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Merge tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
[linux-2.6-block.git] / tools / perf / util / svghelper.c
CommitLineData
f48d55ce
AV		 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
9486aa38 15#include <inttypes.h>
f48d55ce
AV		 16#include <stdio.h>
17#include <stdlib.h>
18#include <unistd.h>
19#include <string.h>
d944c4ee 20#include <linux/bitmap.h>
f48d55ce 21
c5079997 22#include "perf.h"
f48d55ce 23#include "svghelper.h"
74cf249d 24#include "util.h"
c5079997 25#include "cpumap.h"
f48d55ce
AV		 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
b97b59b9 33#define SLOT_HALF (SLOT_HEIGHT / 2)
5094b655
AV		 34
35int svg_page_width = 1000;
e57a2dff
SF		 36u64 svg_highlight;
37const char *svg_highlight_name;
f48d55ce 38
39a90a8e 39#define MIN_TEXT_SIZE 0.01
964a0b3d 40
f48d55ce
AV		 41static u64 total_height;
42static FILE *svgfile;
43
44static double cpu2slot(int cpu)
45{
46 return 2 * cpu + 1;
47}
48
c5079997
SF		 49static int *topology_map;
50
f48d55ce
AV		 51static double cpu2y(int cpu)
52{
c5079997
SF		 53 if (topology_map)
54 return cpu2slot(topology_map[cpu]) * SLOT_MULT;
55 else
56 return cpu2slot(cpu) * SLOT_MULT;
f48d55ce
AV		 57}
58
00e99a49 59static double time2pixels(u64 __time)
f48d55ce
AV		 60{
61 double X;
62
00e99a49 63 X = 1.0 * svg_page_width * (__time - first_time) / (last_time - first_time);
f48d55ce
AV		 64 return X;
65}
66
611a546b
AV		 67/*
68 * Round text sizes so that the svg viewer only needs a discrete
69 * number of renderings of the font
70 */
71static double round_text_size(double size)
72{
73 int loop = 100;
74 double target = 10.0;
75
76 if (size >= 10.0)
77 return size;
78 while (loop--) {
79 if (size >= target)
80 return target;
81 target = target / 2.0;
82 }
83 return size;
84}
85
5094b655 86void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end)
f48d55ce 87{
5094b655 88 int new_width;
f48d55ce
AV		 89
90 svgfile = fopen(filename, "w");
91 if (!svgfile) {
92 fprintf(stderr, "Cannot open %s for output\n", filename);
93 return;
94 }
5094b655
AV		 95 first_time = start;
96 first_time = first_time / 100000000 * 100000000;
97 last_time = end;
98
99 /*
100 * if the recording is short, we default to a width of 1000, but
101 * for longer recordings we want at least 200 units of width per second
102 */
103 new_width = (last_time - first_time) / 5000000;
104
105 if (new_width > svg_page_width)
106 svg_page_width = new_width;
107
f48d55ce
AV		 108 total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT;
109 fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n");
cbb2e81e 110 fprintf(svgfile, "<!DOCTYPE svg SYSTEM \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
9486aa38 111 fprintf(svgfile, "<svg width=\"%i\" height=\"%" PRIu64 "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height);
f48d55ce
AV		 112
113 fprintf(svgfile, "<defs>\n <style type=\"text/css\">\n <![CDATA[\n");
114
115 fprintf(svgfile, " rect { stroke-width: 1; }\n");
116 fprintf(svgfile, " rect.process { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1; stroke:rgb( 0, 0, 0); } \n");
117 fprintf(svgfile, " rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
b97b59b9 118 fprintf(svgfile, " rect.process3 { fill:rgb(180,180,180); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
f48d55ce 119 fprintf(svgfile, " rect.sample { fill:rgb( 0, 0,255); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
e57a2dff 120 fprintf(svgfile, " rect.sample_hi{ fill:rgb(255,128, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
b97b59b9
SF		 121 fprintf(svgfile, " rect.error { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
122 fprintf(svgfile, " rect.net { fill:rgb( 0,128, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
123 fprintf(svgfile, " rect.disk { fill:rgb( 0, 0,255); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
124 fprintf(svgfile, " rect.sync { fill:rgb(128,128, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
125 fprintf(svgfile, " rect.poll { fill:rgb( 0,128,128); fill-opacity:0.2; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
