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/time64.h>
  18#include <linux/zalloc.h>
  19
  20#include "perf.h"
  21#include "svghelper.h"
  22#include "cpumap.h"
  23
  24static u64 first_time, last_time;
  25static u64 turbo_frequency, max_freq;
  26
  27
  28#define SLOT_MULT 30.0
  29#define SLOT_HEIGHT 25.0
  30#define SLOT_HALF (SLOT_HEIGHT / 2)
  31
  32int svg_page_width = 1000;
  33u64 svg_highlight;
  34const char *svg_highlight_name;
  35
  36#define MIN_TEXT_SIZE 0.01
  37
  38static u64 total_height;
  39static FILE *svgfile;
  40
  41static double cpu2slot(int cpu)
  42{
  43        return 2 * cpu + 1;
  44}
  45
  46static int *topology_map;
  47
  48static double cpu2y(int cpu)
  49{
  50        if (topology_map)
  51                return cpu2slot(topology_map[cpu]) * SLOT_MULT;
  52        else
  53                return cpu2slot(cpu) * SLOT_MULT;
  54}
  55
  56static double time2pixels(u64 __time)
  57{
  58        double X;
  59
  60        X = 1.0 * svg_page_width * (__time - first_time) / (last_time - first_time);
  61        return X;
  62}
  63
  64/*
  65 * Round text sizes so that the svg viewer only needs a discrete
  66 * number of renderings of the font
  67 */
  68static double round_text_size(double size)
  69{
  70        int loop = 100;
  71        double target = 10.0;
  72
  73        if (size >= 10.0)
  74                return size;
  75        while (loop--) {
  76                if (size >= target)
  77                        return target;
  78                target = target / 2.0;
  79        }
  80        return size;
  81}
  82
  83void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end)
  84{
  85        int new_width;
  86
  87        svgfile = fopen(filename, "w");
  88        if (!svgfile) {
  89                fprintf(stderr, "Cannot open %s for output\n", filename);
  90                return;
  91        }
  92        first_time = start;
  93        first_time = first_time / 100000000 * 100000000;
  94        last_time = end;
  95
  96        /*
  97         * if the recording is short, we default to a width of 1000, but
  98         * for longer recordings we want at least 200 units of width per second
  99         */
 100        new_width = (last_time - first_time) / 5000000;
 101
 102        if (new_width > svg_page_width)
 103                svg_page_width = new_width;
 104
 105        total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT;
 106        fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n");
 107        fprintf(svgfile, "<!DOCTYPE svg SYSTEM \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
 108        fprintf(svgfile, "<svg width=\"%i\" height=\"%" PRIu64 "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height);
 109
 110        fprintf(svgfile, "<defs>\n  <style type=\"text/css\">\n    <![CDATA[\n");
 111
 112        fprintf(svgfile, "      rect          { stroke-width: 1; }\n");
 113        fprintf(svgfile, "      rect.process  { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1;   stroke:rgb(  0,  0,  0); } \n");
 114        fprintf(svgfile, "      rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 115        fprintf(svgfile, "      rect.process3 { fill:rgb(180,180,180); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 116        fprintf(svgfile, "      rect.sample   { fill:rgb(  0,  0,255); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 117        fprintf(svgfile, "      rect.sample_hi{ fill:rgb(255,128,  0); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 118        fprintf(svgfile, "      rect.error    { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 119        fprintf(svgfile, "      rect.net      { fill:rgb(  0,128,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 120        fprintf(svgfile, "      rect.disk     { fill:rgb(  0,  0,255); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 121        fprintf(svgfile, "      rect.sync     { fill:rgb(128,128,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 122        fprintf(svgfile, "      rect.poll     { fill:rgb(  0,128,128); fill-opacity:0.2; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 123        fprintf(svgfile, "      rect.blocked  { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 124        fprintf(svgfile, "      rect.waiting  { fill:rgb(224,214,  0); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 125        fprintf(svgfile, "      rect.WAITING  { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
 126        fprintf(svgfile, "      rect.cpu      { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n");
 127        fprintf(svgfile, "      rect.pstate   { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n");
 128        fprintf(svgfile, "      rect.c1       { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n");
