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15#include <stdio.h>
16#include <stdlib.h>
17#include <unistd.h>
18#include <string.h>
19
20#include "svghelper.h"
21
22static u64 first_time, last_time;
23static u64 turbo_frequency, max_freq;
24
25
26#define SLOT_MULT 30.0
27#define SLOT_HEIGHT 25.0
28
29int svg_page_width = 1000;
30
31#define MIN_TEXT_SIZE 0.01
32
33static u64 total_height;
34static FILE *svgfile;
35
36static double cpu2slot(int cpu)
37{
38 return 2 * cpu + 1;
39}
40
41static double cpu2y(int cpu)
42{
43 return cpu2slot(cpu) * SLOT_MULT;
44}
45
46static double time2pixels(u64 time)
47{
48 double X;
49
50 X = 1.0 * svg_page_width * (time - first_time) / (last_time - first_time);
51 return X;
52}
53
54
55
56
57
58static double round_text_size(double size)
59{
60 int loop = 100;
61 double target = 10.0;
62
63 if (size >= 10.0)
64 return size;
65 while (loop--) {
66 if (size >= target)
67 return target;
68 target = target / 2.0;
69 }
70 return size;
71}
72
73void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end)
74{
75 int new_width;
76
77 svgfile = fopen(filename, "w");
78 if (!svgfile) {
79 fprintf(stderr, "Cannot open %s for output\n", filename);
80 return;
81 }
82 first_time = start;
83 first_time = first_time / 100000000 * 100000000;
84 last_time = end;
85
86
87
88
89
90 new_width = (last_time - first_time) / 5000000;
91
92 if (new_width > svg_page_width)
93 svg_page_width = new_width;
94
95 total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT;
96 fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n");
97 fprintf(svgfile, "<svg width=\"%i\" height=\"%llu\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height);
98
99 fprintf(svgfile, "<defs>\n <style type=\"text/css\">\n <![CDATA[\n");
100
101 fprintf(svgfile, " rect { stroke-width: 1; }\n");
102 fprintf(svgfile, " rect.process { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1; stroke:rgb( 0, 0, 0); } \n");
103 fprintf(svgfile, " rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
104 fprintf(svgfile, " rect.sample { fill:rgb( 0, 0,255); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
105 fprintf(svgfile, " rect.blocked { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
106 fprintf(svgfile, " rect.waiting { fill:rgb(224,214, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
107 fprintf(svgfile, " rect.WAITING { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
108 fprintf(svgfile, " rect.cpu { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n");
109 fprintf(svgfile, " rect.pstate { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n");
110 fprintf(svgfile, " rect.c1 { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n");
111 fprintf(svgfile, " rect.c2 { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n");
112 fprintf(svgfile, " rect.c3 { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n");
113 fprintf(svgfile, " rect.c4 { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n");
114 fprintf(svgfile, " rect.c5 { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n");
115 fprintf(svgfile, " rect.c6 { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; } \n");
116 fprintf(svgfile, " line.pstate { stroke:rgb(255,255, 0); stroke-opacity:0.8; stroke-width:2; } \n");
117
118 fprintf(svgfile, " ]]>\n </style>\n</defs>\n");
119}
120
121void svg_box(int Yslot, u64 start, u64 end, const char *type)
122{
123 if (!svgfile)
124 return;
125
126 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n",
127 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);
128}
129
130void svg_sample(int Yslot, int cpu, u64 start, u64 end)
131{
132 double text_size;
133 if (!svgfile)
134 return;
135
136 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"sample\"/>\n",
137 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT);
138
139 text_size = (time2pixels(end)-time2pixels(start));
140 if (cpu > 9)
141 text_size = text_size/2;
142 if (text_size > 1.25)
143 text_size = 1.25;
144 text_size = round_text_size(text_size);
145
146 if (text_size > MIN_TEXT_SIZE)
147 fprintf(svgfile, "<text x=\"%1.8f\" y=\"%1.8f\" font-size=\"%1.8fpt\">%i</text>\n",
148 time2pixels(start), Yslot * SLOT_MULT + SLOT_HEIGHT - 1, text_size, cpu + 1);
149
150}
151
152static char *time_to_string(u64 duration)
153{
154 static char text[80];
155
156 text[0] = 0;
157
158 if (duration < 1000)
159 return text;
160
161 if (duration < 1000 * 1000) {
162 sprintf(text, "%4.1f us", duration / 1000.0);
163 return text;