f48d55ce 126 fprintf(svgfile, " rect.blocked { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
2e600d01 127 fprintf(svgfile, " rect.waiting { fill:rgb(224,214, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
a92fe7b3 128 fprintf(svgfile, " rect.WAITING { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
f48d55ce
AV		 129 fprintf(svgfile, " rect.cpu { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n");
130 fprintf(svgfile, " rect.pstate { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n");
131 fprintf(svgfile, " rect.c1 { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n");
132 fprintf(svgfile, " rect.c2 { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n");
133 fprintf(svgfile, " rect.c3 { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n");
134 fprintf(svgfile, " rect.c4 { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n");
135 fprintf(svgfile, " rect.c5 { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n");
136 fprintf(svgfile, " rect.c6 { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; } \n");
137 fprintf(svgfile, " line.pstate { stroke:rgb(255,255, 0); stroke-opacity:0.8; stroke-width:2; } \n");
138
139 fprintf(svgfile, " ]]>\n </style>\n</defs>\n");
140}
141
b97b59b9
SF		 142static double normalize_height(double height)
143{
144 if (height < 0.25)
145 return 0.25;
146 else if (height < 0.50)
147 return 0.50;
148 else if (height < 0.75)
149 return 0.75;
150 else
151 return 0.100;
152}
153
154void svg_ubox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
155{
156 double w = time2pixels(end) - time2pixels(start);
157 height = normalize_height(height);
158
159 if (!svgfile)
160 return;
161
162 fprintf(svgfile, "<g>\n");
163 fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
164 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
165 time2pixels(start),
166 w,
167 Yslot * SLOT_MULT,
168 SLOT_HALF * height,
169 type);
170 fprintf(svgfile, "</g>\n");
171}
172
173void svg_lbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
174{
175 double w = time2pixels(end) - time2pixels(start);
176 height = normalize_height(height);
177
178 if (!svgfile)
179 return;
180
181 fprintf(svgfile, "<g>\n");
182 fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
183 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
184 time2pixels(start),
185 w,
186 Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HALF * height,
187 SLOT_HALF * height,
188 type);
189 fprintf(svgfile, "</g>\n");
190}
191
192void svg_fbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
193{
194 double w = time2pixels(end) - time2pixels(start);
195 height = normalize_height(height);
196
197 if (!svgfile)
198 return;
199
200 fprintf(svgfile, "<g>\n");
201 fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
202 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
203 time2pixels(start),
204 w,
205 Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HEIGHT * height,
206 SLOT_HEIGHT * height,
207 type);
208 fprintf(svgfile, "</g>\n");
209}
210
f48d55ce
AV		 211void svg_box(int Yslot, u64 start, u64 end, const char *type)
212{
213 if (!svgfile)
214 return;
215
f8dda74f 216 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
f48d55ce
AV		 217 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);
218}
219
cbb2e81e 220static char *time_to_string(u64 duration);
6f8d67fa 221void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
cbb2e81e
SF		 222{
223 if (!svgfile)
224 return;
225
226 fprintf(svgfile, "<g>\n");
227 fprintf(svgfile, "<title>#%d blocked %s</title>\n", cpu,
228 time_to_string(end - start));
6f8d67fa
SF		 229 if (backtrace)
230 fprintf(svgfile, "<desc>Blocked on:\n%s</desc>\n", backtrace);
cbb2e81e
SF		 231 svg_box(Yslot, start, end, "blocked");
232 fprintf(svgfile, "</g>\n");
233}
234
6f8d67fa 235void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
f48d55ce
AV		 236{
237 double text_size;
e57a2dff
SF		 238 const char *type;
239
f48d55ce
AV		 240 if (!svgfile)
241 return;
242
e57a2dff
