Commit f48d55ce authored by Arjan van de Ven's avatar Arjan van de Ven Committed by Ingo Molnar
Browse files

perf: Add a SVG helper library file 



The timechart tool writes out SVG format output; this patch adds a
set of helper functions to abstract dealing with SVG from the core
timechart code.

Signed-off-by: default avatarArjan van de Ven <arjan@linux.intel.com>
Acked-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20090912130613.677f0516@infradead.org>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 61613521

tools/perf/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -373,6 +373,7 @@ LIB_OBJS += util/thread.o 
LIB_OBJS += util/trace-event-parse.o

LIB_OBJS += util/trace-event-read.o

LIB_OBJS += util/trace-event-info.o

LIB_OBJS += util/svghelper.o



BUILTIN_OBJS += builtin-annotate.o

BUILTIN_OBJS += builtin-help.o

tools/perf/util/svghelper.c

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Original line number Diff line number Diff line 
/*

 * svghelper.c - helper functions for outputting svg

 *

 * (C) Copyright 2009 Intel Corporation

 *

 * Authors:

 *     Arjan van de Ven <arjan@linux.intel.com>

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; version 2

 * of the License.

 */



#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include <string.h>



#include "svghelper.h"



static u64 first_time, last_time;

static u64 turbo_frequency, max_freq;





#define SLOT_MULT 30.0

#define SLOT_HEIGHT 25.0

#define WIDTH 1000.0



static u64 total_height;

static FILE *svgfile;



static double cpu2slot(int cpu)

{

	return 2 * cpu + 1;

}



static double cpu2y(int cpu)

{

	return cpu2slot(cpu) * SLOT_MULT;

}



static double time2pixels(u64 time)

{

	double X;



	X = WIDTH * (time - first_time) / (last_time - first_time);

	return X;

}



void open_svg(const char *filename, int cpus, int rows)

{



	svgfile = fopen(filename, "w");

	if (!svgfile) {

		fprintf(stderr, "Cannot open %s for output\n", filename);

		return;

	}

	total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT;

	fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n");

	fprintf(svgfile, "<svg width=\"%4.1f\" height=\"%llu\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", WIDTH, total_height);



	fprintf(svgfile, "<defs>\n  <style type=\"text/css\">\n    <![CDATA[\n");



	fprintf(svgfile, "      rect          { stroke-width: 1; }\n");

	fprintf(svgfile, "      rect.process  { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1;   stroke:rgb(  0,  0,  0); } \n");

	fprintf(svgfile, "      rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");

	fprintf(svgfile, "      rect.sample   { fill:rgb(  0,  0,255); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");

	fprintf(svgfile, "      rect.blocked  { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");

	fprintf(svgfile, "      rect.waiting  { fill:rgb(255,255,  0); fill-opacity:0.3; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");

	fprintf(svgfile, "      rect.cpu      { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n");

	fprintf(svgfile, "      rect.pstate   { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n");

	fprintf(svgfile, "      rect.c1       { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n");

	fprintf(svgfile, "      rect.c2       { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n");

	fprintf(svgfile, "      rect.c3       { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n");

	fprintf(svgfile, "      rect.c4       { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n");

	fprintf(svgfile, "      rect.c5       { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n");

	fprintf(svgfile, "      rect.c6       { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0; } \n");

	fprintf(svgfile, "      line.pstate   { stroke:rgb(255,255,  0); stroke-opacity:0.8; stroke-width:2; } \n");



	fprintf(svgfile, "    ]]>\n   </style>\n</defs>\n");

}



void svg_box(int Yslot, u64 start, u64 end, const char *type)

{

	if (!svgfile)

		return;



	fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n",

		time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);

}



void svg_sample(int Yslot, int cpu, u64 start, u64 end, const char *type)

{

	double text_size;

	if (!svgfile)

		return;



	fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n",

		time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);



	text_size = (time2pixels(end)-time2pixels(start));

	if (cpu > 9)

		text_size = text_size/2;

	if (text_size > 1.25)

		text_size = 1.25;

	if (text_size > 0.0001)

		fprintf(svgfile, "<text transform=\"translate(%1.6f,%1.6f)\" font-size=\"%1.6fpt\">%i</text>\n",

			time2pixels(start), Yslot *  SLOT_MULT + SLOT_HEIGHT - 1, text_size,  cpu + 1);



}



static char *cpu_model(void)

{

	static char cpu_m[255];

	char buf[256];

	FILE *file;



	cpu_m[0] = 0;

	/* CPU type */

	file = fopen("/proc/cpuinfo", "r");

	if (file) {

		while (fgets(buf, 255, file)) {

			if (strstr(buf, "model name")) {

				strncpy(cpu_m, &buf[13], 255);

				break;

			}

		}

		fclose(file);

	}

	return cpu_m;

}



void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)

{

	char cpu_string[80];

	if (!svgfile)

		return;



	max_freq = __max_freq;

	turbo_frequency = __turbo_freq;



	fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"cpu\"/>\n",

		time2pixels(first_time),

		time2pixels(last_time)-time2pixels(first_time),

		cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);



	sprintf(cpu_string, "CPU %i", (int)cpu+1);

	fprintf(svgfile, "<text transform=\"translate(%4.1f,%4.1f)\">%s</text>\n",

		10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);



	fprintf(svgfile, "<text transform=\"translate(%4.1f,%4.1f)\" font-size=\"1.25pt\">%s</text>\n",

