Commit | Line | Data |
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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> | |
d140b434 JK |
34 | #include <limits.h> |
35 | #include <float.h> | |
9e066e23 CM |
36 | |
37 | #include "plot.h" | |
38 | #include "blkparse.h" | |
39 | #include "list.h" | |
40 | #include "tracers.h" | |
e199d546 | 41 | #include "mpstat.h" |
9e066e23 CM |
42 | |
43 | LIST_HEAD(all_traces); | |
44 | ||
ba758825 CM |
45 | static char line[1024]; |
46 | static int line_len = 1024; | |
e199d546 CM |
47 | static int found_mpstat = 0; |
48 | static int cpu_color_index = 0; | |
9e066e23 | 49 | static int color_index = 0; |
ba758825 CM |
50 | static int make_movie = 0; |
51 | static int opt_graph_width = 0; | |
52 | static int opt_graph_height = 0; | |
53 | ||
cc3d54d5 | 54 | static int columns = 1; |
a78b574c | 55 | static int num_xticks = 7; |
1e1e3f04 | 56 | static int num_yticks = 4; |
cc3d54d5 | 57 | |
d140b434 JK |
58 | static double min_time = 0; |
59 | static double max_time = DBL_MAX; | |
60 | static unsigned long long min_mb = 0; | |
61 | static unsigned long long max_mb = ULLONG_MAX >> 20; | |
62 | ||
f2e40ddd JK |
63 | int plot_io_action = 0; |
64 | ||
cc3d54d5 CM |
65 | /* |
66 | * this doesn't include the IO graph, | |
67 | * but it counts the other graphs as they go out | |
68 | */ | |
69 | static int total_graphs_written = 1; | |
70 | ||
9e066e23 CM |
71 | char *colors[] = { |
72 | "blue", "darkgreen", | |
73 | "red", "aqua", | |
74 | "orange", "darkviolet", | |
75 | "brown", "#00FF00", | |
76 | "yellow", "coral", | |
77 | "black", "darkred", | |
78 | "fuchsia", "crimson", | |
79 | NULL }; | |
80 | ||
81 | char *pick_color(void) { | |
82 | char *ret = colors[color_index]; | |
83 | if (!ret) { | |
84 | color_index = 0; | |
85 | ret = colors[color_index]; | |
86 | } | |
87 | color_index++; | |
88 | return ret; | |
89 | } | |
90 | ||
91 | char *pick_cpu_color(void) { | |
e199d546 | 92 | char *ret = colors[cpu_color_index]; |
9e066e23 CM |
93 | if (!ret) { |
94 | color_index = 0; | |
e199d546 | 95 | ret = colors[cpu_color_index]; |
9e066e23 | 96 | } |
e199d546 | 97 | cpu_color_index++; |
9e066e23 CM |
98 | return ret; |
99 | } | |
100 | ||
101 | enum { | |
102 | IO_GRAPH_INDEX = 0, | |
103 | TPUT_GRAPH_INDEX, | |
e199d546 CM |
104 | CPU_SYS_GRAPH_INDEX, |
105 | CPU_IO_GRAPH_INDEX, | |
106 | CPU_IRQ_GRAPH_INDEX, | |
107 | CPU_SOFT_GRAPH_INDEX, | |
108 | CPU_USER_GRAPH_INDEX, | |
9e066e23 CM |
109 | LATENCY_GRAPH_INDEX, |
110 | QUEUE_DEPTH_GRAPH_INDEX, | |
111 | IOPS_GRAPH_INDEX, | |
112 | TOTAL_GRAPHS | |
113 | }; | |
114 | ||
e199d546 CM |
115 | enum { |
116 | MPSTAT_SYS = 0, | |
117 | MPSTAT_IRQ, | |
118 | MPSTAT_IO, | |
119 | MPSTAT_SOFT, | |
120 | MPSTAT_USER, | |
121 | MPSTAT_GRAPHS | |
122 | }; | |
123 | ||
9e066e23 CM |
124 | static char *graphs_by_name[] = { |
125 | "io", | |
126 | "tput", | |
e199d546 CM |
127 | "cpu-sys", |
128 | "cpu-io", | |
129 | "cpu-irq", | |
130 | "cpu-soft", | |
131 | "cpu-user", | |
9e066e23 CM |
132 | "latency", |
133 | "queue-depth", | |
134 | "iops", | |
135 | }; | |
136 | ||
abf08f96 CM |
137 | enum { |
138 | MOVIE_SPINDLE, | |
139 | MOVIE_RECT, | |
140 | NUM_MOVIE_STYLES, | |
141 | }; | |
142 | ||
143 | char *movie_styles[] = { | |
144 | "spindle", | |
145 | "rect", | |
146 | NULL | |
147 | }; | |
148 | ||
149 | static int movie_style = 0; | |
150 | ||
151 | static int lookup_movie_style(char *str) | |
152 | { | |
153 | int i; | |
154 | ||
155 | for (i = 0; i < NUM_MOVIE_STYLES; i++) { | |
156 | if (strcmp(str, movie_styles[i]) == 0) | |
157 | return i; | |
158 | } | |
159 | return -1; | |
160 | } | |
161 | ||
9e066e23 CM |
162 | static int active_graphs[TOTAL_GRAPHS]; |
163 | static int last_active_graph = IOPS_GRAPH_INDEX; | |
164 | ||
165 | static int label_index = 0; | |
166 | static int num_traces = 0; | |
167 | static int longest_label = 0; | |
168 | ||
169 | struct trace_file { | |
170 | struct list_head list; | |
171 | char *filename; | |
172 | char *label; | |
173 | struct trace *trace; | |
230f0601 JK |
174 | int stop_seconds; /* Time when trace stops */ |
175 | int min_seconds; /* Beginning of the interval we should plot */ | |
176 | int max_seconds; /* End of the interval we should plot */ | |
9b9fa04b | 177 | u64 min_offset; |
9e066e23 CM |
178 | u64 max_offset; |
179 | ||
180 | char *read_color; | |
181 | char *write_color; | |
182 | ||
183 | struct graph_line_data *tput_gld; | |
184 | struct graph_line_data *iop_gld; | |
185 | struct graph_line_data *latency_gld; | |
186 | struct graph_line_data *queue_depth_gld; | |
187 | struct graph_dot_data *gdd_writes; | |
188 | struct graph_dot_data *gdd_reads; | |
e199d546 | 189 | |
230f0601 | 190 | int mpstat_min_seconds; |
f752a6eb | 191 | int mpstat_max_seconds; |
e199d546 CM |
192 | int mpstat_stop_seconds; |
193 | struct graph_line_data **mpstat_gld; | |
9e066e23 CM |
194 | }; |
195 | ||
e199d546 CM |
196 | static void alloc_mpstat_gld(struct trace_file *tf) |
197 | { | |
198 | struct graph_line_data **ptr; | |
199 | ||
200 | if (tf->trace->mpstat_num_cpus == 0) | |
201 | return; | |
202 | ||
203 | ptr = calloc((tf->trace->mpstat_num_cpus + 1) * MPSTAT_GRAPHS, | |
204 | sizeof(struct graph_line_data *)); | |
205 | if (!ptr) { | |
206 | perror("Unable to allocate mpstat arrays\n"); | |
207 | exit(1); | |
208 | } | |
209 | tf->mpstat_gld = ptr; | |
210 | } | |
211 | ||
9e066e23 CM |
212 | static void enable_all_graphs(void) |
213 | { | |
214 | int i; | |
215 | for (i = 0; i < TOTAL_GRAPHS; i++) | |
216 | active_graphs[i] = 1; | |
217 | } | |
218 | ||
219 | static void disable_all_graphs(void) | |
220 | { | |
221 | int i; | |
222 | for (i = 0; i < TOTAL_GRAPHS; i++) | |
223 | active_graphs[i] = 0; | |
224 | } | |
225 | ||
226 | static int enable_one_graph(char *name) | |
227 | { | |
228 | int i; | |
229 | for (i = 0; i < TOTAL_GRAPHS; i++) { | |
230 | if (strcmp(name, graphs_by_name[i]) == 0) { | |
