1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * svghelper.c - helper functions for outputting svg
4 *
5 * (C) Copyright 2009 Intel Corporation
6 *
7 * Authors:
8 *     Arjan van de Ven <arjan@linux.intel.com>
9 */
10
11#include <inttypes.h>
12#include <stdio.h>
13#include <stdlib.h>
14#include <unistd.h>
15#include <string.h>
16#include <linux/bitmap.h>
17#include <linux/string.h>
18#include <linux/time64.h>
19#include <linux/zalloc.h>
20#include <internal/cpumap.h>
21#include <perf/cpumap.h>
22
23#include "env.h"
24#include "svghelper.h"
25
26static u64 first_time, last_time;
27static u64 turbo_frequency, max_freq;
28
29
30#define SLOT_MULT 30.0
31#define SLOT_HEIGHT 25.0
32#define SLOT_HALF (SLOT_HEIGHT / 2)
33
34int svg_page_width = 1000;
35u64 svg_highlight;
36const char *svg_highlight_name;
37
38#define MIN_TEXT_SIZE 0.01
39
40static u64 total_height;
41static FILE *svgfile;
42
43static double cpu2slot(int cpu)
44{
45	return 2 * cpu + 1;
46}
47
48static int *topology_map;
49
50static double cpu2y(int cpu)
51{
52	if (topology_map)
53		return cpu2slot(topology_map[cpu]) * SLOT_MULT;
54	else
55		return cpu2slot(cpu) * SLOT_MULT;
56}
57
58static double time2pixels(u64 __time)
59{
60	double X;
61
62	X = 1.0 * svg_page_width * (__time - first_time) / (last_time - first_time);
63	return X;
64}
65
66/*
67 * Round text sizes so that the svg viewer only needs a discrete
68 * number of renderings of the font
69 */
70static double round_text_size(double size)
71{
72	int loop = 100;
73	double target = 10.0;
74
75	if (size >= 10.0)
76		return size;
77	while (loop--) {
78		if (size >= target)
79			return target;
80		target = target / 2.0;
81	}
82	return size;
83}
84
85void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end)
86{
87	int new_width;
88
89	svgfile = fopen(filename, "w");
90	if (!svgfile) {
91		fprintf(stderr, "Cannot open %s for output\n", filename);
92		return;
93	}
94	first_time = start;
95	first_time = first_time / 100000000 * 100000000;
96	last_time = end;
97
98	/*
99	 * if the recording is short, we default to a width of 1000, but
100	 * for longer recordings we want at least 200 units of width per second
101	 */
102	new_width = (last_time - first_time) / 5000000;
103
104	if (new_width > svg_page_width)
105		svg_page_width = new_width;
106
107	total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT;
108	fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n");
109	fprintf(svgfile, "<!DOCTYPE svg SYSTEM \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
110	fprintf(svgfile, "<svg width=\"%i\" height=\"%" PRIu64 "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height);
111
112	fprintf(svgfile, "<defs>\n  <style type=\"text/css\">\n    <![CDATA[\n");
113
114	fprintf(svgfile, "      rect          { stroke-width: 1; }\n");
115	fprintf(svgfile, "      rect.process  { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1;   stroke:rgb(  0,  0,  0); } \n");
116	fprintf(svgfile, "      rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
117	fprintf(svgfile, "      rect.process3 { fill:rgb(180,180,180); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
118	fprintf(svgfile, "      rect.sample   { fill:rgb(  0,  0,255); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
119	fprintf(svgfile, "      rect.sample_hi{ fill:rgb(255,128,  0); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
120	fprintf(svgfile, "      rect.error    { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
121	fprintf(svgfile, "      rect.net      { fill:rgb(  0,128,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
122	fprintf(svgfile, "      rect.disk     { fill:rgb(  0,  0,255); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
123	fprintf(svgfile, "      rect.sync     { fill:rgb(128,128,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
124	fprintf(svgfile, "      rect.poll     { fill:rgb(  0,128,128); fill-opacity:0.2; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
125	fprintf(svgfile, "      rect.blocked  { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
126	fprintf(svgfile, "      rect.waiting  { fill:rgb(224,214,  0); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
127	fprintf(svgfile, "      rect.WAITING  { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
128	fprintf(svgfile, "      rect.cpu      { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n");
129	fprintf(svgfile, "      rect.pstate   { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n");
