tools/perf/util/svghelper.c

   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 "util.h"
  25 #include "cpumap.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
  34 int svg_page_width = 1000;
  35 u64 svg_highlight;
  36 const char *svg_highlight_name;
  37
  38 #define MIN_TEXT_SIZE 0.01
  39
  40 static u64 total_height;
  41 static FILE *svgfile;
  42
  43 static double cpu2slot(int cpu)
  44 {
  45         return 2 * cpu + 1;
  46 }
  47
  48 static int *topology_map;
  49
  50 static double cpu2y(int cpu)
  51 {
  52         if (topology_map)
  53                 return cpu2slot(topology_map[cpu]) * SLOT_MULT;
  54         else
  55                 return cpu2slot(cpu) * SLOT_MULT;
  56 }
  57
  58 static double time2pixels(u64 __time)
  59 {
  60         double X;
  61
  62         X = 1.0 * svg_page_width * (__time - first_time) / (last_time - first_time);
  63         return X;
  64 }
  65
  66 /*
  67  * Round text sizes so that the svg viewer only needs a discrete
  68  * number of renderings of the font
  69  */
  70 static double round_text_size(double size)
  71 {
  72         int loop = 100;
  73         double target = 10.0;
  74
  75         if (size >= 10.0)
  76                 return size;
  77         while (loop--) {
  78                 if (size >= target)
  79                         return target;
  80                 target = target / 2.0;
  81         }
  82         return size;
  83 }
  84
  85 void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end)
  86 {
  87         int new_width;
  88
  89         svgfile = fopen(filename, "w");
  90         if (!svgfile) {
  91                 fprintf(stderr, "Cannot open %s for output\n", filename);
  92                 return;
  93         }
  94         first_time = start;
  95         first_time = first_time / 100000000 * 100000000;
  96         last_time = end;
  97
  98         /*
  99          * if the recording is short, we default to a width of 1000, but
 100          * for longer recordings we want at least 200 units of width per second
 101          */
 102         new_width = (last_time - first_time) / 5000000;
 103
 104         if (new_width > svg_page_width)
 105                 svg_page_width = new_width;
 106
 107         total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT;
 108         fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n");
 109         fprintf(svgfile, "<!DOCTYPE svg SYSTEM \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
 110         fprintf(svgfile, "<svg width=\"%i\" height=\"%" PRIu64 "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height);
 111
 112         fprintf(svgfile, "<defs>\n  <style type=\"text/css\">\n    <![CDATA[\n");
 113
 114         fprintf(svgfile, "      rect          { stroke-width: 1; }\n");
 115         fprintf(svgfile, "      rect.process  { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1;   stroke:rgb(  0,  0,  0); } \n");
 116         fprintf(svgfile, "      rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 117         fprintf(svgfile, "      rect.sample   { fill:rgb(  0,  0,255); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 118         fprintf(svgfile, "      rect.sample_hi{ fill:rgb(255,128,  0); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 119         fprintf(svgfile, "      rect.blocked  { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 120         fprintf(svgfile, "      rect.waiting  { fill:rgb(224,214,  0); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 121         fprintf(svgfile, "      rect.WAITING  { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 122         fprintf(svgfile, "      rect.cpu      { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n");
 123         fprintf(svgfile, "      rect.pstate   { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n");
 124         fprintf(svgfile, "      rect.c1       { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n");
 125         fprintf(svgfile, "      rect.c2       { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n");
 126         fprintf(svgfile, "      rect.c3       { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n");
 127         fprintf(svgfile, "      rect.c4       { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n");
 128         fprintf(svgfile, "      rect.c5       { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n");
 129         fprintf(svgfile, "      rect.c6       { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0; } \n");
 130         fprintf(svgfile, "      line.pstate   { stroke:rgb(255,255,  0); stroke-opacity:0.8; stroke-width:2; } \n");
 131
 132         fprintf(svgfile, "    ]]>\n   </style>\n</defs>\n");
 133 }
 134
 135 void svg_box(int Yslot, u64 start, u64 end, const char *type)
 136 {
 137         if (!svgfile)
 138                 return;
 139
 140         fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n",
 141                 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);
 142 }
 143
 144 static char *time_to_string(u64 duration);
 145 void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
 146 {
 147         if (!svgfile)
 148                 return;
