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 22 #include "perf.h" 23 #include "svghelper.h" 24 #include "util.h" 25 #include "cpumap.h" 26 27 static u64 first_time, last_time; 28 static u64 turbo_frequency, max_freq; 29 30 31 #define SLOT_MULT 30.0 32 #define SLOT_HEIGHT 25.0 33 34 int svg_page_width = 1000; 35 u64 svg_highlight; 36 const char *svg_highlight_name; 37 38 #define MIN_TEXT_SIZE 0.01 39 40 static u64 total_height; 41 static FILE *svgfile; 42 43 static double cpu2slot(int cpu) 44 { 45 return 2 * cpu + 1; 46 } 47 48 static int *topology_map; 49 50 static double cpu2y(int cpu) 51 { 52 if (topology_map) 53 return cpu2slot(topology_map[cpu]) * SLOT_MULT; 54 else 55 return cpu2slot(cpu) * SLOT_MULT; 56 } 57 58 static double time2pixels(u64 __time) 59 { 60 double X; 61 62 X = 1.0 * svg_page_width * (__time - first_time) / (last_time - first_time); 63 return X; 64 } 65 66 /* 67 * Round text sizes so that the svg viewer only needs a discrete 68 * number of renderings of the font 69 */ 70 static double round_text_size(double size) 71 { 72 int loop = 100; 73 double target = 10.0; 74 75 if (size >= 10.0) 76 return size; 77 while (loop--) { 78 if (size >= target) 79 return target; 80 target = target / 2.0; 81 } 82 return size; 83 } 84 85 void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end) 86 { 87 int new_width; 88 89 svgfile = fopen(filename, "w"); 90 if (!svgfile) { 91 fprintf(stderr, "Cannot open %s for output\n", filename); 92 return; 93 } 94 first_time = start; 95 first_time = first_time / 100000000 * 100000000; 96 last_time = end; 97 98 /* 99 * if the recording is short, we default to a width of 1000, but 100 * for longer recordings we want at least 200 units of width per second 101 */ 102 new_width = (last_time - first_time) / 5000000; 103 104 if (new_width > svg_page_width) 105 svg_page_width = new_width; 106 107 total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT; 108 fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n"); 109 fprintf(svgfile, "<!DOCTYPE svg SYSTEM \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n"); 110 fprintf(svgfile, "<svg width=\"%i\" height=\"%" PRIu64 "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height); 111 112 fprintf(svgfile, "<defs>\n <style type=\"text/css\">\n <![CDATA[\n"); 113 114 fprintf(svgfile, " rect { stroke-width: 1; }\n"); 115 fprintf(svgfile, " rect.process { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1; stroke:rgb( 0, 0, 0); } \n"); 116 fprintf(svgfile, " rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 117 fprintf(svgfile, " rect.sample { fill:rgb( 0, 0,255); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 118 fprintf(svgfile, " rect.sample_hi{ fill:rgb(255,128, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 119 fprintf(svgfile, " rect.blocked { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 120 fprintf(svgfile, " rect.waiting { fill:rgb(224,214, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 121 fprintf(svgfile, " rect.WAITING { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 122 fprintf(svgfile, " rect.cpu { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n"); 123 fprintf(svgfile, " rect.pstate { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n"); 124 fprintf(svgfile, " rect.c1 { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n"); 125 fprintf(svgfile, " rect.c2 { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n"); 126 fprintf(svgfile, " rect.c3 { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n"); 127 fprintf(svgfile, " rect.c4 { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n"); 128 fprintf(svgfile, " rect.c5 { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n"); 129 fprintf(svgfile, " rect.c6 { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; } \n"); 130 fprintf(svgfile, " line.pstate { stroke:rgb(255,255, 0); stroke-opacity:0.8; stroke-width:2; } \n"); 131 132 fprintf(svgfile, " ]]>\n </style>\n</defs>\n"); 133 } 134 135 void svg_box(int Yslot, u64 start, u64 end, const char *type) 136 { 137 if (!svgfile) 138 return; 139 140 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n", 141 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type); 142 } 143 144 static char *time_to_string(u64 duration); 145 void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace) 146 { 147 if (!svgfile) 148 return; 149 150 fprintf(svgfile, "<g>\n"); 151 fprintf(svgfile, "<title>#%d blocked %s</title>\n", cpu, 152 time_to_string(end - start)); 153 if (backtrace) 154 fprintf(svgfile, "<desc>Blocked on:\n%s</desc>\n", backtrace); 155 svg_box(Yslot, start, end, "blocked"); 156 fprintf(svgfile, "</g>\n"); 157 } 158 159 void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace) 160 { 161 double text_size; 162 const char *type; 163 164 if (!svgfile) 165 return; 166 167 if (svg_highlight && end - start > svg_highlight) 168 type = "sample_hi"; 169 else 170 type = "sample"; 171 fprintf(svgfile, "<g>\n"); 172 173 fprintf(svgfile, "<title>#%d running %s</title>\n", 174 cpu, time_to_string(end - start)); 175 if (backtrace) 176 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace); 177 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n", 178 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, 179 type); 180 181 text_size = (time2pixels(end)-time2pixels(start)); 182 if (cpu > 9) 183 text_size = text_size/2; 184 if (text_size > 1.25) 185 text_size = 1.25; 186 text_size = round_text_size(text_size); 187 188 if (text_size > MIN_TEXT_SIZE) 189 fprintf(svgfile, "<text x=\"%1.8f\" y=\"%1.8f\" font-size=\"%1.8fpt\">%i</text>\n", 190 time2pixels(start), Yslot * SLOT_MULT + SLOT_HEIGHT - 1, text_size, cpu + 1); 191 192 fprintf(svgfile, "</g>\n"); 193 } 194 195 static char *time_to_string(u64 duration) 196 { 197 static char text[80]; 198 199 text[0] = 0; 200 201 if (duration < 1000) /* less than 1 usec */ 202 return text; 203 204 if (duration < 1000 * 1000) { /* less than 1 msec */ 205 sprintf(text, "%4.1f us", duration / 1000.0); 206 return text; 207 } 208 sprintf(text, "%4.1f ms", duration / 1000.0 / 1000); 209 210 return text; 211 } 212 213 void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace) 214 { 215 char *text; 216 const char *style; 217 double font_size; 218 219 if (!svgfile) 220 return; 221 222 style = "waiting"; 223 224 if (end-start > 10 * 1000000) /* 10 msec */ 225 style = "WAITING"; 226 227 text = time_to_string(end-start); 228 229 font_size = 1.0 * (time2pixels(end)-time2pixels(start)); 230 231 if (font_size > 3) 232 font_size = 3; 233 234 font_size = round_text_size(font_size); 235 236 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT); 237 fprintf(svgfile, "<title>#%d waiting %s</title>\n", cpu, time_to_string(end - start)); 238 if (backtrace) 239 fprintf(svgfile, "<desc>Waiting on:\n%s</desc>\n", backtrace); 240 fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n", 241 time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style); 242 if (font_size > MIN_TEXT_SIZE) 243 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%1.8fpt\"> %s</text>\n", 244 font_size, text); 245 fprintf(svgfile, "</g>\n"); 246 } 247 248 static char *cpu_model(void) 249 { 250 static char cpu_m[255]; 251 char buf[256]; 252 FILE *file; 253 254 cpu_m[0] = 0; 255 /* CPU type */ 256 file = fopen("/proc/cpuinfo", "r"); 257 if (file) { 258 while (fgets(buf, 255, file)) { 259 if (strstr(buf, "model name")) { 260 strncpy(cpu_m, &buf[13], 255); 261 break; 262 } 263 } 264 fclose(file); 265 } 266 267 /* CPU type */ 268 file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r"); 269 if (file) { 270 while (fgets(buf, 255, file)) { 271 unsigned int freq; 272 freq = strtoull(buf, NULL, 10); 