1 /* 2 * svghelper.c - helper functions for outputting svg 3 * 4 * (C) Copyright 2009 Intel Corporation 5 * 6 * Authors: 7 * Arjan van de Ven <arjan@linux.intel.com> 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License 11 * as published by the Free Software Foundation; version 2 12 * of the License. 13 */ 14 15 #include <inttypes.h> 16 #include <stdio.h> 17 #include <stdlib.h> 18 #include <unistd.h> 19 #include <string.h> 20 #include <linux/bitmap.h> 21 #include <linux/time64.h> 22 23 #include "perf.h" 24 #include "svghelper.h" 25 #include "util.h" 26 #include "cpumap.h" 27 28 static u64 first_time, last_time; 29 static u64 turbo_frequency, max_freq; 30 31 32 #define SLOT_MULT 30.0 33 #define SLOT_HEIGHT 25.0 34 #define SLOT_HALF (SLOT_HEIGHT / 2) 35 36 int svg_page_width = 1000; 37 u64 svg_highlight; 38 const char *svg_highlight_name; 39 40 #define MIN_TEXT_SIZE 0.01 41 42 static u64 total_height; 43 static FILE *svgfile; 44 45 static double cpu2slot(int cpu) 46 { 47 return 2 * cpu + 1; 48 } 49 50 static int *topology_map; 51 52 static double cpu2y(int cpu) 53 { 54 if (topology_map) 55 return cpu2slot(topology_map[cpu]) * SLOT_MULT; 56 else 57 return cpu2slot(cpu) * SLOT_MULT; 58 } 59 60 static double time2pixels(u64 __time) 61 { 62 double X; 63 64 X = 1.0 * svg_page_width * (__time - first_time) / (last_time - first_time); 65 return X; 66 } 67 68 /* 69 * Round text sizes so that the svg viewer only needs a discrete 70 * number of renderings of the font 71 */ 72 static double round_text_size(double size) 73 { 74 int loop = 100; 75 double target = 10.0; 76 77 if (size >= 10.0) 78 return size; 79 while (loop--) { 80 if (size >= target) 81 return target; 82 target = target / 2.0; 83 } 84 return size; 85 } 86 87 void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end) 88 { 89 int new_width; 90 91 svgfile = fopen(filename, "w"); 92 if (!svgfile) { 93 fprintf(stderr, "Cannot open %s for output\n", filename); 94 return; 95 } 96 first_time = start; 97 first_time = first_time / 100000000 * 100000000; 98 last_time = end; 99 100 /* 101 * if the recording is short, we default to a width of 1000, but 102 * for longer recordings we want at least 200 units of width per second 103 */ 104 new_width = (last_time - first_time) / 5000000; 105 106 if (new_width > svg_page_width) 107 svg_page_width = new_width; 108 109 total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT; 110 fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n"); 111 fprintf(svgfile, "<!DOCTYPE svg SYSTEM \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n"); 112 fprintf(svgfile, "<svg width=\"%i\" height=\"%" PRIu64 "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height); 113 114 fprintf(svgfile, "<defs>\n <style type=\"text/css\">\n <![CDATA[\n"); 115 116 fprintf(svgfile, " rect { stroke-width: 1; }\n"); 117 fprintf(svgfile, " rect.process { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1; stroke:rgb( 0, 0, 0); } \n"); 118 fprintf(svgfile, " rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 119 fprintf(svgfile, " rect.process3 { fill:rgb(180,180,180); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 120 fprintf(svgfile, " rect.sample { fill:rgb( 0, 0,255); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 121 fprintf(svgfile, " rect.sample_hi{ fill:rgb(255,128, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 122 fprintf(svgfile, " rect.error { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 123 fprintf(svgfile, " rect.net { fill:rgb( 0,128, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 124 fprintf(svgfile, " rect.disk { fill:rgb( 0, 0,255); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 125 fprintf(svgfile, " rect.sync { fill:rgb(128,128, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 