130	fprintf(svgfile, "      rect.c1       { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n");
131	fprintf(svgfile, "      rect.c2       { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n");
132	fprintf(svgfile, "      rect.c3       { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n");
133	fprintf(svgfile, "      rect.c4       { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n");
134	fprintf(svgfile, "      rect.c5       { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n");
135	fprintf(svgfile, "      rect.c6       { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0; } \n");
136	fprintf(svgfile, "      line.pstate   { stroke:rgb(255,255,  0); stroke-opacity:0.8; stroke-width:2; } \n");
137
138	fprintf(svgfile, "    ]]>\n   </style>\n</defs>\n");
139}
140
141static double normalize_height(double height)
142{
143	if (height < 0.25)
144		return 0.25;
145	else if (height < 0.50)
146		return 0.50;
147	else if (height < 0.75)
148		return 0.75;
149	else
150		return 0.100;
151}
152
153void svg_ubox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
154{
155	double w = time2pixels(end) - time2pixels(start);
156	height = normalize_height(height);
157
158	if (!svgfile)
159		return;
160
161	fprintf(svgfile, "<g>\n");
162	fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
163	fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
164		time2pixels(start),
165		w,
166		Yslot * SLOT_MULT,
167		SLOT_HALF * height,
168		type);
169	fprintf(svgfile, "</g>\n");
170}
171
172void svg_lbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
173{
174	double w = time2pixels(end) - time2pixels(start);
175	height = normalize_height(height);
176
177	if (!svgfile)
178		return;
179
180	fprintf(svgfile, "<g>\n");
181	fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
182	fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
183		time2pixels(start),
184		w,
185		Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HALF * height,
186		SLOT_HALF * height,
187		type);
188	fprintf(svgfile, "</g>\n");
189}
190
191void svg_fbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
192{
193	double w = time2pixels(end) - time2pixels(start);
194	height = normalize_height(height);
195
196	if (!svgfile)
197		return;
198
199	fprintf(svgfile, "<g>\n");
200	fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
201	fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
202		time2pixels(start),
203		w,
204		Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HEIGHT * height,
205		SLOT_HEIGHT * height,
206		type);
207	fprintf(svgfile, "</g>\n");
208}
209
210void svg_box(int Yslot, u64 start, u64 end, const char *type)
211{
212	if (!svgfile)
213		return;
214
215	fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
216		time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);
217}
218
219static char *time_to_string(u64 duration);
220void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
221{
222	if (!svgfile)
223		return;
224
225	fprintf(svgfile, "<g>\n");
226	fprintf(svgfile, "<title>#%d blocked %s</title>\n", cpu,
227		time_to_string(end - start));
228	if (backtrace)
229		fprintf(svgfile, "<desc>Blocked on:\n%s</desc>\n", backtrace);
230	svg_box(Yslot, start, end, "blocked");
231	fprintf(svgfile, "</g>\n");
232}
233
234void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
235{
236	double text_size;
237	const char *type;
238
239	if (!svgfile)
240		return;
241
242	if (svg_highlight && end - start > svg_highlight)
243		type = "sample_hi";
244	else
245		type = "sample";
246	fprintf(svgfile, "<g>\n");
247
248	fprintf(svgfile, "<title>#%d running %s</title>\n",
249		cpu, time_to_string(end - start));
250	if (backtrace)
251		fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
252	fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
253		time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT,
254		type);
255
256	text_size = (time2pixels(end)-time2pixels(start));
257	if (cpu > 9)
258		text_size = text_size/2;
259	if (text_size > 1.25)
260		text_size = 1.25;
261	text_size = round_text_size(text_size);
262
263	if (text_size > MIN_TEXT_SIZE)
264		fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">%i</text>\n",
265			time2pixels(start), Yslot *  SLOT_MULT + SLOT_HEIGHT - 1, text_size,  cpu + 1);
266
267	fprintf(svgfile, "</g>\n");
268}
269
270static char *time_to_string(u64 duration)
271{
272	static char text[80];
