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#include <linux/time64.h>
  22
  23#include "perf.h"
  24#include "svghelper.h"
  25#include "util.h"
  26#include "cpumap.h"
  27
  28static u64 first_time, last_time;
  29static u64 turbo_frequency, max_freq;
  30
  31
  32#define SLOT_MULT 30.0
  33#define SLOT_HEIGHT 25.0
  34#define SLOT_HALF (SLOT_HEIGHT / 2)
  35
  36int svg_page_width = 1000;
  37u64 svg_highlight;
  38const char *svg_highlight_name;
  39
  40#define MIN_TEXT_SIZE 0.01
  41
  42static u64 total_height;
  43static FILE *svgfile;
  44
  45static double cpu2slot(int cpu)
  46{
  47        return 2 * cpu + 1;
  48}
  49
  50static int *topology_map;
  51
  52static double cpu2y(int cpu)
  53{
  54        if (topology_map)
  55                return cpu2slot(topology_map[cpu]) * SLOT_MULT;
  56        else
  57                return cpu2slot(cpu) * SLOT_MULT;
  58}
  59
  60static double time2pixels(u64 __time)
  61{
  62        double X;
  63
  64        X = 1.0 * svg_page_width * (__time - first_time) / (last_time - first_time);
  65        return X;
  66}
  67
  68/*
  69 * Round text sizes so that the svg viewer only needs a discrete
  70 * number of renderings of the font
  71 */
  72static double round_text_size(double size)
  73{
  74        int loop = 100;
  75        double target = 10.0;
  76
  77        if (size >= 10.0)
  78                return size;
  79        while (loop--) {
  80                if (size >= target)
  81                        return target;
  82                target = target / 2.0;
  83        }
  84        return size;
  85}
  86
  87void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end)
  88{
  89        int new_width;
  90
  91        svgfile = fopen(filename, "w");
  92        if (!svgfile) {
  93                fprintf(stderr, "Cannot open %s for output\n", filename);
  94                return;
  95        }
  96        first_time = start;
  97        first_time = first_time / 100000000 * 100000000;
  98        last_time = end;
  99
 100        /*
 101         * if the recording is short, we default to a width of 1000, but
 102         * for longer recordings we want at least 200 units of width per second
 103         */
 104        new_width = (last_time - first_time) / 5000000;
 105
 106        if (new_width > svg_page_width)
 107                svg_page_width = new_width;
 108
 109        total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT;
 110        fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n");
 111        fprintf(svgfile, "<!DOCTYPE svg SYSTEM \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
 112        fprintf(svgfile, "<svg width=\"%i\" height=\"%" PRIu64 "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height);
 113
 114        fprintf(svgfile, "<defs>\n  <style type=\"text/css\">\n    <![CDATA[\n");
 115
 116        fprintf(svgfile, "      rect          { stroke-width: 1; }\n");
 117        fprintf(svgfile, "      rect.process  { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1;   stroke:rgb(  0,  0,  0); } \n");
 118        fprintf(svgfile, "      rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 119        fprintf(svgfile, "      rect.process3 { fill:rgb(180,180,180); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 120        fprintf(svgfile, "      rect.sample   { fill:rgb(  0,  0,255); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 121        fprintf(svgfile, "      rect.sample_hi{ fill:rgb(255,128,  0); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 122        fprintf(svgfile, "      rect.error    { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 123        fprintf(svgfile, "      rect.net      { fill:rgb(  0,128,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 124        fprintf(svgfile, "      rect.disk     { fill:rgb(  0,  0,255); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 125        fprintf(svgfile, "      rect.sync     { fill:rgb(128,128,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 126        fprintf(svgfile, "      rect.poll     { fill:rgb(  0,128,128); fill-opacity:0.2; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 127        fprintf(svgfile, "      rect.blocked  { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 128        fprintf(svgfile, "      rect.waiting  { fill:rgb(224,214,  0); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 129        fprintf(svgfile, "      rect.WAITING  { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 130        fprintf(svgfile, "      rect.cpu      { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n");
 131        fprintf(svgfile, "      rect.pstate   { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n");
 132        fprintf(svgfile, "      rect.c1       { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n");
