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Merge tag 'pm-6.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
[linux-2.6-block.git] / 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 "perf.h"
25#include "svghelper.h"
26
27static u64 first_time, last_time;
28static u64 turbo_frequency, max_freq;
29
30
31#define SLOT_MULT 30.0
32#define SLOT_HEIGHT 25.0
33#define SLOT_HALF (SLOT_HEIGHT / 2)
34
35int svg_page_width = 1000;
36u64 svg_highlight;
37const char *svg_highlight_name;
38
39#define MIN_TEXT_SIZE 0.01
40
41static u64 total_height;
42static FILE *svgfile;
43
44static double cpu2slot(int cpu)
45{
46 return 2 * cpu + 1;
47}
48
49static int *topology_map;
50
51static double cpu2y(int cpu)
52{
53 if (topology_map)
54 return cpu2slot(topology_map[cpu]) * SLOT_MULT;
55 else
56 return cpu2slot(cpu) * SLOT_MULT;
57}
58
59static double time2pixels(u64 __time)
60{
61 double X;
62
63 X = 1.0 * svg_page_width * (__time - first_time) / (last_time - first_time);
64 return X;
65}
66
67/*
68 * Round text sizes so that the svg viewer only needs a discrete
69 * number of renderings of the font
70 */
71static double round_text_size(double size)
72{
73 int loop = 100;
74 double target = 10.0;
75
76 if (size >= 10.0)
77 return size;
78 while (loop--) {
79 if (size >= target)
80 return target;
81 target = target / 2.0;
82 }
83 return size;
84}
85
86void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end)
87{
88 int new_width;
89
90 svgfile = fopen(filename, "w");
91 if (!svgfile) {
92 fprintf(stderr, "Cannot open %s for output\n", filename);
93 return;
94 }
95 first_time = start;
96 first_time = first_time / 100000000 * 100000000;
97 last_time = end;
98
99 /*
100 * if the recording is short, we default to a width of 1000, but
101 * for longer recordings we want at least 200 units of width per second
102 */
103 new_width = (last_time - first_time) / 5000000;
104
105 if (new_width > svg_page_width)
106 svg_page_width = new_width;
107
108 total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT;
109 fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n");
110 fprintf(svgfile, "<!DOCTYPE svg SYSTEM \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
111 fprintf(svgfile, "<svg width=\"%i\" height=\"%" PRIu64 "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height);
112
113 fprintf(svgfile, "<defs>\n <style type=\"text/css\">\n <![CDATA[\n");
114
115 fprintf(svgfile, " rect { stroke-width: 1; }\n");
116 fprintf(svgfile, " rect.process { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1; stroke:rgb( 0, 0, 0); } \n");
117 fprintf(svgfile, " rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
118 fprintf(svgfile, " rect.process3 { fill:rgb(180,180,180); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
119 fprintf(svgfile, " rect.sample { fill:rgb( 0, 0,255); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
120 fprintf(svgfile, " rect.sample_hi{ fill:rgb(255,128, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
121 fprintf(svgfile, " rect.error { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
122 fprintf(svgfile, " rect.net { fill:rgb( 0,128, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
123 fprintf(svgfile, " rect.disk { fill:rgb( 0, 0,255); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
124 fprintf(svgfile, " rect.sync { fill:rgb(128,128, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
125 fprintf(svgfile, " rect.poll { fill:rgb( 0,128,128); fill-opacity:0.2; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
126 fprintf(svgfile, " rect.blocked { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
127 fprintf(svgfile, " rect.waiting { fill:rgb(224,214, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
128 fprintf(svgfile, " rect.WAITING { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
129 fprintf(svgfile, " rect.cpu { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n");
130 fprintf(svgfile, " rect.pstate { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n");
131 fprintf(svgfile, " rect.c1 { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n");
132 fprintf(svgfile, " rect.c2 { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n");
