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/bitops.h> 21 22 #include "perf.h" 23 #include "svghelper.h" 24 #include "cpumap.h" 25 26 static u64 first_time, last_time; 27 static u64 turbo_frequency, max_freq; 28 29 30 #define SLOT_MULT 30.0 31 #define SLOT_HEIGHT 25.0 32 33 int svg_page_width = 1000; 34 35 #define MIN_TEXT_SIZE 0.01 36 37 static u64 total_height; 38 static FILE *svgfile; 39 40 static double cpu2slot(int cpu) 41 { 42 return 2 * cpu + 1; 43 } 44 45 static int *topology_map; 46 47 static double cpu2y(int cpu) 48 { 49 if (topology_map) 50 return cpu2slot(topology_map[cpu]) * SLOT_MULT; 51 else 52 return cpu2slot(cpu) * SLOT_MULT; 53 } 54 55 static double time2pixels(u64 __time) 56 { 57 double X; 58 59 X = 1.0 * svg_page_width * (__time - first_time) / (last_time - first_time); 60 return X; 61 } 62 63 /* 64 * Round text sizes so that the svg viewer only needs a discrete 65 * number of renderings of the font 66 */ 67 static double round_text_size(double size) 68 { 69 int loop = 100; 70 double target = 10.0; 71 72 if (size >= 10.0) 73 return size; 74 while (loop--) { 75 if (size >= target) 76 return target; 77 target = target / 2.0; 78 } 79 return size; 80 } 81 82 void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end) 83 { 84 int new_width; 85 86 svgfile = fopen(filename, "w"); 87 if (!svgfile) { 88 fprintf(stderr, "Cannot open %s for output\n", filename); 89 return; 90 } 91 first_time = start; 92 first_time = first_time / 100000000 * 100000000; 93 last_time = end; 94 95 /* 96 * if the recording is short, we default to a width of 1000, but 97 * for longer recordings we want at least 200 units of width per second 98 */ 99 new_width = (last_time - first_time) / 5000000; 100 101 if (new_width > svg_page_width) 102 svg_page_width = new_width; 103 104 total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT; 105 fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n"); 106 fprintf(svgfile, "<!DOCTYPE svg SYSTEM \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n"); 107 fprintf(svgfile, "<svg width=\"%i\" height=\"%" PRIu64 "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height); 108 109 fprintf(svgfile, "<defs>\n <style type=\"text/css\">\n <![CDATA[\n"); 110 111 fprintf(svgfile, " rect { stroke-width: 1; }\n"); 112 fprintf(svgfile, " rect.process { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1; stroke:rgb( 0, 0, 0); } \n"); 113 fprintf(svgfile, " rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 114 fprintf(svgfile, " rect.sample { fill:rgb( 0, 0,255); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 115 fprintf(svgfile, " rect.blocked { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 116 fprintf(svgfile, " rect.waiting { fill:rgb(224,214, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 117 fprintf(svgfile, " rect.WAITING { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 118 fprintf(svgfile, " rect.cpu { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n"); 119 fprintf(svgfile, " rect.pstate { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n"); 120 fprintf(svgfile, " rect.c1 { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n"); 121 fprintf(svgfile, " rect.c2 { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n"); 122 fprintf(svgfile, " rect.c3 { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n"); 123 fprintf(svgfile, " rect.c4 { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n"); 124 fprintf(svgfile, " rect.c5 { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n"); 125 fprintf(svgfile, " rect.c6 { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; } \n"); 126 fprintf(svgfile, " line.pstate { stroke:rgb(255,255, 0); stroke-opacity:0.8; stroke-width:2; } \n"); 127 