (active_graphs[LATENCY_GRAPH_INDEX] == 0) | |
890 | return; | |
891 | ||
892 | if (num_traces > 1) | |
893 | svg_alloc_legend(plot, num_traces); | |
894 | list_for_each_entry(tf, &all_traces, list) { | |
895 | if (tf->latency_gld->max > max) | |
896 | max = tf->latency_gld->max; | |
897 | } | |
898 | list_for_each_entry(tf, &all_traces, list) | |
899 | tf->latency_gld->max = max; | |
900 | ||
9e066e23 CM |
901 | setup_axis(plot); |
902 | set_plot_label(plot, "IO Latency"); | |
903 | ||
904 | tf = list_entry(all_traces.next, struct trace_file, list); | |
905 | ||
906 | scale_line_graph_time(&max, &units); | |
907 | sprintf(line, "latency (%ss)", units); | |
908 | set_ylabel(plot, line); | |
909 | set_yticks(plot, 4, 0, max, ""); | |
cc3d54d5 | 910 | set_xticks(plot, num_xticks, 0, seconds); |
9e066e23 CM |
911 | |
912 | list_for_each_entry(tf, &all_traces, list) { | |
bfb0e441 | 913 | svg_line_graph(plot, tf->latency_gld, tf->read_color, 0, 0); |
9e066e23 CM |
914 | if (num_traces > 1) |
915 | svg_add_legend(plot, tf->label, "", tf->read_color); | |
916 | } | |
917 | ||
918 | if (plot->add_xlabel) | |
919 | set_xlabel(plot, "Time (seconds)"); | |
920 | if (num_traces > 1) | |
921 | svg_write_legend(plot); | |
922 | close_plot(plot); | |
cc3d54d5 | 923 | total_graphs_written++; |
9e066e23 CM |
924 | } |
925 | ||
9e066e23 CM |
926 | static void plot_iops(struct plot *plot, int seconds) |
927 | { | |
928 | struct trace_file *tf; | |
929 | char *units; | |
930 | u64 max = 0; | |
931 | ||
932 | if (active_graphs[IOPS_GRAPH_INDEX] == 0) | |
933 | return; | |
934 | ||
935 | list_for_each_entry(tf, &all_traces, list) { | |
936 | if (tf->iop_gld->max > max) | |
937 | max = tf->iop_gld->max; | |
938 | } | |
939 | ||
940 | list_for_each_entry(tf, &all_traces, list) | |
941 | tf->iop_gld->max = max; | |
942 | ||
9e066e23 CM |
943 | setup_axis(plot); |
944 | set_plot_label(plot, "IOPs"); | |
945 | if (num_traces > 1) | |
946 | svg_alloc_legend(plot, num_traces); | |
947 | ||
948 | tf = list_entry(all_traces.next, struct trace_file, list); | |
949 | ||
950 | scale_line_graph_bytes(&max, &units, 1000); | |
951 | set_ylabel(plot, "IO/s"); | |
952 | ||
953 | set_yticks(plot, 4, 0, max, units); | |
cc3d54d5 | 954 | set_xticks(plot, num_xticks, 0, seconds); |
9e066e23 CM |
955 | |
956 | list_for_each_entry(tf, &all_traces, list) { | |
bfb0e441 | 957 | svg_line_graph(plot, tf->iop_gld, tf->read_color, 0, 0); |
9e066e23 CM |
958 | if (num_traces > 1) |
959 | svg_add_legend(plot, tf->label, "", tf->read_color); | |
960 | } | |
961 | ||
962 | if (plot->add_xlabel) | |
963 | set_xlabel(plot, "Time (seconds)"); | |
964 | if (num_traces > 1) | |
965 | svg_write_legend(plot); | |
966 | ||
967 | close_plot(plot); | |
cc3d54d5 CM |
968 | total_graphs_written++; |
969 | } | |
970 | ||
971 | static void check_plot_columns(struct plot *plot, int index) | |
972 | { | |
973 | int count; | |
974 | ||
975 | if (columns > 1 && (total_graphs_written == 0 || | |
976 | total_graphs_written % columns != 0)) { | |
977 | count = graphs_left(index); | |
978 | if (plot->direction == PLOT_DOWN) { | |
979 | plot->start_x_offset = 0; | |
980 | if (count <= columns) | |
981 | plot->add_xlabel = 1; | |
982 | } | |
983 | plot->direction = PLOT_ACROSS; | |