231 | active_graphs[i] = 1; | |
232 | return 0; | |
233 | } | |
234 | } | |
235 | return -ENOENT; | |
236 | } | |
237 | ||
238 | static int disable_one_graph(char *name) | |
239 | { | |
240 | int i; | |
241 | for (i = 0; i < TOTAL_GRAPHS; i++) { | |
242 | if (strcmp(name, graphs_by_name[i]) == 0) { | |
243 | active_graphs[i] = 0; | |
244 | return 0; | |
245 | } | |
246 | } | |
247 | return -ENOENT; | |
248 | } | |
249 | ||
250 | static int last_graph(void) | |
251 | { | |
252 | int i; | |
253 | for (i = TOTAL_GRAPHS - 1; i >= 0; i--) { | |
254 | if (active_graphs[i]) { | |
255 | return i; | |
256 | } | |
257 | } | |
258 | return -ENOENT; | |
259 | } | |
cc3d54d5 CM |
260 | |
261 | static int graphs_left(int cur) | |
262 | { | |
263 | int i; | |
264 | int left = 0; | |
265 | for (i = cur; i < TOTAL_GRAPHS; i++) { | |
266 | if (active_graphs[i]) | |
267 | left++; | |
268 | } | |
269 | return left; | |
270 | } | |
271 | ||
9e066e23 CM |
272 | static void add_trace_file(char *filename) |
273 | { | |
274 | struct trace_file *tf; | |
275 | ||
276 | tf = calloc(1, sizeof(*tf)); | |
277 | if (!tf) { | |
278 | fprintf(stderr, "Unable to allocate memory\n"); | |
279 | exit(1); | |
280 | } | |
e199d546 | 281 | tf->label = ""; |
9e066e23 CM |
282 | tf->filename = strdup(filename); |
283 | list_add_tail(&tf->list, &all_traces); | |
284 | tf->read_color = pick_color(); | |
285 | tf->write_color = pick_color(); | |
286 | num_traces++; | |
287 | } | |
288 | ||
289 | static void setup_trace_file_graphs(void) | |
290 | { | |
291 | struct trace_file *tf; | |
e199d546 | 292 | int i; |
9e066e23 CM |
293 | |
294 | list_for_each_entry(tf, &all_traces, list) { | |
230f0601 JK |
295 | tf->tput_gld = alloc_line_data(tf->min_seconds, tf->max_seconds, tf->stop_seconds); |
296 | tf->latency_gld = alloc_line_data(tf->min_seconds, tf->max_seconds, tf->stop_seconds); | |
297 | tf->queue_depth_gld = alloc_line_data(tf->min_seconds, tf->max_seconds, tf->stop_seconds); | |
298 | tf->iop_gld = alloc_line_data(tf->min_seconds, tf->max_seconds, tf->stop_seconds); | |
299 | tf->gdd_writes = alloc_dot_data(tf->min_seconds, tf->max_seconds, tf->min_offset, tf->max_offset, tf->stop_seconds); | |
300 | tf->gdd_reads = alloc_dot_data(tf->min_seconds, tf->max_seconds, tf->min_offset, tf->max_offset, tf->stop_seconds); | |
e199d546 CM |
301 | |
302 | if (tf->trace->mpstat_num_cpus == 0) | |
303 | continue; | |
304 | ||
305 | alloc_mpstat_gld(tf); | |
306 | for (i = 0; i < (tf->trace->mpstat_num_cpus + 1) * MPSTAT_GRAPHS; i++) { | |
307 | tf->mpstat_gld[i] = | |
230f0601 JK |
308 | alloc_line_data(tf->mpstat_min_seconds, |
309 | tf->mpstat_max_seconds, | |
f752a6eb | 310 | tf->mpstat_max_seconds); |
e199d546 CM |
311 | tf->mpstat_gld[i]->max = 100; |
312 | } | |
9e066e23 CM |
313 | } |
314 | } | |
315 | ||
316 | static void read_traces(void) | |
317 | { | |
318 | struct trace_file *tf; | |
319 | struct trace *trace; | |
320 | u64 last_time; | |
321 | u64 ymin; | |
322 | u64 ymax; | |
bfb0e441 CM |
323 | u64 max_bank; |
324 | u64 max_bank_offset; | |
9e066e23 CM |
325 | |
326 | list_for_each_entry(tf, &all_traces, list) { | |
327 | trace = open_trace(tf->filename); | |
328 | if (!trace) | |
329 | exit(1); | |
330 | ||
331 | last_time = find_last_time(trace); | |
332 | tf->trace = trace; | |
f752a6eb | 333 | tf->max_seconds = SECONDS(last_time); |
9e066e23 | 334 | tf->stop_seconds = SECONDS(last_time); |
9b9fa04b JK |
335 | find_extreme_offsets(trace, &tf->min_offset, &tf->max_offset, |
336 | &max_bank, &max_bank_offset); | |
337 | filter_outliers(trace, tf->min_offset, tf->max_offset, &ymin, &ymax); | |
338 | tf->min_offset = ymin; | |
9e066e23 | 339 | tf->max_offset = ymax; |
e199d546 CM |
340 | |
341 | read_mpstat(trace, tf->filename); | |
342 | tf->mpstat_stop_seconds = trace->mpstat_seconds; | |
f752a6eb JK |
343 | tf->mpstat_max_seconds = trace->mpstat_seconds; |
344 | if (tf->mpstat_max_seconds) | |
e199d546 | 345 | found_mpstat = 1; |
9e066e23 CM |
346 | } |
347 | } | |
348 | ||
349 | static void read_trace_events(void) | |
350 | { | |
351 | ||
352 | struct trace_file *tf; | |
353 | struct trace *trace; | |
354 | int ret; | |
e199d546 CM |
355 | int i; |
356 | int time; | |
357 | double user, sys, iowait, irq, soft; | |
358 | double max_user = 0, max_sys = 0, max_iowait = 0, | |
359 | max_irq = 0, max_soft = 0; | |
9e066e23 CM |
360 | |
361 | list_for_each_entry(tf, &all_traces, list) { | |
362 | trace = tf->trace; | |
363 | first_record(trace); | |
364 | while (1) { | |
365 | check_record(trace); | |
366 | add_tput(trace, tf->tput_gld); | |
367 | add_iop(trace, tf->iop_gld); | |
368 | add_io(trace, tf->gdd_writes, tf->gdd_reads); | |
369 | add_pending_io(trace, tf->queue_depth_gld); | |
370 | add_completed_io(trace, tf->latency_gld); | |
371 | ret = next_record(trace); | |
372 | if (ret) | |
373 | break; | |
374 | } | |
375 | } | |
e199d546 CM |
376 | list_for_each_entry(tf, &all_traces, list) { |
377 | trace = tf->trace; | |
378 | ||
379 | if (trace->mpstat_num_cpus == 0) | |
380 | continue; | |
381 | ||
382 | first_mpstat(trace); | |
383 | ||
384 | for (time = 0; time < tf->mpstat_stop_seconds; time ++) { | |
385 | for (i = 0; i < (trace->mpstat_num_cpus + 1) * MPSTAT_GRAPHS; i += MPSTAT_GRAPHS) { | |
386 | ret = read_mpstat_event(trace, &user, &sys, | |
387 | &iowait, &irq, &soft); | |
388 | if (ret) | |
389 | goto mpstat_done; | |
390 | if (next_mpstat_line(trace)) | |
391 | goto mpstat_done; | |
392 | ||
393 | if (sys > max_sys) | |
394 | max_sys = sys; | |
395 | if (user > max_user) | |
396 | max_user = user; | |
397 | if (irq > max_irq) | |
398 | max_irq = irq; | |
399 | if (iowait > max_iowait) | |
400 | max_iowait = iowait; | |
401 | ||
402 | add_mpstat_gld(time, sys, tf->mpstat_gld[i + MPSTAT_SYS]); | |
403 | add_mpstat_gld(time, irq, tf->mpstat_gld[i + MPSTAT_IRQ]); | |
404 | add_mpstat_gld(time, soft, tf->mpstat_gld[i + MPSTAT_SOFT]); | |
405 | add_mpstat_gld(time, user, tf->mpstat_gld[i + MPSTAT_USER]); | |