 129        fprintf(svgfile, "      rect.c2       { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n");
 130        fprintf(svgfile, "      rect.c3       { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n");
 131        fprintf(svgfile, "      rect.c4       { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n");
 132        fprintf(svgfile, "      rect.c5       { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n");
 133        fprintf(svgfile, "      rect.c6       { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0; } \n");
 134        fprintf(svgfile, "      line.pstate   { stroke:rgb(255,255,  0); stroke-opacity:0.8; stroke-width:2; } \n");
 135
 136        fprintf(svgfile, "    ]]>\n   </style>\n</defs>\n");
 137}
 138
 139static double normalize_height(double height)
 140{
 141        if (height < 0.25)
 142                return 0.25;
 143        else if (height < 0.50)
 144                return 0.50;
 145        else if (height < 0.75)
 146                return 0.75;
 147        else
 148                return 0.100;
 149}
 150
 151void svg_ubox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
 152{
 153        double w = time2pixels(end) - time2pixels(start);
 154        height = normalize_height(height);
 155
 156        if (!svgfile)
 157                return;
 158
 159        fprintf(svgfile, "<g>\n");
 160        fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
 161        fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
 162                time2pixels(start),
 163                w,
 164                Yslot * SLOT_MULT,
 165                SLOT_HALF * height,
 166                type);
 167        fprintf(svgfile, "</g>\n");
 168}
 169
 170void svg_lbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
 171{
 172        double w = time2pixels(end) - time2pixels(start);
 173        height = normalize_height(height);
 174
 175        if (!svgfile)
 176                return;
 177
 178        fprintf(svgfile, "<g>\n");
 179        fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
 180        fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
 181                time2pixels(start),
 182                w,
 183                Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HALF * height,
 184                SLOT_HALF * height,
 185                type);
 186        fprintf(svgfile, "</g>\n");
 187}
 188
 189void svg_fbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
 190{
 191        double w = time2pixels(end) - time2pixels(start);
 192        height = normalize_height(height);
 193
 194        if (!svgfile)
 195                return;
 196
 197        fprintf(svgfile, "<g>\n");
 198        fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
 199        fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
 200                time2pixels(start),
 201                w,
 202                Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HEIGHT * height,
 203                SLOT_HEIGHT * height,
 204                type);
 205        fprintf(svgfile, "</g>\n");
 206}
 207
 208void svg_box(int Yslot, u64 start, u64 end, const char *type)
 209{
 210        if (!svgfile)
 211                return;
 212
 213        fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
 214                time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);
 215}
 216
 217static char *time_to_string(u64 duration);
 218void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
 219{
 220        if (!svgfile)
 221                return;
 222
 223        fprintf(svgfile, "<g>\n");
 224        fprintf(svgfile, "<title>#%d blocked %s</title>\n", cpu,
 225                time_to_string(end - start));
 226        if (backtrace)
 227                fprintf(svgfile, "<desc>Blocked on:\n%s</desc>\n", backtrace);
 228        svg_box(Yslot, start, end, "blocked");
 229        fprintf(svgfile, "</g>\n");
 230}
 231
 232void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
 233{
 234        double text_size;
 235        const char *type;
 236
 237        if (!svgfile)
 238                return;
 239
 240        if (svg_highlight && end - start > svg_highlight)
 241                type = "sample_hi";
 242        else
 243                type = "sample";
 244        fprintf(svgfile, "<g>\n");
 245
 246        fprintf(svgfile, "<title>#%d running %s</title>\n",
 247                cpu, time_to_string(end - start));
 248        if (backtrace)
 249                fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
 250        fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
 251                time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT,
 252                type);
 253
 254        text_size = (time2pixels(end)-time2pixels(start));
 255        if (cpu > 9)
 256                text_size = text_size/2;
 257        if (text_size > 1.25)