133 fprintf(svgfile, " rect.c3 { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n");
134 fprintf(svgfile, " rect.c4 { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n");
135 fprintf(svgfile, " rect.c5 { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n");
136 fprintf(svgfile, " rect.c6 { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; } \n");
137 fprintf(svgfile, " line.pstate { stroke:rgb(255,255, 0); stroke-opacity:0.8; stroke-width:2; } \n");
138
139 fprintf(svgfile, " ]]>\n </style>\n</defs>\n");
140}
141
142static double normalize_height(double height)
143{
144 if (height < 0.25)
145 return 0.25;
146 else if (height < 0.50)
147 return 0.50;
148 else if (height < 0.75)
149 return 0.75;
150 else
151 return 0.100;
152}
153
154void svg_ubox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
155{
156 double w = time2pixels(end) - time2pixels(start);
157 height = normalize_height(height);
158
159 if (!svgfile)
160 return;
161
162 fprintf(svgfile, "<g>\n");
163 fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
164 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
165 time2pixels(start),
166 w,
167 Yslot * SLOT_MULT,
168 SLOT_HALF * height,
169 type);
170 fprintf(svgfile, "</g>\n");
171}
172
173void svg_lbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
174{
175 double w = time2pixels(end) - time2pixels(start);
176 height = normalize_height(height);
177
178 if (!svgfile)
179 return;
180
181 fprintf(svgfile, "<g>\n");
182 fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
183 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
184 time2pixels(start),
185 w,
186 Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HALF * height,
187 SLOT_HALF * height,
188 type);
189 fprintf(svgfile, "</g>\n");
190}
191
192void svg_fbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
193{
194 double w = time2pixels(end) - time2pixels(start);
195 height = normalize_height(height);
196
197 if (!svgfile)
198 return;
199
200 fprintf(svgfile, "<g>\n");
201 fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
202 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
203 time2pixels(start),
204 w,
205 Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HEIGHT * height,
206 SLOT_HEIGHT * height,
207 type);
208 fprintf(svgfile, "</g>\n");
209}
210
211void svg_box(int Yslot, u64 start, u64 end, const char *type)
212{
213 if (!svgfile)
214 return;
215
216 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
217 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);
218}
219
220static char *time_to_string(u64 duration);
221void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
222{
223 if (!svgfile)
224 return;
225
226 fprintf(svgfile, "<g>\n");
227 fprintf(svgfile, "<title>#%d blocked %s</title>\n", cpu,
228 time_to_string(end - start));
229 if (backtrace)
230 fprintf(svgfile, "<desc>Blocked on:\n%s</desc>\n", backtrace);
231 svg_box(Yslot, start, end, "blocked");
232 fprintf(svgfile, "</g>\n");
233}
234
235void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
236{
237 double text_size;
238 const char *type;
239
240 if (!svgfile)
241 return;
242
243 if (svg_highlight && end - start > svg_highlight)
244 type = "sample_hi";
245 else
246 type = "sample";
247 fprintf(svgfile, "<g>\n");
248
249 fprintf(svgfile, "<title>#%d running %s</title>\n",
250 cpu, time_to_string(end - start));
251 if (backtrace)
252 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
253 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
254 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT,
255 type);
256
257 text_size = (time2pixels(end)-time2pixels(start));
258 if (cpu > 9)
259 text_size = text_size/2;
260 if (text_size > 1.25)
261 text_size = 1.25;
262 text_size = round_text_size(text_size);
263
264 if (text_size > MIN_TEXT_SIZE)
265 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">%i</text>\n",
266 time2pixels(start), Yslot * SLOT_MULT + SLOT_HEIGHT - 1, text_size, cpu + 1);
267
268 fprintf(svgfile, "</g>\n");
269}
270
271static char *time_to_string(u64 duration)
272{
273 static char text[80];
274
275 text[0] = 0;
276
277 if (duration < NSEC_PER_USEC) /* less than 1 usec */
278 return text;
279
280 if (duration < NSEC_PER_MSEC) { /* less than 1 msec */