273 if (freq > max_freq) 274 max_freq = freq; 275 } 276 fclose(file); 277 } 278 return cpu_m; 279 } 280 281 void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq) 282 { 283 char cpu_string[80]; 284 if (!svgfile) 285 return; 286 287 max_freq = __max_freq; 288 turbo_frequency = __turbo_freq; 289 290 fprintf(svgfile, "<g>\n"); 291 292 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"cpu\"/>\n", 293 time2pixels(first_time), 294 time2pixels(last_time)-time2pixels(first_time), 295 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT); 296 297 sprintf(cpu_string, "CPU %i", (int)cpu); 298 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n", 299 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string); 300 301 fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\" font-size=\"1.25pt\">%s</text>\n", 302 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model()); 303 304 fprintf(svgfile, "</g>\n"); 305 } 306 307 void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace) 308 { 309 double width; 310 const char *type; 311 312 if (!svgfile) 313 return; 314 315 if (svg_highlight && end - start >= svg_highlight) 316 type = "sample_hi"; 317 else if (svg_highlight_name && strstr(name, svg_highlight_name)) 318 type = "sample_hi"; 319 else 320 type = "sample"; 321 322 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), cpu2y(cpu)); 323 fprintf(svgfile, "<title>%d %s running %s</title>\n", pid, name, time_to_string(end - start)); 324 if (backtrace) 325 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace); 326 fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n", 327 time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type); 328 width = time2pixels(end)-time2pixels(start); 329 if (width > 6) 330 width = 6; 331 332 width = round_text_size(width); 333 334 if (width > MIN_TEXT_SIZE) 335 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%3.8fpt\">%s</text>\n", 336 width, name); 337 338 fprintf(svgfile, "</g>\n"); 339 } 340 341 void svg_cstate(int cpu, u64 start, u64 end, int type) 342 { 343 double width; 344 char style[128]; 345 346 if (!svgfile) 347 return; 348 349 350 fprintf(svgfile, "<g>\n"); 351 352 if (type > 6) 353 type = 6; 354 sprintf(style, "c%i", type); 355 356 fprintf(svgfile, "<rect class=\"%s\" x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\"/>\n", 357 style, 358 time2pixels(start), time2pixels(end)-time2pixels(start), 359 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT); 360 361 width = (time2pixels(end)-time2pixels(start))/2.0; 362 if (width > 6) 363 width = 6; 364 365 width = round_text_size(width); 366 367 if (width > MIN_TEXT_SIZE) 368 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"%3.8fpt\">C%i</text>\n", 369 time2pixels(start), cpu2y(cpu)+width, width, type); 370 371 fprintf(svgfile, "</g>\n"); 372 } 373 374 static char *HzToHuman(unsigned long hz) 375 { 376 static char buffer[1024]; 377 unsigned long long Hz; 378 379 memset(buffer, 0, 1024); 380 381 Hz = hz; 382 383 /* default: just put the Number in */ 384 sprintf(buffer, "%9lli", Hz); 385 386 if (Hz > 1000) 387 sprintf(buffer, " %6lli Mhz", (Hz+500)/1000); 388 389 if (Hz > 1500000) 390 sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000); 391 392 if (Hz == turbo_frequency) 393 sprintf(buffer, "Turbo"); 394 395 return buffer; 396 } 397 398 void svg_pstate(int cpu, u64 start, u64 end, u64 freq) 399 { 400 double height = 0; 401 402 if (!svgfile) 403 return; 404 405 fprintf(svgfile, "<g>\n"); 406 407 if (max_freq) 408 height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT); 409 height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height; 410 fprintf(svgfile, "<line x1=\"%4.8f\" x2=\"%4.8f\" y1=\"%4.1f\" y2=\"%4.1f\" class=\"pstate\"/>\n", 411 time2pixels(start), time2pixels(end), height, height); 412 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"0.25pt\">%s</text>\n", 