 258                text_size = 1.25;
 259        text_size = round_text_size(text_size);
 260
 261        if (text_size > MIN_TEXT_SIZE)
 262                fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">%i</text>\n",
 263                        time2pixels(start), Yslot *  SLOT_MULT + SLOT_HEIGHT - 1, text_size,  cpu + 1);
 264
 265        fprintf(svgfile, "</g>\n");
 266}
 267
 268static char *time_to_string(u64 duration)
 269{
 270        static char text[80];
 271
 272        text[0] = 0;
 273
 274        if (duration < NSEC_PER_USEC) /* less than 1 usec */
 275                return text;
 276
 277        if (duration < NSEC_PER_MSEC) { /* less than 1 msec */
 278                sprintf(text, "%.1f us", duration / (double)NSEC_PER_USEC);
 279                return text;
 280        }
 281        sprintf(text, "%.1f ms", duration / (double)NSEC_PER_MSEC);
 282
 283        return text;
 284}
 285
 286void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
 287{
 288        char *text;
 289        const char *style;
 290        double font_size;
 291
 292        if (!svgfile)
 293                return;
 294
 295        style = "waiting";
 296
 297        if (end-start > 10 * NSEC_PER_MSEC) /* 10 msec */
 298                style = "WAITING";
 299
 300        text = time_to_string(end-start);
 301
 302        font_size = 1.0 * (time2pixels(end)-time2pixels(start));
 303
 304        if (font_size > 3)
 305                font_size = 3;
 306
 307        font_size = round_text_size(font_size);
 308
 309        fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT);
 310        fprintf(svgfile, "<title>#%d waiting %s</title>\n", cpu, time_to_string(end - start));
 311        if (backtrace)
 312                fprintf(svgfile, "<desc>Waiting on:\n%s</desc>\n", backtrace);
 313        fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
 314                time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style);
 315        if (font_size > MIN_TEXT_SIZE)
 316                fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\"> %s</text>\n",
 317                        font_size, text);
 318        fprintf(svgfile, "</g>\n");
 319}
 320
 321static char *cpu_model(void)
 322{
 323        static char cpu_m[255];
 324        char buf[256];
 325        FILE *file;
 326
 327        cpu_m[0] = 0;
 328        /* CPU type */
 329        file = fopen("/proc/cpuinfo", "r");
 330        if (file) {
 331                while (fgets(buf, 255, file)) {
 332                        if (strstr(buf, "model name")) {
 333                                strlcpy(cpu_m, &buf[13], 255);
 334                                break;
 335                        }
 336                }
 337                fclose(file);
 338        }
 339
 340        /* CPU type */
 341        file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r");
 342        if (file) {
 343                while (fgets(buf, 255, file)) {
 344                        unsigned int freq;
 345                        freq = strtoull(buf, NULL, 10);
 346                        if (freq > max_freq)
 347                                max_freq = freq;
 348                }
 349                fclose(file);
 350        }
 351        return cpu_m;
 352}
 353
 354void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)
 355{
 356        char cpu_string[80];
 357        if (!svgfile)
 358                return;
 359
 360        max_freq = __max_freq;
 361        turbo_frequency = __turbo_freq;
 362
 363        fprintf(svgfile, "<g>\n");
 364
 365        fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"cpu\"/>\n",
 366                time2pixels(first_time),
 367                time2pixels(last_time)-time2pixels(first_time),
 368                cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
 369
 370        sprintf(cpu_string, "CPU %i", (int)cpu);
 371        fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n",
 372                10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
 373
 374        fprintf(svgfile, "<text transform=\"translate(%.8f,%.8f)\" font-size=\"1.25pt\">%s</text>\n",
 375                10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
 376
 377        fprintf(svgfile, "</g>\n");
 378}
 379
 380void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace)
 381{
 382        double width;
 383        const char *type;
 384
 385        if (!svgfile)
 386                return;
 387
 388        if (svg_highlight && end - start >= svg_highlight)
 389                type = "sample_hi";
 390        else if (svg_highlight_name && strstr(name, svg_highlight_name))
 391                type = "sample_hi";
 392        else
 393                type = "sample";
 394
 395        fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), cpu2y(cpu));