281 sprintf(text, "%.1f us", duration / (double)NSEC_PER_USEC);
282 return text;
283 }
284 sprintf(text, "%.1f ms", duration / (double)NSEC_PER_MSEC);
285
286 return text;
287}
288
289void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
290{
291 char *text;
292 const char *style;
293 double font_size;
294
295 if (!svgfile)
296 return;
297
298 style = "waiting";
299
300 if (end-start > 10 * NSEC_PER_MSEC) /* 10 msec */
301 style = "WAITING";
302
303 text = time_to_string(end-start);
304
305 font_size = 1.0 * (time2pixels(end)-time2pixels(start));
306
307 if (font_size > 3)
308 font_size = 3;
309
310 font_size = round_text_size(font_size);
311
312 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT);
313 fprintf(svgfile, "<title>#%d waiting %s</title>\n", cpu, time_to_string(end - start));
314 if (backtrace)
315 fprintf(svgfile, "<desc>Waiting on:\n%s</desc>\n", backtrace);
316 fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
317 time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style);
318 if (font_size > MIN_TEXT_SIZE)
319 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\"> %s</text>\n",
320 font_size, text);
321 fprintf(svgfile, "</g>\n");
322}
323
324static char *cpu_model(void)
325{
326 static char cpu_m[255];
327 char buf[256];
328 FILE *file;
329
330 cpu_m[0] = 0;
331 /* CPU type */
332 file = fopen("/proc/cpuinfo", "r");
333 if (file) {
334 while (fgets(buf, 255, file)) {
335 if (strcasestr(buf, "model name")) {
336 strlcpy(cpu_m, &buf[13], 255);
337 break;
338 }
339 }
340 fclose(file);
341 }
342
343 /* CPU type */
344 file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r");
345 if (file) {
346 while (fgets(buf, 255, file)) {
347 unsigned int freq;
348 freq = strtoull(buf, NULL, 10);
349 if (freq > max_freq)
350 max_freq = freq;
351 }
352 fclose(file);
353 }
354 return cpu_m;
355}
356
357void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)
358{
359 char cpu_string[80];
360 if (!svgfile)
361 return;
362
363 max_freq = __max_freq;
364 turbo_frequency = __turbo_freq;
365
366 fprintf(svgfile, "<g>\n");
367
368 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"cpu\"/>\n",
369 time2pixels(first_time),
370 time2pixels(last_time)-time2pixels(first_time),
371 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
372
373 sprintf(cpu_string, "CPU %i", (int)cpu);
374 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n",
375 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
376
377 fprintf(svgfile, "<text transform=\"translate(%.8f,%.8f)\" font-size=\"1.25pt\">%s</text>\n",
378 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
379
380 fprintf(svgfile, "</g>\n");
381}
382
383void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace)
384{
385 double width;
386 const char *type;
387
388 if (!svgfile)
389 return;
390
391 if (svg_highlight && end - start >= svg_highlight)
392 type = "sample_hi";
393 else if (svg_highlight_name && strstr(name, svg_highlight_name))
394 type = "sample_hi";
395 else
396 type = "sample";
397
398 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), cpu2y(cpu));
399 fprintf(svgfile, "<title>%d %s running %s</title>\n", pid, name, time_to_string(end - start));
400 if (backtrace)
401 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
402 fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
403 time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type);
404 width = time2pixels(end)-time2pixels(start);
405 if (width > 6)
406 width = 6;
407
408 width = round_text_size(width);
409
410 if (width > MIN_TEXT_SIZE)
411 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\">%s</text>\n",
412 width, name);
413
414 fprintf(svgfile, "</g>\n");
415}
416
417void svg_cstate(int cpu, u64 start, u64 end, int type)
418{
419 double width;
420 char style[128];
421
422 if (!svgfile)
423 return;
424
425
426 fprintf(svgfile, "<g>\n");
427
428 if (type > 6)
429 type = 6;
430 sprintf(style, "c%i", type);
431
432 fprintf(svgfile, "<rect class=\"%s\" x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\"/>\n",
433 style,
434 time2pixels(start), time2pixels(end)-time2pixels(start),
435 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
436
437 width = (time2pixels(end)-time2pixels(start))/2.0;
438 if (width > 6)
