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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 ></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 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 struct perf_cpu c;
732
733 m = perf_cpu_map__new(s);
734 if (!m)
735 return -1;
736
737 for (i = 0; i < perf_cpu_map__nr(m); i++) {
738 c = perf_cpu_map__cpu(m, i);
739 if (c.cpu >= nr_cpus) {
740 ret = -1;
741 break;
742 }
743
744 __set_bit(c.cpu, 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}
1/*
2 * svghelper.c - helper functions for outputting svg
3 *
4 * (C) Copyright 2009 Intel Corporation
5 *
6 * Authors:
7 * Arjan van de Ven <arjan@linux.intel.com>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; version 2
12 * of the License.
13 */
14
15#include <inttypes.h>
16#include <stdio.h>
17#include <stdlib.h>
18#include <unistd.h>
19#include <string.h>
20#include <linux/bitops.h>
21
22#include "perf.h"
23#include "svghelper.h"
24#include "util.h"
25#include "cpumap.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
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.sample { fill:rgb( 0, 0,255); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
118 fprintf(svgfile, " rect.sample_hi{ fill:rgb(255,128, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
119 fprintf(svgfile, " rect.blocked { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
120 fprintf(svgfile, " rect.waiting { fill:rgb(224,214, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
121 fprintf(svgfile, " rect.WAITING { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
122 fprintf(svgfile, " rect.cpu { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n");
123 fprintf(svgfile, " rect.pstate { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n");
124 fprintf(svgfile, " rect.c1 { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n");
125 fprintf(svgfile, " rect.c2 { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n");
126 fprintf(svgfile, " rect.c3 { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n");
127 fprintf(svgfile, " rect.c4 { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n");
128 fprintf(svgfile, " rect.c5 { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n");
129 fprintf(svgfile, " rect.c6 { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; } \n");
130 fprintf(svgfile, " line.pstate { stroke:rgb(255,255, 0); stroke-opacity:0.8; stroke-width:2; } \n");
131
132 fprintf(svgfile, " ]]>\n </style>\n</defs>\n");
133}
134
135void svg_box(int Yslot, u64 start, u64 end, const char *type)
136{
137 if (!svgfile)
138 return;
139
140 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n",
141 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);
142}
143
144static char *time_to_string(u64 duration);
145void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
146{
147 if (!svgfile)
148 return;
149
150 fprintf(svgfile, "<g>\n");
151 fprintf(svgfile, "<title>#%d blocked %s</title>\n", cpu,
152 time_to_string(end - start));
153 if (backtrace)
154 fprintf(svgfile, "<desc>Blocked on:\n%s</desc>\n", backtrace);
155 svg_box(Yslot, start, end, "blocked");
156 fprintf(svgfile, "</g>\n");
157}
158
159void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
160{
161 double text_size;
162 const char *type;
163
164 if (!svgfile)
165 return;
166
167 if (svg_highlight && end - start > svg_highlight)
168 type = "sample_hi";
169 else
170 type = "sample";
171 fprintf(svgfile, "<g>\n");
172
173 fprintf(svgfile, "<title>#%d running %s</title>\n",
174 cpu, time_to_string(end - start));
175 if (backtrace)
176 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
177 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n",
178 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT,
179 type);
180
181 text_size = (time2pixels(end)-time2pixels(start));
182 if (cpu > 9)
183 text_size = text_size/2;
184 if (text_size > 1.25)
185 text_size = 1.25;
186 text_size = round_text_size(text_size);
187
188 if (text_size > MIN_TEXT_SIZE)
189 fprintf(svgfile, "<text x=\"%1.8f\" y=\"%1.8f\" font-size=\"%1.8fpt\">%i</text>\n",
190 time2pixels(start), Yslot * SLOT_MULT + SLOT_HEIGHT - 1, text_size, cpu + 1);
191
192 fprintf(svgfile, "</g>\n");
193}
194
195static char *time_to_string(u64 duration)
196{
197 static char text[80];
198
199 text[0] = 0;
200
201 if (duration < 1000) /* less than 1 usec */
202 return text;
203
