Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0-only
/*
 * svghelper.c - helper functions for outputting svg
 *
 * (C) Copyright 2009 Intel Corporation
 *
 * Authors:
 *     Arjan van de Ven <arjan@linux.intel.com>
 */
 
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <linux/bitmap.h>
#include <linux/string.h>
#include <linux/time64.h>
#include <linux/zalloc.h>
#include <internal/cpumap.h>
#include <perf/cpumap.h>
 
#include "env.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 SLOT_HALF (SLOT_HEIGHT / 2)
 
int svg_page_width = 1000;
u64 svg_highlight;
const char *svg_highlight_name;
 
#define MIN_TEXT_SIZE 0.01
 
static u64 total_height;
static FILE *svgfile;
 
static double cpu2slot(int cpu)
{
<------>return 2 * cpu + 1;
}
 
static int *topology_map;
 
static double cpu2y(int cpu)
{
<------>if (topology_map)
<------><------>return cpu2slot(topology_map[cpu]) * SLOT_MULT;
<------>else
<------><------>return cpu2slot(cpu) * SLOT_MULT;
}
 
static double time2pixels(u64 __time)
{
<------>double X;
 
<------>X = 1.0 * svg_page_width * (__time - first_time) / (last_time - first_time);
<------>return X;
}
 
/*
 * Round text sizes so that the svg viewer only needs a discrete
 * number of renderings of the font
 */
static double round_text_size(double size)
{
<------>int loop = 100;
<------>double target = 10.0;
 
<------>if (size >= 10.0)
<------><------>return size;
<------>while (loop--) {
<------><------>if (size >= target)
<------><------><------>return target;
<------><------>target = target / 2.0;
<------>}
<------>return size;
}
 
void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end)
{
<------>int new_width;
 
<------>svgfile = fopen(filename, "w");
<------>if (!svgfile) {
<------><------>fprintf(stderr, "Cannot open %s for output\n", filename);
<------><------>return;
<------>}
<------>first_time = start;
<------>first_time = first_time / 100000000 * 100000000;
<------>last_time = end;
 
<------>/*
<------> * if the recording is short, we default to a width of 1000, but
<------> * for longer recordings we want at least 200 units of width per second
<------> */
<------>new_width = (last_time - first_time) / 5000000;
 
<------>if (new_width > svg_page_width)
<------><------>svg_page_width = new_width;
 
<------>total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT;
<------>fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n");
<------>fprintf(svgfile, "<!DOCTYPE svg SYSTEM \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
<------>fprintf(svgfile, "<svg width=\"%i\" height=\"%" PRIu64 "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_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.process3 { fill:rgb(180,180,180); fill-opacity:0.5; 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.sample_hi{ fill:rgb(255,128,  0); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
<------>fprintf(svgfile, "      rect.error    { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
<------>fprintf(svgfile, "      rect.net      { fill:rgb(  0,128,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
<------>fprintf(svgfile, "      rect.disk     { fill:rgb(  0,  0,255); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
<------>fprintf(svgfile, "      rect.sync     { fill:rgb(128,128,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
<------>fprintf(svgfile, "      rect.poll     { fill:rgb(  0,128,128); fill-opacity:0.2; 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(224,214,  0); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
<------>fprintf(svgfile, "      rect.WAITING  { fill:rgb(255,214, 48); fill-opacity:0.6; 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");
}
 
static double normalize_height(double height)
{
<------>if (height < 0.25)
<------><------>return 0.25;
<------>else if (height < 0.50)
<------><------>return 0.50;
<------>else if (height < 0.75)
<------><------>return 0.75;
<------>else
<------><------>return 0.100;
}
 
void svg_ubox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
{
<------>double w = time2pixels(end) - time2pixels(start);
<------>height = normalize_height(height);
 
<------>if (!svgfile)
<------><------>return;
 
<------>fprintf(svgfile, "<g>\n");
<------>fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
<------>fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
<------><------>time2pixels(start),
<------><------>w,
<------><------>Yslot * SLOT_MULT,
<------><------>SLOT_HALF * height,
<------><------>type);
<------>fprintf(svgfile, "</g>\n");
}
 
void svg_lbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
{
<------>double w = time2pixels(end) - time2pixels(start);
<------>height = normalize_height(height);
 
<------>if (!svgfile)
<------><------>return;
 
<------>fprintf(svgfile, "<g>\n");
<------>fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
<------>fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
<------><------>time2pixels(start),
<------><------>w,
<------><------>Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HALF * height,
<------><------>SLOT_HALF * height,
<------><------>type);
<------>fprintf(svgfile, "</g>\n");
}
 
void svg_fbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges)
{
<------>double w = time2pixels(end) - time2pixels(start);
<------>height = normalize_height(height);
 
