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
21 #include "svghelper.h"
22
23 static u64 first_time, last_time;
24 static u64 turbo_frequency, max_freq;
25
26
27 #define SLOT_MULT 30.0
28 #define SLOT_HEIGHT 25.0
29
30 int svg_page_width = 1000;
31
32 #define MIN_TEXT_SIZE 0.01
33
34 static u64 total_height;
35 static FILE *svgfile;
36
cpu2slot(int cpu)37 static double cpu2slot(int cpu)
38 {
39 return 2 * cpu + 1;
40 }
41
cpu2y(int cpu)42 static double cpu2y(int cpu)
43 {
44 return cpu2slot(cpu) * SLOT_MULT;
45 }
46
time2pixels(u64 __time)47 static double time2pixels(u64 __time)
48 {
49 double X;
50
51 X = 1.0 * svg_page_width * (__time - first_time) / (last_time - first_time);
52 return X;
53 }
54
55 /*
56 * Round text sizes so that the svg viewer only needs a discrete
57 * number of renderings of the font
58 */
round_text_size(double size)59 static double round_text_size(double size)
60 {
61 int loop = 100;
62 double target = 10.0;
63
64 if (size >= 10.0)
65 return size;
66 while (loop--) {
67 if (size >= target)
68 return target;
69 target = target / 2.0;
70 }
71 return size;
72 }
73
open_svg(const char * filename,int cpus,int rows,u64 start,u64 end)74 void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end)
75 {
76 int new_width;
77
78 svgfile = fopen(filename, "w");
79 if (!svgfile) {
80 fprintf(stderr, "Cannot open %s for output\n", filename);
81 return;
82 }
83 first_time = start;
84 first_time = first_time / 100000000 * 100000000;
85 last_time = end;
86
87 /*
88 * if the recording is short, we default to a width of 1000, but
89 * for longer recordings we want at least 200 units of width per second
90 */
91 new_width = (last_time - first_time) / 5000000;
92
93 if (new_width > svg_page_width)
94 svg_page_width = new_width;
95
96 total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT;
97 fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n");
98 fprintf(svgfile, "<svg width=\"%i\" height=\"%" PRIu64 "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height);
99
100 fprintf(svgfile, "<defs>\n <style type=\"text/css\">\n <![CDATA[\n");
101
102 fprintf(svgfile, " rect { stroke-width: 1; }\n");
103 fprintf(svgfile, " rect.process { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1; stroke:rgb( 0, 0, 0); } \n");
104 fprintf(svgfile, " rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
105 fprintf(svgfile, " rect.sample { fill:rgb( 0, 0,255); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
106 fprintf(svgfile, " rect.blocked { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
107 fprintf(svgfile, " rect.waiting { fill:rgb(224,214, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
108 fprintf(svgfile, " rect.WAITING { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
109 fprintf(svgfile, " rect.cpu { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n");
110 fprintf(svgfile, " rect.pstate { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n");
111 fprintf(svgfile, " rect.c1 { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n");
112 fprintf(svgfile, " rect.c2 { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n");
113 fprintf(svgfile, " rect.c3 { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n");
114 fprintf(svgfile, " rect.c4 { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n");
115 fprintf(svgfile, " rect.c5 { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n");
116 fprintf(svgfile, " rect.c6 { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; } \n");
117 fprintf(svgfile, " line.pstate { stroke:rgb(255,255, 0); stroke-opacity:0.8; stroke-width:2; } \n");
118
119 fprintf(svgfile, " ]]>\n </style>\n</defs>\n");
120 }
121
svg_box(int Yslot,u64 start,u64 end,const char * type)122 void svg_box(int Yslot, u64 start, u64 end, const char *type)
123 {
124 if (!svgfile)
125 return;
126
127 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n",
128 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);
129 }
130
svg_sample(int Yslot,int cpu,u64 start,u64 end)131 void svg_sample(int Yslot, int cpu, u64 start, u64 end)
132 {
133 double text_size;
134 if (!svgfile)
135 return;
136
137 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"sample\"/>\n",
138 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT);
139
140 text_size = (time2pixels(end)-time2pixels(start));
141 if (cpu > 9)
142 text_size = text_size/2;
143 if (text_size > 1.25)
144 text_size = 1.25;
145 text_size = round_text_size(text_size);
146
147 if (text_size > MIN_TEXT_SIZE)
148 fprintf(svgfile, "<text x=\"%1.8f\" y=\"%1.8f\" font-size=\"%1.8fpt\">%i</text>\n",
149 time2pixels(start), Yslot * SLOT_MULT + SLOT_HEIGHT - 1, text_size, cpu + 1);
150
151 }
152
time_to_string(u64 duration)153 static char *time_to_string(u64 duration)
154 {
155 static char text[80];
156
157 text[0] = 0;
158
159 if (duration < 1000) /* less than 1 usec */
160 return text;
161