204 if (duration < 1000 * 1000) { /* less than 1 msec */
205 sprintf(text, "%4.1f us", duration / 1000.0);
206 return text;
207 }
208 sprintf(text, "%4.1f ms", duration / 1000.0 / 1000);
209
210 return text;
211}
212
213void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
214{
215 char *text;
216 const char *style;
217 double font_size;
218
219 if (!svgfile)
220 return;
221
222 style = "waiting";
223
224 if (end-start > 10 * 1000000) /* 10 msec */
225 style = "WAITING";
226
227 text = time_to_string(end-start);
228
229 font_size = 1.0 * (time2pixels(end)-time2pixels(start));
230
231 if (font_size > 3)
232 font_size = 3;
233
234 font_size = round_text_size(font_size);
235
236 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT);
237 fprintf(svgfile, "<title>#%d waiting %s</title>\n", cpu, time_to_string(end - start));
238 if (backtrace)
239 fprintf(svgfile, "<desc>Waiting on:\n%s</desc>\n", backtrace);
240 fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
241 time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style);
242 if (font_size > MIN_TEXT_SIZE)
243 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%1.8fpt\"> %s</text>\n",
244 font_size, text);
245 fprintf(svgfile, "</g>\n");
246}
247
248static char *cpu_model(void)
249{
250 static char cpu_m[255];
251 char buf[256];
252 FILE *file;
253
254 cpu_m[0] = 0;
255 /* CPU type */
256 file = fopen("/proc/cpuinfo", "r");
257 if (file) {
258 while (fgets(buf, 255, file)) {
259 if (strstr(buf, "model name")) {
260 strncpy(cpu_m, &buf[13], 255);
261 break;
262 }
263 }
264 fclose(file);
265 }
266
267 /* CPU type */
268 file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r");
269 if (file) {
270 while (fgets(buf, 255, file)) {
271 unsigned int freq;
272 freq = strtoull(buf, NULL, 10);
273 if (freq > max_freq)
274 max_freq = freq;
275 }
276 fclose(file);
277 }
278 return cpu_m;
279}
280
281void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)
282{
283 char cpu_string[80];
284 if (!svgfile)
285 return;
286
287 max_freq = __max_freq;
288 turbo_frequency = __turbo_freq;
289
290 fprintf(svgfile, "<g>\n");
291
292 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"cpu\"/>\n",
293 time2pixels(first_time),
294 time2pixels(last_time)-time2pixels(first_time),
295 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
296
297 sprintf(cpu_string, "CPU %i", (int)cpu);
298 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n",
299 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
300
301 fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\" font-size=\"1.25pt\">%s</text>\n",
302 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
303
304 fprintf(svgfile, "</g>\n");
305}
306
307void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace)
308{
309 double width;
310 const char *type;
311
312 if (!svgfile)
313 return;
314
315 if (svg_highlight && end - start >= svg_highlight)
316 type = "sample_hi";
317 else if (svg_highlight_name && strstr(name, svg_highlight_name))
318 type = "sample_hi";
319 else
320 type = "sample";
321
322 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), cpu2y(cpu));
323 fprintf(svgfile, "<title>%d %s running %s</title>\n", pid, name, time_to_string(end - start));
324 if (backtrace)
325 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
326 fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
327 time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type);
328 width = time2pixels(end)-time2pixels(start);
329 if (width > 6)
330 width = 6;
331
332 width = round_text_size(width);
333
334 if (width > MIN_TEXT_SIZE)
335 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%3.8fpt\">%s</text>\n",
336 width, name);
337
338 fprintf(svgfile, "</g>\n");
339}
340
341void svg_cstate(int cpu, u64 start, u64 end, int type)
342{
343 double width;
344 char style[128];
345
346 if (!svgfile)
347 return;
348
349
350 fprintf(svgfile, "<g>\n");
351
352 if (type > 6)
353 type = 6;
354 sprintf(style, "c%i", type);
355
356 fprintf(svgfile, "<rect class=\"%s\" x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\"/>\n",
357 style,
358 time2pixels(start), time2pixels(end)-time2pixels(start),
359 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
360
361 width = (time2pixels(end)-time2pixels(start))/2.0;
362 if (width > 6)
363 width = 6;
364
365 width = round_text_size(width);
366
367 if (width > MIN_TEXT_SIZE)