 396        fprintf(svgfile, "<title>%d %s running %s</title>\n", pid, name, time_to_string(end - start));
 397        if (backtrace)
 398                fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
 399        fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
 400                time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type);
 401        width = time2pixels(end)-time2pixels(start);
 402        if (width > 6)
 403                width = 6;
 404
 405        width = round_text_size(width);
 406
 407        if (width > MIN_TEXT_SIZE)
 408                fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\">%s</text>\n",
 409                        width, name);
 410
 411        fprintf(svgfile, "</g>\n");
 412}
 413
 414void svg_cstate(int cpu, u64 start, u64 end, int type)
 415{
 416        double width;
 417        char style[128];
 418
 419        if (!svgfile)
 420                return;
 421
 422
 423        fprintf(svgfile, "<g>\n");
 424
 425        if (type > 6)
 426                type = 6;
 427        sprintf(style, "c%i", type);
 428
 429        fprintf(svgfile, "<rect class=\"%s\" x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\"/>\n",
 430                style,
 431                time2pixels(start), time2pixels(end)-time2pixels(start),
 432                cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
 433
 434        width = (time2pixels(end)-time2pixels(start))/2.0;
 435        if (width > 6)
 436                width = 6;
 437
 438        width = round_text_size(width);
 439
 440        if (width > MIN_TEXT_SIZE)
 441                fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">C%i</text>\n",
 442                        time2pixels(start), cpu2y(cpu)+width, width, type);
 443
 444        fprintf(svgfile, "</g>\n");
 445}
 446
 447static char *HzToHuman(unsigned long hz)
 448{
 449        static char buffer[1024];
 450        unsigned long long Hz;
 451
 452        memset(buffer, 0, 1024);
 453
 454        Hz = hz;
 455
 456        /* default: just put the Number in */
 457        sprintf(buffer, "%9lli", Hz);
 458
 459        if (Hz > 1000)
 460                sprintf(buffer, " %6lli Mhz", (Hz+500)/1000);
 461
 462        if (Hz > 1500000)
 463                sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000);
 464
 465        if (Hz == turbo_frequency)
 466                sprintf(buffer, "Turbo");
 467
 468        return buffer;
 469}
 470
 471void svg_pstate(int cpu, u64 start, u64 end, u64 freq)
 472{
 473        double height = 0;
 474
 475        if (!svgfile)
 476                return;
 477
 478        fprintf(svgfile, "<g>\n");
 479
 480        if (max_freq)
 481                height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT);
 482        height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height;
 483        fprintf(svgfile, "<line x1=\"%.8f\" x2=\"%.8f\" y1=\"%.1f\" y2=\"%.1f\" class=\"pstate\"/>\n",
 484                time2pixels(start), time2pixels(end), height, height);
 485        fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"0.25pt\">%s</text>\n",
 486                time2pixels(start), height+0.9, HzToHuman(freq));
 487
 488        fprintf(svgfile, "</g>\n");
 489}
 490
 491
 492void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace)
 493{
 494        double height;
 495
 496        if (!svgfile)
 497                return;
 498
 499
 500        fprintf(svgfile, "<g>\n");
 501
 502        fprintf(svgfile, "<title>%s wakes up %s</title>\n",
 503                desc1 ? desc1 : "?",
 504                desc2 ? desc2 : "?");
 505
 506        if (backtrace)
 507                fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
 508
 509        if (row1 < row2) {
 510                if (row1) {
 511                        fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 512                                time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
 513                        if (desc2)
 514                                fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
 515                                        time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2);
 516                }
 517                if (row2) {
 518                        fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 519                                time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32,  time2pixels(start), row2 * SLOT_MULT);
 520                        if (desc1)
 521                                fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
 522                                        time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1);
 523                }
 524        } else {
 525                if (row2) {
