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 22 static u64 first_time, last_time; 23 static u64 turbo_frequency, max_freq; 24 25 26 #define SLOT_MULT 30.0 27 #define SLOT_HEIGHT 25.0 28 29 int svg_page_width = 1000; 30 31 #define MIN_TEXT_SIZE 0.001 32 33 static u64 total_height; 34 static FILE *svgfile; 35 36 static double cpu2slot(int cpu) 37 { 38 return 2 * cpu + 1; 39 } 40 41 static double cpu2y(int cpu) 42 { 43 return cpu2slot(cpu) * SLOT_MULT; 44 } 45 46 static 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 */ 58 static 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 73 void 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(214,214, 0); fill-opacity:0.3; 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 } 120 121 void 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 } 129 130 void 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 } 151 152 static 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 } 169 170 void 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 } 201 202 static 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 return cpu_m; 221 } 222 223 void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq) 224 { 225 char cpu_string[80]; 226 if (!svgfile) 227 return; 228 229 max_freq = __max_freq; 230 turbo_frequency = __turbo_freq; 231 232 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"cpu\"/>\n", 233 time2pixels(first_time), 234 time2pixels(last_time)-time2pixels(first_time), 235 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT); 236 237 sprintf(cpu_string, "CPU %i", (int)cpu+1); 238 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n", 239 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string); 240 241 fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\" font-size=\"1.25pt\">%s</text>\n", 242 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model()); 243 } 244 245 void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name) 246 { 247 double width; 248 249 if (!svgfile) 250 return; 251 252 253 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), cpu2y(cpu)); 254 fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n", 255 time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type); 256 width = time2pixels(end)-time2pixels(start); 257 if (width > 6) 258 width = 6; 259 260 width = round_text_size(width); 261 262 if (width > MIN_TEXT_SIZE) 263 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%3.8fpt\">%s</text>\n", 264 width, name); 265 266 fprintf(svgfile, "</g>\n"); 267 } 268 269 void svg_cstate(int cpu, u64 start, u64 end, int type) 270 { 271 double width; 272 char style[128]; 273 274 if (!svgfile) 275 return; 276 277 278 if (type > 6) 279 type = 6; 280 sprintf(style, "c%i", type); 281 282 fprintf(svgfile, "<rect class=\"%s\" x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\"/>\n", 283 style, 284 time2pixels(start), time2pixels(end)-time2pixels(start), 285 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT); 286 287 width = (time2pixels(end)-time2pixels(start))/2.0; 288 if (width > 6) 289 width = 6; 290 291 width = round_text_size(width); 292 293 if (width > MIN_TEXT_SIZE) 294 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"%3.8fpt\">C%i</text>\n", 295 time2pixels(start), cpu2y(cpu)+width, width, type); 296 } 297 298 static char *HzToHuman(unsigned long hz) 299 { 300 static char buffer[1024]; 301 unsigned long long Hz; 302 303 memset(buffer, 0, 1024); 304 305 Hz = hz; 306 307 /* default: just put the Number in */ 308 sprintf(buffer, "%9lli", Hz); 309 310 if (Hz > 1000) 311 sprintf(buffer, " %6lli Mhz", (Hz+500)/1000); 312 313 if (Hz > 1500000) 314 sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000); 315 316 if (Hz == turbo_frequency) 317 sprintf(buffer, "Turbo"); 318 319 return buffer; 320 } 321 322 void svg_pstate(int cpu, u64 start, u64 end, u64 freq) 323 { 324 double height = 0; 325 326 if (!svgfile) 327 return; 328 329 if (max_freq) 330 height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT); 331 height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height; 332 fprintf(svgfile, "<line x1=\"%4.8f\" x2=\"%4.8f\" y1=\"%4.1f\" y2=\"%4.1f\" class=\"pstate\"/>\n", 333 time2pixels(start), time2pixels(end), height, height); 334 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"0.25pt\">%s</text>\n", 335 time2pixels(start), height+0.9, HzToHuman(freq)); 336 337 } 338 339 340 void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2) 341 { 342 double height; 343 344 if (!svgfile) 345 return; 346 347 348 if (row1 < row2) { 349 if (row1) { 350 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", 351 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32); 352 if (desc2) 353 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n", 354 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2); 355 } 356 if (row2) { 357 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", 358 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row2 * SLOT_MULT); 359 if (desc1) 360 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n", 361 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1); 362 } 363 } else { 364 if (row2) { 365 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", 366 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32); 367 if (desc1) 368 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n", 369 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1); 370 } 371 if (row1) { 372 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", 373 time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row1 * SLOT_MULT); 374 if (desc2) 375 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n", 376 time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2); 377 } 378 } 379 height = row1 * SLOT_MULT; 380 if (row2 > row1) 381 height += SLOT_HEIGHT; 382 if (row1) 383 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n", 384 time2pixels(start), height); 385 } 386 387 void svg_wakeline(u64 start, int row1, int row2) 388 { 389 double height; 390 391 if (!svgfile) 392 return; 393 394 395 if (row1 < row2) 396 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", 397 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT); 398 else 399 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", 400 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT); 401 402 height = row1 * SLOT_MULT; 403 if (row2 > row1) 404 height += SLOT_HEIGHT; 405 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n", 406 time2pixels(start), height); 407 } 408 409 void svg_interrupt(u64 start, int row) 410 { 411 if (!svgfile) 412 return; 413 414 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n", 415 time2pixels(start), row * SLOT_MULT); 416 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n", 417 time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT); 418 } 419 420 void svg_text(int Yslot, u64 start, const char *text) 421 { 422 if (!svgfile) 423 return; 424 425 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n", 426 time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text); 427 } 428 429 static void svg_legenda_box(int X, const char *text, const char *style) 430 { 431 double boxsize; 432 boxsize = SLOT_HEIGHT / 2; 433 434 fprintf(svgfile, "<rect x=\"%i\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n", 435 X, boxsize, boxsize, style); 436 fprintf(svgfile, "<text transform=\"translate(%4.8f, %4.8f)\" font-size=\"%4.8fpt\">%s</text>\n", 437 X + boxsize + 5, boxsize, 0.8 * boxsize, text); 438 } 439 440 void svg_legenda(void) 441 { 442 if (!svgfile) 443 return; 444 445 svg_legenda_box(0, "Running", "sample"); 446 svg_legenda_box(100, "Idle","rect.c1"); 447 svg_legenda_box(200, "Deeper Idle", "rect.c3"); 448 svg_legenda_box(350, "Deepest Idle", "rect.c6"); 449 svg_legenda_box(550, "Sleeping", "process2"); 450 svg_legenda_box(650, "Waiting for cpu", "waiting"); 451 svg_legenda_box(800, "Blocked on IO", "blocked"); 452 } 453 454 void svg_time_grid(void) 455 { 456 u64 i; 457 458 if (!svgfile) 459 return; 460 461 i = first_time; 462 while (i < last_time) { 463 int color = 220; 464 double thickness = 0.075; 465 if ((i % 100000000) == 0) { 466 thickness = 0.5; 467 color = 192; 468 } 469 if ((i % 1000000000) == 0) { 470 thickness = 2.0; 471 color = 128; 472 } 473 474 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", 475 time2pixels(i), SLOT_MULT/2, time2pixels(i), total_height, color, color, color, thickness); 476 477 i += 10000000; 478 } 479 } 480 481 void svg_close(void) 482 { 483 if (svgfile) { 484 fprintf(svgfile, "</svg>\n"); 485 fclose(svgfile); 486 svgfile = NULL; 487 } 488 } 489