<------>if (!svgfile)
<------><------>return;
 
<------>fprintf(svgfile, "<g>\n");
<------>fprintf(svgfile, "<title>fd=%d error=%d merges=%d</title>\n", fd, err, merges);
<------>fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
<------><------>time2pixels(start),
<------><------>w,
<------><------>Yslot * SLOT_MULT + SLOT_HEIGHT - SLOT_HEIGHT * height,
<------><------>SLOT_HEIGHT * height,
<------><------>type);
<------>fprintf(svgfile, "</g>\n");
}
 
void svg_box(int Yslot, u64 start, u64 end, const char *type)
{
<------>if (!svgfile)
<------><------>return;
 
<------>fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\" class=\"%s\"/>\n",
<------><------>time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);
}
 
static char *time_to_string(u64 duration);
void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
{
<------>if (!svgfile)
<------><------>return;
 
<------>fprintf(svgfile, "<g>\n");
<------>fprintf(svgfile, "<title>#%d blocked %s</title>\n", cpu,
<------><------>time_to_string(end - start));
<------>if (backtrace)
<------><------>fprintf(svgfile, "<desc>Blocked on:\n%s</desc>\n", backtrace);
<------>svg_box(Yslot, start, end, "blocked");
<------>fprintf(svgfile, "</g>\n");
}
 
void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
{
<------>double text_size;
<------>const char *type;
 
<------>if (!svgfile)
<------><------>return;
 
<------>if (svg_highlight && end - start > svg_highlight)
<------><------>type = "sample_hi";
<------>else
<------><------>type = "sample";
<------>fprintf(svgfile, "<g>\n");
 
<------>fprintf(svgfile, "<title>#%d running %s</title>\n",
<------><------>cpu, time_to_string(end - start));
<------>if (backtrace)
<------><------>fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
<------>fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.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;
<------>text_size = round_text_size(text_size);
 
<------>if (text_size > MIN_TEXT_SIZE)
<------><------>fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">%i</text>\n",
<------><------><------>time2pixels(start), Yslot *  SLOT_MULT + SLOT_HEIGHT - 1, text_size,  cpu + 1);
 
<------>fprintf(svgfile, "</g>\n");
}
 
static char *time_to_string(u64 duration)
{
<------>static char text[80];
 
<------>text[0] = 0;
 
<------>if (duration < NSEC_PER_USEC) /* less than 1 usec */
<------><------>return text;
 
<------>if (duration < NSEC_PER_MSEC) { /* less than 1 msec */
<------><------>sprintf(text, "%.1f us", duration / (double)NSEC_PER_USEC);
<------><------>return text;
<------>}
<------>sprintf(text, "%.1f ms", duration / (double)NSEC_PER_MSEC);
 
<------>return text;
}
 
void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
{
<------>char *text;
<------>const char *style;
<------>double font_size;
 
<------>if (!svgfile)
<------><------>return;
 
<------>style = "waiting";
 
<------>if (end-start > 10 * NSEC_PER_MSEC) /* 10 msec */
<------><------>style = "WAITING";
 
<------>text = time_to_string(end-start);
 
<------>font_size = 1.0 * (time2pixels(end)-time2pixels(start));
 
<------>if (font_size > 3)
<------><------>font_size = 3;
 
<------>font_size = round_text_size(font_size);
 
<------>fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT);
<------>fprintf(svgfile, "<title>#%d waiting %s</title>\n", cpu, time_to_string(end - start));
<------>if (backtrace)
<------><------>fprintf(svgfile, "<desc>Waiting on:\n%s</desc>\n", backtrace);
<------>fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
<------><------>time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style);
<------>if (font_size > MIN_TEXT_SIZE)
<------><------>fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\"> %s</text>\n",
<------><------><------>font_size, text);
<------>fprintf(svgfile, "</g>\n");
}
 
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")) {
<------><------><------><------>strlcpy(cpu_m, &buf[13], 255);
<------><------><------><------>break;
<------><------><------>}
<------><------>}
<------><------>fclose(file);
<------>}
 
<------>/* CPU type */
<------>file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r");
<------>if (file) {
<------><------>while (fgets(buf, 255, file)) {
<------><------><------>unsigned int freq;
<------><------><------>freq = strtoull(buf, NULL, 10);
<------><------><------>if (freq > max_freq)
<------><------><------><------>max_freq = freq;
<------><------>}
<------><------>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, "<g>\n");
 
<------>fprintf(svgfile, "<rect x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.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);
<------>fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\">%s</text>\n",
<------><------>10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
 
<------>fprintf(svgfile, "<text transform=\"translate(%.8f,%.8f)\" font-size=\"1.25pt\">%s</text>\n",
<------><------>10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
 
