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 (at) 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 21 #include "svghelper.h" 22 23 static u64 first_time, last_time; 24 static u64 turbo_frequency, max_freq; 25 26 27 #define SLOT_MULT 30.0 28 #define SLOT_HEIGHT 25.0 29 30 int svg_page_width = 1000; 31 32 #define MIN_TEXT_SIZE 0.01 33 34 static u64 total_height; 35 static FILE *svgfile; 36 37 static double cpu2slot(int cpu) 38 { 39 return 2 * cpu + 1; 40 } 41 42 static double cpu2y(int cpu) 43 { 44 return cpu2slot(cpu) * SLOT_MULT; 45 } 46 47 static double time2pixels(u64 __time) 48 { 49 double X; 50 51 X = 1.0 * svg_page_width * (__time - first_time) / (last_time - first_time); 52 return X; 53 } 54 55 /* 56 * Round text sizes so that the svg viewer only needs a discrete 57 * number of renderings of the font 58 */ 59 static double round_text_size(double size) 60 { 61 int loop = 100; 62 double target = 10.0; 63 64 if (size >= 10.0) 65 return size; 66 while (loop--) { 67 if (size >= target) 68 return target; 69 target = target / 2.0; 70 } 71 return size; 72 } 73 74 void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end) 75 { 76 int new_width; 77 78 svgfile = fopen(filename, "w"); 79 if (!svgfile) { 80 fprintf(stderr, "Cannot open %s for output\n", filename); 81 return; 82 } 83 first_time = start; 84 first_time = first_time / 100000000 * 100000000; 85 last_time = end; 86 87 /* 88 * if the recording is short, we default to a width of 1000, but 89 * for longer recordings we want at least 200 units of width per second 90 */ 91 new_width = (last_time - first_time) / 5000000; 92 93 if (new_width > svg_page_width) 94 svg_page_width = new_width; 95 96 total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT; 97 fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n"); 98 fprintf(svgfile, "<svg width=\"%i\" height=\"%" PRIu64 "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height); 99 100 fprintf(svgfile, "<defs>\n <style type=\"text/css\">\n <![CDATA[\n"); 101 102 fprintf(svgfile, " rect { stroke-width: 1; }\n"); 103 fprintf(svgfile, " rect.process { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1; stroke:rgb( 0, 0, 0); } \n"); 104 fprintf(svgfile, " rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 105 fprintf(svgfile, " rect.sample { fill:rgb( 0, 0,255); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 106 fprintf(svgfile, " rect.blocked { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 107 fprintf(svgfile, " rect.waiting { fill:rgb(224,214, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 108 fprintf(svgfile, " rect.WAITING { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 109 fprintf(svgfile, " rect.cpu { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n"); 110 fprintf(svgfile, " rect.pstate { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n"); 111 fprintf(svgfile, " rect.c1 { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n"); 112 fprintf(svgfile, " rect.c2 { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n"); 113 fprintf(svgfile, " rect.c3 { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n"); 114 fprintf(svgfile, " rect.c4 { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n"); 115 fprintf(svgfile, " rect.c5 { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n"); 116 fprintf(svgfile, " rect.c6 { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; } \n"); 117 fprintf(svgfile, " line.pstate { stroke:rgb(255,255, 0); stroke-opacity:0.8; stroke-width:2; } \n"); 118 119 fprintf(svgfile, " ]]>\n </style>\n</defs>\n"); 120 } 121 122 void svg_box(int Yslot, u64 start, u64 end, const char *type) 123 { 124 if (!svgfile) 125 return; 126 127 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n", 128 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type); 129 } 130 131 void svg_sample(int Yslot, int cpu, u64 start, u64 end) 132 { 133 double text_size; 134 if (!svgfile) 135 return; 136 137 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"sample\"/>\n", 138 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT); 139 140 text_size = (time2pixels(end)-time2pixels(start)); 141 if (cpu > 9) 142 text_size = text_size/2; 143 if (text_size > 1.25) 144 text_size = 1.25; 145 text_size = round_text_size(text_size); 146 147 if (text_size > MIN_TEXT_SIZE) 148 fprintf(svgfile, "<text x=\"%1.8f\" y=\"%1.8f\" font-size=\"%1.8fpt\">%i</text>\n", 149 time2pixels(start), Yslot * SLOT_MULT + SLOT_HEIGHT - 1, text_size, cpu + 1); 150 151 } 152 153 static char *time_to_string(u64 duration) 154 { 155 static char text[80]; 156 157 text[0] = 0; 158 159 if (duration < 1000) /* less than 1 usec */ 160 return text; 161 162 if (duration < 1000 * 1000) { /* less than 1 msec */ 163 sprintf(text, "%4.1f us", duration / 1000.0); 164 return text; 165 } 166 sprintf(text, "%4.1f ms", duration / 1000.0 / 1000); 167 168 return text; 169 } 170 171 void svg_waiting(int Yslot, u64 start, u64 end) 172 { 173 char *text; 174 const char *style; 175 double font_size; 176 177 if (!svgfile) 178 return; 179 180 style = "waiting"; 181 182 if (end-start > 10 * 1000000) /* 10 msec */ 183 style = "WAITING"; 184 185 text = time_to_string(end-start); 186 187 font_size = 1.0 * (time2pixels(end)-time2pixels(start)); 188 189 if (font_size > 3) 190 font_size = 3; 191 192 font_size = round_text_size(font_size); 193 194 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT); 195 fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n", 196 time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style); 197 if (font_size > MIN_TEXT_SIZE) 198 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%1.8fpt\"> %s</text>\n", 199 font_size, text); 200 fprintf(svgfile, "</g>\n"); 201 } 202 203 static char *cpu_model(void) 204 { 205 static char cpu_m[255]; 206 char buf[256]; 207 FILE *file; 208 209 cpu_m[0] = 0; 210 /* CPU type */ 211 file = fopen("/proc/cpuinfo", "r"); 212 if (file) { 213 while (fgets(buf, 255, file)) { 214 if (strstr(buf, "model name")) { 215 strncpy(cpu_m, &buf[13], 255); 216 break; 217 } 218 } 219 fclose(file); 220 } 221 222 /* CPU type */ 223 file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r"); 224 if (file) { 225 while (fgets(buf, 255, file)) { 226 unsigned int freq; 227 freq = strtoull(buf, NULL, 10); 228 if (freq > max_freq) 229 max_freq = freq; 230 } 231 fclose(file); 232 } 233 return cpu_m; 234 } 235 236 void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq) 237 { 238 char cpu_string[80]; 239 if (!svgfile) 240 return; 241 242 max_freq = __max_freq; 243 turbo_frequency = __turbo_freq; 244 245 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"cpu\"/>\n", 246 time2pixels(first_time), 247 time2pixels(last_time)-time2pixels(first_time), 248 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT); 249 250 sprintf(cpu_string, "CPU %i", (int)cpu+1); 251 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n", 252 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string); 253 254 fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\" font-size=\"1.25pt\">%s</text>\n", 255 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model()); 256 } 257 258 void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name) 259 { 260 double width; 261 262 if (!svgfile) 263 return; 264 265 266 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), cpu2y(cpu)); 267 fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n", 268 time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type); 269 width = time2pixels(end)-time2pixels(start); 270 if (width > 6) 271 width = 6; 272 273 width = round_text_size(width); 274 275 if (width > MIN_TEXT_SIZE) 276 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%3.8fpt\">%s</text>\n", 277 width, name); 278 279 fprintf(svgfile, "</g>\n"); 280 } 281 282 void svg_cstate(int cpu, u64 start, u64 end, int type) 283 { 284 double width; 285 char style[128]; 286 287 if (!svgfile) 288 return; 289 290 291 if (type > 6) 292 type = 6; 293 sprintf(style, "c%i", type); 294 295 fprintf(svgfile, "<rect class=\"%s\" x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\"/>\n", 296 style, 297 time2pixels(start), time2pixels(end)-time2pixels(start), 298 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT); 299 300 width = (time2pixels(end)-time2pixels(start))/2.0; 301 if (width > 6) 302 width = 6; 303 304 width = round_text_size(width); 305 306 if (width > MIN_TEXT_SIZE) 307 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"%3.8fpt\">C%i</text>\n", 308 time2pixels(start), cpu2y(cpu)+width, width, type); 309 } 310 311 static char *HzToHuman(unsigned long hz) 312 { 313 static char buffer[1024]; 314 unsigned long long Hz; 315 316 memset(buffer, 0, 1024); 317 318 Hz = hz; 319 320 /* default: just put the Number in */ 321 sprintf(buffer, "%9lli", Hz); 322 323 if (Hz > 1000) 324 sprintf(buffer, " %6lli Mhz", (Hz+500)/1000); 325 326 if (Hz > 1500000) 327 sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000); 328 329 if (Hz == turbo_frequency) 330 sprintf(buffer, "Turbo"); 331 332 return buffer; 333 } 334 335 void svg_pstate(int cpu, u64 start, u64 end, u64 freq) 336 { 337 double height = 0; 338 339 if (!svgfile) 340 return; 341 342 if (max_freq) 343 