 149
 150         fprintf(svgfile, "<g>\n");
 151         fprintf(svgfile, "<title>#%d blocked %s</title>\n", cpu,
 152                 time_to_string(end - start));
 153         if (backtrace)
 154                 fprintf(svgfile, "<desc>Blocked on:\n%s</desc>\n", backtrace);
 155         svg_box(Yslot, start, end, "blocked");
 156         fprintf(svgfile, "</g>\n");
 157 }
 158
 159 void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
 160 {
 161         double text_size;
 162         const char *type;
 163
 164         if (!svgfile)
 165                 return;
 166
 167         if (svg_highlight && end - start > svg_highlight)
 168                 type = "sample_hi";
 169         else
 170                 type = "sample";
 171         fprintf(svgfile, "<g>\n");
 172
 173         fprintf(svgfile, "<title>#%d running %s</title>\n",
 174                 cpu, time_to_string(end - start));
 175         if (backtrace)
 176                 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
 177         fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n",
 178                 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT,
 179                 type);
 180
 181         text_size = (time2pixels(end)-time2pixels(start));
 182         if (cpu > 9)
 183                 text_size = text_size/2;
 184         if (text_size > 1.25)
 185                 text_size = 1.25;
 186         text_size = round_text_size(text_size);
 187
 188         if (text_size > MIN_TEXT_SIZE)
 189                 fprintf(svgfile, "<text x=\"%1.8f\" y=\"%1.8f\" font-size=\"%1.8fpt\">%i</text>\n",
 190                         time2pixels(start), Yslot *  SLOT_MULT + SLOT_HEIGHT - 1, text_size,  cpu + 1);
 191
 192         fprintf(svgfile, "</g>\n");
 193 }
 194
 195 static char *time_to_string(u64 duration)
 196 {
 197         static char text[80];
 198
 199         text[0] = 0;
 200
 201         if (duration < 1000) /* less than 1 usec */
 202                 return text;
 203
 204         if (duration < 1000 * 1000) { /* less than 1 msec */
 205                 sprintf(text, "%4.1f us", duration / 1000.0);
 206                 return text;
 207         }
 208         sprintf(text, "%4.1f ms", duration / 1000.0 / 1000);
 209
 210         return text;
 211 }
 212
 213 void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
 214 {
 215         char *text;
 216         const char *style;
 217         double font_size;
 218
 219         if (!svgfile)
 220                 return;
 221
 222         style = "waiting";
 223
 224         if (end-start > 10 * 1000000) /* 10 msec */
 225                 style = "WAITING";
 226
 227         text = time_to_string(end-start);
 228
 229         font_size = 1.0 * (time2pixels(end)-time2pixels(start));
 230
 231         if (font_size > 3)
 232                 font_size = 3;
 233
 234         font_size = round_text_size(font_size);
 235
 236         fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT);
 237         fprintf(svgfile, "<title>#%d waiting %s</title>\n", cpu, time_to_string(end - start));
 238         if (backtrace)
 239                 fprintf(svgfile, "<desc>Waiting on:\n%s</desc>\n", backtrace);
 240         fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
 241                 time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style);
 242         if (font_size > MIN_TEXT_SIZE)
 243                 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%1.8fpt\"> %s</text>\n",
 244                         font_size, text);
 245         fprintf(svgfile, "</g>\n");
 246 }
 247
 248 static char *cpu_model(void)
 249 {
 250         static char cpu_m[255];
 251         char buf[256];
 252         FILE *file;
 253
 254         cpu_m[0] = 0;
 255         /* CPU type */
 256         file = fopen("/proc/cpuinfo", "r");
 257         if (file) {
 258                 while (fgets(buf, 255, file)) {
 259                         if (strstr(buf, "model name")) {
 260                                 strncpy(cpu_m, &buf[13], 255);
 261                                 break;
 262                         }
 263                 }
 264                 fclose(file);
 265         }
 266
 267         /* CPU type */
 268         file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r");
 269         if (file) {
 270                 while (fgets(buf, 255, file)) {
 271                         unsigned int freq;
 272                         freq = strtoull(buf, NULL, 10);
 273                         if (freq > max_freq)
 274                                 max_freq = freq;
 275                 }
 276                 fclose(file);
 277         }
 278         return cpu_m;
 279 }
 280
 281 void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)
 282 {
 283         char cpu_string[80];
 284         if (!svgfile)
 285                 return;
 286
 287         max_freq = __max_freq;
 288         turbo_frequency = __turbo_freq;
 289
 290         fprintf(svgfile, "<g>\n");
 291
 292         fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"cpu\"/>\n",
 293                 time2pixels(first_time),
 294                 time2pixels(last_time)-time2pixels(first_time),