 526                        fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 527                                time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
 528                        if (desc1)
 529                                fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
 530                                        time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1);
 531                }
 532                if (row1) {
 533                        fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 534                                time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32,  time2pixels(start), row1 * SLOT_MULT);
 535                        if (desc2)
 536                                fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
 537                                        time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2);
 538                }
 539        }
 540        height = row1 * SLOT_MULT;
 541        if (row2 > row1)
 542                height += SLOT_HEIGHT;
 543        if (row1)
 544                fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(32,255,32)\"/>\n",
 545                        time2pixels(start), height);
 546
 547        fprintf(svgfile, "</g>\n");
 548}
 549
 550void svg_wakeline(u64 start, int row1, int row2, const char *backtrace)
 551{
 552        double height;
 553
 554        if (!svgfile)
 555                return;
 556
 557
 558        fprintf(svgfile, "<g>\n");
 559
 560        if (backtrace)
 561                fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
 562
 563        if (row1 < row2)
 564                fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 565                        time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row2 * SLOT_MULT);
 566        else
 567                fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
 568                        time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row1 * SLOT_MULT);
 569
 570        height = row1 * SLOT_MULT;
 571        if (row2 > row1)
 572                height += SLOT_HEIGHT;
 573        fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(32,255,32)\"/>\n",
 574                        time2pixels(start), height);
 575
 576        fprintf(svgfile, "</g>\n");
 577}
 578
 579void svg_interrupt(u64 start, int row, const char *backtrace)
 580{
 581        if (!svgfile)
 582                return;
 583
 584        fprintf(svgfile, "<g>\n");
 585
 586        fprintf(svgfile, "<title>Wakeup from interrupt</title>\n");
 587
 588        if (backtrace)
 589                fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
 590
 591        fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(255,128,128)\"/>\n",
 592                        time2pixels(start), row * SLOT_MULT);
 593        fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(255,128,128)\"/>\n",
 594                        time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT);
 595
 596        fprintf(svgfile, "</g>\n");
 597}
 598
 599void svg_text(int Yslot, u64 start, const char *text)
 600{
 601        if (!svgfile)
 602                return;
 603
 604        fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n",
 605                time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text);
 606}
 607
 608static void svg_legenda_box(int X, const char *text, const char *style)
 609{
 610        double boxsize;
 611        boxsize = SLOT_HEIGHT / 2;
 612
 613        fprintf(svgfile, "<rect x=\"%i\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
 614                X, boxsize, boxsize, style);
 615        fprintf(svgfile, "<text transform=\"translate(%.8f, %.8f)\" font-size=\"%.8fpt\">%s</text>\n",
 616                X + boxsize + 5, boxsize, 0.8 * boxsize, text);
 617}
 618
 619void svg_io_legenda(void)
 620{
 621        if (!svgfile)
 622                return;
 623
 624        fprintf(svgfile, "<g>\n");
 625        svg_legenda_box(0,      "Disk", "disk");
 626        svg_legenda_box(100,    "Network", "net");
 627        svg_legenda_box(200,    "Sync", "sync");
 628        svg_legenda_box(300,    "Poll", "poll");
 629        svg_legenda_box(400,    "Error", "error");
 630        fprintf(svgfile, "</g>\n");
 631}
 632
 633void svg_legenda(void)
 634{
 635        if (!svgfile)
 636                return;
 637
 638        fprintf(svgfile, "<g>\n");
 639        svg_legenda_box(0,      "Running", "sample");
 640        svg_legenda_box(100,    "Idle","c1");
 641        svg_legenda_box(200,    "Deeper Idle", "c3");
 642        svg_legenda_box(350,    "Deepest Idle", "c6");
 643        svg_legenda_box(550,    "Sleeping", "process2");
 644        svg_legenda_box(650,    "Waiting for cpu", "waiting");
 645        svg_legenda_box(800,    "Blocked on IO", "blocked");
 646        fprintf(svgfile, "</g>\n");
 647}
 648
