linux/tools/perf/util/svghelper.c
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   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
  27static u64 first_time, last_time;
  28static 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
  35int svg_page_width = 1000;
  36u64 svg_highlight;
  37const char *svg_highlight_name;
  38
  39#define MIN_TEXT_SIZE 0.01
  40
  41static u64 total_height;
  42static FILE *svgfile;
  43
  44static double cpu2slot(int cpu)
  45{
  46        return 2 * cpu + 1;
  47}
  48
  49static int *topology_map;
  50
  51static 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
  59static 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 */
  71static 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
  86void 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
 142static 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
 154void 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
 173void 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
 192void 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
 211void 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
 220static char *time_to_string(u64 duration);
 221void 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
 235void 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
 271static 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
 289void 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
 324static 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
 357void 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
 383void 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
 417void 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
 450static 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
 474void 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
 495void 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
 553void 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
 582void 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
 602void 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
 611static 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
 622void 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
 636void 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
 652void 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
 681void 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)
 691typedef struct { DECLARE_BITMAP(bits, MAX_NR_CPUS); } cpumask_t;
 692
 693struct topology {
 694        cpumask_t *sib_core;
 695        int sib_core_nr;
 696        cpumask_t *sib_thr;
 697        int sib_thr_nr;
 698};
 699
 700static 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
 717static 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
 730static 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
 756int 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
 803exit:
 804        zfree(&t.sib_core);
 805        zfree(&t.sib_thr);
 806
 807        return -1;
 808}
 809