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https://github.com/edk2-porting/linux-next.git
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611a546bec
Tweak the output SVG to increase performance in SVG viewers by limiting the different types of font sizes and by smarter transformations on the text. At least with Inkscape this gives a notable performance improvement during zoom and scrolling. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <20090920181438.3a49cb93@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
489 lines
14 KiB
C
489 lines
14 KiB
C
/*
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* svghelper.c - helper functions for outputting svg
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*
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* (C) Copyright 2009 Intel Corporation
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*
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* Authors:
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* Arjan van de Ven <arjan@linux.intel.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; version 2
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* of the License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include "svghelper.h"
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static u64 first_time, last_time;
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static u64 turbo_frequency, max_freq;
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#define SLOT_MULT 30.0
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#define SLOT_HEIGHT 25.0
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int svg_page_width = 1000;
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#define MIN_TEXT_SIZE 0.001
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static u64 total_height;
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static FILE *svgfile;
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static double cpu2slot(int cpu)
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{
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return 2 * cpu + 1;
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}
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static double cpu2y(int cpu)
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{
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return cpu2slot(cpu) * SLOT_MULT;
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}
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static double time2pixels(u64 time)
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{
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double X;
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X = 1.0 * svg_page_width * (time - first_time) / (last_time - first_time);
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return X;
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}
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/*
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* Round text sizes so that the svg viewer only needs a discrete
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* number of renderings of the font
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*/
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static double round_text_size(double size)
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{
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int loop = 100;
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double target = 10.0;
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if (size >= 10.0)
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return size;
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while (loop--) {
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if (size >= target)
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return target;
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target = target / 2.0;
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}
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return size;
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}
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void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end)
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{
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int new_width;
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svgfile = fopen(filename, "w");
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if (!svgfile) {
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fprintf(stderr, "Cannot open %s for output\n", filename);
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return;
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}
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first_time = start;
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first_time = first_time / 100000000 * 100000000;
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last_time = end;
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/*
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* if the recording is short, we default to a width of 1000, but
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* for longer recordings we want at least 200 units of width per second
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*/
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new_width = (last_time - first_time) / 5000000;
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if (new_width > svg_page_width)
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svg_page_width = new_width;
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total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT;
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fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n");
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fprintf(svgfile, "<svg width=\"%i\" height=\"%llu\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height);
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fprintf(svgfile, "<defs>\n <style type=\"text/css\">\n <![CDATA[\n");
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fprintf(svgfile, " rect { stroke-width: 1; }\n");
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fprintf(svgfile, " rect.process { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1; stroke:rgb( 0, 0, 0); } \n");
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fprintf(svgfile, " rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
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fprintf(svgfile, " rect.sample { fill:rgb( 0, 0,255); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
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fprintf(svgfile, " rect.blocked { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
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fprintf(svgfile, " rect.waiting { fill:rgb(214,214, 0); fill-opacity:0.3; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
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fprintf(svgfile, " rect.WAITING { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0; stroke:rgb( 0, 0, 0); } \n");
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fprintf(svgfile, " rect.cpu { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n");
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fprintf(svgfile, " rect.pstate { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n");
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fprintf(svgfile, " rect.c1 { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n");
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fprintf(svgfile, " rect.c2 { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n");
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fprintf(svgfile, " rect.c3 { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n");
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fprintf(svgfile, " rect.c4 { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n");
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fprintf(svgfile, " rect.c5 { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n");
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fprintf(svgfile, " rect.c6 { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; } \n");
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fprintf(svgfile, " line.pstate { stroke:rgb(255,255, 0); stroke-opacity:0.8; stroke-width:2; } \n");
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fprintf(svgfile, " ]]>\n </style>\n</defs>\n");
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}
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void svg_box(int Yslot, u64 start, u64 end, const char *type)
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{
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if (!svgfile)
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return;
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fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n",
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time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);
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}
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void svg_sample(int Yslot, int cpu, u64 start, u64 end)
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{
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double text_size;
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if (!svgfile)
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return;
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fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"sample\"/>\n",
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time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT);
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text_size = (time2pixels(end)-time2pixels(start));