126 fprintf(svgfile, " rect.poll { fill:rgb( 0,128,128); fill-opacity:0.2; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 127 fprintf(svgfile, " rect.blocked { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 128 fprintf(svgfile, " rect.waiting { fill:rgb(224,214, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 129 fprintf(svgfile, " rect.WAITING { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 130 fprintf(svgfile, " rect.cpu { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n"); 131 fprintf(svgfile, " rect.pstate { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n"); 132 fprintf(svgfile, " rect.c1 { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n"); 133 fprintf(svgfile, " rect.c2 { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n"); 134 fprintf(svgfile, " rect.c3 { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n"); 135 fprintf(svgfile, " rect.c4 { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n"); 136 fprintf(svgfile, " rect.c5 { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n"); 137 fprintf(svgfile, " rect.c6 { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; } \n"); 138 fprintf(svgfile, " line.pstate { stroke:rgb(255,255, 0); stroke-opacity:0.8; stroke-width:2; } \n"); 139 140 fprintf(svgfile, " ]]>\n </style>\n</defs>\n"); 141 } 142 143 static double normalize_height(double height) 144 { 145 if (height < 0.25) 146 return 0.25; 147 else if (height < 0.50) 148 return 0.50; 149 else if (height < 0.75) 150 return 0.75; 151 else 152 return 0.100; 153 } 154 155 void svg_ubox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges) 156 { 157 double w = time2pixels(end) - time2pixels(start); 158 height = normalize_height(height); 159 160 if (!svgfile) 161 return; 162 163 fprintf(svgfile, "<g>\n"); 164 fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges); 165 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n", 166 time2pixels(start), 167 w, 168 Yslot * SLOT_MULT, 169 SLOT_HALF * height, 170 type); 171 fprintf(svgfile, "</g>\n"); 172 } 173 174 void svg_lbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges) 175 { 176 double w = time2pixels(end) - time2pixels(start); 177 height = normalize_height(height); 178 179 if (!svgfile) 180 return; 181 182 fprintf(svgfile, "<g>\n"); 183 fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges); 184 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n", 185 time2pixels(start), 186 w, 187 Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HALF * height, 188 SLOT_HALF * height, 189 type); 190 fprintf(svgfile, "</g>\n"); 191 } 192 193 void svg_fbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges) 194 { 195 double w = time2pixels(end) - time2pixels(start); 196 height = normalize_height(height); 197 198 if (!svgfile) 199 return; 200 201 fprintf(svgfile, "<g>\n"); 202 fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges); 203 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n", 204 time2pixels(start), 205 w, 206 Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HEIGHT * height, 207 SLOT_HEIGHT * height, 208 type); 209 fprintf(svgfile, "</g>\n"); 210 } 211 212 void svg_box(int Yslot, u64 start, u64 end, const char *type) 213 { 214 if (!svgfile) 215 return; 216 217 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n", 218 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type); 219 } 220 221 static char *time_to_string(u64 duration); 222 void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace) 223 { 224 if (!svgfile) 225 return; 226 227 fprintf(svgfile, "<g>\n"); 228 fprintf(svgfile, "<title>#%d blocked %s</title>\n", cpu, 229 time_to_string(end - start)); 230 if (backtrace) 231 fprintf(svgfile, "<desc>Blocked on:\n%s</desc>\n", backtrace); 232 svg_box(Yslot, start, end, "blocked"); 