height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT); 344 height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height; 345 fprintf(svgfile, "<line x1=\"%4.8f\" x2=\"%4.8f\" y1=\"%4.1f\" y2=\"%4.1f\" class=\"pstate\"/>\n", 346 time2pixels(start), time2pixels(end), height, height); 347 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"0.25pt\">%s</text>\n", 348 time2pixels(start), height+0.9, HzToHuman(freq)); 349 350 } 351 352 353 void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2) 354 { 355 double height; 356 357 if (!svgfile) 358 return; 359 360 361 if (row1 < row2) { 362 if (row1) { 363 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", 364 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32); 365 if (desc2) 366 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n", 367 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2); 368 } 369 if (row2) { 370 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", 371 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row2 * SLOT_MULT); 372 if (desc1) 373 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n", 374 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1); 375 } 376 } else { 377 if (row2) { 378 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", 379 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32); 380 if (desc1) 381 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n", 382 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1); 383 } 384 if (row1) { 385 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", 386 time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row1 * SLOT_MULT); 387 if (desc2) 388 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n", 389 time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2); 390 } 391 } 392 height = row1 * SLOT_MULT; 393 if (row2 > row1) 394 height += SLOT_HEIGHT; 395 if (row1) 396 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n", 397 time2pixels(start), height); 398 } 399 400 void svg_wakeline(u64 start, int row1, int row2) 401 { 402 double height; 403 404 if (!svgfile) 405 return; 406 407 408 if (row1 < row2) 409 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", 410 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT); 411 else 412 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", 413 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT); 414 415 height = row1 * SLOT_MULT; 416 if (row2 > row1) 417 height += SLOT_HEIGHT; 418 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n", 419 time2pixels(start), height); 420 } 421 422 void svg_interrupt(u64 start, int row) 423 { 424 if (!svgfile) 425 return; 426 427 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n", 428 time2pixels(start), row * SLOT_MULT); 429 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n", 430 time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT); 431 } 432 433 void svg_text(int Yslot, u64 start, const char *text) 434 { 435 if (!svgfile) 436 return; 437 438 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n", 439 time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text); 440 } 441 442 static void svg_legenda_box(int X, const char *text, const char *style) 443 { 444 double boxsize; 445 boxsize = SLOT_HEIGHT / 2; 446 447 fprintf(svgfile, "<rect x=\"%i\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n", 448 X, boxsize, boxsize, style); 449 fprintf(svgfile, "<text transform=\"translate(%4.8f, %4.8f)\" font-size=\"%4.8fpt\">%s</text>\n", 450 X + boxsize + 5, boxsize, 0.8 * boxsize, text); 451 } 452 453 void svg_legenda(void) 454 { 455 if (!svgfile) 456 return; 457 458 svg_legenda_box(0, "Running", "sample"); 459 svg_legenda_box(100, "Idle","c1"); 460 svg_legenda_box(200, "Deeper Idle", "c3"); 461 svg_legenda_box(350, "Deepest Idle", "c6"); 462 svg_legenda_box(550, "Sleeping", "process2"); 463 svg_legenda_box(650, "Waiting for cpu", "waiting"); 464 svg_legenda_box(800, "Blocked on IO", "blocked"); 465 } 466 467 void svg_time_grid(void) 468 { 469 u64 i; 470 471 if (!svgfile) 472 return; 473 474 i = first_time; 475 while (i < last_time) { 476 int color = 220; 477 double thickness = 0.075; 478 if ((i % 100000000) == 0) { 479 thickness = 0.5; 480 color = 192; 481 } 482 if ((i % 1000000000) == 0) { 483 thickness = 2.0; 484 color = 128; 485 } 486 487 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", 488 time2pixels(i), SLOT_MULT/2, time2pixels(i), total_height, color, color, color, thickness); 489 490 i += 10000000; 491 } 492 } 493 494 void svg_close(void) 495 { 496 if (svgfile) { 497 fprintf(svgfile, "</svg>\n"); 498 fclose(svgfile); 499 svgfile = NULL; 500 } 501 } 502