128 fprintf(svgfile, " ]]>\n </style>\n</defs>\n"); 129 } 130 131 void svg_box(int Yslot, u64 start, u64 end, const char *type) 132 { 133 if (!svgfile) 134 return; 135 136 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n", 137 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type); 138 } 139 140 static char *time_to_string(u64 duration); 141 void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace) 142 { 143 if (!svgfile) 144 return; 145 146 fprintf(svgfile, "<g>\n"); 147 fprintf(svgfile, "<title>#%d blocked %s</title>\n", cpu, 148 time_to_string(end - start)); 149 if (backtrace) 150 fprintf(svgfile, "<desc>Blocked on:\n%s</desc>\n", backtrace); 151 svg_box(Yslot, start, end, "blocked"); 152 fprintf(svgfile, "</g>\n"); 153 } 154 155 void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace) 156 { 157 double text_size; 158 if (!svgfile) 159 return; 160 161 fprintf(svgfile, "<g>\n"); 162 163 fprintf(svgfile, "<title>#%d running %s</title>\n", 164 cpu, time_to_string(end - start)); 165 if (backtrace) 166 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace); 167 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"sample\"/>\n", 168 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT); 169 170 text_size = (time2pixels(end)-time2pixels(start)); 171 if (cpu > 9) 172 text_size = text_size/2; 173 if (text_size > 1.25) 174 text_size = 1.25; 175 text_size = round_text_size(text_size); 176 177 if (text_size > MIN_TEXT_SIZE) 178 fprintf(svgfile, "<text x=\"%1.8f\" y=\"%1.8f\" font-size=\"%1.8fpt\">%i</text>\n", 179 time2pixels(start), Yslot * SLOT_MULT + SLOT_HEIGHT - 1, text_size, cpu + 1); 180 181 fprintf(svgfile, "</g>\n"); 182 } 183 184 static char *time_to_string(u64 duration) 185 { 186 static char text[80]; 187 188 text[0] = 0; 189 190 if (duration < 1000) /* less than 1 usec */ 191 return text; 192 193 if (duration < 1000 * 1000) { /* less than 1 msec */ 194 sprintf(text, "%4.1f us", duration / 1000.0); 195 return text; 196 } 197 sprintf(text, "%4.1f ms", duration / 1000.0 / 1000); 198 199 return text; 200 } 201 202 void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace) 203 { 204 char *text; 205 const char *style; 206 double font_size; 207 208 if (!svgfile) 209 return; 210 211 style = "waiting"; 212 213 if (end-start > 10 * 1000000) /* 10 msec */ 214 style = "WAITING"; 215 216 text = time_to_string(end-start); 217 218 font_size = 1.0 * (time2pixels(end)-time2pixels(start)); 219 220 if (font_size > 3) 221 font_size = 3; 222 223 font_size = round_text_size(font_size); 224 225 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT); 226 fprintf(svgfile, "<title>#%d waiting %s</title>\n", cpu, time_to_string(end - start)); 227 if (backtrace) 228 fprintf(svgfile, "<desc>Waiting on:\n%s</desc>\n", backtrace); 229 fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n", 230 time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style); 231 if (font_size > MIN_TEXT_SIZE) 232 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%1.8fpt\"> %s</text>\n", 233 font_size, text); 234 fprintf(svgfile, "</g>\n"); 235 } 236 237 static char *cpu_model(void) 238 { 239 static char cpu_m[255]; 240 char buf[256]; 241 FILE *file; 242 243 cpu_m[0] = 0; 244 /* CPU type */ 245 file = fopen("/proc/cpuinfo", "r"); 246 if (file) { 247 while (fgets(buf, 255, file)) { 248 if (strstr(buf, "model name")) { 249 strncpy(cpu_m, &buf[13], 255); 250 break; 251 } 252 } 253 fclose(file); 254 } 255 256 /* CPU type */ 257 file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r"); 258 if (file) { 259 while (fgets(buf, 255, file)) { 260 unsigned int freq; 261 freq = strtoull(buf, NULL, 10); 262 if (freq > max_freq) 263 max_freq = freq; 264 } 265 fclose(file); 266 } 267 