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if (cpu > 9)
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text_size = text_size/2;
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if (text_size > 1.25)
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text_size = 1.25;
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text_size = round_text_size(text_size);
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if (text_size > MIN_TEXT_SIZE)
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fprintf(svgfile, "<text x=\"%1.8f\" y=\"%1.8f\" font-size=\"%1.8fpt\">%i</text>\n",
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time2pixels(start), Yslot * SLOT_MULT + SLOT_HEIGHT - 1, text_size, cpu + 1);
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}
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static char *time_to_string(u64 duration)
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{
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static char text[80];
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text[0] = 0;
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if (duration < 1000) /* less than 1 usec */
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return text;
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if (duration < 1000 * 1000) { /* less than 1 msec */
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sprintf(text, "%4.1f us", duration / 1000.0);
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return text;
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}
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sprintf(text, "%4.1f ms", duration / 1000.0 / 1000);
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return text;
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}
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void svg_waiting(int Yslot, u64 start, u64 end)
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{
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char *text;
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const char *style;
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double font_size;
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if (!svgfile)
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return;
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style = "waiting";
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if (end-start > 10 * 1000000) /* 10 msec */
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style = "WAITING";
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text = time_to_string(end-start);
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font_size = 1.0 * (time2pixels(end)-time2pixels(start));
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if (font_size > 3)
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font_size = 3;
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font_size = round_text_size(font_size);
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fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT);
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fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
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time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style);
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if (font_size > MIN_TEXT_SIZE)
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fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%1.8fpt\"> %s</text>\n",
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font_size, text);
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fprintf(svgfile, "</g>\n");
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}
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static char *cpu_model(void)
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{
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static char cpu_m[255];
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char buf[256];
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FILE *file;
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cpu_m[0] = 0;
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/* CPU type */
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file = fopen("/proc/cpuinfo", "r");
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if (file) {
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while (fgets(buf, 255, file)) {
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if (strstr(buf, "model name")) {
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strncpy(cpu_m, &buf[13], 255);
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break;
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}
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}
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fclose(file);
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}
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return cpu_m;
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}
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void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)
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{
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char cpu_string[80];
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if (!svgfile)
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return;
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max_freq = __max_freq;
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turbo_frequency = __turbo_freq;
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fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"cpu\"/>\n",
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time2pixels(first_time),
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time2pixels(last_time)-time2pixels(first_time),
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cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
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sprintf(cpu_string, "CPU %i", (int)cpu+1);
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fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n",
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10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
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fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\" font-size=\"1.25pt\">%s</text>\n",
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10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
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}
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void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name)
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{
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double width;
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if (!svgfile)
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return;
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fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), cpu2y(cpu));
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fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
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time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type);
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width = time2pixels(end)-time2pixels(start);
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if (width > 6)
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width = 6;
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width = round_text_size(width);
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if (width > MIN_TEXT_SIZE)
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fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%3.8fpt\">%s</text>\n",
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width, name);
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fprintf(svgfile, "</g>\n");
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}
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void svg_cstate(int cpu, u64 start, u64 end, int type)
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{
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double width;
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char style[128];
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if (!svgfile)
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return;
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if (type > 6)
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type = 6;
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sprintf(style, "c%i", type);
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fprintf(svgfile, "<rect class=\"%s\" x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\"/>\n",
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style,
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time2pixels(start), time2pixels(end)-time2pixels(start),
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cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
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width = (time2pixels(end)-time2pixels(start))/2.0;
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if (width > 6)
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width = 6;
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width = round_text_size(width);
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if (width > MIN_TEXT_SIZE)
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fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"%3.8fpt\">C%i</text>\n",
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time2pixels(start), cpu2y(cpu)+width, width, type);
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}