406 | add_mpstat_gld(time, iowait, tf->mpstat_gld[i + MPSTAT_IO]); | |
407 | } | |
408 | if (next_mpstat(trace) == NULL) | |
409 | break; | |
410 | } | |
411 | } | |
412 | ||
413 | mpstat_done: | |
414 | list_for_each_entry(tf, &all_traces, list) { | |
415 | trace = tf->trace; | |
416 | ||
417 | if (trace->mpstat_num_cpus == 0) | |
418 | continue; | |
419 | ||
420 | tf->mpstat_gld[MPSTAT_SYS]->max = max_sys; | |
421 | tf->mpstat_gld[MPSTAT_IRQ]->max = max_irq; | |
422 | tf->mpstat_gld[MPSTAT_SOFT]->max = max_soft; | |
423 | tf->mpstat_gld[MPSTAT_USER]->max = max_user; | |
424 | tf->mpstat_gld[MPSTAT_IO]->max = max_iowait;; | |
425 | } | |
426 | return; | |
9e066e23 CM |
427 | } |
428 | ||
429 | static void set_trace_label(char *label) | |
430 | { | |
431 | int cur = 0; | |
432 | struct trace_file *tf; | |
433 | int len = strlen(label); | |
434 | ||
435 | if (len > longest_label) | |
436 | longest_label = len; | |
437 | ||
438 | list_for_each_entry(tf, &all_traces, list) { | |
439 | if (cur == label_index) { | |
440 | tf->label = strdup(label); | |
441 | label_index++; | |
442 | break; | |
443 | } | |
444 | cur++; | |
445 | } | |
446 | } | |
447 | ||
448 | static char *graph_title = ""; | |
449 | static char *output_filename = "trace.svg"; | |
450 | static char *blktrace_device = NULL; | |
451 | static char *blktrace_outfile = "trace"; | |
452 | static char *blktrace_dest_dir = "."; | |
453 | static char *program_to_run = NULL; | |
454 | ||
455 | static void set_blktrace_outfile(char *arg) | |
456 | { | |
457 | char *s = strdup(arg); | |
458 | char *last_dot = strrchr(s, '.'); | |
459 | ||
460 | if (last_dot) { | |
461 | if (strcmp(last_dot, ".dump") == 0) | |
462 | *last_dot = '\0'; | |
463 | } | |
464 | blktrace_outfile = s; | |
465 | } | |
466 | ||
467 | ||
f752a6eb | 468 | static void compare_minmax_tf(struct trace_file *tf, int *max_seconds, u64 *min_offset, u64 *max_offset) |
9e066e23 | 469 | { |
f752a6eb JK |
470 | if (tf->max_seconds > *max_seconds) |
471 | *max_seconds = tf->max_seconds; | |
ba758825 CM |
472 | if (tf->max_offset > *max_offset) |
473 | *max_offset = tf->max_offset; | |
9b9fa04b JK |
474 | if (tf->min_offset < *min_offset) |
475 | *min_offset = tf->min_offset; | |
9e066e23 CM |
476 | } |
477 | ||
230f0601 | 478 | static void set_all_minmax_tf(int min_seconds, int max_seconds, u64 min_offset, u64 max_offset) |
9e066e23 | 479 | { |
ba758825 | 480 | struct trace_file *tf; |
9e066e23 | 481 | |
ba758825 | 482 | list_for_each_entry(tf, &all_traces, list) { |
230f0601 | 483 | tf->min_seconds = min_seconds; |
f752a6eb | 484 | tf->max_seconds = max_seconds; |
d140b434 JK |
485 | if (tf->stop_seconds > max_seconds) |
486 | tf->stop_seconds = max_seconds; | |
487 | if (tf->mpstat_max_seconds) { | |
488 | tf->mpstat_min_seconds = min_seconds; | |
489 | tf->mpstat_max_seconds = max_seconds; | |
490 | if (tf->mpstat_stop_seconds > max_seconds) | |
491 | tf->mpstat_stop_seconds = max_seconds; | |
492 | } | |
9b9fa04b | 493 | tf->min_offset = min_offset; |
ba758825 CM |
494 | tf->max_offset = max_offset; |
495 | } | |
496 | } | |
9e066e23 | 497 | |
ba758825 CM |
498 | static char *create_movie_temp_dir(void) |
499 | { | |
500 | char *ret; | |
abf08f96 | 501 | char *pattern = strdup("io-movie-XXXXXX");; |
9e066e23 | 502 | |
ba758825 CM |
503 | ret = mkdtemp(pattern); |
504 | if (!ret) { | |
505 | perror("Unable to create temp directory for movie files"); | |
506 | exit(1); | |
507 | } | |
508 | return ret; | |
509 | } | |
9e066e23 | 510 | |
ba758825 CM |
511 | static struct plot_history *alloc_plot_history(char *color) |
512 | { | |
513 | struct plot_history *ph = calloc(1, sizeof(struct plot_history)); | |
514 | ||
515 | if (!ph) { | |
516 | perror("memory allocation failed"); | |
517 | exit(1); | |
9e066e23 | 518 | } |
ba758825 CM |
519 | ph->history = calloc(4096, sizeof(double)); |
520 | if (!ph->history) { | |
521 | perror("memory allocation failed"); | |
522 | exit(1); | |
523 | } | |
524 | ph->history_len = 4096; | |
525 | ph->color = color; | |
526 | return ph; | |
9e066e23 CM |
527 | } |
528 | ||
ba758825 CM |
529 | LIST_HEAD(movie_history_writes); |
530 | LIST_HEAD(movie_history_reads); | |
531 | int num_histories = 0; | |
532 | ||
533 | static void add_history(struct plot_history *ph, struct list_head *list) | |
9e066e23 | 534 | { |
ba758825 CM |
535 | struct plot_history *entry; |
536 | ||
537 | list_add_tail(&ph->list, list); | |
538 | num_histories++; | |
539 | ||
540 | if (num_histories > 12) { | |
541 | num_histories--; | |
542 | entry = list_entry(list->next, struct plot_history, list); | |
543 | list_del(&entry->list); | |
544 | free(entry->history); | |
545 | free(entry); | |
546 | } | |
9e066e23 CM |
547 | } |
548 | ||
ba758825 | 549 | static void plot_movie_history(struct plot *plot, struct list_head *list) |
9e066e23 | 550 | { |
ba758825 CM |
551 | struct plot_history *ph; |
552 | ||
abf08f96 CM |
553 | if (num_histories > 2) |
554 | rewind_spindle_steps(num_histories - 1); | |
555 | ||
ba758825 | 556 | list_for_each_entry(ph, list, list) { |
abf08f96 CM |
557 | if (movie_style == MOVIE_SPINDLE) |
558 | svg_io_graph_movie_array_spindle(plot, ph); | |
559 | else | |
560 | svg_io_graph_movie_array(plot, ph); | |
ba758825 CM |
561 | } |
562 | } | |
9e066e23 | 563 | |
ba758825 CM |
564 | static void free_all_plot_history(struct list_head *head) |
565 | { | |
566 | struct plot_history *entry; | |
567 | while (!list_empty(head)) { | |
568 | entry = list_entry(head->next, struct plot_history, list); | |
569 | list_del(&entry->list); | |
570 | free(entry->history); | |
571 | free(entry); | |
9e066e23 CM |
572 | } |
573 | } | |
574 | ||
230f0601 | 575 | static void plot_io(struct plot *plot, int min_seconds, int max_seconds, u64 min_offset, u64 max_offset) |
9e066e23 CM |
576 | { |
577 | struct trace_file *tf; | |
578 | ||
cc3d54d5 CM |
579 | if (active_graphs[IO_GRAPH_INDEX] == 0) |