SF		 243 if (svg_highlight && end - start > svg_highlight)
244 type = "sample_hi";
245 else
246 type = "sample";
cbb2e81e
SF		 247 fprintf(svgfile, "<g>\n");
248
249 fprintf(svgfile, "<title>#%d running %s</title>\n",
250 cpu, time_to_string(end - start));
6f8d67fa
SF		 251 if (backtrace)
252 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
f8dda74f 253 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
e57a2dff
SF		 254 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT,
255 type);
f48d55ce
AV		 256
257 text_size = (time2pixels(end)-time2pixels(start));
258 if (cpu > 9)
259 text_size = text_size/2;
260 if (text_size > 1.25)
261 text_size = 1.25;
611a546b
AV		 262 text_size = round_text_size(text_size);
263
964a0b3d 264 if (text_size > MIN_TEXT_SIZE)
f8dda74f 265 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">%i</text>\n",
f48d55ce
AV		 266 time2pixels(start), Yslot * SLOT_MULT + SLOT_HEIGHT - 1, text_size, cpu + 1);
267
cbb2e81e 268 fprintf(svgfile, "</g>\n");
f48d55ce
AV		 269}
270
a92fe7b3
AV		 271static char *time_to_string(u64 duration)
272{
273 static char text[80];
274
275 text[0] = 0;
276
277 if (duration < 1000) /* less than 1 usec */
278 return text;
279
280 if (duration < 1000 * 1000) { /* less than 1 msec */
f8dda74f 281 sprintf(text, "%.1f us", duration / 1000.0);
a92fe7b3
AV		 282 return text;
283 }
f8dda74f 284 sprintf(text, "%.1f ms", duration / 1000.0 / 1000);
a92fe7b3
AV		 285
286 return text;
287}
288
6f8d67fa 289void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
a92fe7b3
AV		 290{
291 char *text;
292 const char *style;
293 double font_size;
294
295 if (!svgfile)
296 return;
297
298 style = "waiting";
299
300 if (end-start > 10 * 1000000) /* 10 msec */
301 style = "WAITING";
302
303 text = time_to_string(end-start);
304
611a546b 305 font_size = 1.0 * (time2pixels(end)-time2pixels(start));
a92fe7b3 306
611a546b
AV		 307 if (font_size > 3)
308 font_size = 3;
a92fe7b3 309
611a546b 310 font_size = round_text_size(font_size);
a92fe7b3 311
f8dda74f 312 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT);
cbb2e81e 313 fprintf(svgfile, "<title>#%d waiting %s</title>\n", cpu, time_to_string(end - start));
6f8d67fa
SF		 314 if (backtrace)
315 fprintf(svgfile, "<desc>Waiting on:\n%s</desc>\n", backtrace);
f8dda74f 316 fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
611a546b 317 time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style);
a92fe7b3 318 if (font_size > MIN_TEXT_SIZE)
f8dda74f 319 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\"> %s</text>\n",
611a546b
AV		 320 font_size, text);
321 fprintf(svgfile, "</g>\n");
a92fe7b3
AV		 322}
323
f48d55ce
AV		 324static char *cpu_model(void)
325{
326 static char cpu_m[255];
327 char buf[256];
328 FILE *file;
329
330 cpu_m[0] = 0;
331 /* CPU type */
332 file = fopen("/proc/cpuinfo", "r");
333 if (file) {
334 while (fgets(buf, 255, file)) {
335 if (strstr(buf, "model name")) {
336 strncpy(cpu_m, &buf[13], 255);
337 break;
338 }
339 }
340 fclose(file);
341 }
39a90a8e
AV		 342
343 /* CPU type */
344 file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r");
345 if (file) {
346 while (fgets(buf, 255, file)) {
347 unsigned int freq;
348 freq = strtoull(buf, NULL, 10);
349 if (freq > max_freq)
350 max_freq = freq;
351 }
352 fclose(file);
353 }
f48d55ce
AV		 354 return cpu_m;
355}
356
357void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)
358{
359 char cpu_string[80];
360 if (!svgfile)
361 return;
362
363 max_freq = __max_freq;
364 turbo_frequency = __turbo_freq;
365
cbb2e81e
SF		 366 fprintf(svgfile, "<g>\n");
367
f8dda74f 368 fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"cpu\"/>\n",
f48d55ce
AV		 369 time2pixels(first_time),
370 time2pixels(last_time)-time2pixels(first_time),
371 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
372
c5079997 373 sprintf(cpu_string, "CPU %i", (int)cpu);
f8dda74f 374 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n",
f48d55ce
AV		 375 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
376