368 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"%3.8fpt\">C%i</text>\n",
369 time2pixels(start), cpu2y(cpu)+width, width, type);
370
371 fprintf(svgfile, "</g>\n");
372}
373
374static char *HzToHuman(unsigned long hz)
375{
376 static char buffer[1024];
377 unsigned long long Hz;
378
379 memset(buffer, 0, 1024);
380
381 Hz = hz;
382
383 /* default: just put the Number in */
384 sprintf(buffer, "%9lli", Hz);
385
386 if (Hz > 1000)
387 sprintf(buffer, " %6lli Mhz", (Hz+500)/1000);
388
389 if (Hz > 1500000)
390 sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000);
391
392 if (Hz == turbo_frequency)
393 sprintf(buffer, "Turbo");
394
395 return buffer;
396}
397
398void svg_pstate(int cpu, u64 start, u64 end, u64 freq)
399{
400 double height = 0;
401
402 if (!svgfile)
403 return;
404
405 fprintf(svgfile, "<g>\n");
406
407 if (max_freq)
408 height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT);
409 height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height;
410 fprintf(svgfile, "<line x1=\"%4.8f\" x2=\"%4.8f\" y1=\"%4.1f\" y2=\"%4.1f\" class=\"pstate\"/>\n",
411 time2pixels(start), time2pixels(end), height, height);
412 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"0.25pt\">%s</text>\n",
413 time2pixels(start), height+0.9, HzToHuman(freq));
414
415 fprintf(svgfile, "</g>\n");
416}
417
418
419void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace)
420{
421 double height;
422
423 if (!svgfile)
424 return;
425
426
427 fprintf(svgfile, "<g>\n");
428
429 fprintf(svgfile, "<title>%s wakes up %s</title>\n",
430 desc1 ? desc1 : "?",
431 desc2 ? desc2 : "?");
432
433 if (backtrace)
434 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
435
436 if (row1 < row2) {
437 if (row1) {
438 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
439 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
440 if (desc2)
441 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n",
442 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2);
443 }
444 if (row2) {
445 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
446 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row2 * SLOT_MULT);
447 if (desc1)
448 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n",
449 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1);
450 }
451 } else {
452 if (row2) {
453 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
454 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
455 if (desc1)
456 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n",
457 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1);
458 }
459 if (row1) {
460 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
461 time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row1 * SLOT_MULT);
462 if (desc2)
463 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n",
464 time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2);
465 }
466 }
467 height = row1 * SLOT_MULT;
468 if (row2 > row1)
469 height += SLOT_HEIGHT;
470 if (row1)
471 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n",
472 time2pixels(start), height);
473
474 fprintf(svgfile, "</g>\n");
475}
476
477void svg_wakeline(u64 start, int row1, int row2, const char *backtrace)
478{
479 double height;
480
481 if (!svgfile)
482 return;
483
484
485 fprintf(svgfile, "<g>\n");
486
487 if (backtrace)
488 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
489
490 if (row1 < row2)
491 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
492 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT);
493 else
494 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
495 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT);
496
497 height = row1 * SLOT_MULT;
498 if (row2 > row1)
499 height += SLOT_HEIGHT;
500 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n",
501 time2pixels(start), height);
502
503 fprintf(svgfile, "</g>\n");
504}
505
506void svg_interrupt(u64 start, int row, const char *backtrace)
507{
508 if (!svgfile)
509 return;
510
511 fprintf(svgfile, "<g>\n");
512
513 fprintf(svgfile, "<title>Wakeup from interrupt</title>\n");
514
515 if (backtrace)
516 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
517
518 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n",
519 time2pixels(start), row * SLOT_MULT);
520 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n",
521 time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT);
522
523 fprintf(svgfile, "</g>\n");
524}
525
