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 <stdio.h> 16#include <stdlib.h> 17#include <unistd.h> 18#include <string.h> 19 20#include "svghelper.h" 21 22static u64 first_time, last_time; 23static u64 turbo_frequency, max_freq; 24 25 26#define SLOT_MULT 30.0 27#define SLOT_HEIGHT 25.0 28 29int svg_page_width = 1000; 30 31#define MIN_TEXT_SIZE 0.01 32 33static u64 total_height; 34static FILE *svgfile; 35 36static double cpu2slot(int cpu) 37{ 38 return 2 * cpu + 1; 39} 40 41static double cpu2y(int cpu) 42{ 43 return cpu2slot(cpu) * SLOT_MULT; 44} 45 46static double time2pixels(u64 time) 47{ 48 double X; 49 50 X = 1.0 * svg_page_width * (time - first_time) / (last_time - first_time); 51 return X; 52} 53 54/* 55 * Round text sizes so that the svg viewer only needs a discrete 56 * number of renderings of the font 57 */ 58static double round_text_size(double size) 59{ 60 int loop = 100; 61 double target = 10.0; 62 63 if (size >= 10.0) 64 return size; 65 while (loop--) { 66 if (size >= target) 67 return target; 68 target = target / 2.0; 69 } 70 return size; 71} 72 73void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end) 74{ 75 int new_width; 76 77 svgfile = fopen(filename, "w"); 78 if (!svgfile) { 79 fprintf(stderr, "Cannot open %s for output\n", filename); 80 return; 81 } 82 first_time = start; 83 first_time = first_time / 100000000 * 100000000; 84 last_time = end; 85 86 /* 87 * if the recording is short, we default to a width of 1000, but 88 * for longer recordings we want at least 200 units of width per second 89 */ 90 new_width = (last_time - first_time) / 5000000; 91 92 if (new_width > svg_page_width) 93 svg_page_width = new_width; 94 95 total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT; 96 fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n"); 97 fprintf(svgfile, "<svg width=\"%i\" height=\"%llu\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height); 98 99 fprintf(svgfile, "<defs>\n <style type=\"text/css\">\n <![CDATA[\n"); 100 101 fprintf(svgfile, " rect { stroke-width: 1; }\n"); 102 fprintf(svgfile, " rect.process { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1; stroke:rgb( 0, 0, 0); } \n"); 103 fprintf(svgfile, " rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 104 fprintf(svgfile, " rect.sample { fill:rgb( 0, 0,255); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 105 fprintf(svgfile, " rect.blocked { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 106 fprintf(svgfile, " rect.waiting { fill:rgb(224,214, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 107 fprintf(svgfile, " rect.WAITING { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); 108 fprintf(svgfile, " rect.cpu { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n"); 109 fprintf(svgfile, " rect.pstate { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n"); 110 fprintf(svgfile, " rect.c1 { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n"); 111 fprintf(svgfile, " rect.c2 { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n"); 112 fprintf(svgfile, " rect.c3 { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n"); 113 fprintf(svgfile, " rect.c4 { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n"); 114 fprintf(svgfile, " rect.c5 { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n"); 115 fprintf(svgfile, " rect.c6 { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; } \n"); 116 fprintf(svgfile, " line.pstate { stroke:rgb(255,255, 0); stroke-opacity:0.8; stroke-width:2; } \n"); 117 118 fprintf(svgfile, " ]]>\n </style>\n</defs>\n"); 119} 120 121void svg_box(int Yslot, u64 start, u64 end, const char *type) 122{ 123 if (!svgfile) 124 return; 125 126 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n", 127 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type); 128} 129 130void svg_sample(int Yslot, int cpu, u64 start, u64 end) 131{ 132 double text_size; 133 if (!svgfile) 134 return; 135 136 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"sample\"/>\n", 137 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT); 138 139 text_size = (time2pixels(end)-time2pixels(start)); 140 if (cpu > 9) 141 text_size = text_size/2; 142 if (text_size > 1.25) 143 text_size = 1.25; 144 text_size = round_text_size(text_size); 145 146 if (text_size > MIN_TEXT_SIZE) 147 fprintf(svgfile, "<text x=\"%1.8f\" y=\"%1.8f\" font-size=\"%1.8fpt\">%i</text>\n", 148 time2pixels(start), Yslot * SLOT_MULT + SLOT_HEIGHT - 1, text_size, cpu + 1); 149 150} 151 152static char *time_to_string(u64 duration) 153{ 154 static char text[80]; 155 156 text[0] = 0; 157 158 if (duration < 1000) /* less than 1 usec */ 159 return text; 160 161 if (duration < 1000 * 1000) { /* less than 1 msec */ 162 sprintf(text, "%4.1f us", duration / 1000.0); 163 return text; 164 } 165 sprintf(text, "%4.1f ms", duration / 1000.0 / 1000); 166 167 return text; 168} 169 170void svg_waiting(int Yslot, u64 start, u64 end) 171{ 172 char *text; 173 const char *style; 174 double font_size; 175 176 if (!svgfile) 177 return; 178 179 style = "waiting"; 180 181 if (end-start > 10 * 1000000) /* 10 msec */ 182 style = "WAITING"; 183 184 text = time_to_string(end-start); 185 186 font_size = 1.0 * (time2pixels(end)-time2pixels(start)); 187 188 if (font_size > 3) 189 font_size = 3; 190 191 font_size = round_text_size(font_size); 192 193 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT); 194 fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n", 195 time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style); 196 if (font_size > MIN_TEXT_SIZE) 197 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%1.8fpt\"> %s</text>\n", 198 font_size, text); 199 fprintf(svgfile, "</g>\n"); 200} 201 202static char *cpu_model(void) 203{ 204 static char cpu_m[255]; 205 char buf[256]; 206 FILE *file; 207 208 cpu_m[0] = 0; 209 /* CPU type */ 210 file = fopen("/proc/cpuinfo", "r"); 211 if (file) { 212 while (fgets(buf, 255, file)) { 213 if (strstr(buf, "model name")) { 214 strncpy(cpu_m, &buf[13], 255); 215 break; 216 } 217 } 218 fclose(file); 219 } 220 221 /* CPU type */ 222 file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r"); 223 if (file) { 224 while (fgets(buf, 255, file)) { 225 unsigned int freq; 226 freq = strtoull(buf, NULL, 10); 227 if (freq > max_freq) 228 max_freq = freq; 229 } 230 fclose(file); 231 } 232 return cpu_m; 233} 234 235void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq) 236{ 237 char cpu_string[80]; 238 if (!svgfile) 239 return; 240 241 max_freq = __max_freq; 242 turbo_frequency = __turbo_freq; 243 244 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"cpu\"/>\n", 245 time2pixels(first_time), 246 time2pixels(last_time)-time2pixels(first_time), 247 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT); 248 249 sprintf(cpu_string, "CPU %i", (int)cpu+1); 250 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n", 251 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string); 252 253 fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\" font-size=\"1.25pt\">%s</text>\n", 254 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model()); 255} 256 257void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name) 258{ 259 double width; 260 261 if (!svgfile) 262 return; 263 264 265 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), cpu2y(cpu)); 266 fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n", 267 time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type); 268 width = time2pixels(end)-time2pixels(start); 269 if (width > 6) 270 width = 6; 271 272 width = round_text_size(width); 273 274 if (width > MIN_TEXT_SIZE) 275 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%3.8fpt\">%s</text>\n", 276 width, name); 277 278 fprintf(svgfile, "</g>\n"); 279} 280 281void svg_cstate(int cpu, u64 start, u64 end, int type) 282{ 283 double width; 284 char style[128]; 285 286 if (!svgfile) 287 return; 288 289 290 if (type > 6) 291 type = 6; 292 sprintf(style, "c%i", type); 293 294 fprintf(svgfile, "<rect class=\"%s\" x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\"/>\n", 295 style, 296 time2pixels(start), time2pixels(end)-time2pixels(start), 297 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT); 298 299 width = (time2pixels(end)-time2pixels(start))/2.0; 300 if (width > 6) 301 width = 6; 302 303 width = round_text_size(width); 304 305 if (width > MIN_TEXT_SIZE) 306 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"%3.8fpt\">C%i</text>\n", 307 time2pixels(start), cpu2y(cpu)+width, width, type); 308} 309 310static char *HzToHuman(unsigned long hz) 311{ 312 static char buffer[1024]; 313 unsigned long long Hz; 314 315 memset(buffer, 0, 1024); 316 317 Hz = hz; 318 319 /* default: just put the Number in */ 320 sprintf(buffer, "%9lli", Hz); 321 322 if (Hz > 1000) 323 sprintf(buffer, " %6lli Mhz", (Hz+500)/1000); 324 325 if (Hz > 1500000) 326 sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000); 327 328 if (Hz == turbo_frequency) 329 sprintf(buffer, "Turbo"); 330 331 return buffer; 332} 333 334void svg_pstate(int cpu, u64 start, u64 end, u64 freq) 335{ 336 double height = 0; 337 338 if (!svgfile) 339 return; 340 341 if (max_freq) 342 height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT); 343 