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Linux 5.1.15
[linux/fpc-iii.git] / tools / perf / util / svghelper.c
blobf735ee038713a44fec3e270315b78d97173dd6da
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/bitmap.h>
21 #include <linux/time64.h>
22
23 #include "perf.h"
24 #include "svghelper.h"
25 #include "util.h"
26 #include "cpumap.h"
27
28 static u64 first_time, last_time;
29 static u64 turbo_frequency, max_freq;
30
31
32 #define SLOT_MULT 30.0
33 #define SLOT_HEIGHT 25.0
34 #define SLOT_HALF (SLOT_HEIGHT / 2)
35
36 int svg_page_width = 1000;
37 u64 svg_highlight;
38 const char *svg_highlight_name;
39
40 #define MIN_TEXT_SIZE 0.01
41
42 static u64 total_height;
43 static FILE *svgfile;
44
45 static double cpu2slot(int cpu)
46 {
47 return 2 * cpu + 1;
48 }
49
50 static int *topology_map;
51
52 static double cpu2y(int cpu)
53 {
54 if (topology_map)
55 return cpu2slot(topology_map[cpu]) * SLOT_MULT;
56 else
57 return cpu2slot(cpu) * SLOT_MULT;
58 }
59
60 static double time2pixels(u64 __time)
61 {
62 double X;
63
64 X = 1.0 * svg_page_width * (__time - first_time) / (last_time - first_time);
65 return X;
66 }
67
68 /*
69 * Round text sizes so that the svg viewer only needs a discrete
70 * number of renderings of the font
71 */
72 static double round_text_size(double size)
73 {
74 int loop = 100;
75 double target = 10.0;
76
77 if (size >= 10.0)
78 return size;
79 while (loop--) {
80 if (size >= target)
81 return target;
82 target = target / 2.0;
83 }
84 return size;
85 }
86
87 void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end)
88 {
89 int new_width;
90
91 svgfile = fopen(filename, "w");
92 if (!svgfile) {
93 fprintf(stderr, "Cannot open %s for output\n", filename);
94 return;
95 }
96 first_time = start;
97 first_time = first_time / 100000000 * 100000000;
98 last_time = end;
99
100 /*
101 * if the recording is short, we default to a width of 1000, but
102 * for longer recordings we want at least 200 units of width per second
103 */
104 new_width = (last_time - first_time) / 5000000;
105
106 if (new_width > svg_page_width)
107 svg_page_width = new_width;
108
109 total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT;
110 fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n");
111 fprintf(svgfile, "<!DOCTYPE svg SYSTEM \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
112 fprintf(svgfile, "<svg width=\"%i\" height=\"%" PRIu64 "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height);
113
114 fprintf(svgfile, "<defs>\n <style type=\"text/css\">\n <![CDATA[\n");
115
116 fprintf(svgfile, " rect { stroke-width: 1; }\n");
117 fprintf(svgfile, " rect.process { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1; stroke:rgb( 0, 0, 0); } \n");
118 fprintf(svgfile, " rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
119 fprintf(svgfile, " rect.process3 { fill:rgb(180,180,180); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
120 fprintf(svgfile, " rect.sample { fill:rgb( 0, 0,255); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
121 fprintf(svgfile, " rect.sample_hi{ fill:rgb(255,128, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
122 fprintf(svgfile, " rect.error { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
123 fprintf(svgfile, " rect.net { fill:rgb( 0,128, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
124 fprintf(svgfile, " rect.disk { fill:rgb( 0, 0,255); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
125 fprintf(svgfile, " rect.sync { fill:rgb(128,128, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
126 fprintf(svgfile, " rect.poll { fill:rgb( 0,128,128); fill-opacity:0.2; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
127 fprintf(svgfile, " rect.blocked { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
128 fprintf(svgfile, " rect.waiting { fill:rgb(224,214, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
129 fprintf(svgfile, " rect.WAITING { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
130 fprintf(svgfile, " rect.cpu { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n");
131 fprintf(svgfile, " rect.pstate { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n");
132 fprintf(svgfile, " rect.c1 { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n");
133 fprintf(svgfile, " rect.c2 { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n");
134 fprintf(svgfile, " rect.c3 { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n");