984 | ||
985 | } else { | |
986 | plot->direction = PLOT_DOWN; | |
987 | if (index == last_active_graph) | |
988 | plot->add_xlabel = 1; | |
989 | } | |
990 | ||
9e066e23 CM |
991 | } |
992 | ||
ba758825 CM |
993 | enum { |
994 | HELP_LONG_OPT = 1, | |
995 | }; | |
996 | ||
cc3d54d5 | 997 | char *option_string = "T:t:o:l:r:O:N:d:p:m::h:w:c:"; |
ba758825 | 998 | static struct option long_options[] = { |
cc3d54d5 | 999 | {"columns", required_argument, 0, 'c'}, |
ba758825 CM |
1000 | {"title", required_argument, 0, 'T'}, |
1001 | {"trace", required_argument, 0, 't'}, | |
1002 | {"output", required_argument, 0, 'o'}, | |
1003 | {"label", required_argument, 0, 'l'}, | |
1004 | {"rolling", required_argument, 0, 'r'}, | |
1005 | {"no-graph", required_argument, 0, 'N'}, | |
1006 | {"only-graph", required_argument, 0, 'O'}, | |
1007 | {"device", required_argument, 0, 'd'}, | |
1008 | {"prog", required_argument, 0, 'p'}, | |
abf08f96 | 1009 | {"movie", optional_argument, 0, 'm'}, |
ba758825 CM |
1010 | {"width", required_argument, 0, 'w'}, |
1011 | {"height", required_argument, 0, 'h'}, | |
5a870f23 | 1012 | {"help", no_argument, 0, HELP_LONG_OPT}, |
ba758825 CM |
1013 | {0, 0, 0, 0} |
1014 | }; | |
1015 | ||
1016 | static void print_usage(void) | |
1017 | { | |
1018 | fprintf(stderr, "iowatcher usage:\n" | |
1019 | "\t-d (--device): device for blktrace to trace\n" | |
1020 | "\t-t (--trace): trace file name (more than one allowed)\n" | |
1021 | "\t-l (--label): trace label in the graph\n" | |
1022 | "\t-o (--output): output file name (SVG only)\n" | |
1023 | "\t-p (--prog): program to run while blktrace is run\n" | |
c5245584 | 1024 | "\t-m (--movie [=spindle|rect]): create IO animations\n" |
ba758825 CM |
1025 | "\t-r (--rolling): number of seconds in the rolling averge\n" |
1026 | "\t-T (--title): graph title\n" | |
5122a20d CM |
1027 | "\t-N (--no-graph): skip a single graph (io, tput, latency, queue_depth, \n" |
1028 | "\t\t\tiops, cpu-sys, cpu-io, cpu-irq cpu-soft cpu-user)\n" | |
1029 | "\t-O (--only-graph): add a single graph to the output\n" | |
ba758825 CM |
1030 | "\t-h (--height): set the height of each graph\n" |
1031 | "\t-w (--width): set the width of each graph\n" | |
cc3d54d5 | 1032 | "\t-c (--columns): numbers of columns in graph output\n" |
ba758825 CM |
1033 | ); |
1034 | exit(1); | |
1035 | } | |
1036 | ||
1037 | static int parse_options(int ac, char **av) | |
1038 | { | |
1039 | int c; | |
1040 | int disabled = 0; | |
1041 | ||
1042 | while (1) { | |
1043 | // int this_option_optind = optind ? optind : 1; | |
1044 | int option_index = 0; | |
1045 | ||
1046 | c = getopt_long(ac, av, option_string, | |
1047 | long_options, &option_index); | |
1048 | ||
1049 | if (c == -1) | |
1050 | break; | |
1051 | ||
1052 | switch(c) { | |
1053 | case 'T': | |
1054 | graph_title = strdup(optarg); | |
1055 | break; | |
1056 | case 't': | |
1057 | add_trace_file(optarg); | |
1058 | set_blktrace_outfile(optarg); | |
1059 | break; | |
1060 | case 'o': | |
1061 | output_filename = strdup(optarg); | |
1062 | break; | |
1063 | case 'l': | |
1064 | set_trace_label(optarg); | |
1065 | break; | |
1066 | case 'r': | |
1067 | set_rolling_avg(atoi(optarg)); | |
1068 | break; | |
1069 | case 'O': | |
1070 | if (!disabled) { | |