height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height; 344 fprintf(svgfile, "<line x1=\"%4.8f\" x2=\"%4.8f\" y1=\"%4.1f\" y2=\"%4.1f\" class=\"pstate\"/>\n", 345 time2pixels(start), time2pixels(end), height, height); 346 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"0.25pt\">%s</text>\n", 347 time2pixels(start), height+0.9, HzToHuman(freq)); 348 349} 350 351 352void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2) 353{ 354 double height; 355 356 if (!svgfile) 357 return; 358 359 360 if (row1 < row2) { 361 if (row1) { 362 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", 363 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32); 364 if (desc2) 365 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n", 366 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2); 367 } 368 if (row2) { 369 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", 370 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row2 * SLOT_MULT); 371 if (desc1) 372 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n", 373 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1); 374 } 375 } else { 376 if (row2) { 377 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", 378 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32); 379 if (desc1) 380 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n", 381 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1); 382 } 383 if (row1) { 384 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", 385 time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row1 * SLOT_MULT); 386 if (desc2) 387 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n", 388 time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2); 389 } 390 } 391 height = row1 * SLOT_MULT; 392 if (row2 > row1) 393 height += SLOT_HEIGHT; 394 if (row1) 395 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n", 396 time2pixels(start), height); 397} 398 399void svg_wakeline(u64 start, int row1, int row2) 400{ 401 double height; 402 403 if (!svgfile) 404 return; 405 406 407 if (row1 < row2) 408 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", 409 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT); 410 else 411 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", 412 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT); 413 414 height = row1 * SLOT_MULT; 415 if (row2 > row1) 416 height += SLOT_HEIGHT; 417 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n", 418 time2pixels(start), height); 419} 420 421void svg_interrupt(u64 start, int row) 422{ 423 if (!svgfile) 424 return; 425 426 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n", 427 time2pixels(start), row * SLOT_MULT); 428 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n", 429 time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT); 430} 431 432void svg_text(int Yslot, u64 start, const char *text) 433{ 434 if (!svgfile) 435 return; 436 437 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n", 438 time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text); 439} 440 441static void svg_legenda_box(int X, const char *text, const char *style) 442{ 443 double boxsize; 444 boxsize = SLOT_HEIGHT / 2; 445 446 fprintf(svgfile, "<rect x=\"%i\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n", 447 X, boxsize, boxsize, style); 448 fprintf(svgfile, "<text transform=\"translate(%4.8f, %4.8f)\" font-size=\"%4.8fpt\">%s</text>\n", 449 X + boxsize + 5, boxsize, 0.8 * boxsize, text); 450} 451 452void svg_legenda(void) 453{ 454 if (!svgfile) 455 return; 456 457 svg_legenda_box(0, "Running", "sample"); 458 svg_legenda_box(100, "Idle","rect.c1"); 459 svg_legenda_box(200, "Deeper Idle", "rect.c3"); 460 svg_legenda_box(350, "Deepest Idle", "rect.c6"); 461 svg_legenda_box(550, "Sleeping", "process2"); 462 svg_legenda_box(650, "Waiting for cpu", "waiting"); 463 svg_legenda_box(800, "Blocked on IO", "blocked"); 464} 465 466void svg_time_grid(void) 467{ 468 u64 i; 469 470 if (!svgfile) 471 return; 472 473 i = first_time; 474 while (i < last_time) { 475 int color = 220; 476 double thickness = 0.075; 477 if ((i % 100000000) == 0) { 478 thickness = 0.5; 479 color = 192; 480 } 481 if ((i % 1000000000) == 0) { 482 thickness = 2.0; 483 color = 128; 484 } 485 486 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%llu\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%1.3f\"/>\n", 487 time2pixels(i), SLOT_MULT/2, time2pixels(i), total_height, color, color, color, thickness); 488 489 i += 10000000; 490 } 491} 492 493void svg_close(void) 494{ 495 if (svgfile) { 496 fprintf(svgfile, "</svg>\n"); 497 fclose(svgfile); 498 svgfile = NULL; 499 } 500} 501