tools/perf/util/svghelper.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * svghelper.c - helper functions for outputting svg
   4  *
   5  * (C) Copyright 2009 Intel Corporation
   6  *
   7  * Authors:
   8  *     Arjan van de Ven <arjan@linux.intel.com>
   9  */
  10
  11 #include <inttypes.h>
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <unistd.h>
  15 #include <string.h>
  16 #include <linux/bitmap.h>
  17 #include <linux/time64.h>
  18
  19 #include "perf.h"
  20 #include "svghelper.h"
  21 #include "util.h"
  22 #include "cpumap.h"
  23
  24 static u64 first_time, last_time;
  25 static u64 turbo_frequency, max_freq;
  26
  27
  28 #define SLOT_MULT 30.0
  29 #define SLOT_HEIGHT 25.0
  30 #define SLOT_HALF (SLOT_HEIGHT / 2)
  31
  32 int svg_page_width = 1000;
  33 u64 svg_highlight;
  34 const char *svg_highlight_name;
  35
  36 #define MIN_TEXT_SIZE 0.01
  37
  38 static u64 total_height;
  39 static FILE *svgfile;
  40
  41 static double cpu2slot(int cpu)
  42 {
  43         return 2 * cpu + 1;
  44 }
  45
  46 static int *topology_map;
  47
  48 static double cpu2y(int cpu)
  49 {
  50         if (topology_map)
  51                 return cpu2slot(topology_map[cpu]) * SLOT_MULT;
  52         else
  53                 return cpu2slot(cpu) * SLOT_MULT;
  54 }
  55
  56 static double time2pixels(u64 __time)
  57 {
  58         double X;
  59
  60         X = 1.0 * svg_page_width * (__time - first_time) / (last_time - first_time);
  61         return X;
  62 }
  63
  64 /*
  65  * Round text sizes so that the svg viewer only needs a discrete
  66  * number of renderings of the font
  67  */
  68 static double round_text_size(double size)
  69 {
  70         int loop = 100;
  71         double target = 10.0;
  72
  73         if (size >= 10.0)
  74                 return size;
  75         while (loop--) {
  76                 if (size >= target)
  77                         return target;
  78                 target = target / 2.0;
  79         }
  80         return size;
  81 }
  82
  83 void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end)
  84 {
  85         int new_width;
  86
  87         svgfile = fopen(filename, "w");
  88         if (!svgfile) {
  89                 fprintf(stderr, "Cannot open %s for output\n", filename);
  90                 return;
  91         }
  92         first_time = start;
  93         first_time = first_time / 100000000 * 100000000;
  94         last_time = end;
  95
  96         /*
  97          * if the recording is short, we default to a width of 1000, but
  98          * for longer recordings we want at least 200 units of width per second
  99          */
 100         new_width = (last_time - first_time) / 5000000;
 101
 102         if (new_width > svg_page_width)
 103                 svg_page_width = new_width;
 104
 105         total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT;
 106         fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n");
 107         fprintf(svgfile, "<!DOCTYPE svg SYSTEM \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
 108         fprintf(svgfile, "<svg width=\"%i\" height=\"%" PRIu64 "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height);
 109
 110         fprintf(svgfile, "<defs>\n  <style type=\"text/css\">\n    <![CDATA[\n");
 111
 112         fprintf(svgfile, "      rect          { stroke-width: 1; }\n");
 113         fprintf(svgfile, "      rect.process  { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1;   stroke:rgb(  0,  0,  0); } \n");
 114         fprintf(svgfile, "      rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 115         fprintf(svgfile, "      rect.process3 { fill:rgb(180,180,180); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 116         fprintf(svgfile, "      rect.sample   { fill:rgb(  0,  0,255); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 117         fprintf(svgfile, "      rect.sample_hi{ fill:rgb(255,128,  0); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 118         fprintf(svgfile, "      rect.error    { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 119         fprintf(svgfile, "      rect.net      { fill:rgb(  0,128,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 120         fprintf(svgfile, "      rect.disk     { fill:rgb(  0,  0,255); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 121         fprintf(svgfile, "      rect.sync     { fill:rgb(128,128,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 122         fprintf(svgfile, "      rect.poll     { fill:rgb(  0,128,128); fill-opacity:0.2; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 123         fprintf(svgfile, "      rect.blocked  { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 124         fprintf(svgfile, "      rect.waiting  { fill:rgb(224,214,  0); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 125         fprintf(svgfile, "      rect.WAITING  { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 126         fprintf(svgfile, "      rect.cpu      { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n");