233 fprintf(svgfile, "</g>\n"); 234 } 235 236 void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace) 237 { 238 double text_size; 239 const char *type; 240 241 if (!svgfile) 242 return; 243 244 if (svg_highlight && end - start > svg_highlight) 245 type = "sample_hi"; 246 else 247 type = "sample"; 248 fprintf(svgfile, "<g>\n"); 249 250 fprintf(svgfile, "<title>#%d running %s</title>\n", 251 cpu, time_to_string(end - start)); 252 if (backtrace) 253 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace); 254 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n", 255 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, 256 type); 257 258 text_size = (time2pixels(end)-time2pixels(start)); 259 if (cpu > 9) 260 text_size = text_size/2; 261 if (text_size > 1.25) 262 text_size = 1.25; 263 text_size = round_text_size(text_size); 264 265 if (text_size > MIN_TEXT_SIZE) 266 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">%i</text>\n", 267 time2pixels(start), Yslot * SLOT_MULT + SLOT_HEIGHT - 1, text_size, cpu + 1); 268 269 fprintf(svgfile, "</g>\n"); 270 } 271 272 static char *time_to_string(u64 duration) 273 { 274 static char text[80]; 275 276 text[0] = 0; 277 278 if (duration < NSEC_PER_USEC) /* less than 1 usec */ 279 return text; 280 281 if (duration < NSEC_PER_MSEC) { /* less than 1 msec */ 282 sprintf(text, "%.1f us", duration / (double)NSEC_PER_USEC); 283 return text; 284 } 285 sprintf(text, "%.1f ms", duration / (double)NSEC_PER_MSEC); 286 287 return text; 288 } 289 290 void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace) 291 { 292 char *text; 293 const char *style; 294 double font_size; 295 296 if (!svgfile) 297 return; 298 299 style = "waiting"; 300 301 if (end-start > 10 * NSEC_PER_MSEC) /* 10 msec */ 302 style = "WAITING"; 303 304 text = time_to_string(end-start); 305 306 font_size = 1.0 * (time2pixels(end)-time2pixels(start)); 307 308 if (font_size > 3) 309 font_size = 3; 310 311 font_size = round_text_size(font_size); 312 313 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT); 314 fprintf(svgfile, "<title>#%d waiting %s</title>\n", cpu, time_to_string(end - start)); 315 if (backtrace) 316 fprintf(svgfile, "<desc>Waiting on:\n%s</desc>\n", backtrace); 317 fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n", 318 time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style); 319 if (font_size > MIN_TEXT_SIZE) 320 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\"> %s</text>\n", 321 font_size, text); 322 fprintf(svgfile, "</g>\n"); 323 } 324 325 static char *cpu_model(void) 326 { 327 static char cpu_m[255]; 328 char buf[256]; 329 FILE *file; 330 331 cpu_m[0] = 0; 332 /* CPU type */ 333 file = fopen("/proc/cpuinfo", "r"); 334 if (file) { 335 while (fgets(buf, 255, file)) { 336 if (strstr(buf, "model name")) { 337 strlcpy(cpu_m, &buf[13], 255); 338 break; 339 } 340 } 341 fclose(file); 342 } 343 344 /* CPU type */ 345 file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r"); 346 if (file) { 347 while (fgets(buf, 255, file)) { 348 unsigned int freq; 349 freq = strtoull(buf, NULL, 10); 350 if (freq > max_freq) 351 max_freq = freq; 352 } 353 fclose(file); 354 } 355 return cpu_m; 356 } 357 358 void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq) 359 { 360 char cpu_string[80]; 361 if (!svgfile) 362 return; 363 364 max_freq = __max_freq; 365 turbo_frequency = __turbo_freq; 366 367 fprintf(svgfile, "<g>\n"); 368 369 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"cpu\"/>\n", 370 time2pixels(first_time), 371 time2pixels(last_time)-time2pixels(first_time), 372 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT); 373 374 sprintf(cpu_string, "CPU %i", (int)cpu); 375 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n", 376 