273
274	text[0] = 0;
275
276	if (duration < NSEC_PER_USEC) /* less than 1 usec */
277		return text;
278
279	if (duration < NSEC_PER_MSEC) { /* less than 1 msec */
280		sprintf(text, "%.1f us", duration / (double)NSEC_PER_USEC);
281		return text;
282	}
283	sprintf(text, "%.1f ms", duration / (double)NSEC_PER_MSEC);
284
285	return text;
286}
287
288void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
289{
290	char *text;
291	const char *style;
292	double font_size;
293
294	if (!svgfile)
295		return;
296
297	style = "waiting";
298
299	if (end-start > 10 * NSEC_PER_MSEC) /* 10 msec */
300		style = "WAITING";
301
302	text = time_to_string(end-start);
303
304	font_size = 1.0 * (time2pixels(end)-time2pixels(start));
305
306	if (font_size > 3)
307		font_size = 3;
308
309	font_size = round_text_size(font_size);
310
311	fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT);
312	fprintf(svgfile, "<title>#%d waiting %s</title>\n", cpu, time_to_string(end - start));
313	if (backtrace)
314		fprintf(svgfile, "<desc>Waiting on:\n%s</desc>\n", backtrace);
315	fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
316		time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style);
317	if (font_size > MIN_TEXT_SIZE)
318		fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\"> %s</text>\n",
319			font_size, text);
320	fprintf(svgfile, "</g>\n");
321}
322
323static char *cpu_model(void)
324{
325	static char cpu_m[255];
326	char buf[256];
327	FILE *file;
328
329	cpu_m[0] = 0;
330	/* CPU type */
331	file = fopen("/proc/cpuinfo", "r");
332	if (file) {
333		while (fgets(buf, 255, file)) {
334			if (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
356void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)
357{
358	char cpu_string[80];
359	if (!svgfile)
360		return;
361
362	max_freq = __max_freq;
363	turbo_frequency = __turbo_freq;
364
365	fprintf(svgfile, "<g>\n");
366
367	fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"cpu\"/>\n",
368		time2pixels(first_time),
369		time2pixels(last_time)-time2pixels(first_time),
370		cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
371
372	sprintf(cpu_string, "CPU %i", (int)cpu);
373	fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n",
374		10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
375
376	fprintf(svgfile, "<text transform=\"translate(%.8f,%.8f)\" font-size=\"1.25pt\">%s</text>\n",
377		10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
378
379	fprintf(svgfile, "</g>\n");
380}
381
382void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace)
383{
384	double width;
385	const char *type;
386
387	if (!svgfile)
388		return;
389
390	if (svg_highlight && end - start >= svg_highlight)
391		type = "sample_hi";
392	else if (svg_highlight_name && strstr(name, svg_highlight_name))
393		type = "sample_hi";
394	else
395		type = "sample";
396
397	fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), cpu2y(cpu));
398	fprintf(svgfile, "<title>%d %s running %s</title>\n", pid, name, time_to_string(end - start));
399	if (backtrace)
400		fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
401	fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
402		time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type);
403	width = time2pixels(end)-time2pixels(start);
404	if (width > 6)
405		width = 6;
406
407	width = round_text_size(width);
408
409	if (width > MIN_TEXT_SIZE)
410		fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\">%s</text>\n",
411			width, name);
412
413	fprintf(svgfile, "</g>\n");
414}
415
416void svg_cstate(int cpu, u64 start, u64 end, int type)
417{
418	double width;
419	char style[128];
420
421	if (!svgfile)
422		return;
423
424
425	fprintf(svgfile, "<g>\n");
426
427	if (type > 6)
428		type = 6;
429	sprintf(style, "c%i", type);
430
431	fprintf(svgfile, "<rect class=\"%s\" x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\"/>\n",
432		style,
433		time2pixels(start), time2pixels(end)-time2pixels(start),
434		cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
435
436	width = (time2pixels(end)-time2pixels(start))/2.0;
437	if (width > 6)
438		width = 6;
439
440	width = round_text_size(width);
441
442	if (width > MIN_TEXT_SIZE)
443		fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">C%i</text>\n",
444			time2pixels(start), cpu2y(cpu)+width, width, type);
445
446	fprintf(svgfile, "</g>\n");
447}
448
449static char *HzToHuman(unsigned long hz)
450{