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static char *HzToHuman(unsigned long hz)
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{
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static char buffer[1024];
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unsigned long long Hz;
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memset(buffer, 0, 1024);
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Hz = hz;
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/* default: just put the Number in */
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sprintf(buffer, "%9lli", Hz);
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if (Hz > 1000)
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sprintf(buffer, " %6lli Mhz", (Hz+500)/1000);
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if (Hz > 1500000)
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sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000);
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if (Hz == turbo_frequency)
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sprintf(buffer, "Turbo");
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return buffer;
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}
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void svg_pstate(int cpu, u64 start, u64 end, u64 freq)
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{
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double height = 0;
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if (!svgfile)
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return;
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if (max_freq)
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height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT);
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height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height;
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fprintf(svgfile, "<line x1=\"%4.8f\" x2=\"%4.8f\" y1=\"%4.1f\" y2=\"%4.1f\" class=\"pstate\"/>\n",
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time2pixels(start), time2pixels(end), height, height);
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fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"0.25pt\">%s</text>\n",
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time2pixels(start), height+0.9, HzToHuman(freq));
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}
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void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2)
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{
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double height;
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if (!svgfile)
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return;
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if (row1 < row2) {
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if (row1) {
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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",
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time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
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if (desc2)
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fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n",
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time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2);
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}
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if (row2) {
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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",
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time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row2 * SLOT_MULT);
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if (desc1)
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fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s ></text></g>\n",
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time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1);
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}
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} else {
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if (row2) {
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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",
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time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
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if (desc1)
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fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n",
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time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1);
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}
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if (row1) {
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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",
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time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row1 * SLOT_MULT);
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if (desc2)
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fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s <</text></g>\n",
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time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2);
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}
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}
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height = row1 * SLOT_MULT;
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if (row2 > row1)
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height += SLOT_HEIGHT;
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if (row1)
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fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n",
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time2pixels(start), height);
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}
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void svg_wakeline(u64 start, int row1, int row2)
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{
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double height;
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if (!svgfile)
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return;
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if (row1 < row2)
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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",
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time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT);
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else
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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",
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time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT);
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height = row1 * SLOT_MULT;
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if (row2 > row1)
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height += SLOT_HEIGHT;
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fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n",
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time2pixels(start), height);
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}
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void svg_interrupt(u64 start, int row)
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{
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if (!svgfile)
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return;
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fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n",
|
|
time2pixels(start), row * SLOT_MULT);
|
|
fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n",
|
|
time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT);
|
|
}
|
|
|
|
void svg_text(int Yslot, u64 start, const char *text)
|
|
{
|
|
if (!svgfile)
|
|
return;
|
|
|
|
fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n",
|
|
time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text);
|
|
}
|
|
|
|
static void svg_legenda_box(int X, const char *text, const char *style)
|
|
{
|
|
double boxsize;
|
|
boxsize = SLOT_HEIGHT / 2;
|
|
|
|
fprintf(svgfile, "<rect x=\"%i\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
|
|
X, boxsize, boxsize, style);
|
|
fprintf(svgfile, "<text transform=\"translate(%4.8f, %4.8f)\" font-size=\"%4.8fpt\">%s</text>\n",
|
|
X + boxsize + 5, boxsize, 0.8 * boxsize, text);
|
|
}
|
|
|
|
void svg_legenda(void)
|
|
{
|
|
if (!svgfile)
|
|
return;
|
|
|
|
svg_legenda_box(0, "Running", "sample");
|
|
svg_legenda_box(100, "Idle","rect.c1");
|
|
svg_legenda_box(200, "Deeper Idle", "rect.c3");
|
|
svg_legenda_box(350, "Deepest Idle", "rect.c6");
|
|
svg_legenda_box(550, "Sleeping", "process2");
|
|
svg_legenda_box(650, "Waiting for cpu", "waiting");
|
|
svg_legenda_box(800, "Blocked on IO", "blocked");
|
|
}
|
|
|
|
void svg_time_grid(void)
|
|
{
|
|
u64 i;
|
|
|
|
if (!svgfile)
|
|
return;
|
|
|
|
i = first_time;
|
|
while (i < last_time) {
|
|
int color = 220;
|
|
double thickness = 0.075;
|
|
if ((i % 100000000) == 0) {
|
|
thickness = 0.5;
|
|
color = 192;
|
|
}
|
|
if ((i % 1000000000) == 0) {
|
|
thickness = 2.0;
|
|
color = 128;
|
|
}
|
|
|
|
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",
|
|
time2pixels(i), SLOT_MULT/2, time2pixels(i), total_height, color, color, color, thickness);
|
|
|
|
i += 10000000;
|
|
}
|
|
}
|
|
|
|
void svg_close(void)
|
|
{
|
|
if (svgfile) {
|
|
fprintf(svgfile, "</svg>\n");
|
|
fclose(svgfile);
|
|
svgfile = NULL;
|
|
}
|
|
}
|