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
26 static u64 first_time, last_time;
27 static 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
34 int svg_page_width = 1000;
35 u64 svg_highlight;
36 const char *svg_highlight_name;
37
38 #define MIN_TEXT_SIZE 0.01
39
40 static u64 total_height;
41 static FILE *svgfile;
42
43 static double cpu2slot(int cpu)
44 {
45 return 2 * cpu + 1;
46 }
47
48 static int *topology_map;
49
50 static 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
58 static 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 */
70 static 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
85 void 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
141 static 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
153 void 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
172 void 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
191 void 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
210 void 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
219 static char *time_to_string(u64 duration);
220 void 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
234 void 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
270 static 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
288 void 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=\"\" width=\"%.8f\" y=\"\" 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
323 static char *cpu_model(void)
324 {
325 static char cpu_m[255];
326 char buf[256];
327 FILE *file;
328
329 cpu_m[0] = 0;
330 /* CPU type */
331 file = fopen("/proc/cpuinfo", "r");
332 if (file) {
333 while (fgets(buf, 255, file)) {
334 if (strcasestr(buf, "model name")) {
335 strlcpy(cpu_m, &buf[13], 255);
336 break;
337 }
338 }
339 fclose(file);
340 }
341
342 /* CPU type */
343 file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r");
344 if (file) {
345 while (fgets(buf, 255, file)) {
346 unsigned int freq;
347 freq = strtoull(buf, NULL, 10);
348 if (freq > max_freq)
349 max_freq = freq;
350 }
351 fclose(file);
352 }
353 return cpu_m;
354 }
355
356 void 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
382 void 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=\"\" width=\"%.8f\" y=\"\" 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
416 void 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
449 static 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
473 void 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
494 void 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
552 void 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
581 void 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
601 void 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
610 static 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=\"\" 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
621 void 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
635 void 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
651 void 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
680 void 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)
690 typedef struct { DECLARE_BITMAP(bits, MAX_NR_CPUS); } cpumask_t;
691
692 struct topology {
693 cpumask_t *sib_core;
694 int sib_core_nr;
695 cpumask_t *sib_thr;
696 int sib_thr_nr;
697 };
698
699 static 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
715 static 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
726 static int str_to_bitmap(char *s, cpumask_t *b, int nr_cpus)
727 {
728 int idx, ret = 0;
729 struct perf_cpu_map *map;
730 struct perf_cpu cpu;
731
732 map = perf_cpu_map__new(s);
733 if (!map)
734 return -1;
735
736 perf_cpu_map__for_each_cpu(cpu, idx, map) {
737 if (cpu.cpu >= nr_cpus) {
738 ret = -1;
739 break;
740 }
741
742 __set_bit(cpu.cpu, cpumask_bits(b));
743 }
744
745 perf_cpu_map__put(map);
746
747 return ret;
748 }
749
750 int svg_build_topology_map(struct perf_env *env)
751 {
752 int i, nr_cpus;
753 struct topology t;
754 char *sib_core, *sib_thr;
755 int ret = -1;
756
757 nr_cpus = min(env->nr_cpus_online, MAX_NR_CPUS);
758
759 t.sib_core_nr = env->nr_sibling_cores;
760 t.sib_thr_nr = env->nr_sibling_threads;
761 t.sib_core = calloc(env->nr_sibling_cores, sizeof(cpumask_t));
762 t.sib_thr = calloc(env->nr_sibling_threads, sizeof(cpumask_t));
763
764 sib_core = env->sibling_cores;
765 sib_thr = env->sibling_threads;
766
767 if (!t.sib_core || !t.sib_thr) {
768 fprintf(stderr, "topology: no memory\n");
769 goto exit;
770 }
771
772 for (i = 0; i < env->nr_sibling_cores; i++) {
773 if (str_to_bitmap(sib_core, &t.sib_core[i], nr_cpus)) {
774 fprintf(stderr, "topology: can't parse siblings map\n");
775 goto exit;
776 }
777
778 sib_core += strlen(sib_core) + 1;
779 }
780
781 for (i = 0; i < env->nr_sibling_threads; i++) {
782 if (str_to_bitmap(sib_thr, &t.sib_thr[i], nr_cpus)) {
783 fprintf(stderr, "topology: can't parse siblings map\n");
784 goto exit;
785 }
786
787 sib_thr += strlen(sib_thr) + 1;
788 }
789
790 topology_map = malloc(sizeof(int) * nr_cpus);
791 if (!topology_map) {
792 fprintf(stderr, "topology: no memory\n");
793 goto exit;
794 }
795
796 for (i = 0; i < nr_cpus; i++)
797 topology_map[i] = -1;
798
799 scan_core_topology(topology_map, &t, nr_cpus);
800
801 ret = 0;
802
803 exit:
804 zfree(&t.sib_core);
805 zfree(&t.sib_thr);
806
807 return ret;
808 }
809
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.