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