 133        fprintf(svgfile, "      rect.c2       { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n");
 134        fprintf(svgfile, "      rect.c3       { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n");
 135        fprintf(svgfile, "      rect.c4       { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n");
 136        fprintf(svgfile, "      rect.c5       { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n");
 137        fprintf(svgfile, "      rect.c6       { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0; } \n");
 138        fprintf(svgfile, "      line.pstate   { stroke:rgb(255,255,  0); stroke-opacity:0.8; stroke-width:2; } \n");
 139
 140        fprintf(svgfile, "    ]]>\n   </style>\n</defs>\n");
 141}
 142
 143static double normalize_height(double height)
 144{
 145        if (height < 0.25)
 146                return 0.25;
 147        else if (height < 0.50)
 148                return 0.50;
 149        else if (height < 0.75)
 150                return 0.75;
 151        else
 152                return 0.100;
 153}
 154
 155void svg_ubox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
 156{
 157        double w = time2pixels(end) - time2pixels(start);
 158        height = normalize_height(height);
 159
 160        if (!svgfile)
 161                return;
 162
 163        fprintf(svgfile, "<g>\n");
 164        fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
 165        fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
 166                time2pixels(start),
 167                w,
 168                Yslot * SLOT_MULT,
 169                SLOT_HALF * height,
 170                type);
 171        fprintf(svgfile, "</g>\n");
 172}
 173
 174void svg_lbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
 175{
 176        double w = time2pixels(end) - time2pixels(start);
 177        height = normalize_height(height);
 178
 179        if (!svgfile)
 180                return;
 181
 182        fprintf(svgfile, "<g>\n");
 183        fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
 184        fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
 185                time2pixels(start),
 186                w,
 187                Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HALF * height,
 188                SLOT_HALF * height,
 189                type);
 190        fprintf(svgfile, "</g>\n");
 191}
 192
 193void svg_fbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
 194{
 195        double w = time2pixels(end) - time2pixels(start);
 196        height = normalize_height(height);
 197
 198        if (!svgfile)
 199                return;
 200
 201        fprintf(svgfile, "<g>\n");
 202        fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
 203        fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
 204                time2pixels(start),
 205                w,
 206                Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HEIGHT * height,
 207                SLOT_HEIGHT * height,
 208                type);
 209        fprintf(svgfile, "</g>\n");
 210}
 211
 212void svg_box(int Yslot, u64 start, u64 end, const char *type)
 213{
 214        if (!svgfile)
 215                return;
 216
 217        fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
 218                time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);
 219}
 220
 221static char *time_to_string(u64 duration);
 222void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
 223{
 224        if (!svgfile)
 225                return;
 226
 227        fprintf(svgfile, "<g>\n");
 228        fprintf(svgfile, "<title>#%d blocked %s</title>\n", cpu,
 229                time_to_string(end - start));
 230        if (backtrace)
 231                fprintf(svgfile, "<desc>Blocked on:\n%s</desc>\n", backtrace);
 232        svg_box(Yslot, start, end, "blocked");
 233        fprintf(svgfile, "</g>\n");
 234}
 235
 236void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
 237{
 238        double text_size;
 239        const char *type;
 240
 241        if (!svgfile)
 242                return;
 243
 244        if (svg_highlight && end - start > svg_highlight)
 245                type = "sample_hi";
 246        else
 247                type = "sample";
 248        fprintf(svgfile, "<g>\n");
 249
 250        fprintf(svgfile, "<title>#%d running %s</title>\n",
 251                cpu, time_to_string(end - start));
 252        if (backtrace)
 253                fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
 254        fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
 255                time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT,
 256                type);
 257
 258        text_size = (time2pixels(end)-time2pixels(start));
 259        if (cpu > 9)
 260                text_size = text_size/2;