580 | return; | |
581 | ||
9e066e23 CM |
582 | setup_axis(plot); |
583 | ||
584 | svg_alloc_legend(plot, num_traces * 2); | |
585 | ||
586 | set_plot_label(plot, "Device IO"); | |
587 | set_ylabel(plot, "Offset (MB)"); | |
a78b574c | 588 | set_yticks(plot, num_yticks, min_offset / (1024 * 1024), |
9b9fa04b | 589 | max_offset / (1024 * 1024), ""); |
230f0601 | 590 | set_xticks(plot, num_xticks, min_seconds, max_seconds); |
9e066e23 CM |
591 | |
592 | list_for_each_entry(tf, &all_traces, list) { | |
593 | char *label = tf->label; | |
594 | ||
595 | if (!label) | |
596 | label = ""; | |
597 | svg_io_graph(plot, tf->gdd_reads, tf->read_color); | |
598 | if (tf->gdd_reads->total_ios) | |
599 | svg_add_legend(plot, label, " Reads", tf->read_color); | |
600 | ||
601 | svg_io_graph(plot, tf->gdd_writes, tf->write_color); | |
602 | if (tf->gdd_writes->total_ios) { | |
603 | svg_add_legend(plot, label, " Writes", tf->write_color); | |
604 | } | |
605 | } | |
606 | if (plot->add_xlabel) | |
607 | set_xlabel(plot, "Time (seconds)"); | |
608 | svg_write_legend(plot); | |
609 | close_plot(plot); | |
610 | } | |
611 | ||
230f0601 | 612 | static void plot_tput(struct plot *plot, int min_seconds, int max_seconds) |
9e066e23 CM |
613 | { |
614 | struct trace_file *tf; | |
615 | char *units; | |
616 | char line[128]; | |
617 | u64 max = 0; | |
618 | ||
cc3d54d5 CM |
619 | if (active_graphs[TPUT_GRAPH_INDEX] == 0) |
620 | return; | |
621 | ||
9e066e23 CM |
622 | if (num_traces > 1) |
623 | svg_alloc_legend(plot, num_traces); | |
624 | list_for_each_entry(tf, &all_traces, list) { | |
625 | if (tf->tput_gld->max > max) | |
626 | max = tf->tput_gld->max; | |
627 | } | |
628 | list_for_each_entry(tf, &all_traces, list) | |
629 | tf->tput_gld->max = max; | |
630 | ||
9e066e23 CM |
631 | setup_axis(plot); |
632 | set_plot_label(plot, "Throughput"); | |
633 | ||
634 | tf = list_entry(all_traces.next, struct trace_file, list); | |
635 | ||
636 | scale_line_graph_bytes(&max, &units, 1024); | |
637 | sprintf(line, "%sB/s", units); | |
638 | set_ylabel(plot, line); | |
1e1e3f04 | 639 | set_yticks(plot, num_yticks, 0, max, ""); |
230f0601 | 640 | set_xticks(plot, num_xticks, min_seconds, max_seconds); |
9e066e23 CM |
641 | |
642 | list_for_each_entry(tf, &all_traces, list) { | |
bfb0e441 | 643 | svg_line_graph(plot, tf->tput_gld, tf->read_color, 0, 0); |
9e066e23 CM |
644 | if (num_traces > 1) |
645 | svg_add_legend(plot, tf->label, "", tf->read_color); | |
646 | } | |
647 | ||
648 | if (plot->add_xlabel) | |
649 | set_xlabel(plot, "Time (seconds)"); | |
650 | if (num_traces > 1) | |
651 | svg_write_legend(plot); | |
652 | close_plot(plot); | |
cc3d54d5 | 653 | total_graphs_written++; |
9e066e23 CM |
654 | } |
655 | ||
f752a6eb | 656 | static void plot_cpu(struct plot *plot, int max_seconds, char *label, |
8ed9516f CM |
657 | int active_index, int gld_index) |
658 | { | |
659 | struct trace_file *tf; | |
660 | int max = 0; | |
661 | int i; | |
662 | int gld_i; | |
663 | char *color; | |
664 | double avg = 0; | |
665 | int ymax; | |
666 | int plotted = 0; | |
667 | ||
cc3d54d5 CM |
668 | if (active_graphs[active_index] == 0) |
669 | return; | |
670 | ||
8ed9516f CM |
671 | list_for_each_entry(tf, &all_traces, list) { |
672 | if (tf->trace->mpstat_num_cpus > max) | |
673 | max = tf->trace->mpstat_num_cpus; | |
674 | } | |
675 | if (max == 0) | |
cc3d54d5 | 676 | return; |
8ed9516f CM |
677 | |
678 | tf = list_entry(all_traces.next, struct trace_file, list); | |
679 | ||
680 | ymax = tf->mpstat_gld[gld_index]->max; | |
681 | if (ymax == 0) | |
cc3d54d5 | 682 | return; |
8ed9516f CM |
683 | |
684 | svg_alloc_legend(plot, num_traces * max); | |
685 | ||
8ed9516f CM |
686 | setup_axis(plot); |
687 | set_plot_label(plot, label); | |
688 | ||
f752a6eb | 689 | max_seconds = tf->mpstat_max_seconds; |
8ed9516f | 690 | |
1e1e3f04 | 691 | set_yticks(plot, num_yticks, 0, tf->mpstat_gld[gld_index]->max, ""); |
8ed9516f | 692 | set_ylabel(plot, "Percent"); |
230f0601 | 693 | set_xticks(plot, num_xticks, tf->mpstat_min_seconds, max_seconds); |
8ed9516f CM |
694 | |
695 | cpu_color_index = 0; | |
696 | list_for_each_entry(tf, &all_traces, list) { | |
1e1e3f04 CM |
697 | if (tf->mpstat_gld == 0) |
698 | break; | |
230f0601 JK |
699 | for (i = tf->mpstat_gld[0]->min_seconds; |
700 | i < tf->mpstat_gld[0]->stop_seconds; i++) { | |
8ed9516f CM |
701 | if (tf->mpstat_gld[gld_index]->data[i].count) { |
702 | avg += (tf->mpstat_gld[gld_index]->data[i].sum / | |
703 | tf->mpstat_gld[gld_index]->data[i].count); | |
704 | } | |
705 | } | |
230f0601 JK |
706 | avg /= tf->mpstat_gld[gld_index]->stop_seconds - |
707 | tf->mpstat_gld[gld_index]->min_seconds; | |
8ed9516f CM |
708 | color = pick_cpu_color(); |
709 | svg_line_graph(plot, tf->mpstat_gld[0], color, 0, 0); | |
710 | svg_add_legend(plot, tf->label, " avg", color); | |
711 | ||
712 | for (i = 1; i < tf->trace->mpstat_num_cpus + 1; i++) { | |
713 | struct graph_line_data *gld = tf->mpstat_gld[i * MPSTAT_GRAPHS + gld_index]; | |
714 | double this_avg = 0; | |
715 | ||
230f0601 JK |
716 | for (gld_i = gld->min_seconds; |
717 | gld_i < gld->stop_seconds; gld_i++) { | |
f5f8c982 CM |
718 | if (gld->data[i].count) { |
719 | this_avg += gld->data[i].sum / | |
720 | gld->data[i].count; | |
721 | } | |
722 | } | |
8ed9516f | 723 | |
230f0601 | 724 | this_avg /= gld->stop_seconds - gld->min_seconds; |
8ed9516f | 725 | |
230f0601 JK |
726 | for (gld_i = gld->min_seconds; |
727 | gld_i < gld->stop_seconds; gld_i++) { | |
8ed9516f CM |
728 | double val; |
729 | ||
730 | if (gld->data[gld_i].count == 0) | |
731 | continue; | |
732 | val = (double)gld->data[gld_i].sum / | |
733 | gld->data[gld_i].count; | |
734 | ||
735 | if (this_avg > avg + 30 || val > 95) { | |
736 | color = pick_cpu_color(); | |
737 | svg_line_graph(plot, gld, color, avg + 30, 95); | |
738 | snprintf(line, line_len, " CPU %d\n", i - 1); | |
739 | svg_add_legend(plot, tf->label, line, color); | |