return cpu_m; 268 } 269 270 void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq) 271 { 272 char cpu_string[80]; 273 if (!svgfile) 274 return; 275 276 max_freq = __max_freq; 277 turbo_frequency = __turbo_freq; 278 279 fprintf(svgfile, "<g>\n"); 280 281 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"cpu\"/>\n", 282 time2pixels(first_time), 283 time2pixels(last_time)-time2pixels(first_time), 284 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT); 285 286 sprintf(cpu_string, "CPU %i", (int)cpu); 287 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n", 288 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string); 289 290 fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\" font-size=\"1.25pt\">%s</text>\n", 291 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model()); 292 293 fprintf(svgfile, "</g>\n"); 294 } 295 296 void svg_process(int cpu, u64 start, u64 end, int pid, const char *type, const char *name, const char *backtrace) 297 { 298 double width; 299 300 if (!svgfile) 301 return; 302 303 304 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), cpu2y(cpu)); 305 fprintf(svgfile, "<title>%d %s running %s</title>\n", pid, name, time_to_string(end - start)); 306 if (backtrace) 307 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace); 308 fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n", 309 time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type); 310 width = time2pixels(end)-time2pixels(start); 311 if (width > 6) 312 width = 6; 313 314 width = round_text_size(width); 315 316 if (width > MIN_TEXT_SIZE) 317 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%3.8fpt\">%s</text>\n", 318 width, name); 319 320 fprintf(svgfile, "</g>\n"); 321 } 322 323 void svg_cstate(int cpu, u64 start, u64 end, int type) 324 { 325 double width; 326 char style[128]; 327 328 if (!svgfile) 329 return; 330 331 332 fprintf(svgfile, "<g>\n"); 333 334 if (type > 6) 335 type = 6; 336 sprintf(style, "c%i", type); 337 338 fprintf(svgfile, "<rect class=\"%s\" x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\"/>\n", 339 style, 340 time2pixels(start), time2pixels(end)-time2pixels(start), 341 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT); 342 343 width = (time2pixels(end)-time2pixels(start))/2.0; 344 if (width > 6) 345 width = 6; 346 347 width = round_text_size(width); 348 349 if (width > MIN_TEXT_SIZE) 350 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"%3.8fpt\">C%i</text>\n", 351 time2pixels(start), cpu2y(cpu)+width, width, type); 352 353 fprintf(svgfile, "</g>\n"); 354 } 355 356 static char *HzToHuman(unsigned long hz) 357 { 358 static char buffer[1024]; 359 unsigned long long Hz; 360 361 memset(buffer, 0, 1024); 362 363 Hz = hz; 364 365 /* default: just put the Number in */ 366 sprintf(buffer, "%9lli", Hz); 367 368 if (Hz > 1000) 369 sprintf(buffer, " %6lli Mhz", (Hz+500)/1000); 370 371 if (Hz > 1500000) 372 sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000); 373 374 if (Hz == turbo_frequency) 375 sprintf(buffer, "Turbo"); 376 377 return buffer; 378 } 379 380 void svg_pstate(int cpu, u64 start, u64 end, u64 freq) 381 { 382 double height = 0; 383 384 if (!svgfile) 385 return; 386 387 fprintf(svgfile, "<g>\n"); 388 389 if (max_freq) 390 height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT); 391 height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height; 392 fprintf(svgfile, "<line x1=\"%4.8f\" x2=\"%4.8f\" y1=\"%4.1f\" y2=\"%4.1f\" class=\"pstate\"/>\n", 393 time2pixels(start), time2pixels(end), height, height); 394 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"0.25pt\">%s</text>\n", 395 time2pixels(start), height+0.9, HzToHuman(freq)); 396 397 fprintf(svgfile, "</g>\n"); 398 } 399 400 401 