 261        if (text_size > 1.25)
 262                text_size = 1.25;
 263        text_size = round_text_size(text_size);
 264
 265        if (text_size > MIN_TEXT_SIZE)
 266                fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">%i</text>\n",
 267                        time2pixels(start), Yslot *  SLOT_MULT + SLOT_HEIGHT - 1, text_size,  cpu + 1);
 268
 269        fprintf(svgfile, "</g>\n");
 270}
 271
 272static char *time_to_string(u64 duration)
 273{
 274        static char text[80];
 275
 276        text[0] = 0;
 277
 278        if (duration < NSEC_PER_USEC) /* less than 1 usec */
 279                return text;
 280
 281        if (duration < NSEC_PER_MSEC) { /* less than 1 msec */
 282                sprintf(text, "%.1f us", duration / (double)NSEC_PER_USEC);
 283                return text;
 284        }
 285        sprintf(text, "%.1f ms", duration / (double)NSEC_PER_MSEC);
 286
 287        return text;
 288}
 289
 290void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
 291{
 292        char *text;
 293        const char *style;
 294        double font_size;
 295
 296        if (!svgfile)
 297                return;
 298
 299        style = "waiting";
 300
 301        if (end-start > 10 * NSEC_PER_MSEC) /* 10 msec */
 302                style = "WAITING";
 303
 304        text = time_to_string(end-start);
 305
 306        font_size = 1.0 * (time2pixels(end)-time2pixels(start));
 307
 308        if (font_size > 3)
 309                font_size = 3;
 310
 311        font_size = round_text_size(font_size);
 312
 313        fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT);
 314        fprintf(svgfile, "<title>#%d waiting %s</title>\n", cpu, time_to_string(end - start));
 315        if (backtrace)
 316                fprintf(svgfile, "<desc>Waiting on:\n%s</desc>\n", backtrace);
 317        fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
 318                time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style);
 319        if (font_size > MIN_TEXT_SIZE)
 320                fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\"> %s</text>\n",
 321                        font_size, text);
 322        fprintf(svgfile, "</g>\n");
 323}
 324
 325static char *cpu_model(void)
 326{
 327        static char cpu_m[255];
 328        char buf[256];
 329        FILE *file;
 330
 331        cpu_m[0] = 0;
 332        /* CPU type */
 333        file = fopen("/proc/cpuinfo", "r");
 334        if (file) {
 335                while (fgets(buf, 255, file)) {
 336                        if (strstr(buf, "model name")) {
 337                                strncpy(cpu_m, &buf[13], 255);
 338                                break;
 339                        }
 340                }
 341                fclose(file);
 342        }
 343
 344        /* CPU type */
 345        file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r");
 346        if (file) {
 347                while (fgets(buf, 255, file)) {
 348                        unsigned int freq;
 349                        freq = strtoull(buf, NULL, 10);
 350                        if (freq > max_freq)
 351                                max_freq = freq;
 352                }
 353                fclose(file);
 354        }
 355        return cpu_m;
 356}
 357
 358void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)
 359{
 360        char cpu_string[80];
 361        if (!svgfile)
 362                return;
 363
 364        max_freq = __max_freq;
 365        turbo_frequency = __turbo_freq;
 366
 367        fprintf(svgfile, "<g>\n");
 368
 369        fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"cpu\"/>\n",
 370                time2pixels(first_time),
 371                time2pixels(last_time)-time2pixels(first_time),
 372                cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
 373
 374        sprintf(cpu_string, "CPU %i", (int)cpu);
 375        fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n",
 376                10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
 377
 378        fprintf(svgfile, "<text transform=\"translate(%.8f,%.8f)\" font-size=\"1.25pt\">%s</text>\n",
 379                10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
 380
 381        fprintf(svgfile, "</g>\n");
 382}
 383
 384void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace)
 385{
 386        double width;
 387        const char *type;
 388
 389        if (!svgfile)
 390                return;
 391
 392        if (svg_highlight && end - start >= svg_highlight)
 393                type = "sample_hi";
 394        else if (svg_highlight_name && strstr(name, svg_highlight_name))
 395                type = "sample_hi";
 396        else
 397                type = "sample";
 398
 399        fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), cpu2y(cpu));