740 | plotted++; | |
741 | break; | |
742 | } | |
743 | ||
744 | } | |
745 | } | |
746 | } | |
747 | ||
748 | if (plot->add_xlabel) | |
749 | set_xlabel(plot, "Time (seconds)"); | |
750 | ||
751 | if (!plot->no_legend) { | |
752 | svg_write_legend(plot); | |
753 | svg_free_legend(plot); | |
754 | } | |
cc3d54d5 CM |
755 | close_plot(plot); |
756 | total_graphs_written++; | |
8ed9516f CM |
757 | } |
758 | ||
230f0601 | 759 | static void plot_queue_depth(struct plot *plot, int min_seconds, int max_seconds) |
8ed9516f CM |
760 | { |
761 | struct trace_file *tf; | |
762 | ||
cc3d54d5 CM |
763 | if (active_graphs[QUEUE_DEPTH_GRAPH_INDEX] == 0) |
764 | return; | |
8ed9516f CM |
765 | |
766 | setup_axis(plot); | |
767 | set_plot_label(plot, "Queue Depth"); | |
768 | if (num_traces > 1) | |
769 | svg_alloc_legend(plot, num_traces); | |
770 | ||
771 | tf = list_entry(all_traces.next, struct trace_file, list); | |
772 | set_ylabel(plot, "Pending IO"); | |
1e1e3f04 | 773 | set_yticks(plot, num_yticks, 0, tf->queue_depth_gld->max, ""); |
230f0601 | 774 | set_xticks(plot, num_xticks, min_seconds, max_seconds); |
8ed9516f CM |
775 | |
776 | list_for_each_entry(tf, &all_traces, list) { | |
777 | svg_line_graph(plot, tf->queue_depth_gld, tf->read_color, 0, 0); | |
778 | if (num_traces > 1) | |
779 | svg_add_legend(plot, tf->label, "", tf->read_color); | |
780 | } | |
781 | ||
782 | if (plot->add_xlabel) | |
783 | set_xlabel(plot, "Time (seconds)"); | |
784 | if (num_traces > 1) | |
785 | svg_write_legend(plot); | |
8ed9516f | 786 | close_plot(plot); |
cc3d54d5 | 787 | total_graphs_written++; |
8ed9516f CM |
788 | } |
789 | ||
ba758825 CM |
790 | static void convert_movie_files(char *movie_dir) |
791 | { | |
792 | fprintf(stderr, "Converting svg files in %s\n", movie_dir); | |
793 | snprintf(line, line_len, "find %s -name \\*.svg | xargs -I{} -n 1 -P 8 rsvg-convert -o {}.png {}", | |
794 | movie_dir); | |
795 | system(line); | |
796 | } | |
797 | ||
798 | static void mencode_movie(char *movie_dir) | |
799 | { | |
800 | fprintf(stderr, "Creating movie %s\n", movie_dir); | |
abf08f96 | 801 | snprintf(line, line_len, "ffmpeg -r 20 -y -i %s/%%10d-%s.svg.png -b:v 250k " |
7a147342 | 802 | "-vcodec libx264 %s", movie_dir, output_filename, output_filename); |
ba758825 CM |
803 | system(line); |
804 | } | |
805 | ||
806 | static void cleanup_movie(char *movie_dir) | |
807 | { | |
808 | fprintf(stderr, "Removing movie dir %s\n", movie_dir); | |
809 | snprintf(line, line_len, "rm %s/*", movie_dir); | |
810 | system(line); | |
811 | ||
812 | snprintf(line, line_len, "rmdir %s", movie_dir); | |
813 | system(line); | |
814 | } | |
815 | ||
816 | static void plot_io_movie(struct plot *plot) | |
817 | { | |
818 | struct trace_file *tf; | |
819 | char *movie_dir = create_movie_temp_dir(); | |
820 | int i; | |
821 | struct plot_history *read_history; | |
822 | struct plot_history *write_history; | |
823 | int batch_i; | |
824 | int movie_len = 30; | |
abf08f96 | 825 | int movie_frames_per_sec = 20; |
ba758825 CM |
826 | int total_frames = movie_len * movie_frames_per_sec; |
827 | int rows, cols; | |
828 | int batch_count; | |
8ed9516f CM |
829 | int graph_width_factor = 5; |
830 | int orig_y_offset; | |
ba758825 CM |
831 | |
832 | get_graph_size(&cols, &rows); | |
833 | batch_count = cols / total_frames; | |
834 | ||
835 | if (batch_count == 0) | |
836 | batch_count = 1; | |
837 | ||
838 | list_for_each_entry(tf, &all_traces, list) { | |
839 | char *label = tf->label; | |
840 | if (!label) | |
841 | label = ""; | |
842 | ||
843 | i = 0; | |
844 | while (i < cols) { | |
845 | snprintf(line, line_len, "%s/%010d-%s.svg", movie_dir, i, output_filename); | |
846 | set_plot_output(plot, line); | |
ba758825 | 847 | set_plot_title(plot, graph_title); |
8ed9516f CM |
848 | orig_y_offset = plot->start_y_offset; |
849 | ||
850 | plot->no_legend = 1; | |
851 | ||
852 | set_graph_size(cols / graph_width_factor, rows / 8); | |
cc3d54d5 | 853 | plot->timeline = i / graph_width_factor; |
8ed9516f | 854 | |
230f0601 JK |
855 | plot_tput(plot, tf->gdd_reads->min_seconds, |
856 | tf->gdd_reads->max_seconds); | |
8ed9516f | 857 | |
f752a6eb | 858 | plot_cpu(plot, tf->gdd_reads->max_seconds, |
cc3d54d5 | 859 | "CPU System Time", CPU_SYS_GRAPH_INDEX, MPSTAT_SYS); |
8ed9516f | 860 | |
cc3d54d5 | 861 | plot->direction = PLOT_ACROSS; |
230f0601 JK |
862 | plot_queue_depth(plot, tf->gdd_reads->min_seconds, |
863 | tf->gdd_reads->max_seconds); | |
8ed9516f CM |
864 | |
865 | /* movie graph starts here */ | |
866 | plot->start_y_offset = orig_y_offset; | |
867 | set_graph_size(cols - cols / graph_width_factor, rows); | |
868 | plot->no_legend = 0; | |
cc3d54d5 CM |
869 | plot->timeline = 0; |
870 | plot->direction = PLOT_DOWN;; | |
8ed9516f | 871 | |
abf08f96 CM |
872 | if (movie_style == MOVIE_SPINDLE) |
873 | setup_axis_spindle(plot); | |
874 | else | |
875 | setup_axis(plot); | |
876 | ||
ba758825 CM |
877 | svg_alloc_legend(plot, num_traces * 2); |
878 | ||
879 | read_history = alloc_plot_history(tf->read_color); | |
880 | write_history = alloc_plot_history(tf->write_color); | |
881 | read_history->col = i; | |
882 | write_history->col = i; | |
883 | ||
884 | if (tf->gdd_reads->total_ios) | |
885 | svg_add_legend(plot, label, " Reads", tf->read_color); | |
886 | if (tf->gdd_writes->total_ios) | |
887 | svg_add_legend(plot, label, " Writes", tf->write_color); | |
888 | ||
889 | batch_i = 0; | |
890 | while (i < cols && batch_i < batch_count) { | |
ba758825 | 891 | svg_io_graph_movie(tf->gdd_reads, read_history, i); |
ba758825 CM |
892 | svg_io_graph_movie(tf->gdd_writes, write_history, i); |
893 | i++; | |
894 | batch_i++; | |
895 | } | |
896 | ||
897 | add_history(read_history, &movie_history_reads); | |
898 | add_history(write_history, &movie_history_writes); | |
899 | ||
900 | plot_movie_history(plot, &movie_history_reads); | |
901 | plot_movie_history(plot, &movie_history_writes); | |