 295                 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
 296
 297         sprintf(cpu_string, "CPU %i", (int)cpu);
 298         fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n",
 299                 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
 300
 301         fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\" font-size=\"1.25pt\">%s</text>\n",
 302                 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
 303
 304         fprintf(svgfile, "</g>\n");
 305 }
 306
 307 void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace)
 308 {
 309         double width;
 310         const char *type;
 311
 312         if (!svgfile)
 313                 return;
 314
 315         if (svg_highlight && end - start >= svg_highlight)
 316                 type = "sample_hi";
 317         else if (svg_highlight_name && strstr(name, svg_highlight_name))
 318                 type = "sample_hi";
 319         else
 320                 type = "sample";
 321
 322         fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), cpu2y(cpu));
 323         fprintf(svgfile, "<title>%d %s running %s</title>\n", pid, name, time_to_string(end - start));
 324         if (backtrace)
 325                 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
 326         fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
 327                 time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type);
 328         width = time2pixels(end)-time2pixels(start);
 329         if (width > 6)
 330                 width = 6;
 331
 332         width = round_text_size(width);
 333
 334         if (width > MIN_TEXT_SIZE)
 335                 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%3.8fpt\">%s</text>\n",
 336                         width, name);
 337
 338         fprintf(svgfile, "</g>\n");
 339 }
 340
 341 void svg_cstate(int cpu, u64 start, u64 end, int type)
 342 {
 343         double width;
 344         char style[128];
 345
 346         if (!svgfile)
 347                 return;
 348
 349
 350         fprintf(svgfile, "<g>\n");
 351
 352         if (type > 6)
 353                 type = 6;
 354         sprintf(style, "c%i", type);
 355
 356         fprintf(svgfile, "<rect class=\"%s\" x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\"/>\n",
 357                 style,
 358                 time2pixels(start), time2pixels(end)-time2pixels(start),
 359                 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
 360
 361         width = (time2pixels(end)-time2pixels(start))/2.0;
 362         if (width > 6)
 363                 width = 6;
 364
 365         width = round_text_size(width);
 366
 367         if (width > MIN_TEXT_SIZE)
 368                 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"%3.8fpt\">C%i</text>\n",
 369                         time2pixels(start), cpu2y(cpu)+width, width, type);
 370
 371         fprintf(svgfile, "</g>\n");
 372 }
 373
 374 static char *HzToHuman(unsigned long hz)
 375 {
 376         static char buffer[1024];
 377         unsigned long long Hz;
 378
 379         memset(buffer, 0, 1024);
 380
 381         Hz = hz;
 382
 383         /* default: just put the Number in */
 384         sprintf(buffer, "%9lli", Hz);
 385
 386         if (Hz > 1000)
 387                 sprintf(buffer, " %6lli Mhz", (Hz+500)/1000);
 388
 389         if (Hz > 1500000)
 390                 sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000);
 391
 392         if (Hz == turbo_frequency)
 393                 sprintf(buffer, "Turbo");
 394
 395         return buffer;
 396 }
 397
 398 void svg_pstate(int cpu, u64 start, u64 end, u64 freq)
 399 {
 400         double height = 0;
 401
 402         if (!svgfile)
 403                 return;
 404
 405         fprintf(svgfile, "<g>\n");
 406
 407         if (max_freq)
 408                 height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT);
 409         height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height;
 410         fprintf(svgfile, "<line x1=\"%4.8f\" x2=\"%4.8f\" y1=\"%4.1f\" y2=\"%4.1f\" class=\"pstate\"/>\n",
 411                 time2pixels(start), time2pixels(end), height, height);
 412         fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"0.25pt\">%s</text>\n",
 413                 time2pixels(start), height+0.9, HzToHuman(freq));
 414
 415         fprintf(svgfile, "</g>\n");
 416 }
 417
 418
 419 void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace)
 420 {
 421         double height;
 422
 423         if (!svgfile)
 424                 return;
 425
 426
 427         fprintf(svgfile, "<g>\n");
 428
 429         fprintf(svgfile, "<title>%s wakes up %s</title>\n",
 430                 desc1 ? desc1 : "?",
 431                 desc2 ? desc2 : "?");
 432
 433         if (backtrace)
 434                 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
 435
 436         if (row1 < row2) {
 437                 if (row1) {
 438                         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",
 439                                 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