f8dda74f 377 fprintf(svgfile, "<text transform=\"translate(%.8f,%.8f)\" font-size=\"1.25pt\">%s</text>\n",
f48d55ce 378 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
cbb2e81e
SF		 379
380 fprintf(svgfile, "</g>\n");
f48d55ce
AV		 381}
382
e57a2dff 383void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace)
f48d55ce
AV		 384{
385 double width;
e57a2dff 386 const char *type;
f48d55ce
AV		 387
388 if (!svgfile)
389 return;
390
e57a2dff
SF		 391 if (svg_highlight && end - start >= svg_highlight)
392 type = "sample_hi";
393 else if (svg_highlight_name && strstr(name, svg_highlight_name))
394 type = "sample_hi";
395 else
396 type = "sample";
611a546b 397
f8dda74f 398 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), cpu2y(cpu));
de996228 399 fprintf(svgfile, "<title>%d %s running %s</title>\n", pid, name, time_to_string(end - start));
8b6dcca0
SF		 400 if (backtrace)
401 fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
f8dda74f 402 fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
611a546b 403 time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type);
f48d55ce
AV		 404 width = time2pixels(end)-time2pixels(start);
405 if (width > 6)
406 width = 6;
407
611a546b
AV		 408 width = round_text_size(width);
409
964a0b3d 410 if (width > MIN_TEXT_SIZE)
f8dda74f 411 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\">%s</text>\n",
611a546b
AV		 412 width, name);
413
414 fprintf(svgfile, "</g>\n");
f48d55ce
AV		 415}
416
417void svg_cstate(int cpu, u64 start, u64 end, int type)
418{
419 double width;
420 char style[128];
421
422 if (!svgfile)
423 return;
424
425
cbb2e81e
SF		 426 fprintf(svgfile, "<g>\n");
427
f48d55ce
AV		 428 if (type > 6)
429 type = 6;
430 sprintf(style, "c%i", type);
431
f8dda74f 432 fprintf(svgfile, "<rect class=\"%s\" x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\"/>\n",
f48d55ce
AV		 433 style,
434 time2pixels(start), time2pixels(end)-time2pixels(start),
435 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
436
611a546b 437 width = (time2pixels(end)-time2pixels(start))/2.0;
f48d55ce
AV		 438 if (width > 6)
439 width = 6;
440
611a546b
AV		 441 width = round_text_size(width);
442
964a0b3d 443 if (width > MIN_TEXT_SIZE)
f8dda74f 444 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">C%i</text>\n",
611a546b 445 time2pixels(start), cpu2y(cpu)+width, width, type);
cbb2e81e
SF		 446
447 fprintf(svgfile, "</g>\n");
f48d55ce
AV		 448}
449
450static char *HzToHuman(unsigned long hz)
451{
452 static char buffer[1024];
453 unsigned long long Hz;
454
455 memset(buffer, 0, 1024);
456
457 Hz = hz;
458
459 /* default: just put the Number in */
460 sprintf(buffer, "%9lli", Hz);
461
462 if (Hz > 1000)
463 sprintf(buffer, " %6lli Mhz", (Hz+500)/1000);
464
465 if (Hz > 1500000)
466 sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000);
467
468 if (Hz == turbo_frequency)
469 sprintf(buffer, "Turbo");
470
471 return buffer;
472}
473
474void svg_pstate(int cpu, u64 start, u64 end, u64 freq)
475{
476 double height = 0;
477
478 if (!svgfile)
479 return;
480
cbb2e81e
SF		 481 fprintf(svgfile, "<g>\n");
482
f48d55ce
AV		 483 if (max_freq)
484 height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT);
485 height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height;
f8dda74f 486 fprintf(svgfile, "<line x1=\"%.8f\" x2=\"%.8f\" y1=\"%.1f\" y2=\"%.1f\" class=\"pstate\"/>\n",
f48d55ce 487 time2pixels(start), time2pixels(end), height, height);
f8dda74f 488 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"0.25pt\">%s</text>\n",
f48d55ce
AV		 489 time2pixels(start), height+0.9, HzToHuman(freq));
490
cbb2e81e 491 fprintf(svgfile, "</g>\n");
f48d55ce
AV		 492}
493
494
6f8d67fa 495void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace)
f48d55ce
AV		 496{
497 double height;
498
499 if (!svgfile)
500 return;
501
502
cbb2e81e
SF		 503 fprintf(svgfile, "<g>\n");
504
505 fprintf(svgfile, "<title>%s wakes up %s</title>\n",
506 desc1 ? desc1 : "?",
507 desc2 ? desc2 : "?");
508
6f8d67fa
SF		 509 if (backtrace)
510 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
511