902 | ||
903 | svg_write_legend(plot); | |
904 | close_plot(plot); | |
ba758825 | 905 | close_plot(plot); |
ba758825 | 906 | |
abf08f96 | 907 | close_plot_file(plot); |
ba758825 CM |
908 | } |
909 | free_all_plot_history(&movie_history_reads); | |
910 | free_all_plot_history(&movie_history_writes); | |
911 | } | |
912 | convert_movie_files(movie_dir); | |
913 | mencode_movie(movie_dir); | |
914 | cleanup_movie(movie_dir); | |
915 | free(movie_dir); | |
916 | } | |
917 | ||
230f0601 | 918 | static void plot_latency(struct plot *plot, int min_seconds, int max_seconds) |
9e066e23 CM |
919 | { |
920 | struct trace_file *tf; | |
921 | char *units; | |
922 | char line[128]; | |
923 | u64 max = 0; | |
924 | ||
925 | if (active_graphs[LATENCY_GRAPH_INDEX] == 0) | |
926 | return; | |
927 | ||
928 | if (num_traces > 1) | |
929 | svg_alloc_legend(plot, num_traces); | |
1e1e3f04 | 930 | |
9e066e23 CM |
931 | list_for_each_entry(tf, &all_traces, list) { |
932 | if (tf->latency_gld->max > max) | |
933 | max = tf->latency_gld->max; | |
934 | } | |
1e1e3f04 | 935 | |
9e066e23 CM |
936 | list_for_each_entry(tf, &all_traces, list) |
937 | tf->latency_gld->max = max; | |
938 | ||
9e066e23 CM |
939 | setup_axis(plot); |
940 | set_plot_label(plot, "IO Latency"); | |
941 | ||
942 | tf = list_entry(all_traces.next, struct trace_file, list); | |
943 | ||
944 | scale_line_graph_time(&max, &units); | |
945 | sprintf(line, "latency (%ss)", units); | |
946 | set_ylabel(plot, line); | |
1e1e3f04 | 947 | set_yticks(plot, num_yticks, 0, max, ""); |
230f0601 | 948 | set_xticks(plot, num_xticks, min_seconds, max_seconds); |
9e066e23 CM |
949 | |
950 | list_for_each_entry(tf, &all_traces, list) { | |
bfb0e441 | 951 | svg_line_graph(plot, tf->latency_gld, tf->read_color, 0, 0); |
9e066e23 CM |
952 | if (num_traces > 1) |
953 | svg_add_legend(plot, tf->label, "", tf->read_color); | |
954 | } | |
955 | ||
956 | if (plot->add_xlabel) | |
957 | set_xlabel(plot, "Time (seconds)"); | |
958 | if (num_traces > 1) | |
959 | svg_write_legend(plot); | |
960 | close_plot(plot); | |
cc3d54d5 | 961 | total_graphs_written++; |
9e066e23 CM |
962 | } |
963 | ||
230f0601 | 964 | static void plot_iops(struct plot *plot, int min_seconds, int max_seconds) |
9e066e23 CM |
965 | { |
966 | struct trace_file *tf; | |
967 | char *units; | |
968 | u64 max = 0; | |
969 | ||
970 | if (active_graphs[IOPS_GRAPH_INDEX] == 0) | |
971 | return; | |
972 | ||
973 | list_for_each_entry(tf, &all_traces, list) { | |
974 | if (tf->iop_gld->max > max) | |
975 | max = tf->iop_gld->max; | |
976 | } | |
977 | ||
978 | list_for_each_entry(tf, &all_traces, list) | |
979 | tf->iop_gld->max = max; | |
980 | ||
9e066e23 CM |
981 | setup_axis(plot); |
982 | set_plot_label(plot, "IOPs"); | |
983 | if (num_traces > 1) | |
984 | svg_alloc_legend(plot, num_traces); | |
985 | ||
986 | tf = list_entry(all_traces.next, struct trace_file, list); | |
987 | ||
988 | scale_line_graph_bytes(&max, &units, 1000); | |
989 | set_ylabel(plot, "IO/s"); | |
990 | ||
1e1e3f04 | 991 | set_yticks(plot, num_yticks, 0, max, units); |
230f0601 | 992 | set_xticks(plot, num_xticks, min_seconds, max_seconds); |
9e066e23 CM |
993 | |
994 | list_for_each_entry(tf, &all_traces, list) { | |
bfb0e441 | 995 | svg_line_graph(plot, tf->iop_gld, tf->read_color, 0, 0); |
9e066e23 CM |
996 | if (num_traces > 1) |
997 | svg_add_legend(plot, tf->label, "", tf->read_color); | |
998 | } | |
999 | ||
1000 | if (plot->add_xlabel) | |
1001 | set_xlabel(plot, "Time (seconds)"); | |
1002 | if (num_traces > 1) | |
1003 | svg_write_legend(plot); | |
1004 | ||
1005 | close_plot(plot); | |
cc3d54d5 CM |
1006 | total_graphs_written++; |
1007 | } | |
1008 | ||
1009 | static void check_plot_columns(struct plot *plot, int index) | |
1010 | { | |
1011 | int count; | |
1012 | ||
1013 | if (columns > 1 && (total_graphs_written == 0 || | |
1014 | total_graphs_written % columns != 0)) { | |
1015 | count = graphs_left(index); | |
1016 | if (plot->direction == PLOT_DOWN) { | |
1017 | plot->start_x_offset = 0; | |
1018 | if (count <= columns) | |
1019 | plot->add_xlabel = 1; | |
1020 | } | |
1021 | plot->direction = PLOT_ACROSS; | |
1022 | ||
1023 | } else { | |
1024 | plot->direction = PLOT_DOWN; | |
1025 | if (index == last_active_graph) | |
1026 | plot->add_xlabel = 1; | |
1027 | } | |
1028 | ||
9e066e23 CM |
1029 | } |
1030 | ||
ba758825 CM |
1031 | enum { |
1032 | HELP_LONG_OPT = 1, | |
1033 | }; | |
1034 | ||
f2e40ddd | 1035 | char *option_string = "T:t:o:l:r:O:N:d:p:m::h:w:c:x:y:a:"; |
ba758825 | 1036 | static struct option long_options[] = { |
cc3d54d5 | 1037 | {"columns", required_argument, 0, 'c'}, |
ba758825 CM |
1038 | {"title", required_argument, 0, 'T'}, |
1039 | {"trace", required_argument, 0, 't'}, | |
1040 | {"output", required_argument, 0, 'o'}, | |
1041 | {"label", required_argument, 0, 'l'}, | |
1042 | {"rolling", required_argument, 0, 'r'}, | |
1043 | {"no-graph", required_argument, 0, 'N'}, | |
1044 | {"only-graph", required_argument, 0, 'O'}, | |
1045 | {"device", required_argument, 0, 'd'}, | |
1046 | {"prog", required_argument, 0, 'p'}, | |
abf08f96 | 1047 | {"movie", optional_argument, 0, 'm'}, |
ba758825 CM |
1048 | {"width", required_argument, 0, 'w'}, |
1049 | {"height", required_argument, 0, 'h'}, | |
d140b434 JK |
1050 | {"xzoom", required_argument, 0, 'x'}, |
1051 | {"yzoom", required_argument, 0, 'y'}, | |
f2e40ddd | 1052 | {"io-plot-action", required_argument, 0, 'a'}, |
5a870f23 | 1053 | {"help", no_argument, 0, HELP_LONG_OPT}, |
ba758825 CM |
1054 | {0, 0, 0, 0} |
1055 | }; | |
1056 | ||
1057 | static void print_usage(void) | |
1058 | { | |
1059 | fprintf(stderr, "iowatcher usage:\n" | |
1060 | "\t-d (--device): device for blktrace to trace\n" | |
1061 | "\t-t (--trace): trace file name (more than one allowed)\n" | |
1062 | "\t-l (--label): trace label in the graph\n" | |
1063 | "\t-o (--output): output file name (SVG only)\n" | |