451	static char buffer[1024];
452	unsigned long long Hz;
453
454	memset(buffer, 0, 1024);
455
456	Hz = hz;
457
458	/* default: just put the Number in */
459	sprintf(buffer, "%9lli", Hz);
460
461	if (Hz > 1000)
462		sprintf(buffer, " %6lli Mhz", (Hz+500)/1000);
463
464	if (Hz > 1500000)
465		sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000);
466
467	if (Hz == turbo_frequency)
468		sprintf(buffer, "Turbo");
469
470	return buffer;
471}
472
473void svg_pstate(int cpu, u64 start, u64 end, u64 freq)
474{
475	double height = 0;
476
477	if (!svgfile)
478		return;
479
480	fprintf(svgfile, "<g>\n");
481
482	if (max_freq)
483		height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT);
484	height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height;
485	fprintf(svgfile, "<line x1=\"%.8f\" x2=\"%.8f\" y1=\"%.1f\" y2=\"%.1f\" class=\"pstate\"/>\n",
486		time2pixels(start), time2pixels(end), height, height);
487	fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"0.25pt\">%s</text>\n",
488		time2pixels(start), height+0.9, HzToHuman(freq));
489
490	fprintf(svgfile, "</g>\n");
491}
492
493
494void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace)
495{
496	double height;
497
498	if (!svgfile)
499		return;
500
501
502	fprintf(svgfile, "<g>\n");
503
504	fprintf(svgfile, "<title>%s wakes up %s</title>\n",
505		desc1 ? desc1 : "?",
506		desc2 ? desc2 : "?");
507
508	if (backtrace)
509		fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
510
511	if (row1 < row2) {
512		if (row1) {
513			fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
514				time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
515			if (desc2)
516				fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</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 &gt;</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 &lt;</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 &lt;</text></g>\n",
539					time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2);
540		}
541	}
542	height = row1 * SLOT_MULT;
543	if (row2 > row1)
544		height += SLOT_HEIGHT;
545	if (row1)
546		fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(32,255,32)\"/>\n",
547			time2pixels(start), height);
548
549	fprintf(svgfile, "</g>\n");
550}
551
552void svg_wakeline(u64 start, int row1, int row2, const char *backtrace)
553{
554	double height;
555
556	if (!svgfile)
557		return;
558
559
560	fprintf(svgfile, "<g>\n");
561
562	if (backtrace)
563		fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
564
565	if (row1 < row2)
566		fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
567			time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row2 * SLOT_MULT);
568	else
569		fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
570			time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row1 * SLOT_MULT);
571
572	height = row1 * SLOT_MULT;
573	if (row2 > row1)
574		height += SLOT_HEIGHT;
575	fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(32,255,32)\"/>\n",
576			time2pixels(start), height);
577
578	fprintf(svgfile, "</g>\n");
579}
580
581void svg_interrupt(u64 start, int row, const char *backtrace)
582{
583	if (!svgfile)
584		return;
585
586	fprintf(svgfile, "<g>\n");
587
588	fprintf(svgfile, "<title>Wakeup from interrupt</title>\n");
589
590	if (backtrace)
591		fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
592
593	fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(255,128,128)\"/>\n",
594			time2pixels(start), row * SLOT_MULT);
595	fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(255,128,128)\"/>\n",
596			time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT);
597
598	fprintf(svgfile, "</g>\n");
599}
600
601void svg_text(int Yslot, u64 start, const char *text)
602{
603	if (!svgfile)
604		return;
605
606	fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n",
607		time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text);
608}
609
610static void svg_legenda_box(int X, const char *text, const char *style)
611{
612	double boxsize;
613	boxsize = SLOT_HEIGHT / 2;
614
615	fprintf(svgfile, "<rect x=\"%i\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
616		X, boxsize, boxsize, style);
617	fprintf(svgfile, "<text transform=\"translate(%.8f, %.8f)\" font-size=\"%.8fpt\">%s</text>\n",
618		X + boxsize + 5, boxsize, 0.8 * boxsize, text);
619}
620
621void svg_io_legenda(void)
622{
623	if (!svgfile)
624		return;
625
626	fprintf(svgfile, "<g>\n");
