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