1064 | "\t-p (--prog): program to run while blktrace is run\n" | |
c5245584 | 1065 | "\t-m (--movie [=spindle|rect]): create IO animations\n" |
ba758825 CM |
1066 | "\t-r (--rolling): number of seconds in the rolling averge\n" |
1067 | "\t-T (--title): graph title\n" | |
5122a20d CM |
1068 | "\t-N (--no-graph): skip a single graph (io, tput, latency, queue_depth, \n" |
1069 | "\t\t\tiops, cpu-sys, cpu-io, cpu-irq cpu-soft cpu-user)\n" | |
1070 | "\t-O (--only-graph): add a single graph to the output\n" | |
ba758825 CM |
1071 | "\t-h (--height): set the height of each graph\n" |
1072 | "\t-w (--width): set the width of each graph\n" | |
cc3d54d5 | 1073 | "\t-c (--columns): numbers of columns in graph output\n" |
d140b434 JK |
1074 | "\t-x (--xzoom): limit processed time to min:max\n" |
1075 | "\t-y (--yzoom): limit processed sectors to min:max\n" | |
f2e40ddd | 1076 | "\t-a (--io-plot-action): plot given action (one of Q,D,C) in IO graph\n" |
ba758825 CM |
1077 | ); |
1078 | exit(1); | |
1079 | } | |
1080 | ||
d140b434 JK |
1081 | static int parse_double_range(char *str, double *min, double *max) |
1082 | { | |
1083 | char *end; | |
1084 | ||
1085 | /* Empty lower bound - leave original value */ | |
1086 | if (str[0] != ':') { | |
1087 | *min = strtod(str, &end); | |
1088 | if (*min == HUGE_VAL || *min == -HUGE_VAL) | |
1089 | return -ERANGE; | |
1090 | if (*end != ':') | |
1091 | return -EINVAL; | |
1092 | } else | |
1093 | end = str; | |
1094 | /* Empty upper bound - leave original value */ | |
1095 | if (end[1]) { | |
1096 | *max = strtod(end+1, &end); | |
1097 | if (*max == HUGE_VAL || *max == -HUGE_VAL) | |
1098 | return -ERANGE; | |
1099 | if (*end != 0) | |
1100 | return -EINVAL; | |
1101 | } | |
1102 | if (*min > *max) | |
1103 | return -EINVAL; | |
1104 | return 0; | |
1105 | } | |
1106 | ||
1107 | static int parse_ull_range(char *str, unsigned long long *min, | |
1108 | unsigned long long *max) | |
1109 | { | |
1110 | char *end; | |
1111 | ||
1112 | /* Empty lower bound - leave original value */ | |
1113 | if (str[0] != ':') { | |
1114 | *min = strtoull(str, &end, 10); | |
1115 | if (*min == ULLONG_MAX && errno == ERANGE) | |
1116 | return -ERANGE; | |
1117 | if (*end != ':') | |
1118 | return -EINVAL; | |
1119 | } else | |
1120 | end = str; | |
1121 | /* Empty upper bound - leave original value */ | |
1122 | if (end[1]) { | |
1123 | *max = strtoull(end+1, &end, 10); | |
1124 | if (*max == ULLONG_MAX && errno == ERANGE) | |
1125 | return -ERANGE; | |
1126 | if (*end != 0) | |
1127 | return -EINVAL; | |
1128 | } | |
1129 | if (*min > *max) | |
1130 | return -EINVAL; | |
1131 | return 0; | |
1132 | } | |
1133 | ||
ba758825 CM |
1134 | static int parse_options(int ac, char **av) |
1135 | { | |
1136 | int c; | |
1137 | int disabled = 0; | |
1138 | ||
1139 | while (1) { | |
1140 | // int this_option_optind = optind ? optind : 1; | |
1141 | int option_index = 0; | |
1142 | ||
1143 | c = getopt_long(ac, av, option_string, | |
1144 | long_options, &option_index); | |
1145 | ||
1146 | if (c == -1) | |
1147 | break; | |
1148 | ||
1149 | switch(c) { | |
1150 | case 'T': | |
1151 | graph_title = strdup(optarg); | |
1152 | break; | |
1153 | case 't': | |
1154 | add_trace_file(optarg); | |
1155 | set_blktrace_outfile(optarg); | |
1156 | break; | |
1157 | case 'o': | |
1158 | output_filename = strdup(optarg); | |
1159 | break; | |
1160 | case 'l': | |
1161 | set_trace_label(optarg); | |
1162 | break; | |
1163 | case 'r': | |
1164 | set_rolling_avg(atoi(optarg)); | |
1165 | break; | |
1166 | case 'O': | |
1167 | if (!disabled) { | |
1168 | disable_all_graphs(); | |
1169 | disabled = 1; | |
1170 | } | |
1171 | enable_one_graph(optarg); | |
1172 | break; | |
1173 | case 'N': | |
1174 | disable_one_graph(optarg); | |
1175 | break; | |
1176 | case 'd': | |
1177 | blktrace_device = strdup(optarg); | |
1178 | break; | |
1179 | case 'p': | |
1180 | program_to_run = strdup(optarg); | |
1181 | break; | |
1182 | case 'm': | |
1183 | make_movie = 1; | |
abf08f96 CM |
1184 | if (optarg) { |
1185 | movie_style = lookup_movie_style(optarg); | |
1186 | if (movie_style < 0) { | |
1187 | fprintf(stderr, "Unknown movie style %s\n", optarg); | |
1188 | print_usage(); | |
1189 | } | |
1190 | } | |
1191 | fprintf(stderr, "Using movie style: %s\n", | |
1192 | movie_styles[movie_style]); | |
ba758825 CM |
1193 | break; |
1194 | case 'h': | |
1195 | opt_graph_height = atoi(optarg); | |
1196 | break; | |
1197 | case 'w': | |
1198 | opt_graph_width = atoi(optarg); | |
1199 | break; | |
cc3d54d5 CM |
1200 | case 'c': |
1201 | columns = atoi(optarg); | |
1202 | break; | |
d140b434 JK |
1203 | case 'x': |
1204 | if (parse_double_range(optarg, &min_time, &max_time) | |
1205 | < 0) { | |
1206 | fprintf(stderr, "Cannot parse time range %s\n", | |
1207 | optarg); | |
1208 | exit(1); | |
1209 | } | |
1210 | break; | |
1211 | case 'y': | |
1212 | if (parse_ull_range(optarg, &min_mb, &max_mb) | |
1213 | < 0) { | |
1214 | fprintf(stderr, | |
1215 | "Cannot parse offset range %s\n", | |
1216 | optarg); | |
1217 | exit(1); | |
1218 | } | |
1219 | if (max_mb > ULLONG_MAX >> 20) { | |
1220 | fprintf(stderr, | |
1221 | "Upper range limit too big." | |
1222 | " Maximum is %llu.\n", ULLONG_MAX >> 20); | |
1223 | exit(1); | |
1224 | } | |
1225 | break; | |
f2e40ddd JK |
1226 | case 'a': |
1227 | if (strlen(optarg) != 1) { | |
1228 | action_err: | |
1229 | fprintf(stderr, "Action must be one of Q, D, C."); | |
1230 | exit(1); | |
1231 | } | |
1232 | plot_io_action = action_char_to_num(optarg[0]); | |
1233 | if (plot_io_action < 0) | |
1234 | goto action_err; | |
1235 | break; | |
ba758825 CM |
1236 | case '?': |
1237 | case HELP_LONG_OPT: | |
1238 | print_usage(); | |
1239 | break; | |
1240 | default: | |
1241 | break; | |
1242 | } | |
1243 | } | |
1244 | return 0; | |
1245 | } | |
1246 | ||
1247 | ||
9e066e23 CM |
1248 | int main(int ac, char **av) |
1249 | { | |
1250 | struct plot *plot; | |
230f0601 | 1251 | int min_seconds = 0; |