413 time2pixels(start), height+0.9, HzToHuman(freq)); 414 415 fprintf(svgfile, "</g>\n"); 416 } 417 418 419 void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace) 420 { 421 double height; 422 423 if (!svgfile) 424 return; 425 426 427 fprintf(svgfile, "<g>\n"); 428 429 fprintf(svgfile, "<title>%s wakes up %s</title>\n", 430 desc1 ? desc1 : "?", 431 desc2 ? desc2 : "?"); 432 433 if (backtrace) 434 fprintf(svgfile, "<desc>%s</desc>\n", backtrace); 435 436 if (row1 < row2) { 437 if (row1) { 438 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", 439 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32); 440 if (desc2) 441 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n", 442 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2); 443 } 444 if (row2) { 445 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", 446 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row2 * SLOT_MULT); 447 if (desc1) 448 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n", 449 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1); 450 } 451 } else { 452 if (row2) { 453 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", 454 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32); 455 if (desc1) 456 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n", 457 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1); 458 } 459 if (row1) { 460 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", 461 time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row1 * SLOT_MULT); 462 if (desc2) 463 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n", 464 time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2); 465 } 466 } 467 height = row1 * SLOT_MULT; 468 if (row2 > row1) 469 height += SLOT_HEIGHT; 470 if (row1) 471 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n", 472 time2pixels(start), height); 473 474 fprintf(svgfile, "</g>\n"); 475 } 476 477 void svg_wakeline(u64 start, int row1, int row2, const char *backtrace) 478 { 479 double height; 480 481 if (!svgfile) 482 return; 483 484 485 fprintf(svgfile, "<g>\n"); 486 487 if (backtrace) 488 fprintf(svgfile, "<desc>%s</desc>\n", backtrace); 489 490 if (row1 < row2) 491 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", 492 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT); 493 else 494 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", 495 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT); 496 497 height = row1 * SLOT_MULT; 498 if (row2 > row1) 499 height += SLOT_HEIGHT; 500 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n", 501 time2pixels(start), height); 502 503 fprintf(svgfile, "</g>\n"); 504 } 505 506 void svg_interrupt(u64 start, int row, const char *backtrace) 507 { 508 if (!svgfile) 509 return; 510 511 fprintf(svgfile, "<g>\n"); 512 513 fprintf(svgfile, "<title>Wakeup from interrupt</title>\n"); 514 515 if (backtrace) 516 fprintf(svgfile, "<desc>%s</desc>\n", backtrace); 517 518 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n", 519 time2pixels(start), row * SLOT_MULT); 520 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n", 521 time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT); 522 523 fprintf(svgfile, "</g>\n"); 524 } 525 526 void svg_text(int Yslot, u64 start, const char *text) 527 { 528 if (!svgfile) 529 return; 530 531 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n", 532 time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text); 533 } 534 535 static void svg_legenda_box(int X, const char *text, const char *style) 536 { 537 double boxsize; 538 boxsize = SLOT_HEIGHT / 2; 539 540 fprintf(svgfile, "<rect x=\"%i\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n", 541 X, boxsize, boxsize, style); 542 fprintf(svgfile, "<text transform=\"translate(%4.8f, %4.8f)\" font-size=\"%4.8fpt\">%s</text>\n", 