135 fprintf(svgfile, " rect.c4 { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n");
136 fprintf(svgfile, " rect.c5 { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n");
137 fprintf(svgfile, " rect.c6 { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; } \n");
138 fprintf(svgfile, " line.pstate { stroke:rgb(255,255, 0); stroke-opacity:0.8; stroke-width:2; } \n");
139
140 fprintf(svgfile, " ]]>\n </style>\n</defs>\n");
141 }
142
143 static double normalize_height(double height)
144 {
145 if (height < 0.25)
146 return 0.25;
147 else if (height < 0.50)
148 return 0.50;
149 else if (height < 0.75)
150 return 0.75;
151 else
152 return 0.100;
153 }
154
155 void svg_ubox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
156 {
157 double w = time2pixels(end) - time2pixels(start);
158 height = normalize_height(height);
159
160 if (!svgfile)
161 return;
162
163 fprintf(svgfile, "<g>\n");
164 fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
165 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
166 time2pixels(start),
167 w,
168 Yslot * SLOT_MULT,
169 SLOT_HALF * height,
170 type);
171 fprintf(svgfile, "</g>\n");
172 }
173
174 void svg_lbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
175 {
176 double w = time2pixels(end) - time2pixels(start);
177 height = normalize_height(height);
178
179 if (!svgfile)
180 return;
181
182 fprintf(svgfile, "<g>\n");
183 fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
184 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
185 time2pixels(start),
186 w,
187 Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HALF * height,
188 SLOT_HALF * height,
189 type);
190 fprintf(svgfile, "</g>\n");
191 }
192
193 void svg_fbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
194 {
195 double w = time2pixels(end) - time2pixels(start);
196 height = normalize_height(height);
197
198 if (!svgfile)
199 return;
200
201 fprintf(svgfile, "<g>\n");
202 fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
203 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
204 time2pixels(start),
205 w,
206 Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HEIGHT * height,
207 SLOT_HEIGHT * height,
208 type);
209 fprintf(svgfile, "</g>\n");
210 }
211
212 void svg_box(int Yslot, u64 start, u64 end, const char *type)
213 {
214 if (!svgfile)
215 return;
216
217 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
218 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);
219 }
220
221 static char *time_to_string(u64 duration);
222 void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
223 {
224 if (!svgfile)
225 return;
226
227 fprintf(svgfile, "<g>\n");
228 fprintf(svgfile, "<title>#%d blocked %s</title>\n", cpu,
229 time_to_string(end - start));
230 if (backtrace)
231 fprintf(svgfile, "<desc>Blocked on:\n%s</desc>\n", backtrace);
232 svg_box(Yslot, start, end, "blocked");
233 fprintf(svgfile, "</g>\n");
234 }
235
236 void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
237 {
238 double text_size;
239 const char *type;
240
241 if (!svgfile)
242 return;
243
244 if (svg_highlight && end - start > svg_highlight)
245 type = "sample_hi";
246 else
247 type = "sample";
248 fprintf(svgfile, "<g>\n");
249
250 fprintf(svgfile, "<title>#%d running %s</title>\n",
251 cpu, time_to_string(end - start));
252 if (backtrace)
253 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
254 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
255 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT,
256 type);
257
258 text_size = (time2pixels(end)-time2pixels(start));
259 if (cpu > 9)
260 text_size = text_size/2;
261 if (text_size > 1.25)
262 text_size = 1.25;
263 text_size = round_text_size(text_size);
264
265 if (text_size > MIN_TEXT_SIZE)
266 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">%i</text>\n",
267 time2pixels(start), Yslot * SLOT_MULT + SLOT_HEIGHT - 1, text_size, cpu + 1);
268
269 fprintf(svgfile, "</g>\n");
270 }
271
272 static char *time_to_string(u64 duration)
273 {
274 static char text[80];
275
276 text[0] = 0;
277
278 if (duration < NSEC_PER_USEC) /* less than 1 usec */
279 return text;
280
281 if (duration < NSEC_PER_MSEC) { /* less than 1 msec */
282 sprintf(text, "%.1f us", duration / (double)NSEC_PER_USEC);
283 return text;
284 }
285 sprintf(text, "%.1f ms", duration / (double)NSEC_PER_MSEC);
286
287 return text;