		10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());

}



void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name)

{

	double width;



	if (!svgfile)

		return;



	fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n",

		time2pixels(start), time2pixels(end)-time2pixels(start), cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT, type);

	width = time2pixels(end)-time2pixels(start);

	if (width > 6)

		width = 6;



	if (width > 0.001)

		fprintf(svgfile, "<text  transform=\"translate(%4.5f,%4.5f) rotate(90)\" font-size=\"%3.4fpt\">%s</text>\n",

			time2pixels(start), cpu2y(cpu), width, name);

}



void svg_cstate(int cpu, u64 start, u64 end, int type)

{

	double width;

	char style[128];



	if (!svgfile)

		return;





	if (type > 6)

		type = 6;

	sprintf(style, "c%i", type);



	fprintf(svgfile, "<rect class=\"%s\" x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\"/>\n",

		style,

		time2pixels(start), time2pixels(end)-time2pixels(start),

		cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);



	width = time2pixels(end)-time2pixels(start);

	if (width > 6)

		width = 6;



	if (width > 0.05)

		fprintf(svgfile, "<text  transform=\"translate(%4.5f,%4.5f) rotate(90)\" font-size=\"%3.4fpt\">C%i</text>\n",

			time2pixels(start), cpu2y(cpu), width, type);

}



static char *HzToHuman(unsigned long hz)

{

	static char buffer[1024];

	unsigned long long Hz;



	memset(buffer, 0, 1024);



	Hz = hz;



	/* default: just put the Number in */

	sprintf(buffer, "%9lli", Hz);



	if (Hz > 1000)

		sprintf(buffer, " %6lli Mhz", (Hz+500)/1000);



	if (Hz > 1500000)

		sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000);



	if (Hz == turbo_frequency)

		sprintf(buffer, "Turbo");



	return buffer;

}



void svg_pstate(int cpu, u64 start, u64 end, u64 freq)

{

	double height = 0;



	if (!svgfile)

		return;



	if (max_freq)

		height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT);

	height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height;

	fprintf(svgfile, "<line x1=\"%4.8f\" x2=\"%4.8f\" y1=\"%4.1f\" y2=\"%4.1f\" class=\"pstate\"/>\n",

		time2pixels(start), time2pixels(end), height, height);

	fprintf(svgfile, "<text transform=\"translate(%4.1f,%4.1f)\" font-size=\"0.25pt\">%s</text>\n",

		time2pixels(start), height+0.9, HzToHuman(freq));



}





void svg_partial_wakeline(u64 start, int row1, int row2)

{

	double height;



	if (!svgfile)

		return;





	if (row1 < row2) {

		if (row1)

			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",

				time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);



		if (row2)

			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",

				time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32,  time2pixels(start), row2 * SLOT_MULT);

	} else {

		if (row2)

			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",

				time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);



		if (row1)

			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",

				time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32,  time2pixels(start), row1 * SLOT_MULT);

	}

	height = row1 * SLOT_MULT;

	if (row2 > row1)

		height += SLOT_HEIGHT;

	if (row1)

		fprintf(svgfile, "<circle  cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\"  style=\"fill:rgb(32,255,32)\"/>\n",

			time2pixels(start), height);

}



void svg_wakeline(u64 start, int row1, int row2)

{

	double height;



	if (!svgfile)

		return;





	if (row1 < row2)

		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",

			time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row2 * SLOT_MULT);

	else

		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",

			time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row1 * SLOT_MULT);



	height = row1 * SLOT_MULT;

	if (row2 > row1)

		height += SLOT_HEIGHT;

	fprintf(svgfile, "<circle  cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\"  style=\"fill:rgb(32,255,32)\"/>\n",

			time2pixels(start), height);

}



void svg_interrupt(u64 start, int row)

{

	if (!svgfile)

		return;



	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 transform=\"translate(%4.1f,%4.1f)\">%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(%4.1f, %4.1f)\" font-size=\"%4.4fpt\">%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(u64 start, u64 end)

{

	u64 i;



	first_time = start;

	last_time = end;



	first_time = first_time / 100000000 * 100000000;



	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;

	}

}

tools/perf/util/svghelper.h

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Original line number Diff line number Diff line 
#ifndef _INCLUDE_GUARD_SVG_HELPER_

#define _INCLUDE_GUARD_SVG_HELPER_



#include "types.h"



extern void open_svg(const char *filename, int cpus, int rows);

extern void svg_box(int Yslot, u64 start, u64 end, const char *type);

extern void svg_sample(int Yslot, int cpu, u64 start, u64 end, const char *type);

extern void svg_cpu_box(int cpu, u64 max_frequency, u64 turbo_frequency);





extern void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name);

extern void svg_cstate(int cpu, u64 start, u64 end, int type);

extern void svg_pstate(int cpu, u64 start, u64 end, u64 freq);





extern void svg_time_grid(u64 start, u64 end);

extern void svg_legenda(void);

extern void svg_wakeline(u64 start, int row1, int row2);

extern void svg_partial_wakeline(u64 start, int row1, int row2);

extern void svg_interrupt(u64 start, int row);

extern void svg_text(int Yslot, u64 start, const char *text);

extern void svg_close(void);



#endif

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