543 X + boxsize + 5, boxsize, 0.8 * boxsize, text); 544 } 545 546 void svg_legenda(void) 547 { 548 if (!svgfile) 549 return; 550 551 fprintf(svgfile, "<g>\n"); 552 svg_legenda_box(0, "Running", "sample"); 553 svg_legenda_box(100, "Idle","c1"); 554 svg_legenda_box(200, "Deeper Idle", "c3"); 555 svg_legenda_box(350, "Deepest Idle", "c6"); 556 svg_legenda_box(550, "Sleeping", "process2"); 557 svg_legenda_box(650, "Waiting for cpu", "waiting"); 558 svg_legenda_box(800, "Blocked on IO", "blocked"); 559 fprintf(svgfile, "</g>\n"); 560 } 561 562 void svg_time_grid(void) 563 { 564 u64 i; 565 566 if (!svgfile) 567 return; 568 569 i = first_time; 570 while (i < last_time) { 571 int color = 220; 572 double thickness = 0.075; 573 if ((i % 100000000) == 0) { 574 thickness = 0.5; 575 color = 192; 576 } 577 if ((i % 1000000000) == 0) { 578 thickness = 2.0; 579 color = 128; 580 } 581 582 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%" PRIu64 "\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%1.3f\"/>\n", 583 time2pixels(i), SLOT_MULT/2, time2pixels(i), total_height, color, color, color, thickness); 584 585 i += 10000000; 586 } 587 } 588 589 void svg_close(void) 590 { 591 if (svgfile) { 592 fprintf(svgfile, "</svg>\n"); 593 fclose(svgfile); 594 svgfile = NULL; 595 } 596 } 597 598 #define cpumask_bits(maskp) ((maskp)->bits) 599 typedef struct { DECLARE_BITMAP(bits, MAX_NR_CPUS); } cpumask_t; 600 601 struct topology { 602 cpumask_t *sib_core; 603 int sib_core_nr; 604 cpumask_t *sib_thr; 605 int sib_thr_nr; 606 }; 607 608 static void scan_thread_topology(int *map, struct topology *t, int cpu, int *pos) 609 { 610 int i; 611 int thr; 612 613 for (i = 0; i < t->sib_thr_nr; i++) { 614 if (!test_bit(cpu, cpumask_bits(&t->sib_thr[i]))) 615 continue; 616 617 for_each_set_bit(thr, 618 cpumask_bits(&t->sib_thr[i]), 619 MAX_NR_CPUS) 620 if (map[thr] == -1) 621 map[thr] = (*pos)++; 622 } 623 } 624 625 static void scan_core_topology(int *map, struct topology *t) 626 { 627 int pos = 0; 628 int i; 629 int cpu; 630 631 for (i = 0; i < t->sib_core_nr; i++) 632 for_each_set_bit(cpu, 633 cpumask_bits(&t->sib_core[i]), 634 MAX_NR_CPUS) 635 scan_thread_topology(map, t, cpu, &pos); 636 } 637 638 static int str_to_bitmap(char *s, cpumask_t *b) 639 { 640 int i; 641 int ret = 0; 642 struct cpu_map *m; 643 int c; 644 645 m = cpu_map__new(s); 646 if (!m) 647 return -1; 648 649 for (i = 0; i < m->nr; i++) { 650 c = m->map[i]; 651 if (c >= MAX_NR_CPUS) { 652 ret = -1; 653 break; 654 } 655 656 set_bit(c, cpumask_bits(b)); 657 } 658 659 cpu_map__delete(m); 660 661 return ret; 662 } 663 664 int svg_build_topology_map(char *sib_core, int sib_core_nr, 665 char *sib_thr, int sib_thr_nr) 666 { 667 int i; 668 struct topology t; 669 670 t.sib_core_nr = sib_core_nr; 671 t.sib_thr_nr = sib_thr_nr; 672 t.sib_core = calloc(sib_core_nr, sizeof(cpumask_t)); 673 t.sib_thr = calloc(sib_thr_nr, sizeof(cpumask_t)); 674 675 if (!t.sib_core || !t.sib_thr) { 676 fprintf(stderr, "topology: no memory\n"); 677 goto exit; 678 } 679 680 for (i = 0; i < sib_core_nr; i++) { 681 if (str_to_bitmap(sib_core, &t.sib_core[i])) { 682 fprintf(stderr, "topology: can't parse siblings map\n"); 683 goto exit; 684 } 685 686 sib_core += strlen(sib_core) + 1; 687 } 688 689 for (i = 0; i < sib_thr_nr; i++) { 690 if (str_to_bitmap(sib_thr, &t.sib_thr[i])) { 691 fprintf(stderr, "topology: can't parse siblings map\n"); 692 goto exit; 693 } 694 695 sib_thr += strlen(sib_thr) + 1; 696 } 697 698 topology_map = malloc(sizeof(int) * MAX_NR_CPUS); 699 if (!topology_map) { 700 fprintf(stderr, "topology: no memory\n"); 701 goto exit; 702 } 703 704 for (i = 0; i < MAX_NR_CPUS; i++) 705 topology_map[i] = -1; 706 707 scan_core_topology(topology_map, &t); 708 709 return 0; 710 711 exit: 712 zfree(&t.sib_core); 713 zfree(&t.sib_thr); 714 715 return -1; 716 } 717