 440                         if (desc2)
 441                                 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
 442                                         time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2);
 443                 }
 444                 if (row2) {
 445                         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",
 446                                 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32,  time2pixels(start), row2 * SLOT_MULT);
 447                         if (desc1)
 448                                 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
 449                                         time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1);
 450                 }
 451         } else {
 452                 if (row2) {
 453                         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",
 454                                 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
 455                         if (desc1)
 456                                 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
 457                                         time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1);
 458                 }
 459                 if (row1) {
 460                         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",
 461                                 time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32,  time2pixels(start), row1 * SLOT_MULT);
 462                         if (desc2)
 463                                 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
 464                                         time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2);
 465                 }
 466         }
 467         height = row1 * SLOT_MULT;
 468         if (row2 > row1)
 469                 height += SLOT_HEIGHT;
 470         if (row1)
 471                 fprintf(svgfile, "<circle  cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\"  style=\"fill:rgb(32,255,32)\"/>\n",
 472                         time2pixels(start), height);
 473
 474         fprintf(svgfile, "</g>\n");
 475 }
 476
 477 void svg_wakeline(u64 start, int row1, int row2, const char *backtrace)
 478 {
 479         double height;
 480
 481         if (!svgfile)
 482                 return;
 483
 484
 485         fprintf(svgfile, "<g>\n");
 486
 487         if (backtrace)
 488                 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
 489
 490         if (row1 < row2)
 491                 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",
 492                         time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row2 * SLOT_MULT);
 493         else
 494                 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",
 495                         time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row1 * SLOT_MULT);
 496
 497         height = row1 * SLOT_MULT;
 498         if (row2 > row1)
 499                 height += SLOT_HEIGHT;
 500         fprintf(svgfile, "<circle  cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\"  style=\"fill:rgb(32,255,32)\"/>\n",
 501                         time2pixels(start), height);
 502
 503         fprintf(svgfile, "</g>\n");
 504 }
 505
 506 void svg_interrupt(u64 start, int row, const char *backtrace)
 507 {
 508         if (!svgfile)
 509                 return;
 510
 511         fprintf(svgfile, "<g>\n");
 512
 513         fprintf(svgfile, "<title>Wakeup from interrupt</title>\n");
 514
 515         if (backtrace)
 516                 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
 517
 518         fprintf(svgfile, "<circle  cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\"  style=\"fill:rgb(255,128,128)\"/>\n",
 519                         time2pixels(start), row * SLOT_MULT);
 520         fprintf(svgfile, "<circle  cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\"  style=\"fill:rgb(255,128,128)\"/>\n",
 521                         time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT);
 522
 523         fprintf(svgfile, "</g>\n");
 524 }
 525
 526 void svg_text(int Yslot, u64 start, const char *text)
 527 {
 528         if (!svgfile)
 529                 return;
 530
 531         fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n",
 532                 time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text);
 533 }
 534
 535 static void svg_legenda_box(int X, const char *text, const char *style)
 536 {
 537         double boxsize;
 538         boxsize = SLOT_HEIGHT / 2;
 539
 540         fprintf(svgfile, "<rect x=\"%i\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
 541                 X, boxsize, boxsize, style);
 542         fprintf(svgfile, "<text transform=\"translate(%4.8f, %4.8f)\" font-size=\"%4.8fpt\">%s</text>\n",
 543                 X + boxsize + 5, boxsize, 0.8 * boxsize, text);
 544 }
 545
 546 void svg_legenda(void)
 547 {
 548         if (!svgfile)
 549                 return;
 550
 551         fprintf(svgfile, "<g>\n");
 552         svg_legenda_box(0,      "Running", "sample");
 553         svg_legenda_box(100,    "Idle","c1");