 127         fprintf(svgfile, "      rect.pstate   { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n");
 128         fprintf(svgfile, "      rect.c1       { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n");
 129         fprintf(svgfile, "      rect.c2       { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n");
 130         fprintf(svgfile, "      rect.c3       { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n");
 131         fprintf(svgfile, "      rect.c4       { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n");
 132         fprintf(svgfile, "      rect.c5       { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n");
 133         fprintf(svgfile, "      rect.c6       { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0; } \n");
 134         fprintf(svgfile, "      line.pstate   { stroke:rgb(255,255,  0); stroke-opacity:0.8; stroke-width:2; } \n");
 135
 136         fprintf(svgfile, "    ]]>\n   </style>\n</defs>\n");
 137 }
 138
 139 static double normalize_height(double height)
 140 {
 141         if (height < 0.25)
 142                 return 0.25;
 143         else if (height < 0.50)
 144                 return 0.50;
 145         else if (height < 0.75)
 146                 return 0.75;
 147         else
 148                 return 0.100;
 149 }
 150
 151 void svg_ubox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
 152 {
 153         double w = time2pixels(end) - time2pixels(start);
 154         height = normalize_height(height);
 155
 156         if (!svgfile)
 157                 return;
 158
 159         fprintf(svgfile, "<g>\n");
 160         fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
 161         fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
 162                 time2pixels(start),
 163                 w,
 164                 Yslot * SLOT_MULT,
 165                 SLOT_HALF * height,
 166                 type);
 167         fprintf(svgfile, "</g>\n");
 168 }
 169
 170 void svg_lbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
 171 {
 172         double w = time2pixels(end) - time2pixels(start);
 173         height = normalize_height(height);
 174
 175         if (!svgfile)
 176                 return;
 177
 178         fprintf(svgfile, "<g>\n");
 179         fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
 180         fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
 181                 time2pixels(start),
 182                 w,
 183                 Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HALF * height,
 184                 SLOT_HALF * height,
 185                 type);
 186         fprintf(svgfile, "</g>\n");
 187 }
 188
 189 void svg_fbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
 190 {
 191         double w = time2pixels(end) - time2pixels(start);
 192         height = normalize_height(height);
 193
 194         if (!svgfile)
 195                 return;
 196
 197         fprintf(svgfile, "<g>\n");
 198         fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
 199         fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
 200                 time2pixels(start),
 201                 w,
 202                 Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HEIGHT * height,
 203                 SLOT_HEIGHT * height,
 204                 type);
 205         fprintf(svgfile, "</g>\n");
 206 }
 207
 208 void svg_box(int Yslot, u64 start, u64 end, const char *type)
 209 {
 210         if (!svgfile)
 211                 return;
 212
 213         fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
 214                 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);
 215 }
 216
 217 static char *time_to_string(u64 duration);
 218 void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
 219 {
 220         if (!svgfile)
 221                 return;
 222
 223         fprintf(svgfile, "<g>\n");
 224         fprintf(svgfile, "<title>#%d blocked %s</title>\n", cpu,
 225                 time_to_string(end - start));
 226         if (backtrace)
 227                 fprintf(svgfile, "<desc>Blocked on:\n%s</desc>\n", backtrace);
 228         svg_box(Yslot, start, end, "blocked");
 229         fprintf(svgfile, "</g>\n");
 230 }
 231
 232 void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
 233 {
 234         double text_size;
 235         const char *type;
 236
 237         if (!svgfile)
 238                 return;
 239
 240         if (svg_highlight && end - start > svg_highlight)
 241                 type = "sample_hi";
 242         else
 243                 type = "sample";
 244         fprintf(svgfile, "<g>\n");
 245
 246         fprintf(svgfile, "<title>#%d running %s</title>\n",
 247                 cpu, time_to_string(end - start));
 248         if (backtrace)
 249                 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
 250         fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