627	svg_legenda_box(0,	"Disk", "disk");
628	svg_legenda_box(100,	"Network", "net");
629	svg_legenda_box(200,	"Sync", "sync");
630	svg_legenda_box(300,	"Poll", "poll");
631	svg_legenda_box(400,	"Error", "error");
632	fprintf(svgfile, "</g>\n");
633}
634
635void svg_legenda(void)
636{
637	if (!svgfile)
638		return;
639
640	fprintf(svgfile, "<g>\n");
641	svg_legenda_box(0,	"Running", "sample");
642	svg_legenda_box(100,	"Idle","c1");
643	svg_legenda_box(200,	"Deeper Idle", "c3");
644	svg_legenda_box(350,	"Deepest Idle", "c6");
645	svg_legenda_box(550,	"Sleeping", "process2");
646	svg_legenda_box(650,	"Waiting for cpu", "waiting");
647	svg_legenda_box(800,	"Blocked on IO", "blocked");
648	fprintf(svgfile, "</g>\n");
649}
650
651void svg_time_grid(double min_thickness)
652{
653	u64 i;
654
655	if (!svgfile)
656		return;
657
658	i = first_time;
659	while (i < last_time) {
660		int color = 220;
661		double thickness = 0.075;
662		if ((i % 100000000) == 0) {
663			thickness = 0.5;
664			color = 192;
665		}
666		if ((i % 1000000000) == 0) {
667			thickness = 2.0;
668			color = 128;
669		}
670
671		if (thickness >= min_thickness)
672			fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%" PRIu64 "\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%.3f\"/>\n",
673				time2pixels(i), SLOT_MULT/2, time2pixels(i),
674				total_height, color, color, color, thickness);
675
676		i += 10000000;
677	}
678}
679
680void svg_close(void)
681{
682	if (svgfile) {
683		fprintf(svgfile, "</svg>\n");
684		fclose(svgfile);
685		svgfile = NULL;
686	}
687}
688
689#define cpumask_bits(maskp) ((maskp)->bits)
690typedef struct { DECLARE_BITMAP(bits, MAX_NR_CPUS); } cpumask_t;
691
692struct topology {
693	cpumask_t *sib_core;
694	int sib_core_nr;
695	cpumask_t *sib_thr;
696	int sib_thr_nr;
697};
698
699static void scan_thread_topology(int *map, struct topology *t, int cpu,
700				 int *pos, int nr_cpus)
701{
702	int i;
703	int thr;
704
705	for (i = 0; i < t->sib_thr_nr; i++) {
706		if (!test_bit(cpu, cpumask_bits(&t->sib_thr[i])))
707			continue;
708
709		for_each_set_bit(thr, cpumask_bits(&t->sib_thr[i]), nr_cpus)
710			if (map[thr] == -1)
711				map[thr] = (*pos)++;
712	}
713}
714
715static void scan_core_topology(int *map, struct topology *t, int nr_cpus)
716{
717	int pos = 0;
718	int i;
719	int cpu;
720
721	for (i = 0; i < t->sib_core_nr; i++)
722		for_each_set_bit(cpu, cpumask_bits(&t->sib_core[i]), nr_cpus)
723			scan_thread_topology(map, t, cpu, &pos, nr_cpus);
724}
725
726static int str_to_bitmap(char *s, cpumask_t *b, int nr_cpus)
727{
728	int i;
729	int ret = 0;
730	struct perf_cpu_map *m;
731	struct perf_cpu c;
732
733	m = perf_cpu_map__new(s);
734	if (!m)
735		return -1;
736
737	for (i = 0; i < perf_cpu_map__nr(m); i++) {
738		c = perf_cpu_map__cpu(m, i);
739		if (c.cpu >= nr_cpus) {
740			ret = -1;
741			break;
742		}
743
744		__set_bit(c.cpu, cpumask_bits(b));
745	}
746
747	perf_cpu_map__put(m);
748
749	return ret;
750}
751
752int svg_build_topology_map(struct perf_env *env)
753{
754	int i, nr_cpus;
755	struct topology t;
756	char *sib_core, *sib_thr;
757	int ret = -1;
758
759	nr_cpus = min(env->nr_cpus_online, MAX_NR_CPUS);
760
761	t.sib_core_nr = env->nr_sibling_cores;
762	t.sib_thr_nr = env->nr_sibling_threads;
763	t.sib_core = calloc(env->nr_sibling_cores, sizeof(cpumask_t));
764	t.sib_thr = calloc(env->nr_sibling_threads, sizeof(cpumask_t));
765
766	sib_core = env->sibling_cores;
767	sib_thr = env->sibling_threads;
768
769	if (!t.sib_core || !t.sib_thr) {
770		fprintf(stderr, "topology: no memory\n");
771		goto exit;
772	}
773
774	for (i = 0; i < env->nr_sibling_cores; i++) {
775		if (str_to_bitmap(sib_core, &t.sib_core[i], nr_cpus)) {
776			fprintf(stderr, "topology: can't parse siblings map\n");
777			goto exit;
778		}
779
780		sib_core += strlen(sib_core) + 1;
781	}
782
783	for (i = 0; i < env->nr_sibling_threads; i++) {
784		if (str_to_bitmap(sib_thr, &t.sib_thr[i], nr_cpus)) {
785			fprintf(stderr, "topology: can't parse siblings map\n");
786			goto exit;
787		}
788
789		sib_thr += strlen(sib_thr) + 1;
790	}
791
792	topology_map = malloc(sizeof(int) * nr_cpus);
793	if (!topology_map) {
794		fprintf(stderr, "topology: no memory\n");
795		goto exit;
796	}
797
798	for (i = 0; i < nr_cpus; i++)
799		topology_map[i] = -1;
800
801	scan_core_topology(topology_map, &t, nr_cpus);
802
803	ret = 0;
804
805exit:
806	zfree(&t.sib_core);
807	zfree(&t.sib_thr);
808
809	return ret;
810}
811