288 }
289
290 void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
291 {
292 char *text;
293 const char *style;
294 double font_size;
295
296 if (!svgfile)
297 return;
298
299 style = "waiting";
300
301 if (end-start > 10 * NSEC_PER_MSEC) /* 10 msec */
302 style = "WAITING";
303
304 text = time_to_string(end-start);
305
306 font_size = 1.0 * (time2pixels(end)-time2pixels(start));
307
308 if (font_size > 3)
309 font_size = 3;
310
311 font_size = round_text_size(font_size);
312
313 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT);
314 fprintf(svgfile, "<title>#%d waiting %s</title>\n", cpu, time_to_string(end - start));
315 if (backtrace)
316 fprintf(svgfile, "<desc>Waiting on:\n%s</desc>\n", backtrace);
317 fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
318 time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style);
319 if (font_size > MIN_TEXT_SIZE)
320 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\"> %s</text>\n",
321 font_size, text);
322 fprintf(svgfile, "</g>\n");
323 }
324
325 static char *cpu_model(void)
326 {
327 static char cpu_m[255];
328 char buf[256];
329 FILE *file;
330
331 cpu_m[0] = 0;
332 /* CPU type */
333 file = fopen("/proc/cpuinfo", "r");
334 if (file) {
335 while (fgets(buf, 255, file)) {
336 if (strstr(buf, "model name")) {
337 strlcpy(cpu_m, &buf[13], 255);
338 break;
339 }
340 }
341 fclose(file);
342 }
343
344 /* CPU type */
345 file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r");
346 if (file) {
347 while (fgets(buf, 255, file)) {
348 unsigned int freq;
349 freq = strtoull(buf, NULL, 10);
350 if (freq > max_freq)
351 max_freq = freq;
352 }
353 fclose(file);
354 }
355 return cpu_m;
356 }
357
358 void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)
359 {
360 char cpu_string[80];
361 if (!svgfile)
362 return;
363
364 max_freq = __max_freq;
365 turbo_frequency = __turbo_freq;
366
367 fprintf(svgfile, "<g>\n");
368
369 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"cpu\"/>\n",
370 time2pixels(first_time),
371 time2pixels(last_time)-time2pixels(first_time),
372 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
373
374 sprintf(cpu_string, "CPU %i", (int)cpu);
375 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n",
376 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
377
378 fprintf(svgfile, "<text transform=\"translate(%.8f,%.8f)\" font-size=\"1.25pt\">%s</text>\n",
379 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
380
381 fprintf(svgfile, "</g>\n");
382 }
383
384 void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace)
385 {
386 double width;
387 const char *type;
388
389 if (!svgfile)
390 return;
391
392 if (svg_highlight && end - start >= svg_highlight)
393 type = "sample_hi";
394 else if (svg_highlight_name && strstr(name, svg_highlight_name))
395 type = "sample_hi";
396 else
397 type = "sample";
398
399 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), cpu2y(cpu));
400 fprintf(svgfile, "<title>%d %s running %s</title>\n", pid, name, time_to_string(end - start));
401 if (backtrace)
402 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
403 fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
404 time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type);
405 width = time2pixels(end)-time2pixels(start);
406 if (width > 6)
407 width = 6;
408
409 width = round_text_size(width);
410
411 if (width > MIN_TEXT_SIZE)
412 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\">%s</text>\n",
413 width, name);
414
415 fprintf(svgfile, "</g>\n");
416 }
417
418 void svg_cstate(int cpu, u64 start, u64 end, int type)
419 {
420 double width;
421 char style[128];
422
423 if (!svgfile)
424 return;
425
426
427 fprintf(svgfile, "<g>\n");
428
429 if (type > 6)
430 type = 6;
431 sprintf(style, "c%i", type);
432
433 fprintf(svgfile, "<rect class=\"%s\" x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\"/>\n",
434 style,
435 time2pixels(start), time2pixels(end)-time2pixels(start),
436 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
437
438 width = (time2pixels(end)-time2pixels(start))/2.0;
439 if (width > 6)
440 width = 6;
441
442 width = round_text_size(width);
443
444 if (width > MIN_TEXT_SIZE)
445 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">C%i</text>\n",
446 time2pixels(start), cpu2y(cpu)+width, width, type);
447
448 fprintf(svgfile, "</g>\n");
449 }
450
451 static char *HzToHuman(unsigned long hz)