 251                 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT,
 252                 type);
 253
 254         text_size = (time2pixels(end)-time2pixels(start));
 255         if (cpu > 9)
 256                 text_size = text_size/2;
 257         if (text_size > 1.25)
 258                 text_size = 1.25;
 259         text_size = round_text_size(text_size);
 260
 261         if (text_size > MIN_TEXT_SIZE)
 262                 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">%i</text>\n",
 263                         time2pixels(start), Yslot *  SLOT_MULT + SLOT_HEIGHT - 1, text_size,  cpu + 1);
 264
 265         fprintf(svgfile, "</g>\n");
 266 }
 267
 268 static char *time_to_string(u64 duration)
 269 {
 270         static char text[80];
 271
 272         text[0] = 0;
 273
 274         if (duration < NSEC_PER_USEC) /* less than 1 usec */
 275                 return text;
 276
 277         if (duration < NSEC_PER_MSEC) { /* less than 1 msec */
 278                 sprintf(text, "%.1f us", duration / (double)NSEC_PER_USEC);
 279                 return text;
 280         }
 281         sprintf(text, "%.1f ms", duration / (double)NSEC_PER_MSEC);
 282
 283         return text;
 284 }
 285
 286 void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
 287 {
 288         char *text;
 289         const char *style;
 290         double font_size;
 291
 292         if (!svgfile)
 293                 return;
 294
 295         style = "waiting";
 296
 297         if (end-start > 10 * NSEC_PER_MSEC) /* 10 msec */
 298                 style = "WAITING";
 299
 300         text = time_to_string(end-start);
 301
 302         font_size = 1.0 * (time2pixels(end)-time2pixels(start));
 303
 304         if (font_size > 3)
 305                 font_size = 3;
 306
 307         font_size = round_text_size(font_size);
 308
 309         fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT);
 310         fprintf(svgfile, "<title>#%d waiting %s</title>\n", cpu, time_to_string(end - start));
 311         if (backtrace)
 312                 fprintf(svgfile, "<desc>Waiting on:\n%s</desc>\n", backtrace);
 313         fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
 314                 time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style);
 315         if (font_size > MIN_TEXT_SIZE)
 316                 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\"> %s</text>\n",
 317                         font_size, text);
 318         fprintf(svgfile, "</g>\n");
 319 }
 320
 321 static char *cpu_model(void)
 322 {
 323         static char cpu_m[255];
 324         char buf[256];
 325         FILE *file;
 326
 327         cpu_m[0] = 0;
 328         /* CPU type */
 329         file = fopen("/proc/cpuinfo", "r");
 330         if (file) {
 331                 while (fgets(buf, 255, file)) {
 332                         if (strstr(buf, "model name")) {
 333                                 strlcpy(cpu_m, &buf[13], 255);
 334                                 break;
 335                         }
 336                 }
 337                 fclose(file);
 338         }
 339
 340         /* CPU type */
 341         file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r");
 342         if (file) {
 343                 while (fgets(buf, 255, file)) {
 344                         unsigned int freq;
 345                         freq = strtoull(buf, NULL, 10);
 346                         if (freq > max_freq)
 347                                 max_freq = freq;
 348                 }
 349                 fclose(file);
 350         }
 351         return cpu_m;
 352 }
 353
 354 void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)
 355 {
 356         char cpu_string[80];
 357         if (!svgfile)
 358                 return;
 359
 360         max_freq = __max_freq;
 361         turbo_frequency = __turbo_freq;
 362
 363         fprintf(svgfile, "<g>\n");
 364
 365         fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"cpu\"/>\n",
 366                 time2pixels(first_time),
 367                 time2pixels(last_time)-time2pixels(first_time),
 368                 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
 369
 370         sprintf(cpu_string, "CPU %i", (int)cpu);
 371         fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n",
 372                 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
 373
 374         fprintf(svgfile, "<text transform=\"translate(%.8f,%.8f)\" font-size=\"1.25pt\">%s</text>\n",
 375                 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
 376
 377         fprintf(svgfile, "</g>\n");
 378 }
 379
 380 void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace)
 381 {
 382         double width;
 383         const char *type;
 384
 385         if (!svgfile)
 386                 return;
 387
 388         if (svg_highlight && end - start >= svg_highlight)
 389                 type = "sample_hi";
 390         else if (svg_highlight_name && strstr(name, svg_highlight_name))