 400        fprintf(svgfile, "<title>%d %s running %s</title>\n", pid, name, time_to_string(end - start));
 401        if (backtrace)
 402                fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
 403        fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
 404                time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type);
 405        width = time2pixels(end)-time2pixels(start);
 406        if (width > 6)
 407                width = 6;
 408
 409        width = round_text_size(width);
 410
 411        if (width > MIN_TEXT_SIZE)
 412                fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\">%s</text>\n",
 413                        width, name);
 414
 415        fprintf(svgfile, "</g>\n");
 416}
 417
 418void svg_cstate(int cpu, u64 start, u64 end, int type)
 419{
 420        double width;
 421        char style[128];
 422
 423        if (!svgfile)
 424                return;
 425
 426
 427        fprintf(svgfile, "<g>\n");
 428
 429        if (type > 6)
 430                type = 6;
 431        sprintf(style, "c%i", type);
 432
 433        fprintf(svgfile, "<rect class=\"%s\" x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\"/>\n",
 434                style,
 435                time2pixels(start), time2pixels(end)-time2pixels(start),
 436                cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
 437
 438        width = (time2pixels(end)-time2pixels(start))/2.0;
 439        if (width > 6)
 440                width = 6;
 441
 442        width = round_text_size(width);
 443
 444        if (width > MIN_TEXT_SIZE)
 445                fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">C%i</text>\n",
 446                        time2pixels(start), cpu2y(cpu)+width, width, type);
 447
 448        fprintf(svgfile, "</g>\n");
 449}
 450
 451static char *HzToHuman(unsigned long hz)
 452{
 453        static char buffer[1024];
 454        unsigned long long Hz;
 455
 456        memset(buffer, 0, 1024);
 457
 458        Hz = hz;
 459
 460        /* default: just put the Number in */
 461        sprintf(buffer, "%9lli", Hz);
 462
 463        if (Hz > 1000)
 464                sprintf(buffer, " %6lli Mhz", (Hz+500)/1000);
 465
 466        if (Hz > 1500000)
 467                sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000);
 468
 469        if (Hz == turbo_frequency)
 470                sprintf(buffer, "Turbo");
 471
 472        return buffer;
 473}
 474
 475void svg_pstate(int cpu, u64 start, u64 end, u64 freq)
 476{
 477        double height = 0;
 478
 479        if (!svgfile)
 480                return;
 481
 482        fprintf(svgfile, "<g>\n");
 483
 484        if (max_freq)
 485                height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT);
 486        height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height;
 487        fprintf(svgfile, "<line x1=\"%.8f\" x2=\"%.8f\" y1=\"%.1f\" y2=\"%.1f\" class=\"pstate\"/>\n",
 488                time2pixels(start), time2pixels(end), height, height);
 489        fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"0.25pt\">%s</text>\n",
 490                time2pixels(start), height+0.9, HzToHuman(freq));
 491
 492        fprintf(svgfile, "</g>\n");
 493}
 494
 495
 496void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace)
 497{
 498        double height;
 499
 500        if (!svgfile)
 501                return;
 502
 503
 504        fprintf(svgfile, "<g>\n");
 505
 506        fprintf(svgfile, "<title>%s wakes up %s</title>\n",
 507                desc1 ? desc1 : "?",
 508                desc2 ? desc2 : "?");
 509
 510        if (backtrace)
 511                fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
 512
 513        if (row1 < row2) {
 514                if (row1) {
 515                        fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 516                                time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
 517                        if (desc2)
 518                                fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
 519                                        time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2);
 520                }
 521                if (row2) {
 522                        fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 523                                time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32,  time2pixels(start), row2 * SLOT_MULT);
 524                        if (desc1)
 525                                fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
 526                                        time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1);
 527                }
 528        } else {
 529                if (row2) {