void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace) 402 { 403 double height; 404 405 if (!svgfile) 406 return; 407 408 409 fprintf(svgfile, "<g>\n"); 410 411 fprintf(svgfile, "<title>%s wakes up %s</title>\n", 412 desc1 ? desc1 : "?", 413 desc2 ? desc2 : "?"); 414 415 if (backtrace) 416 fprintf(svgfile, "<desc>%s</desc>\n", backtrace); 417 418 if (row1 < row2) { 419 if (row1) { 420 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", 421 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32); 422 if (desc2) 423 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n", 424 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2); 425 } 426 if (row2) { 427 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", 428 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row2 * SLOT_MULT); 429 if (desc1) 430 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n", 431 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1); 432 } 433 } else { 434 if (row2) { 435 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", 436 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32); 437 if (desc1) 438 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n", 439 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1); 440 } 441 if (row1) { 442 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", 443 time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row1 * SLOT_MULT); 444 if (desc2) 445 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n", 446 time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2); 447 } 448 } 449 height = row1 * SLOT_MULT; 450 if (row2 > row1) 451 height += SLOT_HEIGHT; 452 if (row1) 453 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n", 454 time2pixels(start), height); 455 456 fprintf(svgfile, "</g>\n"); 457 } 458 459 void svg_wakeline(u64 start, int row1, int row2, const char *backtrace) 460 { 461 double height; 462 463 if (!svgfile) 464 return; 465 466 467 fprintf(svgfile, "<g>\n"); 468 469 if (backtrace) 470 fprintf(svgfile, "<desc>%s</desc>\n", backtrace); 471 472 if (row1 < row2) 473 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", 474 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT); 475 else 476 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", 477 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT); 478 479 height = row1 * SLOT_MULT; 480 if (row2 > row1) 481 height += SLOT_HEIGHT; 482 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n", 483 time2pixels(start), height); 484 485 fprintf(svgfile, "</g>\n"); 486 } 487 488 void svg_interrupt(u64 start, int row, const char *backtrace) 489 { 490 if (!svgfile) 491 return; 492 493 fprintf(svgfile, "<g>\n"); 494 495 fprintf(svgfile, "<title>Wakeup from interrupt</title>\n"); 496 497 if (backtrace) 498 fprintf(svgfile, "<desc>%s</desc>\n", backtrace); 499 500 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n", 501 time2pixels(start), row * SLOT_MULT); 502 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n", 503 time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT); 504 505 fprintf(svgfile, "</g>\n"); 506 } 507 508 void svg_text(int Yslot, u64 start, const char *text) 509 { 510 if (!svgfile) 511 return; 512 513 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n", 514 time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text); 515 } 516 517 static void svg_legenda_box(int X, const char *text, const char *style) 518 { 519 double boxsize; 520 boxsize = SLOT_HEIGHT / 2; 521 522 fprintf(svgfile, "<rect x=\"%i\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n", 523 X, boxsize, boxsize, style); 524 fprintf(svgfile, "<text transform=\"translate(%4.8f, %4.8f)\" font-size=\"%4.8fpt\">%s</text>\n", 525 X + boxsize + 5, boxsize, 