 391                 type = "sample_hi";
 392         else
 393                 type = "sample";
 394
 395         fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), cpu2y(cpu));
 396         fprintf(svgfile, "<title>%d %s running %s</title>\n", pid, name, time_to_string(end - start));
 397         if (backtrace)
 398                 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
 399         fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
 400                 time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type);
 401         width = time2pixels(end)-time2pixels(start);
 402         if (width > 6)
 403                 width = 6;
 404
 405         width = round_text_size(width);
 406
 407         if (width > MIN_TEXT_SIZE)
 408                 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\">%s</text>\n",
 409                         width, name);
 410
 411         fprintf(svgfile, "</g>\n");
 412 }
 413
 414 void svg_cstate(int cpu, u64 start, u64 end, int type)
 415 {
 416         double width;
 417         char style[128];
 418
 419         if (!svgfile)
 420                 return;
 421
 422
 423         fprintf(svgfile, "<g>\n");
 424
 425         if (type > 6)
 426                 type = 6;
 427         sprintf(style, "c%i", type);
 428
 429         fprintf(svgfile, "<rect class=\"%s\" x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\"/>\n",
 430                 style,
 431                 time2pixels(start), time2pixels(end)-time2pixels(start),
 432                 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
 433
 434         width = (time2pixels(end)-time2pixels(start))/2.0;
 435         if (width > 6)
 436                 width = 6;
 437
 438         width = round_text_size(width);
 439
 440         if (width > MIN_TEXT_SIZE)
 441                 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">C%i</text>\n",
 442                         time2pixels(start), cpu2y(cpu)+width, width, type);
 443
 444         fprintf(svgfile, "</g>\n");
 445 }
 446
 447 static char *HzToHuman(unsigned long hz)
 448 {
 449         static char buffer[1024];
 450         unsigned long long Hz;
 451
 452         memset(buffer, 0, 1024);
 453
 454         Hz = hz;
 455
 456         /* default: just put the Number in */
 457         sprintf(buffer, "%9lli", Hz);
 458
 459         if (Hz > 1000)
 460                 sprintf(buffer, " %6lli Mhz", (Hz+500)/1000);
 461
 462         if (Hz > 1500000)
 463                 sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000);
 464
 465         if (Hz == turbo_frequency)
 466                 sprintf(buffer, "Turbo");
 467
 468         return buffer;
 469 }
 470
 471 void svg_pstate(int cpu, u64 start, u64 end, u64 freq)
 472 {
 473         double height = 0;
 474
 475         if (!svgfile)
 476                 return;
 477
 478         fprintf(svgfile, "<g>\n");
 479
 480         if (max_freq)
 481                 height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT);
 482         height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height;
 483         fprintf(svgfile, "<line x1=\"%.8f\" x2=\"%.8f\" y1=\"%.1f\" y2=\"%.1f\" class=\"pstate\"/>\n",
 484                 time2pixels(start), time2pixels(end), height, height);
 485         fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"0.25pt\">%s</text>\n",
 486                 time2pixels(start), height+0.9, HzToHuman(freq));
 487
 488         fprintf(svgfile, "</g>\n");
 489 }
 490
 491
 492 void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace)
 493 {
 494         double height;
 495
 496         if (!svgfile)
 497                 return;
 498
 499
 500         fprintf(svgfile, "<g>\n");
 501
 502         fprintf(svgfile, "<title>%s wakes up %s</title>\n",
 503                 desc1 ? desc1 : "?",
 504                 desc2 ? desc2 : "?");
 505
 506         if (backtrace)
 507                 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
 508
 509         if (row1 < row2) {
 510                 if (row1) {
 511                         fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 512                                 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
 513                         if (desc2)
 514                                 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
 515                                         time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2);
 516                 }
 517                 if (row2) {
 518                         fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 519                                 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32,  time2pixels(start), row2 * SLOT_MULT);
 520                         if (desc1)
 521                                 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
 522                                         time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1);
 523                 }