164 }
165 sprintf(text, "%4.1f ms", duration / 1000.0 / 1000);
166
167 return text;
168}
169
170void svg_waiting(int Yslot, u64 start, u64 end)
171{
172 char *text;
173 const char *style;
174 double font_size;
175
176 if (!svgfile)
177 return;
178
179 style = "waiting";
180
181 if (end-start > 10 * 1000000)
182 style = "WAITING";
183
184 text = time_to_string(end-start);
185
186 font_size = 1.0 * (time2pixels(end)-time2pixels(start));
187
188 if (font_size > 3)
189 font_size = 3;
190
191 font_size = round_text_size(font_size);
192
193 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT);
194 fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
195 time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style);
196 if (font_size > MIN_TEXT_SIZE)
197 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%1.8fpt\"> %s</text>\n",
198 font_size, text);
199 fprintf(svgfile, "</g>\n");
200}
201
202static char *cpu_model(void)
203{
204 static char cpu_m[255];
205 char buf[256];
206 FILE *file;
207
208 cpu_m[0] = 0;
209
210 file = fopen("/proc/cpuinfo", "r");
211 if (file) {
212 while (fgets(buf, 255, file)) {
213 if (strstr(buf, "model name")) {
214 strncpy(cpu_m, &buf[13], 255);
215 break;
216 }
217 }
218 fclose(file);
219 }
220
221
222 file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r");
223 if (file) {
224 while (fgets(buf, 255, file)) {
225 unsigned int freq;
226 freq = strtoull(buf, NULL, 10);
227 if (freq > max_freq)
228 max_freq = freq;
229 }
230 fclose(file);
231 }
232 return cpu_m;
233}
234
235void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)
236{
237 char cpu_string[80];
238 if (!svgfile)
239 return;
240
241 max_freq = __max_freq;
242 turbo_frequency = __turbo_freq;
243
244 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"cpu\"/>\n",
245 time2pixels(first_time),
246 time2pixels(last_time)-time2pixels(first_time),
247 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
248
249 sprintf(cpu_string, "CPU %i", (int)cpu+1);
250 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n",
251 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
252
253 fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\" font-size=\"1.25pt\">%s</text>\n",
254 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
255}
256
257void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name)
258{
259 double width;
260
261 if (!svgfile)
262 return;
263
264
265 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), cpu2y(cpu));
266 fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
267 time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type);
268 width = time2pixels(end)-time2pixels(start);
269 if (width > 6)
270 width = 6;
271
272 width = round_text_size(width);
273
274 if (width > MIN_TEXT_SIZE)
275 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%3.8fpt\">%s</text>\n",
276 width, name);
277
278 fprintf(svgfile, "</g>\n");
279}
280
281void svg_cstate(int cpu, u64 start, u64 end, int type)
282{
283 double width;
284 char style[128];
285
286 if (!svgfile)
287 return;
288
289
290 if (type > 6)
291 type = 6;
292 sprintf(style, "c%i", type);
293
294 fprintf(svgfile, "<rect class=\"%s\" x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\"/>\n",
295 style,
296 time2pixels(start), time2pixels(end)-time2pixels(start),
297 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
298
299 width = (time2pixels(end)-time2pixels(start))/2.0;
300 if (width > 6)
301 width = 6;
302
303 width = round_text_size(width);
304
305 if (width > MIN_TEXT_SIZE)
306 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"%3.8fpt\">C%i</text>\n",
307 time2pixels(start), cpu2y(cpu)+width, width, type);
308}
309
310static char *HzToHuman(unsigned long hz)
311{
312 static char buffer[1024];
313 unsigned long long Hz;
314
315 memset(buffer, 0, 1024);
316
317 Hz = hz;
318
319
320 sprintf(buffer, "%9lli", Hz);
321
322 if (Hz > 1000)
323 sprintf(buffer, " %6lli Mhz", (Hz+500)/1000);
324
325 if (Hz > 1500000)
326 sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000);
327
328 if (Hz == turbo_frequency)
329 sprintf(buffer, "Turbo");
330
331 return buffer;
332}
333
334void svg_pstate(int cpu, u64 start, u64 end, u64 freq)
335{
336 double height = 0;
337
338 if (!svgfile)
339 return;
340
341 if (max_freq)
342 height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT);
343 height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height;
344 fprintf(svgfile, "<line x1=\"%4.8f\" x2=\"%4.8f\" y1=\"%4.1f\" y2=\"%4.1f\" class=\"pstate\"/>\n",