0.8 * boxsize, text); 526 } 527 528 void svg_legenda(void) 529 { 530 if (!svgfile) 531 return; 532 533 fprintf(svgfile, "<g>\n"); 534 svg_legenda_box(0, "Running", "sample"); 535 svg_legenda_box(100, "Idle","c1"); 536 svg_legenda_box(200, "Deeper Idle", "c3"); 537 svg_legenda_box(350, "Deepest Idle", "c6"); 538 svg_legenda_box(550, "Sleeping", "process2"); 539 svg_legenda_box(650, "Waiting for cpu", "waiting"); 540 svg_legenda_box(800, "Blocked on IO", "blocked"); 541 fprintf(svgfile, "</g>\n"); 542 } 543 544 void svg_time_grid(void) 545 { 546 u64 i; 547 548 if (!svgfile) 549 return; 550 551 i = first_time; 552 while (i < last_time) { 553 int color = 220; 554 double thickness = 0.075; 555 if ((i % 100000000) == 0) { 556 thickness = 0.5; 557 color = 192; 558 } 559 if ((i % 1000000000) == 0) { 560 thickness = 2.0; 561 color = 128; 562 } 563 564 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", 565 time2pixels(i), SLOT_MULT/2, time2pixels(i), total_height, color, color, color, thickness); 566 567 i += 10000000; 568 } 569 } 570 571 void svg_close(void) 572 { 573 if (svgfile) { 574 fprintf(svgfile, "</svg>\n"); 575 fclose(svgfile); 576 svgfile = NULL; 577 } 578 } 579 580 #define cpumask_bits(maskp) ((maskp)->bits) 581 typedef struct { DECLARE_BITMAP(bits, MAX_NR_CPUS); } cpumask_t; 582 583 struct topology { 584 cpumask_t *sib_core; 585 int sib_core_nr; 586 cpumask_t *sib_thr; 587 int sib_thr_nr; 588 }; 589 590 static void scan_thread_topology(int *map, struct topology *t, int cpu, int *pos) 591 { 592 int i; 593 int thr; 594 595 for (i = 0; i < t->sib_thr_nr; i++) { 596 if (!test_bit(cpu, cpumask_bits(&t->sib_thr[i]))) 597 continue; 598 599 for_each_set_bit(thr, 600 cpumask_bits(&t->sib_thr[i]), 601 MAX_NR_CPUS) 602 if (map[thr] == -1) 603 map[thr] = (*pos)++; 604 } 605 } 606 607 static void scan_core_topology(int *map, struct topology *t) 608 { 609 int pos = 0; 610 int i; 611 int cpu; 612 613 for (i = 0; i < t->sib_core_nr; i++) 614 for_each_set_bit(cpu, 615 cpumask_bits(&t->sib_core[i]), 616 MAX_NR_CPUS) 617 scan_thread_topology(map, t, cpu, &pos); 618 } 619 620 static int str_to_bitmap(char *s, cpumask_t *b) 621 { 622 int i; 623 int ret = 0; 624 struct cpu_map *m; 625 int c; 626 627 m = cpu_map__new(s); 628 if (!m) 629 return -1; 630 631 for (i = 0; i < m->nr; i++) { 632 c = m->map[i]; 633 if (c >= MAX_NR_CPUS) { 634 ret = -1; 635 break; 636 } 637 638 set_bit(c, cpumask_bits(b)); 639 } 640 641 cpu_map__delete(m); 642 643 return ret; 644 } 645 646 int svg_build_topology_map(char *sib_core, int sib_core_nr, 647 char *sib_thr, int sib_thr_nr) 648 { 649 int i; 650 struct topology t; 651 652 t.sib_core_nr = sib_core_nr; 653 t.sib_thr_nr = sib_thr_nr; 654 t.sib_core = calloc(sib_core_nr, sizeof(cpumask_t)); 655 t.sib_thr = calloc(sib_thr_nr, sizeof(cpumask_t)); 656 657 if (!t.sib_core || !t.sib_thr) { 658 fprintf(stderr, "topology: no memory\n"); 659 goto exit; 660 } 661 662 for (i = 0; i < sib_core_nr; i++) { 663 if (str_to_bitmap(sib_core, &t.sib_core[i])) { 664 fprintf(stderr, "topology: can't parse siblings map\n"); 665 goto exit; 666 } 667 668 sib_core += strlen(sib_core) + 1; 669 } 670 671 for (i = 0; i < sib_thr_nr; i++) { 672 if (str_to_bitmap(sib_thr, &t.sib_thr[i])) { 673 fprintf(stderr, "topology: can't parse siblings map\n"); 674 goto exit; 675 } 676 677 sib_thr += strlen(sib_thr) + 1; 678 } 679 680 topology_map = malloc(sizeof(int) * MAX_NR_CPUS); 681 if (!topology_map) { 682 fprintf(stderr, "topology: no memory\n"); 683 goto exit; 684 } 685 686 for (i = 0; i < MAX_NR_CPUS; i++) 687 topology_map[i] = -1; 688 689 scan_core_topology(topology_map, &t); 690 691 return 0; 692 693 exit: 694 free(t.sib_core); 695 free(t.sib_thr); 696 697 return -1; 698 } 699