 524         } else {
 525                 if (row2) {
 526                         fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 527                                 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
 528                         if (desc1)
 529                                 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
 530                                         time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1);
 531                 }
 532                 if (row1) {
 533                         fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 534                                 time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32,  time2pixels(start), row1 * SLOT_MULT);
 535                         if (desc2)
 536                                 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
 537                                         time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2);
 538                 }
 539         }
 540         height = row1 * SLOT_MULT;
 541         if (row2 > row1)
 542                 height += SLOT_HEIGHT;
 543         if (row1)
 544                 fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(32,255,32)\"/>\n",
 545                         time2pixels(start), height);
 546
 547         fprintf(svgfile, "</g>\n");
 548 }
 549
 550 void svg_wakeline(u64 start, int row1, int row2, const char *backtrace)
 551 {
 552         double height;
 553
 554         if (!svgfile)
 555                 return;
 556
 557
 558         fprintf(svgfile, "<g>\n");
 559
 560         if (backtrace)
 561                 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
 562
 563         if (row1 < row2)
 564                 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 565                         time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row2 * SLOT_MULT);
 566         else
 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), row2 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row1 * SLOT_MULT);
 569
 570         height = row1 * SLOT_MULT;
 571         if (row2 > row1)
 572                 height += SLOT_HEIGHT;
 573         fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(32,255,32)\"/>\n",
 574                         time2pixels(start), height);
 575
 576         fprintf(svgfile, "</g>\n");
 577 }
 578
 579 void svg_interrupt(u64 start, int row, const char *backtrace)
 580 {
 581         if (!svgfile)
 582                 return;
 583
 584         fprintf(svgfile, "<g>\n");
 585
 586         fprintf(svgfile, "<title>Wakeup from interrupt</title>\n");
 587
 588         if (backtrace)
 589                 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
 590
 591         fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(255,128,128)\"/>\n",
 592                         time2pixels(start), row * SLOT_MULT);
 593         fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(255,128,128)\"/>\n",
 594                         time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT);
 595
 596         fprintf(svgfile, "</g>\n");
 597 }
 598
 599 void svg_text(int Yslot, u64 start, const char *text)
 600 {
 601         if (!svgfile)
 602                 return;
 603
 604         fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n",
 605                 time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text);
 606 }
 607
 608 static void svg_legenda_box(int X, const char *text, const char *style)
 609 {
 610         double boxsize;
 611         boxsize = SLOT_HEIGHT / 2;
 612
 613         fprintf(svgfile, "<rect x=\"%i\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
 614                 X, boxsize, boxsize, style);
 615         fprintf(svgfile, "<text transform=\"translate(%.8f, %.8f)\" font-size=\"%.8fpt\">%s</text>\n",
 616                 X + boxsize + 5, boxsize, 0.8 * boxsize, text);
 617 }
 618
 619 void svg_io_legenda(void)
 620 {
 621         if (!svgfile)
 622                 return;
 623
 624         fprintf(svgfile, "<g>\n");
 625         svg_legenda_box(0,      "Disk", "disk");
 626         svg_legenda_box(100,    "Network", "net");
 627         svg_legenda_box(200,    "Sync", "sync");
 628         svg_legenda_box(300,    "Poll", "poll");
 629         svg_legenda_box(400,    "Error", "error");
 630         fprintf(svgfile, "</g>\n");
 631 }
 632
 633 void svg_legenda(void)
 634 {
 635         if (!svgfile)
 636                 return;
 637
 638         fprintf(svgfile, "<g>\n");
 639         svg_legenda_box(0,      "Running", "sample");
 640         svg_legenda_box(100,    "Idle","c1");
 641         svg_legenda_box(200,    "Deeper Idle", "c3");
 642         svg_legenda_box(350,    "Deepest Idle", "c6");
 643         svg_legenda_box(550,    "Sleeping", "process2");
 644         svg_legenda_box(650,    "Waiting for cpu", "waiting");
 645         svg_legenda_box(800,    "Blocked on IO", "blocked");
 646         fprintf(svgfile, "</g>\n");