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string); 377 378 fprintf(svgfile, "<text transform=\"translate(%.8f,%.8f)\" font-size=\"1.25pt\">%s</text>\n", 379 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model()); 380 381 fprintf(svgfile, "</g>\n"); 382 } 383 384 void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace) 385 { 386 double width; 387 const char *type; 388 389 if (!svgfile) 390 return; 391 392 if (svg_highlight && end - start >= svg_highlight) 393 type = "sample_hi"; 394 else if (svg_highlight_name && strstr(name, svg_highlight_name)) 395 type = "sample_hi"; 396 else 397 type = "sample"; 398 399 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), cpu2y(cpu)); 400 fprintf(svgfile, "<title>%d %s running %s</title>\n", pid, name, time_to_string(end - start)); 401 if (backtrace) 402 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace); 403 fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n", 404 time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type); 405 width = time2pixels(end)-time2pixels(start); 406 if (width > 6) 407 width = 6; 408 409 width = round_text_size(width); 410 411 if (width > MIN_TEXT_SIZE) 412 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\">%s</text>\n", 413 width, name); 414 415 fprintf(svgfile, "</g>\n"); 416 } 417 418 void svg_cstate(int cpu, u64 start, u64 end, int type) 419 { 420 double width; 421 char style[128]; 422 423 if (!svgfile) 424 return; 425 426 427 fprintf(svgfile, "<g>\n"); 428 429 if (type > 6) 430 type = 6; 431 sprintf(style, "c%i", type); 432 433 fprintf(svgfile, "<rect class=\"%s\" x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\"/>\n", 434 style, 435 time2pixels(start), time2pixels(end)-time2pixels(start), 436 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT); 437 438 width = (time2pixels(end)-time2pixels(start))/2.0; 439 if (width > 6) 440 width = 6; 441 442 width = round_text_size(width); 443 444 if (width > MIN_TEXT_SIZE) 445 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">C%i</text>\n", 446 time2pixels(start), cpu2y(cpu)+width, width, type); 447 448 fprintf(svgfile, "</g>\n"); 449 } 450 451 static char *HzToHuman(unsigned long hz) 452 { 453 static char buffer[1024]; 454 unsigned long long Hz; 455 456 memset(buffer, 0, 1024); 457 458 Hz = hz; 459 460 /* default: just put the Number in */ 461 sprintf(buffer, "%9lli", Hz); 462 463 if (Hz > 1000) 464 sprintf(buffer, " %6lli Mhz", (Hz+500)/1000); 465 466 if (Hz > 1500000) 467 sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000); 468 469 if (Hz == turbo_frequency) 470 sprintf(buffer, "Turbo"); 471 472 return buffer; 473 } 474 475 void svg_pstate(int cpu, u64 start, u64 end, u64 freq) 476 { 477 double height = 0; 478 479 if (!svgfile) 480 return; 481 482 fprintf(svgfile, "<g>\n"); 483 484 if (max_freq) 485 height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT); 486 height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height; 487 fprintf(svgfile, "<line x1=\"%.8f\" x2=\"%.8f\" y1=\"%.1f\" y2=\"%.1f\" class=\"pstate\"/>\n", 488 time2pixels(start), time2pixels(end), height, height); 489 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"0.25pt\">%s</text>\n", 490 time2pixels(start), height+0.9, HzToHuman(freq)); 491 492 fprintf(svgfile, "</g>\n"); 493 } 494 495 496 void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace) 497 { 498 double height; 499 500 if (!svgfile) 501 return; 502 503 504 fprintf(svgfile, "<g>\n"); 505 506 fprintf(svgfile, "<title>%s wakes up %s</title>\n", 507 desc1 ? desc1 : "?", 508 desc2 ? desc2 : "?"); 509 510 if (backtrace) 511 fprintf(svgfile, "<desc>%s</desc>\n", backtrace); 512 513 if (row1 < row2) { 514 if (row1) { 515 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", 516 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32); 