2 * svghelper.c - helper functions for outputting svg
4 * (C) Copyright 2009 Intel Corporation
7 * Arjan van de Ven <arjan@linux.intel.com>
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
20 #include "svghelper.h"
22 static u64 first_time, last_time;
23 static u64 turbo_frequency, max_freq;
26 #define SLOT_MULT 30.0
27 #define SLOT_HEIGHT 25.0
29 int svg_page_width = 1000;
31 #define MIN_TEXT_SIZE 0.001
33 static u64 total_height;
36 static double cpu2slot(int cpu)
41 static double cpu2y(int cpu)
43 return cpu2slot(cpu) * SLOT_MULT;
46 static double time2pixels(u64 time)
50 X = 1.0 * svg_page_width * (time - first_time) / (last_time - first_time);
55 * Round text sizes so that the svg viewer only needs a discrete
56 * number of renderings of the font
58 static double round_text_size(double size)
68 target = target / 2.0;
73 void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end)
77 svgfile = fopen(filename, "w");
79 fprintf(stderr, "Cannot open %s for output\n", filename);
83 first_time = first_time / 100000000 * 100000000;
87 * if the recording is short, we default to a width of 1000, but
88 * for longer recordings we want at least 200 units of width per second
90 new_width = (last_time - first_time) / 5000000;
92 if (new_width > svg_page_width)
93 svg_page_width = new_width;
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);
99 fprintf(svgfile, "<defs>\n <style type=\"text/css\">\n <![CDATA[\n");
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(214,214, 0); fill-opacity:0.3; 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");
118 fprintf(svgfile, " ]]>\n </style>\n</defs>\n");
121 void svg_box(int Yslot, u64 start, u64 end, const char *type)
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);
130 void svg_sample(int Yslot, int cpu, u64 start, u64 end)
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);
139 text_size = (time2pixels(end)-time2pixels(start));
141 text_size = text_size/2;
142 if (text_size > 1.25)
144 text_size = round_text_size(text_size);
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);
152 static char *time_to_string(u64 duration)
154 static char text[80];
158 if (duration < 1000) /* less than 1 usec */
161 if (duration < 1000 * 1000) { /* less than 1 msec */
162 sprintf(text, "%4.1f us", duration / 1000.0);
165 sprintf(text, "%4.1f ms", duration / 1000.0 / 1000);
170 void svg_waiting(int Yslot, u64 start, u64 end)
181 if (end-start > 10 * 1000000) /* 10 msec */
184 text = time_to_string(end-start);
186 font_size = 1.0 * (time2pixels(end)-time2pixels(start));
191 font_size = round_text_size(font_size);
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",
199 fprintf(svgfile, "</g>\n");
202 static char *cpu_model(void)
204 static char cpu_m[255];
210 file = fopen("/proc/cpuinfo", "r");
212 while (fgets(buf, 255, file)) {
213 if (strstr(buf, "model name")) {
214 strncpy(cpu_m, &buf[13], 255);
223 void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)
229 max_freq = __max_freq;
230 turbo_frequency = __turbo_freq;
232 fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"cpu\"/>\n",
233 time2pixels(first_time),
234 time2pixels(last_time)-time2pixels(first_time),
235 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
237 sprintf(cpu_string, "CPU %i", (int)cpu+1);
238 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n",
239 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
241 fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\" font-size=\"1.25pt\">%s</text>\n",
242 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
245 void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name)
253 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), cpu2y(cpu));
254 fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
255 time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type);
256 width = time2pixels(end)-time2pixels(start);
260 width = round_text_size(width);
262 if (width > MIN_TEXT_SIZE)
263 fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%3.8fpt\">%s</text>\n",
266 fprintf(svgfile, "</g>\n");
269 void svg_cstate(int cpu, u64 start, u64 end, int type)
280 sprintf(style, "c%i", type);
282 fprintf(svgfile, "<rect class=\"%s\" x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\"/>\n",
284 time2pixels(start), time2pixels(end)-time2pixels(start),
285 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
287 width = (time2pixels(end)-time2pixels(start))/2.0;
291 width = round_text_size(width);
293 if (width > MIN_TEXT_SIZE)
294 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"%3.8fpt\">C%i</text>\n",
295 time2pixels(start), cpu2y(cpu)+width, width, type);
298 static char *HzToHuman(unsigned long hz)
300 static char buffer[1024];
301 unsigned long long Hz;
303 memset(buffer, 0, 1024);
307 /* default: just put the Number in */
308 sprintf(buffer, "%9lli", Hz);
311 sprintf(buffer, " %6lli Mhz", (Hz+500)/1000);
314 sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000);
316 if (Hz == turbo_frequency)
317 sprintf(buffer, "Turbo");
322 void svg_pstate(int cpu, u64 start, u64 end, u64 freq)
330 height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT);
331 height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height;
332 fprintf(svgfile, "<line x1=\"%4.8f\" x2=\"%4.8f\" y1=\"%4.1f\" y2=\"%4.1f\" class=\"pstate\"/>\n",
333 time2pixels(start), time2pixels(end), height, height);
334 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"0.25pt\">%s</text>\n",
335 time2pixels(start), height+0.9, HzToHuman(freq));
340 void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2)
350 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",
351 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
353 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n",
354 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2);
357 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",
358 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row2 * SLOT_MULT);
360 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n",
361 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1);
365 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",
366 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
368 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n",
369 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1);
372 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",
373 time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row1 * SLOT_MULT);
375 fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n",
376 time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2);
379 height = row1 * SLOT_MULT;
381 height += SLOT_HEIGHT;
383 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n",
384 time2pixels(start), height);
387 void svg_wakeline(u64 start, int row1, int row2)
396 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",
397 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT);
399 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",
400 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT);
402 height = row1 * SLOT_MULT;
404 height += SLOT_HEIGHT;
405 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n",
406 time2pixels(start), height);
409 void svg_interrupt(u64 start, int row)
414 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n",
415 time2pixels(start), row * SLOT_MULT);
416 fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n",
417 time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT);
420 void svg_text(int Yslot, u64 start, const char *text)
425 fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n",
426 time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text);
429 static void svg_legenda_box(int X, const char *text, const char *style)
432 boxsize = SLOT_HEIGHT / 2;
434 fprintf(svgfile, "<rect x=\"%i\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
435 X, boxsize, boxsize, style);
436 fprintf(svgfile, "<text transform=\"translate(%4.8f, %4.8f)\" font-size=\"%4.8fpt\">%s</text>\n",
437 X + boxsize + 5, boxsize, 0.8 * boxsize, text);
440 void svg_legenda(void)
445 svg_legenda_box(0, "Running", "sample");
446 svg_legenda_box(100, "Idle","rect.c1");
447 svg_legenda_box(200, "Deeper Idle", "rect.c3");
448 svg_legenda_box(350, "Deepest Idle", "rect.c6");
449 svg_legenda_box(550, "Sleeping", "process2");
450 svg_legenda_box(650, "Waiting for cpu", "waiting");
451 svg_legenda_box(800, "Blocked on IO", "blocked");
454 void svg_time_grid(void)
462 while (i < last_time) {
464 double thickness = 0.075;
465 if ((i % 100000000) == 0) {
469 if ((i % 1000000000) == 0) {
474 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",
475 time2pixels(i), SLOT_MULT/2, time2pixels(i), total_height, color, color, color, thickness);
484 fprintf(svgfile, "</svg>\n");