 649void svg_time_grid(double min_thickness)
 650{
 651        u64 i;
 652
 653        if (!svgfile)
 654                return;
 655
 656        i = first_time;
 657        while (i < last_time) {
 658                int color = 220;
 659                double thickness = 0.075;
 660                if ((i % 100000000) == 0) {
 661                        thickness = 0.5;
 662                        color = 192;
 663                }
 664                if ((i % 1000000000) == 0) {
 665                        thickness = 2.0;
 666                        color = 128;
 667                }
 668
 669                if (thickness >= min_thickness)
 670                        fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%" PRIu64 "\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%.3f\"/>\n",
 671                                time2pixels(i), SLOT_MULT/2, time2pixels(i),
 672                                total_height, color, color, color, thickness);
 673
 674                i += 10000000;
 675        }
 676}
 677
 678void svg_close(void)
 679{
 680        if (svgfile) {
 681                fprintf(svgfile, "</svg>\n");
 682                fclose(svgfile);
 683                svgfile = NULL;
 684        }
 685}
 686
 687#define cpumask_bits(maskp) ((maskp)->bits)
 688typedef struct { DECLARE_BITMAP(bits, MAX_NR_CPUS); } cpumask_t;
 689
 690struct topology {
 691        cpumask_t *sib_core;
 692        int sib_core_nr;
 693        cpumask_t *sib_thr;
 694        int sib_thr_nr;
 695};
 696
 697static void scan_thread_topology(int *map, struct topology *t, int cpu, int *pos)
 698{
 699        int i;
 700        int thr;
 701
 702        for (i = 0; i < t->sib_thr_nr; i++) {
 703                if (!test_bit(cpu, cpumask_bits(&t->sib_thr[i])))
 704                        continue;
 705
 706                for_each_set_bit(thr,
 707                                 cpumask_bits(&t->sib_thr[i]),
 708                                 MAX_NR_CPUS)
 709                        if (map[thr] == -1)
 710                                map[thr] = (*pos)++;
 711        }
 712}
 713
 714static void scan_core_topology(int *map, struct topology *t)
 715{
 716        int pos = 0;
 717        int i;
 718        int cpu;
 719
 720        for (i = 0; i < t->sib_core_nr; i++)
 721                for_each_set_bit(cpu,
 722                                 cpumask_bits(&t->sib_core[i]),
 723                                 MAX_NR_CPUS)
 724                        scan_thread_topology(map, t, cpu, &pos);
 725}
 726
 727static int str_to_bitmap(char *s, cpumask_t *b)
 728{
 729        int i;
 730        int ret = 0;
 731        struct cpu_map *m;
 732        int c;
 733
 734        m = cpu_map__new(s);
 735        if (!m)
 736                return -1;
 737
 738        for (i = 0; i < m->nr; i++) {
 739                c = m->map[i];
 740                if (c >= MAX_NR_CPUS) {
 741                        ret = -1;
 742                        break;
 743                }
 744
 745                set_bit(c, cpumask_bits(b));
 746        }
 747
 748        cpu_map__put(m);
 749
 750        return ret;
 751}
 752
 753int svg_build_topology_map(char *sib_core, int sib_core_nr,
 754                           char *sib_thr, int sib_thr_nr)
 755{
 756        int i;
 757        struct topology t;
 758
 759        t.sib_core_nr = sib_core_nr;
 760        t.sib_thr_nr = sib_thr_nr;
 761        t.sib_core = calloc(sib_core_nr, sizeof(cpumask_t));
 762        t.sib_thr = calloc(sib_thr_nr, sizeof(cpumask_t));
 763
 764        if (!t.sib_core || !t.sib_thr) {
 765                fprintf(stderr, "topology: no memory\n");
 766                goto exit;
 767        }
 768
 769        for (i = 0; i < sib_core_nr; i++) {
 770                if (str_to_bitmap(sib_core, &t.sib_core[i])) {
 771                        fprintf(stderr, "topology: can't parse siblings map\n");
 772                        goto exit;
 773                }
 774
 775                sib_core += strlen(sib_core) + 1;
 776        }
 777
 778        for (i = 0; i < sib_thr_nr; i++) {
 779                if (str_to_bitmap(sib_thr, &t.sib_thr[i])) {
 780                        fprintf(stderr, "topology: can't parse siblings map\n");
 781                        goto exit;
 782                }
 783
 784                sib_thr += strlen(sib_thr) + 1;
 785        }
 786
 787        topology_map = malloc(sizeof(int) * MAX_NR_CPUS);
 788        if (!topology_map) {
 789                fprintf(stderr, "topology: no memory\n");
 790                goto exit;
 791        }
 792
 793        for (i = 0; i < MAX_NR_CPUS; i++)
 794                topology_map[i] = -1;
 795
 796        scan_core_topology(topology_map, &t);
 797
 798        return 0;
 799
 800exit:
 801        zfree(&t.sib_core);
 802        zfree(&t.sib_thr);
 803
 804        return -1;
 805}
 806