517 if (desc2) 518 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n", 519 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2); 520 } 521 if (row2) { 522 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", 523 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row2 * SLOT_MULT); 524 if (desc1) 525 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n", 526 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1); 527 } 528 } else { 529 if (row2) { 530 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", 531 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32); 532 if (desc1) 533 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n", 534 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1); 535 } 536 if (row1) { 537 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", 538 time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row1 * SLOT_MULT); 539 if (desc2) 540 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n", 541 time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2); 542 } 543 } 544 height = row1 * SLOT_MULT; 545 if (row2 > row1) 546 height += SLOT_HEIGHT; 547 if (row1) 548 fprintf(svgfile, "<circle cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n", 549 time2pixels(start), height); 550 551 fprintf(svgfile, "</g>\n"); 552 } 553 554 void svg_wakeline(u64 start, int row1, int row2, const char *backtrace) 555 { 556 double height; 557 558 if (!svgfile) 559 return; 560 561 562 fprintf(svgfile, "<g>\n"); 563 564 if (backtrace) 565 fprintf(svgfile, "<desc>%s</desc>\n", backtrace); 566 567 if (row1 < row2) 568 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", 569 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT); 570 else 571 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", 572 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT); 573 574 height = row1 * SLOT_MULT; 575 if (row2 > row1) 576 height += SLOT_HEIGHT; 577 fprintf(svgfile, "<circle cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n", 578 time2pixels(start), height); 579 580 fprintf(svgfile, "</g>\n"); 581 } 582 583 void svg_interrupt(u64 start, int row, const char *backtrace) 584 { 585 if (!svgfile) 586 return; 587 588 fprintf(svgfile, "<g>\n"); 589 590 fprintf(svgfile, "<title>Wakeup from interrupt</title>\n"); 591 592 if (backtrace) 593 fprintf(svgfile, "<desc>%s</desc>\n", backtrace); 594 595 fprintf(svgfile, "<circle cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n", 596 time2pixels(start), row * SLOT_MULT); 597 fprintf(svgfile, "<circle cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n", 598 time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT); 599 600 fprintf(svgfile, "</g>\n"); 601 } 602 603 void svg_text(int Yslot, u64 start, const char *text) 604 { 605 if (!svgfile) 606 return; 607 608 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n", 609 time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text); 610 } 611 612 static void svg_legenda_box(int X, const char *text, const char *style) 613 { 614 double boxsize; 615 boxsize = SLOT_HEIGHT / 2; 616 617 fprintf(svgfile, "<rect x=\"%i\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n", 618 X, boxsize, boxsize, style); 619 fprintf(svgfile, "<text transform=\"translate(%.8f, %.8f)\" font-size=\"%.8fpt\">%s</text>\n", 620 X + boxsize + 5, boxsize, 0.8 * boxsize, text); 621 } 622 623 void svg_io_legenda(void) 624 { 625 if (!svgfile) 626 return; 627 628 fprintf(svgfile, "<g>\n"); 629 svg_legenda_box(0, "Disk", "disk"); 630 svg_legenda_box(100, "Network", "net"); 631 svg_legenda_box(200, "Sync", "sync"); 632 svg_legenda_box(300, "Poll", "poll"); 633 svg_legenda_box(400, "Error", "error"); 634 fprintf(svgfile, "</g>\n"); 635 } 636 637 void svg_legenda(void) 638 { 639 if (!svgfile) 