162 if (duration < 1000 * 1000) { /* less than 1 msec */
163 sprintf(text, "%4.1f us", duration / 1000.0);
164 return text;
165 }
166 sprintf(text, "%4.1f ms", duration / 1000.0 / 1000);
167
168 return text;
169 }
170
svg_waiting(int Yslot,u64 start,u64 end)171 void svg_waiting(int Yslot, u64 start, u64 end)
172 {
173 char *text;
174 const char *style;
175 double font_size;
176
177 if (!svgfile)
178 return;
179
180 style = "waiting";
181
182 if (end-start > 10 * 1000000) /* 10 msec */
183 style = "WAITING";
184
185 text = time_to_string(end-start);
186
187 font_size = 1.0 * (time2pixels(end)-time2pixels(start));
188
189 if (font_size > 3)
190 font_size = 3;
191
192 font_size = round_text_size(font_size);
193
194 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT);
195 fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
196 time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style);
197 if (font_size > MIN_TEXT_SIZE)
198 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%1.8fpt\"> %s</text>\n",
199 font_size, text);
200 fprintf(svgfile, "</g>\n");
201 }
202
cpu_model(void)203 static char *cpu_model(void)
204 {
205 static char cpu_m[255];
206 char buf[256];
207 FILE *file;
208
209 cpu_m[0] = 0;
210 /* CPU type */
211 file = fopen("/proc/cpuinfo", "r");
212 if (file) {
213 while (fgets(buf, 255, file)) {
214 if (strstr(buf, "model name")) {
215 strncpy(cpu_m, &buf[13], 255);
216 break;
217 }
218 }
219 fclose(file);
220 }
221
222 /* CPU type */
223 file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r");
224 if (file) {
225 while (fgets(buf, 255, file)) {
226 unsigned int freq;
227 freq = strtoull(buf, NULL, 10);
228 if (freq > max_freq)
229 max_freq = freq;
230 }
231 fclose(file);
232 }
233 return cpu_m;
234 }
235
svg_cpu_box(int cpu,u64 __max_freq,u64 __turbo_freq)236 void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)
237 {
238 char cpu_string[80];
239 if (!svgfile)
240 return;
241
242 max_freq = __max_freq;
243 turbo_frequency = __turbo_freq;
244
245 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"cpu\"/>\n",
246 time2pixels(first_time),
247 time2pixels(last_time)-time2pixels(first_time),
248 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
249
250 sprintf(cpu_string, "CPU %i", (int)cpu+1);
251 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n",
252 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
253
254 fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\" font-size=\"1.25pt\">%s</text>\n",
255 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
256 }
257
svg_process(int cpu,u64 start,u64 end,const char * type,const char * name)258 void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name)
259 {
260 double width;
261
262 if (!svgfile)
263 return;
264
265
266 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), cpu2y(cpu));
267 fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
268 time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type);
269 width = time2pixels(end)-time2pixels(start);
270 if (width > 6)
271 width = 6;
272
273 width = round_text_size(width);
274
275 if (width > MIN_TEXT_SIZE)
276 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%3.8fpt\">%s</text>\n",
277 width, name);
278
279 fprintf(svgfile, "</g>\n");
280 }
281
svg_cstate(int cpu,u64 start,u64 end,int type)282 void svg_cstate(int cpu, u64 start, u64 end, int type)
283 {
284 double width;
285 char style[128];
286
287 if (!svgfile)
288 return;
289
290
291 if (type > 6)
292 type = 6;
293 sprintf(style, "c%i", type);
294
295 fprintf(svgfile, "<rect class=\"%s\" x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\"/>\n",
296 style,
297 time2pixels(start), time2pixels(end)-time2pixels(start),
298 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
299
300 width = (time2pixels(end)-time2pixels(start))/2.0;
301 if (width > 6)
302 width = 6;
303
304 width = round_text_size(width);
305
306 if (width > MIN_TEXT_SIZE)
307 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"%3.8fpt\">C%i</text>\n",
308 time2pixels(start), cpu2y(cpu)+width, width, type);
309 }
310
HzToHuman(unsigned long hz)311 static char *HzToHuman(unsigned long hz)
312 {
313 static char buffer[1024];
314 unsigned long long Hz;
315
316 memset(buffer, 0, 1024);
317
318 Hz = hz;
319
320 /* default: just put the Number in */
321 sprintf(buffer, "%9lli", Hz);
322
323 if (Hz > 1000)
324 sprintf(buffer, " %6lli Mhz", (Hz+500)/1000);
325
326 if (Hz > 1500000)
327 sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000);
328
329 if (Hz == turbo_frequency)
330 sprintf(buffer, "Turbo");
331
332 return buffer;
333 }
334
svg_pstate(int cpu,u64 start,u64 end,u64 freq)335 void svg_pstate(int cpu, u64 start, u64 end, u64 freq)
336 {
337 double height = 0;
338
339 if (!svgfile)
340 return;
341
342 if (max_freq)
343 height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT);
344 height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height;