 647 }
 648
 649 void svg_time_grid(double min_thickness)
 650 {
 651         u64 i;
 652
 653         if (!svgfile)
 654                 return;
 655
 656         i = first_time;
 657         while (i < last_time) {
 658                 int color = 220;
 659                 double thickness = 0.075;
 660                 if ((i % 100000000) == 0) {
 661                         thickness = 0.5;
 662                         color = 192;
 663                 }
 664                 if ((i % 1000000000) == 0) {
 665                         thickness = 2.0;
 666                         color = 128;
 667                 }
 668
 669                 if (thickness >= min_thickness)
 670                         fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%" PRIu64 "\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%.3f\"/>\n",
 671                                 time2pixels(i), SLOT_MULT/2, time2pixels(i),
 672                                 total_height, color, color, color, thickness);
 673
 674                 i += 10000000;
 675         }
 676 }
 677
 678 void svg_close(void)
 679 {
 680         if (svgfile) {
 681                 fprintf(svgfile, "</svg>\n");
 682                 fclose(svgfile);
 683                 svgfile = NULL;
 684         }
 685 }
 686
 687 #define cpumask_bits(maskp) ((maskp)->bits)
 688 typedef struct { DECLARE_BITMAP(bits, MAX_NR_CPUS); } cpumask_t;
 689
 690 struct topology {
 691         cpumask_t *sib_core;
 692         int sib_core_nr;
 693         cpumask_t *sib_thr;
 694         int sib_thr_nr;
 695 };
 696
 697 static void scan_thread_topology(int *map, struct topology *t, int cpu, int *pos)
 698 {
 699         int i;
 700         int thr;
 701
 702         for (i = 0; i < t->sib_thr_nr; i++) {
 703                 if (!test_bit(cpu, cpumask_bits(&t->sib_thr[i])))
 704                         continue;
 705
 706                 for_each_set_bit(thr,
 707                                  cpumask_bits(&t->sib_thr[i]),
 708                                  MAX_NR_CPUS)
 709                         if (map[thr] == -1)
 710                                 map[thr] = (*pos)++;
 711         }
 712 }
 713
 714 static void scan_core_topology(int *map, struct topology *t)
 715 {
 716         int pos = 0;
 717         int i;
 718         int cpu;
 719
 720         for (i = 0; i < t->sib_core_nr; i++)
 721                 for_each_set_bit(cpu,
 722                                  cpumask_bits(&t->sib_core[i]),
 723                                  MAX_NR_CPUS)
 724                         scan_thread_topology(map, t, cpu, &pos);
 725 }
 726
 727 static int str_to_bitmap(char *s, cpumask_t *b)
 728 {
 729         int i;
 730         int ret = 0;
 731         struct cpu_map *m;
 732         int c;
 733
 734         m = cpu_map__new(s);
 735         if (!m)
 736                 return -1;
 737
 738         for (i = 0; i < m->nr; i++) {
 739                 c = m->map[i];
 740                 if (c >= MAX_NR_CPUS) {
 741                         ret = -1;
 742                         break;
 743                 }
 744
 745                 set_bit(c, cpumask_bits(b));
 746         }
 747
 748         cpu_map__put(m);
 749
 750         return ret;
 751 }
 752
 753 int svg_build_topology_map(char *sib_core, int sib_core_nr,
 754                            char *sib_thr, int sib_thr_nr)
 755 {
 756         int i;
 757         struct topology t;
 758
 759         t.sib_core_nr = sib_core_nr;
 760         t.sib_thr_nr = sib_thr_nr;
 761         t.sib_core = calloc(sib_core_nr, sizeof(cpumask_t));
 762         t.sib_thr = calloc(sib_thr_nr, sizeof(cpumask_t));
 763
 764         if (!t.sib_core || !t.sib_thr) {
 765                 fprintf(stderr, "topology: no memory\n");
 766                 goto exit;
 767         }
 768
 769         for (i = 0; i < sib_core_nr; i++) {
 770                 if (str_to_bitmap(sib_core, &t.sib_core[i])) {
 771                         fprintf(stderr, "topology: can't parse siblings map\n");
 772                         goto exit;
 773                 }
 774
 775                 sib_core += strlen(sib_core) + 1;
 776         }
 777
 778         for (i = 0; i < sib_thr_nr; i++) {
 779                 if (str_to_bitmap(sib_thr, &t.sib_thr[i])) {
 780                         fprintf(stderr, "topology: can't parse siblings map\n");
 781                         goto exit;
 782                 }
 783
 784                 sib_thr += strlen(sib_thr) + 1;
 785         }
 786
 787         topology_map = malloc(sizeof(int) * MAX_NR_CPUS);
 788         if (!topology_map) {
 789                 fprintf(stderr, "topology: no memory\n");
 790                 goto exit;
 791         }
 792
 793         for (i = 0; i < MAX_NR_CPUS; i++)
 794                 topology_map[i] = -1;
 795
 796         scan_core_topology(topology_map, &t);
 797
 798         return 0;
 799
 800 exit:
 801         zfree(&t.sib_core);
 802         zfree(&t.sib_thr);
 803
 804         return -1;
 805 }