526void svg_text(int Yslot, u64 start, const char *text)
527{
528 if (!svgfile)
529 return;
530
531 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n",
532 time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text);
533}
534
535static void svg_legenda_box(int X, const char *text, const char *style)
536{
537 double boxsize;
538 boxsize = SLOT_HEIGHT / 2;
539
540 fprintf(svgfile, "<rect x=\"%i\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
541 X, boxsize, boxsize, style);
542 fprintf(svgfile, "<text transform=\"translate(%4.8f, %4.8f)\" font-size=\"%4.8fpt\">%s</text>\n",
543 X + boxsize + 5, boxsize, 0.8 * boxsize, text);
544}
545
546void svg_legenda(void)
547{
548 if (!svgfile)
549 return;
550
551 fprintf(svgfile, "<g>\n");
552 svg_legenda_box(0, "Running", "sample");
553 svg_legenda_box(100, "Idle","c1");
554 svg_legenda_box(200, "Deeper Idle", "c3");
555 svg_legenda_box(350, "Deepest Idle", "c6");
556 svg_legenda_box(550, "Sleeping", "process2");
557 svg_legenda_box(650, "Waiting for cpu", "waiting");
558 svg_legenda_box(800, "Blocked on IO", "blocked");
559 fprintf(svgfile, "</g>\n");
560}
561
562void svg_time_grid(void)
563{
564 u64 i;
565
566 if (!svgfile)
567 return;
568
569 i = first_time;
570 while (i < last_time) {
571 int color = 220;
572 double thickness = 0.075;
573 if ((i % 100000000) == 0) {
574 thickness = 0.5;
575 color = 192;
576 }
577 if ((i % 1000000000) == 0) {
578 thickness = 2.0;
579 color = 128;
580 }
581
582 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%" PRIu64 "\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%1.3f\"/>\n",
583 time2pixels(i), SLOT_MULT/2, time2pixels(i), total_height, color, color, color, thickness);
584
585 i += 10000000;
586 }
587}
588
589void svg_close(void)
590{
591 if (svgfile) {
592 fprintf(svgfile, "</svg>\n");
593 fclose(svgfile);
594 svgfile = NULL;
595 }
596}
597
598#define cpumask_bits(maskp) ((maskp)->bits)
599typedef struct { DECLARE_BITMAP(bits, MAX_NR_CPUS); } cpumask_t;
600
601struct topology {
602 cpumask_t *sib_core;
603 int sib_core_nr;
604 cpumask_t *sib_thr;
605 int sib_thr_nr;
606};
607
608static void scan_thread_topology(int *map, struct topology *t, int cpu, int *pos)
609{
610 int i;
611 int thr;
612
613 for (i = 0; i < t->sib_thr_nr; i++) {
614 if (!test_bit(cpu, cpumask_bits(&t->sib_thr[i])))
615 continue;
616
617 for_each_set_bit(thr,
618 cpumask_bits(&t->sib_thr[i]),
619 MAX_NR_CPUS)
620 if (map[thr] == -1)
621 map[thr] = (*pos)++;
622 }
623}
624
625static void scan_core_topology(int *map, struct topology *t)
626{
627 int pos = 0;
628 int i;
629 int cpu;
630
631 for (i = 0; i < t->sib_core_nr; i++)
632 for_each_set_bit(cpu,
633 cpumask_bits(&t->sib_core[i]),
634 MAX_NR_CPUS)
635 scan_thread_topology(map, t, cpu, &pos);
636}
637
638static int str_to_bitmap(char *s, cpumask_t *b)
639{
640 int i;
641 int ret = 0;
642 struct cpu_map *m;
643 int c;
644
645 m = cpu_map__new(s);
646 if (!m)
647 return -1;
648
649 for (i = 0; i < m->nr; i++) {
650 c = m->map[i];
651 if (c >= MAX_NR_CPUS) {
652 ret = -1;
653 break;
654 }
655
656 set_bit(c, cpumask_bits(b));
657 }
658
659 cpu_map__delete(m);
660
661 return ret;
662}
663
664int svg_build_topology_map(char *sib_core, int sib_core_nr,
665 char *sib_thr, int sib_thr_nr)
666{
667 int i;
668 struct topology t;
669
670 t.sib_core_nr = sib_core_nr;
671 t.sib_thr_nr = sib_thr_nr;
672 t.sib_core = calloc(sib_core_nr, sizeof(cpumask_t));
673 t.sib_thr = calloc(sib_thr_nr, sizeof(cpumask_t));
674
675 if (!t.sib_core || !t.sib_thr) {
676 fprintf(stderr, "topology: no memory\n");
677 goto exit;
678 }
679
680 for (i = 0; i < sib_core_nr; i++) {
681 if (str_to_bitmap(sib_core, &t.sib_core[i])) {
682 fprintf(stderr, "topology: can't parse siblings map\n");
683 goto exit;
684 }
685
686 sib_core += strlen(sib_core) + 1;
687 }
688
689 for (i = 0; i < sib_thr_nr; i++) {
690 if (str_to_bitmap(sib_thr, &t.sib_thr[i])) {
691 fprintf(stderr, "topology: can't parse siblings map\n");
692 goto exit;
693 }
694
695 sib_thr += strlen(sib_thr) + 1;
696 }
697
698 topology_map = malloc(sizeof(int) * MAX_NR_CPUS);
699 if (!topology_map) {
700 fprintf(stderr, "topology: no memory\n");
701 goto exit;
702 }
703
704 for (i = 0; i < MAX_NR_CPUS; i++)
705 topology_map[i] = -1;
706
707 scan_core_topology(topology_map, &t);
708
709 return 0;
710
711exit:
712 zfree(&t.sib_core);
713 zfree(&t.sib_thr);
714
715 return -1;
716}