640 return; 641 642 fprintf(svgfile, "<g>\n"); 643 svg_legenda_box(0, "Running", "sample"); 644 svg_legenda_box(100, "Idle","c1"); 645 svg_legenda_box(200, "Deeper Idle", "c3"); 646 svg_legenda_box(350, "Deepest Idle", "c6"); 647 svg_legenda_box(550, "Sleeping", "process2"); 648 svg_legenda_box(650, "Waiting for cpu", "waiting"); 649 svg_legenda_box(800, "Blocked on IO", "blocked"); 650 fprintf(svgfile, "</g>\n"); 651 } 652 653 void svg_time_grid(double min_thickness) 654 { 655 u64 i; 656 657 if (!svgfile) 658 return; 659 660 i = first_time; 661 while (i < last_time) { 662 int color = 220; 663 double thickness = 0.075; 664 if ((i % 100000000) == 0) { 665 thickness = 0.5; 666 color = 192; 667 } 668 if ((i % 1000000000) == 0) { 669 thickness = 2.0; 670 color = 128; 671 } 672 673 if (thickness >= min_thickness) 674 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%" PRIu64 "\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%.3f\"/>\n", 675 time2pixels(i), SLOT_MULT/2, time2pixels(i), 676 total_height, color, color, color, thickness); 677 678 i += 10000000; 679 } 680 } 681 682 void svg_close(void) 683 { 684 if (svgfile) { 685 fprintf(svgfile, "</svg>\n"); 686 fclose(svgfile); 687 svgfile = NULL; 688 } 689 } 690 691 #define cpumask_bits(maskp) ((maskp)->bits) 692 typedef struct { DECLARE_BITMAP(bits, MAX_NR_CPUS); } cpumask_t; 693 694 struct topology { 695 cpumask_t *sib_core; 696 int sib_core_nr; 697 cpumask_t *sib_thr; 698 int sib_thr_nr; 699 }; 700 701 static void scan_thread_topology(int *map, struct topology *t, int cpu, int *pos) 702 { 703 int i; 704 int thr; 705 706 for (i = 0; i < t->sib_thr_nr; i++) { 707 if (!test_bit(cpu, cpumask_bits(&t->sib_thr[i]))) 708 continue; 709 710 for_each_set_bit(thr, 711 cpumask_bits(&t->sib_thr[i]), 712 MAX_NR_CPUS) 713 if (map[thr] == -1) 714 map[thr] = (*pos)++; 715 } 716 } 717 718 static void scan_core_topology(int *map, struct topology *t) 719 { 720 int pos = 0; 721 int i; 722 int cpu; 723 724 for (i = 0; i < t->sib_core_nr; i++) 725 for_each_set_bit(cpu, 726 cpumask_bits(&t->sib_core[i]), 727 MAX_NR_CPUS) 728 scan_thread_topology(map, t, cpu, &pos); 729 } 730 731 static int str_to_bitmap(char *s, cpumask_t *b) 732 { 733 int i; 734 int ret = 0; 735 struct cpu_map *m; 736 int c; 737 738 m = cpu_map__new(s); 739 if (!m) 740 return -1; 741 742 for (i = 0; i < m->nr; i++) { 743 c = m->map[i]; 744 if (c >= MAX_NR_CPUS) { 745 ret = -1; 746 break; 747 } 748 749 set_bit(c, cpumask_bits(b)); 750 } 751 752 cpu_map__put(m); 753 754 return ret; 755 } 756 757 int svg_build_topology_map(char *sib_core, int sib_core_nr, 758 char *sib_thr, int sib_thr_nr) 759 { 760 int i; 761 struct topology t; 762 763 t.sib_core_nr = sib_core_nr; 764 t.sib_thr_nr = sib_thr_nr; 765 t.sib_core = calloc(sib_core_nr, sizeof(cpumask_t)); 766 t.sib_thr = calloc(sib_thr_nr, sizeof(cpumask_t)); 767 768 if (!t.sib_core || !t.sib_thr) { 769 fprintf(stderr, "topology: no memory\n"); 770 goto exit; 771 } 772 773 for (i = 0; i < sib_core_nr; i++) { 774 if (str_to_bitmap(sib_core, &t.sib_core[i])) { 775 fprintf(stderr, "topology: can't parse siblings map\n"); 776 goto exit; 777 } 778 779 sib_core += strlen(sib_core) + 1; 780 } 781 782 for (i = 0; i < sib_thr_nr; i++) { 783 if (str_to_bitmap(sib_thr, &t.sib_thr[i])) { 784 fprintf(stderr, "topology: can't parse siblings map\n"); 785 goto exit; 786 } 787 788 sib_thr += strlen(sib_thr) + 1; 789 } 790 791 topology_map = malloc(sizeof(int) * MAX_NR_CPUS); 792 if (!topology_map) { 793 fprintf(stderr, "topology: no memory\n"); 794 goto exit; 795 } 796 797 for (i = 0; i < MAX_NR_CPUS; i++) 798 topology_map[i] = -1; 799 800 scan_core_topology(topology_map, &t); 801 802 return 0; 803 804 exit: 805 zfree(&t.sib_core); 806 zfree(&t.sib_thr); 807 808 return -1; 809 } 810