 554         svg_legenda_box(200,    "Deeper Idle", "c3");
 555         svg_legenda_box(350,    "Deepest Idle", "c6");
 556         svg_legenda_box(550,    "Sleeping", "process2");
 557         svg_legenda_box(650,    "Waiting for cpu", "waiting");
 558         svg_legenda_box(800,    "Blocked on IO", "blocked");
 559         fprintf(svgfile, "</g>\n");
 560 }
 561
 562 void svg_time_grid(void)
 563 {
 564         u64 i;
 565
 566         if (!svgfile)
 567                 return;
 568
 569         i = first_time;
 570         while (i < last_time) {
 571                 int color = 220;
 572                 double thickness = 0.075;
 573                 if ((i % 100000000) == 0) {
 574                         thickness = 0.5;
 575                         color = 192;
 576                 }
 577                 if ((i % 1000000000) == 0) {
 578                         thickness = 2.0;
 579                         color = 128;
 580                 }
 581
 582                 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",
 583                         time2pixels(i), SLOT_MULT/2, time2pixels(i), total_height, color, color, color, thickness);
 584
 585                 i += 10000000;
 586         }
 587 }
 588
 589 void svg_close(void)
 590 {
 591         if (svgfile) {
 592                 fprintf(svgfile, "</svg>\n");
 593                 fclose(svgfile);
 594                 svgfile = NULL;
 595         }
 596 }
 597
 598 #define cpumask_bits(maskp) ((maskp)->bits)
 599 typedef struct { DECLARE_BITMAP(bits, MAX_NR_CPUS); } cpumask_t;
 600
 601 struct topology {
 602         cpumask_t *sib_core;
 603         int sib_core_nr;
 604         cpumask_t *sib_thr;
 605         int sib_thr_nr;
 606 };
 607
 608 static void scan_thread_topology(int *map, struct topology *t, int cpu, int *pos)
 609 {
 610         int i;
 611         int thr;
 612
 613         for (i = 0; i < t->sib_thr_nr; i++) {
 614                 if (!test_bit(cpu, cpumask_bits(&t->sib_thr[i])))
 615                         continue;
 616
 617                 for_each_set_bit(thr,
 618                                  cpumask_bits(&t->sib_thr[i]),
 619                                  MAX_NR_CPUS)
 620                         if (map[thr] == -1)
 621                                 map[thr] = (*pos)++;
 622         }
 623 }
 624
 625 static void scan_core_topology(int *map, struct topology *t)
 626 {
 627         int pos = 0;
 628         int i;
 629         int cpu;
 630
 631         for (i = 0; i < t->sib_core_nr; i++)
 632                 for_each_set_bit(cpu,
 633                                  cpumask_bits(&t->sib_core[i]),
 634                                  MAX_NR_CPUS)
 635                         scan_thread_topology(map, t, cpu, &pos);
 636 }
 637
 638 static int str_to_bitmap(char *s, cpumask_t *b)
 639 {
 640         int i;
 641         int ret = 0;
 642         struct cpu_map *m;
 643         int c;
 644
 645         m = cpu_map__new(s);
 646         if (!m)
 647                 return -1;
 648
 649         for (i = 0; i < m->nr; i++) {
 650                 c = m->map[i];
 651                 if (c >= MAX_NR_CPUS) {
 652                         ret = -1;
 653                         break;
 654                 }
 655
 656                 set_bit(c, cpumask_bits(b));
 657         }
 658
 659         cpu_map__delete(m);
 660
 661         return ret;
 662 }
 663
 664 int svg_build_topology_map(char *sib_core, int sib_core_nr,
 665                            char *sib_thr, int sib_thr_nr)
 666 {
 667         int i;
 668         struct topology t;
 669
 670         t.sib_core_nr = sib_core_nr;
 671         t.sib_thr_nr = sib_thr_nr;
 672         t.sib_core = calloc(sib_core_nr, sizeof(cpumask_t));
 673         t.sib_thr = calloc(sib_thr_nr, sizeof(cpumask_t));
 674
 675         if (!t.sib_core || !t.sib_thr) {
 676                 fprintf(stderr, "topology: no memory\n");
 677                 goto exit;
 678         }
 679
 680         for (i = 0; i < sib_core_nr; i++) {
 681                 if (str_to_bitmap(sib_core, &t.sib_core[i])) {
 682                         fprintf(stderr, "topology: can't parse siblings map\n");
 683                         goto exit;
 684                 }
 685
 686                 sib_core += strlen(sib_core) + 1;
 687         }
 688
 689         for (i = 0; i < sib_thr_nr; i++) {
 690                 if (str_to_bitmap(sib_thr, &t.sib_thr[i])) {
 691                         fprintf(stderr, "topology: can't parse siblings map\n");
 692                         goto exit;
 693                 }
 694
 695                 sib_thr += strlen(sib_thr) + 1;
 696         }
 697
 698         topology_map = malloc(sizeof(int) * MAX_NR_CPUS);
 699         if (!topology_map) {
 700                 fprintf(stderr, "topology: no memory\n");
 701                 goto exit;
 702         }
 703
 704         for (i = 0; i < MAX_NR_CPUS; i++)
 705                 topology_map[i] = -1;
 706
 707         scan_core_topology(topology_map, &t);
 708
 709         return 0;
 710
 711 exit:
 712         zfree(&t.sib_core);
 713         zfree(&t.sib_thr);
 714
 715         return -1;
 716 }