f48d55ce 512 if (row1 < row2) {
4f1202c8 513 if (row1) {
f8dda74f 514 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
f48d55ce 515 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
4f1202c8 516 if (desc2)
f8dda74f 517 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
4f1202c8
AV		 518 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2);
519 }
520 if (row2) {
f8dda74f 521 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
f48d55ce 522 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row2 * SLOT_MULT);
4f1202c8 523 if (desc1)
f8dda74f 524 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
4f1202c8
AV		 525 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1);
526 }
f48d55ce 527 } else {
4f1202c8 528 if (row2) {
f8dda74f 529 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
f48d55ce 530 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
4f1202c8 531 if (desc1)
f8dda74f 532 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
4f1202c8
AV		 533 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1);
534 }
535 if (row1) {
f8dda74f 536 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
f48d55ce 537 time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row1 * SLOT_MULT);
4f1202c8 538 if (desc2)
f8dda74f 539 fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
4f1202c8
AV		 540 time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2);
541 }
f48d55ce
AV		 542 }
543 height = row1 * SLOT_MULT;
544 if (row2 > row1)
545 height += SLOT_HEIGHT;
546 if (row1)
f8dda74f 547 fprintf(svgfile, "<circle cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n",
f48d55ce 548 time2pixels(start), height);
cbb2e81e
SF		 549
550 fprintf(svgfile, "</g>\n");
f48d55ce
AV		 551}
552
6f8d67fa 553void svg_wakeline(u64 start, int row1, int row2, const char *backtrace)
f48d55ce
AV		 554{
555 double height;
556
557 if (!svgfile)
558 return;
559
560
cbb2e81e
SF		 561 fprintf(svgfile, "<g>\n");
562
6f8d67fa
SF		 563 if (backtrace)
564 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
565
f48d55ce 566 if (row1 < row2)
f8dda74f 567 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
f48d55ce
AV		 568 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT);
569 else
f8dda74f 570 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
f48d55ce
AV		 571 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT);
572
573 height = row1 * SLOT_MULT;
574 if (row2 > row1)
575 height += SLOT_HEIGHT;
f8dda74f 576 fprintf(svgfile, "<circle cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n",
f48d55ce 577 time2pixels(start), height);
cbb2e81e
SF		 578
579 fprintf(svgfile, "</g>\n");
f48d55ce
AV		 580}
581
6f8d67fa 582void svg_interrupt(u64 start, int row, const char *backtrace)
f48d55ce
AV		 583{
584 if (!svgfile)
585 return;
586
cbb2e81e
SF		 587 fprintf(svgfile, "<g>\n");
588
589 fprintf(svgfile, "<title>Wakeup from interrupt</title>\n");
590
6f8d67fa
SF		 591 if (backtrace)
592 fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
593
f8dda74f 594 fprintf(svgfile, "<circle cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n",
f48d55ce 595 time2pixels(start), row * SLOT_MULT);
f8dda74f 596 fprintf(svgfile, "<circle cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n",
f48d55ce 597 time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT);
cbb2e81e
SF		 598
599 fprintf(svgfile, "</g>\n");
f48d55ce
AV		 600}
601
602void svg_text(int Yslot, u64 start, const char *text)
603{
604 if (!svgfile)
605 return;
606
f8dda74f 607 fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n",
f48d55ce
AV		 608 time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text);
609}
610
611static void svg_legenda_box(int X, const char *text, const char *style)
612{
613 double boxsize;
614 boxsize = SLOT_HEIGHT / 2;
615
f8dda74f 616 fprintf(svgfile, "<rect x=\"%i\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
f48d55ce 617 X, boxsize, boxsize, style);
f8dda74f 618 fprintf(svgfile, "<text transform=\"translate(%.8f, %.8f)\" font-size=\"%.8fpt\">%s</text>\n",
f48d55ce