 530                        fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 531                                time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
 532                        if (desc1)
 533                                fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
 534                                        time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1);
 535                }
 536                if (row1) {
 537                        fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 538                                time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32,  time2pixels(start), row1 * SLOT_MULT);
 539                        if (desc2)
 540                                fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
 541                                        time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2);
 542                }
 543        }
 544        height = row1 * SLOT_MULT;
 545        if (row2 > row1)
 546                height += SLOT_HEIGHT;
 547        if (row1)
 548                fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(32,255,32)\"/>\n",
 549                        time2pixels(start), height);
 550
 551        fprintf(svgfile, "</g>\n");
 552}
 553
 554void svg_wakeline(u64 start, int row1, int row2, const char *backtrace)
 555{
 556        double height;
 557
 558        if (!svgfile)
 559                return;
 560
 561
 562        fprintf(svgfile, "<g>\n");
 563
 564        if (backtrace)
 565                fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
 566
 567        if (row1 < row2)
 568                fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 569                        time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row2 * SLOT_MULT);
 570        else
 571                fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 572                        time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row1 * SLOT_MULT);
 573
 574        height = row1 * SLOT_MULT;
 575        if (row2 > row1)
 576                height += SLOT_HEIGHT;
 577        fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(32,255,32)\"/>\n",
 578                        time2pixels(start), height);
 579
 580        fprintf(svgfile, "</g>\n");
 581}
 582
 583void svg_interrupt(u64 start, int row, const char *backtrace)
 584{
 585        if (!svgfile)
 586                return;
 587
 588        fprintf(svgfile, "<g>\n");
 589
 590        fprintf(svgfile, "<title>Wakeup from interrupt</title>\n");
 591
 592        if (backtrace)
 593                fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
 594
 595        fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(255,128,128)\"/>\n",
 596                        time2pixels(start), row * SLOT_MULT);
 597        fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(255,128,128)\"/>\n",
 598                        time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT);
 599
 600        fprintf(svgfile, "</g>\n");
 601}
 602
 603void svg_text(int Yslot, u64 start, const char *text)
 604{
 605        if (!svgfile)
 606                return;
 607
 608        fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n",
 609                time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text);
 610}
 611
 612static void svg_legenda_box(int X, const char *text, const char *style)
 613{
 614        double boxsize;
 615        boxsize = SLOT_HEIGHT / 2;
 616
 617        fprintf(svgfile, "<rect x=\"%i\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
 618                X, boxsize, boxsize, style);
 619        fprintf(svgfile, "<text transform=\"translate(%.8f, %.8f)\" font-size=\"%.8fpt\">%s</text>\n",
 620                X + boxsize + 5, boxsize, 0.8 * boxsize, text);
 621}
 622
 623void svg_io_legenda(void)
 624{
 625        if (!svgfile)
 626                return;
 627
 628        fprintf(svgfile, "<g>\n");
 629        svg_legenda_box(0,      "Disk", "disk");
 630        svg_legenda_box(100,    "Network", "net");
 631        svg_legenda_box(200,    "Sync", "sync");
 632        svg_legenda_box(300,    "Poll", "poll");
 633        svg_legenda_box(400,    "Error", "error");
 634        fprintf(svgfile, "</g>\n");
 635}
 636
 637void svg_legenda(void)
 638{
 639        if (!svgfile)
 640                return;
 641
 642        fprintf(svgfile, "<g>\n");
 643        svg_legenda_box(0,      "Running", "sample");
 644        svg_legenda_box(100,    "Idle","c1");
 645        svg_legenda_box(200,    "Deeper Idle", "c3");
 646        svg_legenda_box(350,    "Deepest Idle", "c6");
 647        svg_legenda_box(550,    "Sleeping", "process2");
 648        svg_legenda_box(650,    "Waiting for cpu", "waiting");
 649        svg_legenda_box(800,    "Blocked on IO", "blocked");
 650        fprintf(svgfile, "</g>\n");
 651}
 652