f752a6eb | 1252 | int max_seconds = 0; |
9e066e23 | 1253 | u64 max_offset = 0; |
9b9fa04b | 1254 | u64 min_offset = ~(u64)0; |
9e066e23 CM |
1255 | struct trace_file *tf; |
1256 | int ret; | |
cc3d54d5 | 1257 | int rows, cols; |
9e066e23 CM |
1258 | |
1259 | init_io_hash_table(); | |
1260 | ||
1261 | enable_all_graphs(); | |
1262 | ||
1263 | parse_options(ac, av); | |
1264 | ||
1265 | last_active_graph = last_graph(); | |
ba758825 CM |
1266 | if (make_movie) { |
1267 | set_io_graph_scale(256); | |
abf08f96 | 1268 | if (movie_style == MOVIE_SPINDLE) |
8ed9516f | 1269 | set_graph_size(750, 550); |
abf08f96 CM |
1270 | else |
1271 | set_graph_size(700, 400); | |
cc3d54d5 CM |
1272 | |
1273 | /* | |
1274 | * the plots in the movie don't have a seconds | |
1275 | * line yet, this makes us skip it | |
1276 | */ | |
1277 | last_active_graph = TOTAL_GRAPHS + 1; | |
ba758825 CM |
1278 | } |
1279 | if (opt_graph_height) | |
1280 | set_graph_height(opt_graph_height); | |
1281 | ||
1282 | if (opt_graph_width) | |
cc3d54d5 | 1283 | set_graph_width(opt_graph_width); |
9e066e23 CM |
1284 | |
1285 | if (list_empty(&all_traces)) { | |
1286 | fprintf(stderr, "No traces found, exiting\n"); | |
1287 | exit(1); | |
1288 | } | |
1289 | ||
1290 | if (blktrace_device) { | |
1291 | ret = start_blktrace(blktrace_device, blktrace_outfile, | |
1292 | blktrace_dest_dir); | |
1293 | if (ret) { | |
1294 | fprintf(stderr, "exiting due to blktrace failure\n"); | |
1295 | exit(1); | |
1296 | } | |
e199d546 | 1297 | start_mpstat(blktrace_outfile); |
9e066e23 CM |
1298 | if (program_to_run) { |
1299 | ret = run_program(program_to_run); | |
1300 | if (ret) { | |
1301 | fprintf(stderr, "failed to run %s\n", | |
1302 | program_to_run); | |
1303 | exit(1); | |
1304 | } | |
1305 | wait_for_tracers(); | |
1306 | blktrace_to_dump(blktrace_outfile); | |
1307 | } else { | |
1308 | /* no program specified, just wait for | |
1309 | * blktrace to exit | |
1310 | */ | |
1311 | wait_for_tracers(); | |
1312 | } | |
1313 | } | |
1314 | ||
1315 | /* step one, read all the traces */ | |
1316 | read_traces(); | |
1317 | ||
1318 | /* step two, find the maxes for time and offset */ | |
1319 | list_for_each_entry(tf, &all_traces, list) | |
f752a6eb | 1320 | compare_minmax_tf(tf, &max_seconds, &min_offset, &max_offset); |
d140b434 JK |
1321 | min_seconds = min_time; |
1322 | if (max_seconds > max_time) | |
1323 | max_seconds = ceil(max_time); | |
1324 | if (min_offset < min_mb << 20) | |
1325 | min_offset = min_mb << 20; | |
1326 | if (max_offset > max_mb << 20) | |
1327 | max_offset = max_mb << 20; | |
9e066e23 CM |
1328 | |
1329 | /* push the max we found into all the tfs */ | |
230f0601 | 1330 | set_all_minmax_tf(min_seconds, max_seconds, min_offset, max_offset); |
9e066e23 CM |
1331 | |
1332 | /* alloc graphing structs for all the traces */ | |
1333 | setup_trace_file_graphs(); | |
1334 | ||
1335 | /* run through all the traces and read their events */ | |
1336 | read_trace_events(); | |
1337 | ||
ba758825 CM |
1338 | plot = alloc_plot(); |
1339 | ||
1340 | if (make_movie) { | |
1341 | plot_io_movie(plot); | |
1342 | exit(0); | |
9e066e23 CM |
1343 | } |
1344 | ||
ba758825 | 1345 | set_plot_output(plot, output_filename); |
9e066e23 | 1346 | |
e199d546 | 1347 | if (active_graphs[IO_GRAPH_INDEX] || found_mpstat) |
9e066e23 CM |
1348 | set_legend_width(longest_label + strlen("writes")); |
1349 | else if (num_traces > 1) | |
1350 | set_legend_width(longest_label); | |
1351 | else | |
1352 | set_legend_width(0); | |
1353 | ||
cc3d54d5 CM |
1354 | get_graph_size(&cols, &rows); |
1355 | if (columns > 1) | |
1356 | plot->add_xlabel = 1; | |
e4df8968 | 1357 | set_plot_title(plot, graph_title); |
cc3d54d5 | 1358 | |
6d5a91a7 | 1359 | check_plot_columns(plot, IO_GRAPH_INDEX); |
230f0601 | 1360 | plot_io(plot, min_seconds, max_seconds, min_offset, max_offset); |
cc3d54d5 CM |
1361 | plot->add_xlabel = 0; |
1362 | ||
1363 | if (columns > 1) { | |
1364 | set_graph_size(cols / columns, rows); | |
1365 | num_xticks /= columns; | |
1366 | if (num_xticks < 2) | |
1367 | num_xticks = 2; | |
1368 | } | |
1e1e3f04 CM |
1369 | if (rows <= 50) |
1370 | num_yticks--; | |
cc3d54d5 CM |
1371 | |
1372 | check_plot_columns(plot, TPUT_GRAPH_INDEX); | |
230f0601 | 1373 | plot_tput(plot, min_seconds, max_seconds); |
cc3d54d5 CM |
1374 | |
1375 | check_plot_columns(plot, CPU_IO_GRAPH_INDEX); | |
f752a6eb | 1376 | plot_cpu(plot, max_seconds, "CPU IO Wait Time", |
e199d546 | 1377 | CPU_IO_GRAPH_INDEX, MPSTAT_IO); |
cc3d54d5 CM |
1378 | |
1379 | check_plot_columns(plot, CPU_SYS_GRAPH_INDEX); | |
f752a6eb | 1380 | plot_cpu(plot, max_seconds, "CPU System Time", |
e199d546 | 1381 | CPU_SYS_GRAPH_INDEX, MPSTAT_SYS); |
cc3d54d5 CM |
1382 | |
1383 | check_plot_columns(plot, CPU_IRQ_GRAPH_INDEX); | |
f752a6eb | 1384 | plot_cpu(plot, max_seconds, "CPU IRQ Time", |
e199d546 | 1385 | CPU_IRQ_GRAPH_INDEX, MPSTAT_IRQ); |
cc3d54d5 CM |
1386 | |
1387 | check_plot_columns(plot, CPU_SOFT_GRAPH_INDEX); | |
f752a6eb | 1388 | plot_cpu(plot, max_seconds, "CPU SoftIRQ Time", |
e199d546 | 1389 | CPU_SOFT_GRAPH_INDEX, MPSTAT_SOFT); |
cc3d54d5 CM |
1390 | |
1391 | check_plot_columns(plot, CPU_USER_GRAPH_INDEX); | |
f752a6eb | 1392 | plot_cpu(plot, max_seconds, "CPU User Time", |
e199d546 CM |
1393 | CPU_USER_GRAPH_INDEX, MPSTAT_USER); |
1394 | ||
cc3d54d5 | 1395 | check_plot_columns(plot, LATENCY_GRAPH_INDEX); |
230f0601 | 1396 | plot_latency(plot, min_seconds, max_seconds); |
cc3d54d5 CM |
1397 | |
1398 | check_plot_columns(plot, QUEUE_DEPTH_GRAPH_INDEX); | |
230f0601 | 1399 | plot_queue_depth(plot, min_seconds, max_seconds); |
cc3d54d5 CM |
1400 | |
1401 | check_plot_columns(plot, IOPS_GRAPH_INDEX); | |
230f0601 | 1402 | plot_iops(plot, min_seconds, max_seconds); |
9e066e23 CM |
1403 | |
1404 | /* once for all */ | |
1405 | close_plot(plot); | |
abf08f96 | 1406 | close_plot_file(plot); |
9e066e23 CM |
1407 | return 0; |
1408 | } |