345 time2pixels(start), time2pixels(end), height, height);
346 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"0.25pt\">%s</text>\n",
347 time2pixels(start), height+0.9, HzToHuman(freq));
348
349}
350
351
352void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2)
353{
354 double height;
355
356 if (!svgfile)
357 return;
358
359
360 if (row1 < row2) {
361 if (row1) {
362 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",
363 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
364 if (desc2)
365 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n",
366 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2);
367 }
368 if (row2) {
369 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",
370 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row2 * SLOT_MULT);
371 if (desc1)
372 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n",
373 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1);
374 }
375 } else {
376 if (row2) {
377 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",
378 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
379 if (desc1)
380 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n",
381 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1);
382 }
383 if (row1) {
384 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",
385 time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row1 * SLOT_MULT);
386 if (desc2)
387 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n",
388 time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2);
389 }
390 }
391 height = row1 * SLOT_MULT;
392 if (row2 > row1)
393 height += SLOT_HEIGHT;
394 if (row1)
395 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n",
396 time2pixels(start), height);
397}
398
399void svg_wakeline(u64 start, int row1, int row2)
400{
401 double height;
402
403 if (!svgfile)
404 return;
405
406
407 if (row1 < row2)
408 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",
409 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT);
410 else
411 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",
412 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT);
413
414 height = row1 * SLOT_MULT;
415 if (row2 > row1)
416 height += SLOT_HEIGHT;
417 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n",
418 time2pixels(start), height);
419}
420
421void svg_interrupt(u64 start, int row)
422{
423 if (!svgfile)
424 return;
425
426 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n",
427 time2pixels(start), row * SLOT_MULT);
428 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n",
429 time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT);
430}
431
432void svg_text(int Yslot, u64 start, const char *text)
433{
434 if (!svgfile)
435 return;
436
437 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n",
438 time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text);
439}
440
441static void svg_legenda_box(int X, const char *text, const char *style)
442{
443 double boxsize;
444 boxsize = SLOT_HEIGHT / 2;
445
446 fprintf(svgfile, "<rect x=\"%i\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
447 X, boxsize, boxsize, style);
448 fprintf(svgfile, "<text transform=\"translate(%4.8f, %4.8f)\" font-size=\"%4.8fpt\">%s</text>\n",
449 X + boxsize + 5, boxsize, 0.8 * boxsize, text);
450}
451
452void svg_legenda(void)
453{
454 if (!svgfile)
455 return;
456
457 svg_legenda_box(0, "Running", "sample");
458 svg_legenda_box(100, "Idle","rect.c1");
459 svg_legenda_box(200, "Deeper Idle", "rect.c3");
460 svg_legenda_box(350, "Deepest Idle", "rect.c6");
461 svg_legenda_box(550, "Sleeping", "process2");
462 svg_legenda_box(650, "Waiting for cpu", "waiting");
463 svg_legenda_box(800, "Blocked on IO", "blocked");
464}
465
466void svg_time_grid(void)
467{
468 u64 i;
469
470 if (!svgfile)
471 return;
472
473 i = first_time;
474 while (i < last_time) {
475 int color = 220;
476 double thickness = 0.075;
477 if ((i % 100000000) == 0) {
478 thickness = 0.5;
479 color = 192;
480 }
481 if ((i % 1000000000) == 0) {
482 thickness = 2.0;
483 color = 128;
484 }
485
486 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%llu\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%1.3f\"/>\n",
487 time2pixels(i), SLOT_MULT/2, time2pixels(i), total_height, color, color, color, thickness);
488
489 i += 10000000;
490 }
491}
492
493void svg_close(void)
494{
495 if (svgfile) {
496 fprintf(svgfile, "</svg>\n");
497 fclose(svgfile);
498 svgfile = NULL;
499 }
500}
501