AV		 619 X + boxsize + 5, boxsize, 0.8 * boxsize, text);
620}
621
b97b59b9
SF		 622void svg_io_legenda(void)
623{
624 if (!svgfile)
625 return;
626
627 fprintf(svgfile, "<g>\n");
628 svg_legenda_box(0, "Disk", "disk");
629 svg_legenda_box(100, "Network", "net");
630 svg_legenda_box(200, "Sync", "sync");
631 svg_legenda_box(300, "Poll", "poll");
632 svg_legenda_box(400, "Error", "error");
633 fprintf(svgfile, "</g>\n");
634}
635
f48d55ce
AV		 636void svg_legenda(void)
637{
638 if (!svgfile)
639 return;
640
cbb2e81e 641 fprintf(svgfile, "<g>\n");
f48d55ce 642 svg_legenda_box(0, "Running", "sample");
e8530720
TR		 643 svg_legenda_box(100, "Idle","c1");
644 svg_legenda_box(200, "Deeper Idle", "c3");
645 svg_legenda_box(350, "Deepest Idle", "c6");
f48d55ce
AV		 646 svg_legenda_box(550, "Sleeping", "process2");
647 svg_legenda_box(650, "Waiting for cpu", "waiting");
648 svg_legenda_box(800, "Blocked on IO", "blocked");
cbb2e81e 649 fprintf(svgfile, "</g>\n");
f48d55ce
AV		 650}
651
b97b59b9 652void svg_time_grid(double min_thickness)
f48d55ce
AV		 653{
654 u64 i;
655
f48d55ce
AV		 656 if (!svgfile)
657 return;
658
659 i = first_time;
660 while (i < last_time) {
661 int color = 220;
662 double thickness = 0.075;
663 if ((i % 100000000) == 0) {
664 thickness = 0.5;
665 color = 192;
666 }
667 if ((i % 1000000000) == 0) {
668 thickness = 2.0;
669 color = 128;
670 }
671
b97b59b9
SF		 672 if (thickness >= min_thickness)
673 fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%" PRIu64 "\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%.3f\"/>\n",
674 time2pixels(i), SLOT_MULT/2, time2pixels(i),
675 total_height, color, color, color, thickness);
f48d55ce
AV		 676
677 i += 10000000;
678 }
679}
680
681void svg_close(void)
682{
683 if (svgfile) {
684 fprintf(svgfile, "</svg>\n");
685 fclose(svgfile);
686 svgfile = NULL;
687 }
688}
c5079997
SF		 689
690#define cpumask_bits(maskp) ((maskp)->bits)
691typedef struct { DECLARE_BITMAP(bits, MAX_NR_CPUS); } cpumask_t;
692
693struct topology {
694 cpumask_t *sib_core;
695 int sib_core_nr;
696 cpumask_t *sib_thr;
697 int sib_thr_nr;
698};
699
700static void scan_thread_topology(int *map, struct topology *t, int cpu, int *pos)
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,
710 cpumask_bits(&t->sib_thr[i]),
711 MAX_NR_CPUS)
712 if (map[thr] == -1)
713 map[thr] = (*pos)++;
714 }
715}
716
717static void scan_core_topology(int *map, struct topology *t)
718{
719 int pos = 0;
720 int i;
721 int cpu;
722
723 for (i = 0; i < t->sib_core_nr; i++)
724 for_each_set_bit(cpu,
725 cpumask_bits(&t->sib_core[i]),
726 MAX_NR_CPUS)
727 scan_thread_topology(map, t, cpu, &pos);
728}
729
730static int str_to_bitmap(char *s, cpumask_t *b)
731{
732 int i;
733 int ret = 0;
734 struct cpu_map *m;
735 int c;
736
737 m = cpu_map__new(s);
738 if (!m)
739 return -1;
740
741 for (i = 0; i < m->nr; i++) {
742 c = m->map[i];
743 if (c >= MAX_NR_CPUS) {
744 ret = -1;
745 break;
746 }
747
748 set_bit(c, cpumask_bits(b));
749 }
750
f30a79b0 751 cpu_map__put(m);
c5079997
SF		 752
753 return ret;
754}
755
756int svg_build_topology_map(char *sib_core, int sib_core_nr,
757 char *sib_thr, int sib_thr_nr)
758{
759 int i;
760 struct topology t;
761
762 t.sib_core_nr = sib_core_nr;
763 t.sib_thr_nr = sib_thr_nr;
764 t.sib_core = calloc(sib_core_nr, sizeof(cpumask_t));
765 t.sib_thr = calloc(sib_thr_nr, sizeof(cpumask_t));
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 < sib_core_nr; i++) {
773 if (str_to_bitmap(sib_core, &t.sib_core[i])) {
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 < sib_thr_nr; i++) {
782 if (str_to_bitmap(sib_thr, &t.sib_thr[i])) {
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) * MAX_NR_CPUS);
791 if (!topology_map) {
792 fprintf(stderr, "topology: no memory\n");
793 goto exit;
794 }
795
796 for (i = 0; i < MAX_NR_CPUS; i++)
797 topology_map[i] = -1;
798
799 scan_core_topology(topology_map, &t);
800
801 return 0;
802
803exit:
74cf249d
ACM		 804 zfree(&t.sib_core);
805 zfree(&t.sib_thr);
c5079997
SF		 806
807 return -1;
808}
Linux 6.x block layer and io_uring tree(s)