452 {
453 static char buffer[1024];
454 unsigned long long Hz;
455
456 memset(buffer, 0, 1024);
457
458 Hz = hz;
459
460 /* default: just put the Number in */
461 sprintf(buffer, "%9lli", Hz);
462
463 if (Hz > 1000)
464 sprintf(buffer, " %6lli Mhz", (Hz+500)/1000);
465
466 if (Hz > 1500000)
467 sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000);
468
469 if (Hz == turbo_frequency)
470 sprintf(buffer, "Turbo");
471
472 return buffer;
473 }
474
475 void svg_pstate(int cpu, u64 start, u64 end, u64 freq)
476 {
477 double height = 0;
478
479 if (!svgfile)
480 return;
481
482 fprintf(svgfile, "<g>\n");
483
484 if (max_freq)
485 height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT);
486 height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height;
487 fprintf(svgfile, "<line x1=\"%.8f\" x2=\"%.8f\" y1=\"%.1f\" y2=\"%.1f\" class=\"pstate\"/>\n",
488 time2pixels(start), time2pixels(end), height, height);
489 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"0.25pt\">%s</text>\n",
490 time2pixels(start), height+0.9, HzToHuman(freq));
491
492 fprintf(svgfile, "</g>\n");
493 }
494
495
496 void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace)
497 {
498 double height;
499
500 if (!svgfile)
501 return;
502
503
504 fprintf(svgfile, "<g>\n");
505
506 fprintf(svgfile, "<title>%s wakes up %s</title>\n",
507 desc1 ? desc1 : "?",
508 desc2 ? desc2 : "?");
509
510 if (backtrace)
511 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
512
513 if (row1 < row2) {
514 if (row1) {
515 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
516 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
517 if (desc2)
518 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
519 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2);
520 }
521 if (row2) {
522 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
523 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row2 * SLOT_MULT);
524 if (desc1)
525 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
526 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1);
527 }
528 } else {
529 if (row2) {
530 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
531 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
532 if (desc1)
533 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
534 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1);
535 }
536 if (row1) {
537 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
538 time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row1 * SLOT_MULT);
539 if (desc2)
540 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
541 time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2);
542 }
543 }
544 height = row1 * SLOT_MULT;
545 if (row2 > row1)
546 height += SLOT_HEIGHT;
547 if (row1)
548 fprintf(svgfile, "<circle cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n",
549 time2pixels(start), height);
550
551 fprintf(svgfile, "</g>\n");
552 }
553
554 void svg_wakeline(u64 start, int row1, int row2, const char *backtrace)
555 {
556 double height;
557
558 if (!svgfile)
559 return;
560
561
562 fprintf(svgfile, "<g>\n");
563
564 if (backtrace)
565 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
566
567 if (row1 < row2)
568 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
569 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT);
570 else
571 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
572 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT);
573
574 height = row1 * SLOT_MULT;
575 if (row2 > row1)
576 height += SLOT_HEIGHT;
577 fprintf(svgfile, "<circle cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n",
578 time2pixels(start), height);
579
580 fprintf(svgfile, "</g>\n");
581 }
582
583 void svg_interrupt(u64 start, int row, const char *backtrace)
584 {
585 if (!svgfile)
586 return;
587
588 fprintf(svgfile, "<g>\n");
589
590 fprintf(svgfile, "<title>Wakeup from interrupt</title>\n");
591
592 if (backtrace)
593 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
594
595 fprintf(svgfile, "<circle cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n",
596 time2pixels(start), row * SLOT_MULT);
597 fprintf(svgfile, "<circle cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n",
598 time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT);
599
600 fprintf(svgfile, "</g>\n");
601 }
602
603 void svg_text(int Yslot, u64 start, const char *text)
604 {
605 if (!svgfile)