439 width = 6;
440
441 width = round_text_size(width);
442
443 if (width > MIN_TEXT_SIZE)
444 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">C%i</text>\n",
445 time2pixels(start), cpu2y(cpu)+width, width, type);
446
447 fprintf(svgfile, "</g>\n");
448}
449
450static char *HzToHuman(unsigned long hz)
451{
452 static char buffer[1024];
453 unsigned long long Hz;
454
455 memset(buffer, 0, 1024);
456
457 Hz = hz;
458
459 /* default: just put the Number in */
460 sprintf(buffer, "%9lli", Hz);
461
462 if (Hz > 1000)
463 sprintf(buffer, " %6lli Mhz", (Hz+500)/1000);
464
465 if (Hz > 1500000)
466 sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000);
467
468 if (Hz == turbo_frequency)
469 sprintf(buffer, "Turbo");
470
471 return buffer;
472}
473
474void svg_pstate(int cpu, u64 start, u64 end, u64 freq)
475{
476 double height = 0;
477
478 if (!svgfile)
479 return;
480
481 fprintf(svgfile, "<g>\n");
482
483 if (max_freq)
484 height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT);
485 height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height;
486 fprintf(svgfile, "<line x1=\"%.8f\" x2=\"%.8f\" y1=\"%.1f\" y2=\"%.1f\" class=\"pstate\"/>\n",
487 time2pixels(start), time2pixels(end), height, height);
488 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"0.25pt\">%s</text>\n",
489 time2pixels(start), height+0.9, HzToHuman(freq));
490
491 fprintf(svgfile, "</g>\n");
492}
493
494
495void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace)
496{
497 double height;
498
499 if (!svgfile)
500 return;
501
502
503 fprintf(svgfile, "<g>\n");
504
505 fprintf(svgfile, "<title>%s wakes up %s</title>\n",
506 desc1 ? desc1 : "?",
507 desc2 ? desc2 : "?");
508
509 if (backtrace)
510 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
511
512 if (row1 < row2) {
513 if (row1) {
514 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
515 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
516 if (desc2)
517 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
518 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2);
519 }
520 if (row2) {
521 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
522 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row2 * SLOT_MULT);
523 if (desc1)
524 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
525 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1);
526 }
527 } else {
528 if (row2) {
529 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
530 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
531 if (desc1)
532 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
533 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1);
534 }
535 if (row1) {
536 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
537 time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row1 * SLOT_MULT);
538 if (desc2)
539 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
540 time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2);
541 }
542 }
543 height = row1 * SLOT_MULT;
544 if (row2 > row1)
545 height += SLOT_HEIGHT;
546 if (row1)
547 fprintf(svgfile, "<circle cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n",
548 time2pixels(start), height);
549
550 fprintf(svgfile, "</g>\n");
551}
552
553void svg_wakeline(u64 start, int row1, int row2, const char *backtrace)
554{
555 double height;
556
557 if (!svgfile)
558 return;
559
560
561 fprintf(svgfile, "<g>\n");
562
563 if (backtrace)
564 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
565
566 if (row1 < row2)
567 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
568 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT);
569 else
570 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
571 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT);
572
573 height = row1 * SLOT_MULT;
574 if (row2 > row1)
575 height += SLOT_HEIGHT;
576 fprintf(svgfile, "<circle cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n",
577 time2pixels(start), height);
578
579 fprintf(svgfile, "</g>\n");
580}
581
582void svg_interrupt(u64 start, int row, const char *backtrace)
583{
584 if (!svgfile)
585 return;
586
587 fprintf(svgfile, "<g>\n");
588
589 fprintf(svgfile, "<title>Wakeup from interrupt</title>\n");
590
591 if (backtrace)