1071 | disable_all_graphs(); | |
1072 | disabled = 1; | |
1073 | } | |
1074 | enable_one_graph(optarg); | |
1075 | break; | |
1076 | case 'N': | |
1077 | disable_one_graph(optarg); | |
1078 | break; | |
1079 | case 'd': | |
1080 | blktrace_device = strdup(optarg); | |
1081 | break; | |
1082 | case 'p': | |
1083 | program_to_run = strdup(optarg); | |
1084 | break; | |
1085 | case 'm': | |
1086 | make_movie = 1; | |
abf08f96 CM |
1087 | if (optarg) { |
1088 | movie_style = lookup_movie_style(optarg); | |
1089 | if (movie_style < 0) { | |
1090 | fprintf(stderr, "Unknown movie style %s\n", optarg); | |
1091 | print_usage(); | |
1092 | } | |
1093 | } | |
1094 | fprintf(stderr, "Using movie style: %s\n", | |
1095 | movie_styles[movie_style]); | |
ba758825 CM |
1096 | break; |
1097 | case 'h': | |
1098 | opt_graph_height = atoi(optarg); | |
1099 | break; | |
1100 | case 'w': | |
1101 | opt_graph_width = atoi(optarg); | |
1102 | break; | |
cc3d54d5 CM |
1103 | case 'c': |
1104 | columns = atoi(optarg); | |
1105 | break; | |
ba758825 CM |
1106 | case '?': |
1107 | case HELP_LONG_OPT: | |
1108 | print_usage(); | |
1109 | break; | |
1110 | default: | |
1111 | break; | |
1112 | } | |
1113 | } | |
1114 | return 0; | |
1115 | } | |
1116 | ||
1117 | ||
9e066e23 CM |
1118 | int main(int ac, char **av) |
1119 | { | |
1120 | struct plot *plot; | |
1121 | int seconds = 0; | |
1122 | u64 max_offset = 0; | |
9e066e23 CM |
1123 | struct trace_file *tf; |
1124 | int ret; | |
cc3d54d5 | 1125 | int rows, cols; |
9e066e23 CM |
1126 | |
1127 | init_io_hash_table(); | |
1128 | ||
1129 | enable_all_graphs(); | |
1130 | ||
1131 | parse_options(ac, av); | |
1132 | ||
1133 | last_active_graph = last_graph(); | |
ba758825 CM |
1134 | if (make_movie) { |
1135 | set_io_graph_scale(256); | |
abf08f96 | 1136 | if (movie_style == MOVIE_SPINDLE) |
8ed9516f | 1137 | set_graph_size(750, 550); |
abf08f96 CM |
1138 | else |
1139 | set_graph_size(700, 400); | |
cc3d54d5 CM |
1140 | |
1141 | /* | |
1142 | * the plots in the movie don't have a seconds | |
1143 | * line yet, this makes us skip it | |
1144 | */ | |
1145 | last_active_graph = TOTAL_GRAPHS + 1; | |
ba758825 CM |
1146 | } |
1147 | if (opt_graph_height) | |
1148 | set_graph_height(opt_graph_height); | |
1149 | ||
1150 | if (opt_graph_width) | |
cc3d54d5 | 1151 | set_graph_width(opt_graph_width); |
9e066e23 CM |
1152 | |
1153 | if (list_empty(&all_traces)) { | |
1154 | fprintf(stderr, "No traces found, exiting\n"); | |
1155 | exit(1); | |
1156 | } | |
1157 | ||
1158 | if (blktrace_device) { | |
1159 | ret = start_blktrace(blktrace_device, blktrace_outfile, | |
1160 | blktrace_dest_dir); | |
1161 | if (ret) { | |
1162 | fprintf(stderr, "exiting due to blktrace failure\n"); | |
1163 | exit(1); | |
1164 | } | |
e199d546 | 1165 | start_mpstat(blktrace_outfile); |
9e066e23 CM |
1166 | if (program_to_run) { |
1167 | ret = run_program(program_to_run); | |
1168 | if (ret) { | |
1169 | fprintf(stderr, "failed to run %s\n", | |
1170 | program_to_run); | |
1171 | exit(1); | |
1172 | } | |
1173 | wait_for_tracers(); | |
1174 | blktrace_to_dump(blktrace_outfile); | |
1175 | } else { | |
1176 | /* no program specified, just wait for | |
1177 | * blktrace to exit | |
1178 | */ | |
1179 | wait_for_tracers(); | |