606 return;
607
608 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n",
609 time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text);
610 }
611
612 static void svg_legenda_box(int X, const char *text, const char *style)
613 {
614 double boxsize;
615 boxsize = SLOT_HEIGHT / 2;
616
617 fprintf(svgfile, "<rect x=\"%i\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
618 X, boxsize, boxsize, style);
619 fprintf(svgfile, "<text transform=\"translate(%.8f, %.8f)\" font-size=\"%.8fpt\">%s</text>\n",
620 X + boxsize + 5, boxsize, 0.8 * boxsize, text);
621 }
622
623 void svg_io_legenda(void)
624 {
625 if (!svgfile)
626 return;
627
628 fprintf(svgfile, "<g>\n");
629 svg_legenda_box(0, "Disk", "disk");
630 svg_legenda_box(100, "Network", "net");
631 svg_legenda_box(200, "Sync", "sync");
632 svg_legenda_box(300, "Poll", "poll");
633 svg_legenda_box(400, "Error", "error");
634 fprintf(svgfile, "</g>\n");
635 }
636
637 void svg_legenda(void)
638 {
639 if (!svgfile)
640 return;
641
642 fprintf(svgfile, "<g>\n");
643 svg_legenda_box(0, "Running", "sample");
644 svg_legenda_box(100, "Idle","c1");
645 svg_legenda_box(200, "Deeper Idle", "c3");
646 svg_legenda_box(350, "Deepest Idle", "c6");
647 svg_legenda_box(550, "Sleeping", "process2");
648 svg_legenda_box(650, "Waiting for cpu", "waiting");
649 svg_legenda_box(800, "Blocked on IO", "blocked");
650 fprintf(svgfile, "</g>\n");
651 }
652
653 void svg_time_grid(double min_thickness)
654 {
655 u64 i;
656
657 if (!svgfile)
658 return;
659
660 i = first_time;
661 while (i < last_time) {
662 int color = 220;
663 double thickness = 0.075;
664 if ((i % 100000000) == 0) {
665 thickness = 0.5;
666 color = 192;
667 }
668 if ((i % 1000000000) == 0) {
669 thickness = 2.0;
670 color = 128;
671 }
672
673 if (thickness >= min_thickness)
674 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%" PRIu64 "\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%.3f\"/>\n",
675 time2pixels(i), SLOT_MULT/2, time2pixels(i),
676 total_height, color, color, color, thickness);
677
678 i += 10000000;
679 }
680 }
681
682 void svg_close(void)
683 {
684 if (svgfile) {
685 fprintf(svgfile, "</svg>\n");
686 fclose(svgfile);
687 svgfile = NULL;
688 }
689 }
690
691 #define cpumask_bits(maskp) ((maskp)->bits)
692 typedef struct { DECLARE_BITMAP(bits, MAX_NR_CPUS); } cpumask_t;
693
694 struct topology {
695 cpumask_t *sib_core;
696 int sib_core_nr;
697 cpumask_t *sib_thr;
698 int sib_thr_nr;
699 };
700
701 static void scan_thread_topology(int *map, struct topology *t, int cpu, int *pos)
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,
711 cpumask_bits(&t->sib_thr[i]),
712 MAX_NR_CPUS)
713 if (map[thr] == -1)
714 map[thr] = (*pos)++;
715 }
716 }
717
718 static void scan_core_topology(int *map, struct topology *t)
719 {
720 int pos = 0;
721 int i;
722 int cpu;
723
724 for (i = 0; i < t->sib_core_nr; i++)
725 for_each_set_bit(cpu,
726 cpumask_bits(&t->sib_core[i]),
727 MAX_NR_CPUS)
728 scan_thread_topology(map, t, cpu, &pos);
729 }
730
731 static int str_to_bitmap(char *s, cpumask_t *b)
732 {
733 int i;
734 int ret = 0;
735 struct cpu_map *m;
736 int c;
737
738 m = cpu_map__new(s);
739 if (!m)
740 return -1;
741
742 for (i = 0; i < m->nr; i++) {
743 c = m->map[i];
744 if (c >= MAX_NR_CPUS) {
745 ret = -1;
746 break;
747 }
748
749 set_bit(c, cpumask_bits(b));
750 }
751
752 cpu_map__put(m);
753
754 return ret;
755 }
756
757 int svg_build_topology_map(char *sib_core, int sib_core_nr,
758 char *sib_thr, int sib_thr_nr)
759 {
760 int i;
761 struct topology t;
762
763 t.sib_core_nr = sib_core_nr;
764 t.sib_thr_nr = sib_thr_nr;
765 t.sib_core = calloc(sib_core_nr, sizeof(cpumask_t));
766 t.sib_thr = calloc(sib_thr_nr, sizeof(cpumask_t));
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 < sib_core_nr; i++) {
774 if (str_to_bitmap(sib_core, &t.sib_core[i])) {
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 < sib_thr_nr; i++) {
783 if (str_to_bitmap(sib_thr, &t.sib_thr[i])) {
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) * MAX_NR_CPUS);
792 if (!topology_map) {
793 fprintf(stderr, "topology: no memory\n");
794 goto exit;
795 }
796
797 for (i = 0; i < MAX_NR_CPUS; i++)
798 topology_map[i] = -1;
799
800 scan_core_topology(topology_map, &t);
801
802 return 0;
803
804 exit:
805 zfree(&t.sib_core);
806 zfree(&t.sib_thr);
807
808 return -1;
809 }
Linux with added FPC-III support