592 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
593
594 fprintf(svgfile, "<circle cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n",
595 time2pixels(start), row * SLOT_MULT);
596 fprintf(svgfile, "<circle cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n",
597 time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT);
598
599 fprintf(svgfile, "</g>\n");
600}
601
602void svg_text(int Yslot, u64 start, const char *text)
603{
604 if (!svgfile)
605 return;
606
607 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n",
608 time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text);
609}
610
611static void svg_legenda_box(int X, const char *text, const char *style)
612{
613 double boxsize;
614 boxsize = SLOT_HEIGHT / 2;
615
616 fprintf(svgfile, "<rect x=\"%i\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
617 X, boxsize, boxsize, style);
618 fprintf(svgfile, "<text transform=\"translate(%.8f, %.8f)\" font-size=\"%.8fpt\">%s</text>\n",
619 X + boxsize + 5, boxsize, 0.8 * boxsize, text);
620}
621
622void svg_io_legenda(void)
623{
624 if (!svgfile)
625 return;
626
627 fprintf(svgfile, "<g>\n");
628 svg_legenda_box(0, "Disk", "disk");
629 svg_legenda_box(100, "Network", "net");
630 svg_legenda_box(200, "Sync", "sync");
631 svg_legenda_box(300, "Poll", "poll");
632 svg_legenda_box(400, "Error", "error");
633 fprintf(svgfile, "</g>\n");
634}
635
636void svg_legenda(void)
637{
638 if (!svgfile)
639 return;
640
641 fprintf(svgfile, "<g>\n");
642 svg_legenda_box(0, "Running", "sample");
643 svg_legenda_box(100, "Idle","c1");
644 svg_legenda_box(200, "Deeper Idle", "c3");
645 svg_legenda_box(350, "Deepest Idle", "c6");
646 svg_legenda_box(550, "Sleeping", "process2");
647 svg_legenda_box(650, "Waiting for cpu", "waiting");
648 svg_legenda_box(800, "Blocked on IO", "blocked");
649 fprintf(svgfile, "</g>\n");
650}
651
652void svg_time_grid(double min_thickness)
653{
654 u64 i;
655
656 if (!svgfile)
657 return;
658
659 i = first_time;
660 while (i < last_time) {
661 int color = 220;
662 double thickness = 0.075;
663 if ((i % 100000000) == 0) {
664 thickness = 0.5;
665 color = 192;
666 }
667 if ((i % 1000000000) == 0) {
668 thickness = 2.0;
669 color = 128;
670 }
671
672 if (thickness >= min_thickness)
673 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%" PRIu64 "\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%.3f\"/>\n",
674 time2pixels(i), SLOT_MULT/2, time2pixels(i),
675 total_height, color, color, color, thickness);
676
677 i += 10000000;
678 }
679}
680
681void svg_close(void)
682{
683 if (svgfile) {
684 fprintf(svgfile, "</svg>\n");
685 fclose(svgfile);
686 svgfile = NULL;
687 }
688}
689
690#define cpumask_bits(maskp) ((maskp)->bits)
691typedef struct { DECLARE_BITMAP(bits, MAX_NR_CPUS); } cpumask_t;
692
693struct topology {
694 cpumask_t *sib_core;
695 int sib_core_nr;
696 cpumask_t *sib_thr;
697 int sib_thr_nr;
698};
699
700static void scan_thread_topology(int *map, struct topology *t, int cpu,
701 int *pos, int nr_cpus)
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, cpumask_bits(&t->sib_thr[i]), nr_cpus)
711 if (map[thr] == -1)
712 map[thr] = (*pos)++;
713 }
714}
715
716static void scan_core_topology(int *map, struct topology *t, int nr_cpus)
717{
718 int pos = 0;
719 int i;
720 int cpu;
721
722 for (i = 0; i < t->sib_core_nr; i++)
723 for_each_set_bit(cpu, cpumask_bits(&t->sib_core[i]), nr_cpus)
724 scan_thread_topology(map, t, cpu, &pos, nr_cpus);
725}
726
727static int str_to_bitmap(char *s, cpumask_t *b, int nr_cpus)
728{
729 int idx, ret = 0;
730 struct perf_cpu_map *map;
731 struct perf_cpu cpu;
732
733 map = perf_cpu_map__new(s);
734 if (!map)
735 return -1;
736
737 perf_cpu_map__for_each_cpu(cpu, idx, map) {
738 if (cpu.cpu >= nr_cpus) {
739 ret = -1;
740 break;
741 }
742
743 __set_bit(cpu.cpu, cpumask_bits(b));
744 }
745
746 perf_cpu_map__put(map);
747
748 return ret;
749}
750
751int svg_build_topology_map(struct perf_env *env)
752{
753 int i, nr_cpus;
754 struct topology t;
755 char *sib_core, *sib_thr;
756 int ret = -1;
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 ret = 0;
803
804exit:
805 zfree(&t.sib_core);
806 zfree(&t.sib_thr);
807
808 return ret;
809}
Linux 6.x block layer and io_uring tree(s)