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