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/bitmap.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 #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 < 1000) /* less than 1 usec */
 278                 return text;
 279
 280         if (duration < 1000 * 1000) { /* less than 1 msec */
 281                 sprintf(text, "%.1f us", duration / 1000.0);
 282                 return text;
 283         }
 284         sprintf(text, "%.1f ms", duration / 1000.0 / 1000);
 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 * 1000000) /* 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 (strstr(buf, "model name")) {
 336                                 strncpy(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 &gt;</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 &gt;</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 &lt;</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 &lt;</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, int *pos)
 701 {
 702         int i;
 703         int thr;
 704
 705         for (i = 0; i < t->sib_thr_nr; i++) {
 706                 if (!test_bit(cpu, cpumask_bits(&t->sib_thr[i])))
 707                         continue;
 708
 709                 for_each_set_bit(thr,
 710                                  cpumask_bits(&t->sib_thr[i]),
 711                                  MAX_NR_CPUS)
 712                         if (map[thr] == -1)
 713                                 map[thr] = (*pos)++;
 714         }
 715 }
 716
 717 static void scan_core_topology(int *map, struct topology *t)
 718 {
 719         int pos = 0;
 720         int i;
 721         int cpu;
 722
 723         for (i = 0; i < t->sib_core_nr; i++)
 724                 for_each_set_bit(cpu,
 725                                  cpumask_bits(&t->sib_core[i]),
 726                                  MAX_NR_CPUS)
 727                         scan_thread_topology(map, t, cpu, &pos);
 728 }
 729
 730 static int str_to_bitmap(char *s, cpumask_t *b)
 731 {
 732         int i;
 733         int ret = 0;
 734         struct cpu_map *m;
 735         int c;
 736
 737         m = cpu_map__new(s);
 738         if (!m)
 739                 return -1;
 740
 741         for (i = 0; i < m->nr; i++) {
 742                 c = m->map[i];
 743                 if (c >= MAX_NR_CPUS) {
 744                         ret = -1;
 745                         break;
 746                 }
 747
 748                 set_bit(c, cpumask_bits(b));
 749         }
 750
 751         cpu_map__put(m);
 752
 753         return ret;
 754 }
 755
 756 int svg_build_topology_map(char *sib_core, int sib_core_nr,
 757                            char *sib_thr, int sib_thr_nr)
 758 {
 759         int i;
 760         struct topology t;
 761
 762         t.sib_core_nr = sib_core_nr;
 763         t.sib_thr_nr = sib_thr_nr;
 764         t.sib_core = calloc(sib_core_nr, sizeof(cpumask_t));
 765         t.sib_thr = calloc(sib_thr_nr, sizeof(cpumask_t));
 766
 767         if (!t.sib_core || !t.sib_thr) {
 768                 fprintf(stderr, "topology: no memory\n");
 769                 goto exit;
 770         }
 771
 772         for (i = 0; i < sib_core_nr; i++) {
 773                 if (str_to_bitmap(sib_core, &t.sib_core[i])) {
 774                         fprintf(stderr, "topology: can't parse siblings map\n");
 775                         goto exit;
 776                 }
 777
 778                 sib_core += strlen(sib_core) + 1;
 779         }
 780
 781         for (i = 0; i < sib_thr_nr; i++) {
 782                 if (str_to_bitmap(sib_thr, &t.sib_thr[i])) {
 783                         fprintf(stderr, "topology: can't parse siblings map\n");
 784                         goto exit;
 785                 }
 786
 787                 sib_thr += strlen(sib_thr) + 1;
 788         }
 789
 790         topology_map = malloc(sizeof(int) * MAX_NR_CPUS);
 791         if (!topology_map) {
 792                 fprintf(stderr, "topology: no memory\n");
 793                 goto exit;
 794         }
 795
 796         for (i = 0; i < MAX_NR_CPUS; i++)
 797                 topology_map[i] = -1;
 798
 799         scan_core_topology(topology_map, &t);
 800
 801         return 0;
 802
 803 exit:
 804         zfree(&t.sib_core);
 805         zfree(&t.sib_thr);
 806
 807         return -1;
 808 }