1180 | } | |
1181 | } | |
1182 | ||
1183 | /* step one, read all the traces */ | |
1184 | read_traces(); | |
1185 | ||
1186 | /* step two, find the maxes for time and offset */ | |
1187 | list_for_each_entry(tf, &all_traces, list) | |
1188 | compare_max_tf(tf, &seconds, &max_offset); | |
1189 | ||
1190 | /* push the max we found into all the tfs */ | |
1191 | set_all_max_tf(seconds, max_offset); | |
1192 | ||
1193 | /* alloc graphing structs for all the traces */ | |
1194 | setup_trace_file_graphs(); | |
1195 | ||
1196 | /* run through all the traces and read their events */ | |
1197 | read_trace_events(); | |
1198 | ||
ba758825 CM |
1199 | plot = alloc_plot(); |
1200 | ||
1201 | if (make_movie) { | |
1202 | plot_io_movie(plot); | |
1203 | exit(0); | |
9e066e23 CM |
1204 | } |
1205 | ||
ba758825 | 1206 | set_plot_output(plot, output_filename); |
9e066e23 | 1207 | |
e199d546 | 1208 | if (active_graphs[IO_GRAPH_INDEX] || found_mpstat) |
9e066e23 CM |
1209 | set_legend_width(longest_label + strlen("writes")); |
1210 | else if (num_traces > 1) | |
1211 | set_legend_width(longest_label); | |
1212 | else | |
1213 | set_legend_width(0); | |
1214 | ||
cc3d54d5 CM |
1215 | get_graph_size(&cols, &rows); |
1216 | if (columns > 1) | |
1217 | plot->add_xlabel = 1; | |
e4df8968 | 1218 | set_plot_title(plot, graph_title); |
cc3d54d5 | 1219 | |
9e066e23 | 1220 | plot_io(plot, seconds, max_offset); |
cc3d54d5 CM |
1221 | plot->add_xlabel = 0; |
1222 | ||
1223 | if (columns > 1) { | |
1224 | set_graph_size(cols / columns, rows); | |
1225 | num_xticks /= columns; | |
1226 | if (num_xticks < 2) | |
1227 | num_xticks = 2; | |
1228 | } | |
1229 | ||
1230 | check_plot_columns(plot, TPUT_GRAPH_INDEX); | |
9e066e23 | 1231 | plot_tput(plot, seconds); |
cc3d54d5 CM |
1232 | |
1233 | check_plot_columns(plot, CPU_IO_GRAPH_INDEX); | |
e199d546 CM |
1234 | plot_cpu(plot, seconds, "CPU IO Wait Time", |
1235 | CPU_IO_GRAPH_INDEX, MPSTAT_IO); | |
cc3d54d5 CM |
1236 | |
1237 | check_plot_columns(plot, CPU_SYS_GRAPH_INDEX); | |
e199d546 CM |
1238 | plot_cpu(plot, seconds, "CPU System Time", |
1239 | CPU_SYS_GRAPH_INDEX, MPSTAT_SYS); | |
cc3d54d5 CM |
1240 | |
1241 | check_plot_columns(plot, CPU_IRQ_GRAPH_INDEX); | |
e199d546 CM |
1242 | plot_cpu(plot, seconds, "CPU IRQ Time", |
1243 | CPU_IRQ_GRAPH_INDEX, MPSTAT_IRQ); | |
cc3d54d5 CM |
1244 | |
1245 | check_plot_columns(plot, CPU_SOFT_GRAPH_INDEX); | |
e199d546 CM |
1246 | plot_cpu(plot, seconds, "CPU SoftIRQ Time", |
1247 | CPU_SOFT_GRAPH_INDEX, MPSTAT_SOFT); | |
cc3d54d5 CM |
1248 | |
1249 | check_plot_columns(plot, CPU_USER_GRAPH_INDEX); | |
e199d546 CM |
1250 | plot_cpu(plot, seconds, "CPU User Time", |
1251 | CPU_USER_GRAPH_INDEX, MPSTAT_USER); | |
1252 | ||
cc3d54d5 | 1253 | check_plot_columns(plot, LATENCY_GRAPH_INDEX); |
9e066e23 | 1254 | plot_latency(plot, seconds); |
cc3d54d5 CM |
1255 | |
1256 | check_plot_columns(plot, QUEUE_DEPTH_GRAPH_INDEX); | |
9e066e23 | 1257 | plot_queue_depth(plot, seconds); |
cc3d54d5 CM |
1258 | |
1259 | check_plot_columns(plot, IOPS_GRAPH_INDEX); | |
9e066e23 CM |
1260 | plot_iops(plot, seconds); |
1261 | ||
1262 | /* once for all */ | |
1263 | close_plot(plot); | |
abf08f96 | 1264 | close_plot_file(plot); |
9e066e23 CM |
1265 | return 0; |
1266 | } |