809 lines · c
1// SPDX-License-Identifier: GPL-2.0-only2/*3 * svghelper.c - helper functions for outputting svg4 *5 * (C) Copyright 2009 Intel Corporation6 *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 30.031#define SLOT_HEIGHT 25.032#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 0.0139 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 else55 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 discrete68 * number of renderings of the font69 */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, but100 * for longer recordings we want at least 200 units of width per second101 */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 else150 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 else245 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 (strcasestr(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 else395 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 ></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 ></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 <</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 <</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 else569 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 idx, ret = 0;729 struct perf_cpu_map *map;730 struct perf_cpu cpu;731 732 map = perf_cpu_map__new(s);733 if (!map)734 return -1;735 736 perf_cpu_map__for_each_cpu(cpu, idx, map) {737 if (cpu.cpu >= nr_cpus) {738 ret = -1;739 break;740 }741 742 __set_bit(cpu.cpu, cpumask_bits(b));743 }744 745 perf_cpu_map__put(map);746 747 return ret;748}749 750int svg_build_topology_map(struct perf_env *env)751{752 int i, nr_cpus;753 struct topology t;754 char *sib_core, *sib_thr;755 int ret = -1;756 757 nr_cpus = min(env->nr_cpus_online, MAX_NR_CPUS);758 759 t.sib_core_nr = env->nr_sibling_cores;760 t.sib_thr_nr = env->nr_sibling_threads;761 t.sib_core = calloc(env->nr_sibling_cores, sizeof(cpumask_t));762 t.sib_thr = calloc(env->nr_sibling_threads, sizeof(cpumask_t));763 764 sib_core = env->sibling_cores;765 sib_thr = env->sibling_threads;766 767 if (!t.sib_core || !t.sib_thr) {768 fprintf(stderr, "topology: no memory\n");769 goto exit;770 }771 772 for (i = 0; i < env->nr_sibling_cores; i++) {773 if (str_to_bitmap(sib_core, &t.sib_core[i], nr_cpus)) {774 fprintf(stderr, "topology: can't parse siblings map\n");775 goto exit;776 }777 778 sib_core += strlen(sib_core) + 1;779 }780 781 for (i = 0; i < env->nr_sibling_threads; i++) {782 if (str_to_bitmap(sib_thr, &t.sib_thr[i], nr_cpus)) {783 fprintf(stderr, "topology: can't parse siblings map\n");784 goto exit;785 }786 787 sib_thr += strlen(sib_thr) + 1;788 }789 790 topology_map = malloc(sizeof(int) * nr_cpus);791 if (!topology_map) {792 fprintf(stderr, "topology: no memory\n");793 goto exit;794 }795 796 for (i = 0; i < nr_cpus; i++)797 topology_map[i] = -1;798 799 scan_core_topology(topology_map, &t, nr_cpus);800 801 ret = 0;802 803exit:804 zfree(&t.sib_core);805 zfree(&t.sib_thr);806 807 return ret;808}809