 653void svg_time_grid(double min_thickness)
 654{
 655        u64 i;
 656
 657        if (!svgfile)
 658                return;
 659
 660        i = first_time;
 661        while (i < last_time) {
 662                int color = 220;
 663                double thickness = 0.075;
 664                if ((i % 100000000) == 0) {
 665                        thickness = 0.5;
 666                        color = 192;
 667                }
 668                if ((i % 1000000000) == 0) {
 669                        thickness = 2.0;
 670                        color = 128;
 671                }
 672
 673                if (thickness >= min_thickness)
 674                        fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%" PRIu64 "\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%.3f\"/>\n",
 675                                time2pixels(i), SLOT_MULT/2, time2pixels(i),
 676                                total_height, color, color, color, thickness);
 677
 678                i += 10000000;
 679        }
 680}
 681
 682void svg_close(void)
 683{
 684        if (svgfile) {
 685                fprintf(svgfile, "</svg>\n");
 686                fclose(svgfile);
 687                svgfile = NULL;
 688        }
 689}
 690
 691#define cpumask_bits(maskp) ((maskp)->bits)
 692typedef struct { DECLARE_BITMAP(bits, MAX_NR_CPUS); } cpumask_t;
 693
 694struct topology {
 695        cpumask_t *sib_core;
 696        int sib_core_nr;
 697        cpumask_t *sib_thr;
 698        int sib_thr_nr;
 699};
 700
 701static void scan_thread_topology(int *map, struct topology *t, int cpu, int *pos)
 702{
 703        int i;
 704        int thr;
 705
 706        for (i = 0; i < t->sib_thr_nr; i++) {
 707                if (!test_bit(cpu, cpumask_bits(&t->sib_thr[i])))
 708                        continue;
 709
 710                for_each_set_bit(thr,
 711                                 cpumask_bits(&t->sib_thr[i]),
 712                                 MAX_NR_CPUS)
 713                        if (map[thr] == -1)
 714                                map[thr] = (*pos)++;
 715        }
 716}
 717
 718static void scan_core_topology(int *map, struct topology *t)
 719{
 720        int pos = 0;
 721        int i;
 722        int cpu;
 723
 724        for (i = 0; i < t->sib_core_nr; i++)
 725                for_each_set_bit(cpu,
 726                                 cpumask_bits(&t->sib_core[i]),
 727                                 MAX_NR_CPUS)
 728                        scan_thread_topology(map, t, cpu, &pos);
 729}
 730
 731static int str_to_bitmap(char *s, cpumask_t *b)
 732{
 733        int i;
 734        int ret = 0;
 735        struct cpu_map *m;
 736        int c;
 737
 738        m = cpu_map__new(s);
 739        if (!m)
 740                return -1;
 741
 742        for (i = 0; i < m->nr; i++) {
 743                c = m->map[i];
 744                if (c >= MAX_NR_CPUS) {
 745                        ret = -1;
 746                        break;
 747                }
 748
 749                set_bit(c, cpumask_bits(b));
 750        }
 751
 752        cpu_map__put(m);
 753
 754        return ret;
 755}
 756
 757int svg_build_topology_map(char *sib_core, int sib_core_nr,
 758                           char *sib_thr, int sib_thr_nr)
 759{
 760        int i;
 761        struct topology t;
 762
 763        t.sib_core_nr = sib_core_nr;
 764        t.sib_thr_nr = sib_thr_nr;
 765        t.sib_core = calloc(sib_core_nr, sizeof(cpumask_t));
 766        t.sib_thr = calloc(sib_thr_nr, sizeof(cpumask_t));
 767
 768        if (!t.sib_core || !t.sib_thr) {
 769                fprintf(stderr, "topology: no memory\n");
 770                goto exit;
 771        }
 772
 773        for (i = 0; i < sib_core_nr; i++) {
 774                if (str_to_bitmap(sib_core, &t.sib_core[i])) {
 775                        fprintf(stderr, "topology: can't parse siblings map\n");
 776                        goto exit;
 777                }
 778
 779                sib_core += strlen(sib_core) + 1;
 780        }
 781
 782        for (i = 0; i < sib_thr_nr; i++) {
 783                if (str_to_bitmap(sib_thr, &t.sib_thr[i])) {
 784                        fprintf(stderr, "topology: can't parse siblings map\n");
 785                        goto exit;
 786                }
 787
 788                sib_thr += strlen(sib_thr) + 1;
 789        }
 790
 791        topology_map = malloc(sizeof(int) * MAX_NR_CPUS);
 792        if (!topology_map) {
 793                fprintf(stderr, "topology: no memory\n");
 794                goto exit;
 795        }
 796
 797        for (i = 0; i < MAX_NR_CPUS; i++)
 798                topology_map[i] = -1;
 799
 800        scan_core_topology(topology_map, &t);
 801
 802        return 0;
 803
 804exit:
 805        zfree(&t.sib_core);
 806        zfree(&t.sib_thr);
 807
 808        return -1;
 809}
 810