345 fprintf(svgfile, "<line x1=\"%4.8f\" x2=\"%4.8f\" y1=\"%4.1f\" y2=\"%4.1f\" class=\"pstate\"/>\n",
346 time2pixels(start), time2pixels(end), height, height);
347 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"0.25pt\">%s</text>\n",
348 time2pixels(start), height+0.9, HzToHuman(freq));
349
350 }
351
352
svg_partial_wakeline(u64 start,int row1,char * desc1,int row2,char * desc2)353 void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2)
354 {
355 double height;
356
357 if (!svgfile)
358 return;
359
360
361 if (row1 < row2) {
362 if (row1) {
363 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
364 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
365 if (desc2)
366 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n",
367 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2);
368 }
369 if (row2) {
370 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
371 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row2 * SLOT_MULT);
372 if (desc1)
373 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n",
374 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1);
375 }
376 } else {
377 if (row2) {
378 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
379 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
380 if (desc1)
381 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n",
382 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1);
383 }
384 if (row1) {
385 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
386 time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row1 * SLOT_MULT);
387 if (desc2)
388 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n",
389 time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2);
390 }
391 }
392 height = row1 * SLOT_MULT;
393 if (row2 > row1)
394 height += SLOT_HEIGHT;
395 if (row1)
396 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n",
397 time2pixels(start), height);
398 }
399
svg_wakeline(u64 start,int row1,int row2)400 void svg_wakeline(u64 start, int row1, int row2)
401 {
402 double height;
403
404 if (!svgfile)
405 return;
406
407
408 if (row1 < row2)
409 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
410 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT);
411 else
412 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
413 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT);
414
415 height = row1 * SLOT_MULT;
416 if (row2 > row1)
417 height += SLOT_HEIGHT;
418 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n",
419 time2pixels(start), height);
420 }
421
svg_interrupt(u64 start,int row)422 void svg_interrupt(u64 start, int row)
423 {
424 if (!svgfile)
425 return;
426
427 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n",
428 time2pixels(start), row * SLOT_MULT);
429 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n",
430 time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT);
431 }
432
svg_text(int Yslot,u64 start,const char * text)433 void svg_text(int Yslot, u64 start, const char *text)
434 {
435 if (!svgfile)
436 return;
437
438 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n",
439 time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text);
440 }
441
svg_legenda_box(int X,const char * text,const char * style)442 static void svg_legenda_box(int X, const char *text, const char *style)
443 {
444 double boxsize;
445 boxsize = SLOT_HEIGHT / 2;
446
447 fprintf(svgfile, "<rect x=\"%i\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
448 X, boxsize, boxsize, style);
449 fprintf(svgfile, "<text transform=\"translate(%4.8f, %4.8f)\" font-size=\"%4.8fpt\">%s</text>\n",
450 X + boxsize + 5, boxsize, 0.8 * boxsize, text);
451 }
452
svg_legenda(void)453 void svg_legenda(void)
454 {
455 if (!svgfile)
456 return;
457
458 svg_legenda_box(0, "Running", "sample");
459 svg_legenda_box(100, "Idle","c1");
460 svg_legenda_box(200, "Deeper Idle", "c3");
461 svg_legenda_box(350, "Deepest Idle", "c6");
462 svg_legenda_box(550, "Sleeping", "process2");
463 svg_legenda_box(650, "Waiting for cpu", "waiting");
464 svg_legenda_box(800, "Blocked on IO", "blocked");
465 }
466
svg_time_grid(void)467 void svg_time_grid(void)
468 {
469 u64 i;
470
471 if (!svgfile)
472 return;
473
474 i = first_time;
475 while (i < last_time) {
476 int color = 220;
477 double thickness = 0.075;
478 if ((i % 100000000) == 0) {
479 thickness = 0.5;
480 color = 192;
481 }
482 if ((i % 1000000000) == 0) {
483 thickness = 2.0;
484 color = 128;
485 }
486
487 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%" PRIu64 "\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%1.3f\"/>\n",
488 time2pixels(i), SLOT_MULT/2, time2pixels(i), total_height, color, color, color, thickness);
489
490 i += 10000000;
491 }
492 }
493
svg_close(void)494 void svg_close(void)
495 {
496 if (svgfile) {
497 fprintf(svgfile, "</svg>\n");
498 fclose(svgfile);
499 svgfile = NULL;
500 }
501 }
502