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