<------>fprintf(svgfile, "</g>\n");
}
 
void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace)
{
<------>double width;
<------>const char *type;
 
<------>if (!svgfile)
<------><------>return;
 
<------>if (svg_highlight && end - start >= svg_highlight)
<------><------>type = "sample_hi";
<------>else if (svg_highlight_name && strstr(name, svg_highlight_name))
<------><------>type = "sample_hi";
<------>else
<------><------>type = "sample";
 
<------>fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\">\n", time2pixels(start), cpu2y(cpu));
<------>fprintf(svgfile, "<title>%d %s running %s</title>\n", pid, name, time_to_string(end - start));
<------>if (backtrace)
<------><------>fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
<------>fprintf(svgfile, "<rect x=\"0\" width=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
<------><------>time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type);
<------>width = time2pixels(end)-time2pixels(start);
<------>if (width > 6)
<------><------>width = 6;
 
<------>width = round_text_size(width);
 
<------>if (width > MIN_TEXT_SIZE)
<------><------>fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%.8fpt\">%s</text>\n",
<------><------><------>width, name);
 
<------>fprintf(svgfile, "</g>\n");
}
 
void svg_cstate(int cpu, u64 start, u64 end, int type)
{
<------>double width;
<------>char style[128];
 
<------>if (!svgfile)
<------><------>return;
 
 
<------>fprintf(svgfile, "<g>\n");
 
<------>if (type > 6)
<------><------>type = 6;
<------>sprintf(style, "c%i", type);
 
<------>fprintf(svgfile, "<rect class=\"%s\" x=\"%.8f\" width=\"%.8f\" y=\"%.1f\" height=\"%.1f\"/>\n",
<------><------>style,
<------><------>time2pixels(start), time2pixels(end)-time2pixels(start),
<------><------>cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
 
<------>width = (time2pixels(end)-time2pixels(start))/2.0;
<------>if (width > 6)
<------><------>width = 6;
 
<------>width = round_text_size(width);
 
<------>if (width > MIN_TEXT_SIZE)
<------><------>fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"%.8fpt\">C%i</text>\n",
<------><------><------>time2pixels(start), cpu2y(cpu)+width, width, type);
 
<------>fprintf(svgfile, "</g>\n");
}
 
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;
 
<------>fprintf(svgfile, "<g>\n");
 
<------>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=\"%.8f\" x2=\"%.8f\" y1=\"%.1f\" y2=\"%.1f\" class=\"pstate\"/>\n",
<------><------>time2pixels(start), time2pixels(end), height, height);
<------>fprintf(svgfile, "<text x=\"%.8f\" y=\"%.8f\" font-size=\"0.25pt\">%s</text>\n",
<------><------>time2pixels(start), height+0.9, HzToHuman(freq));
 
<------>fprintf(svgfile, "</g>\n");
}
 
 
void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace)
{
<------>double height;
 
<------>if (!svgfile)
<------><------>return;
 
 
<------>fprintf(svgfile, "<g>\n");
 
<------>fprintf(svgfile, "<title>%s wakes up %s</title>\n",
<------><------>desc1 ? desc1 : "?",
<------><------>desc2 ? desc2 : "?");
 
<------>if (backtrace)
<------><------>fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
 
<------>if (row1 < row2) {
<------><------>if (row1) {
<------><------><------>fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.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 (desc2)
<------><------><------><------>fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
<------><------><------><------><------>time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2);
<------><------>}
<------><------>if (row2) {
<------><------><------>fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.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);
<------><------><------>if (desc1)
<------><------><------><------>fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
<------><------><------><------><------>time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1);
<------><------>}
<------>} else {
<------><------>if (row2) {
<------><------><------>fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.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 (desc1)
<------><------><------><------>fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
<------><------><------><------><------>time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1);
<------><------>}
<------><------>if (row1) {
<------><------><------>fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.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);
<------><------><------>if (desc2)
<------><------><------><------>fprintf(svgfile, "<g transform=\"translate(%.8f,%.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
<------><------><------><------><------>time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2);
<------><------>}
<------>}
<------>height = row1 * SLOT_MULT;
<------>if (row2 > row1)
<------><------>height += SLOT_HEIGHT;
<------>if (row1)
<------><------>fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(32,255,32)\"/>\n",
<------><------><------>time2pixels(start), height);
 
<------>fprintf(svgfile, "</g>\n");
}
 
void svg_wakeline(u64 start, int row1, int row2, const char *backtrace)
{
<------>double height;
 
<------>if (!svgfile)
<------><------>return;
 
 
<------>fprintf(svgfile, "<g>\n");
 
<------>if (backtrace)
<------><------>fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
 
<------>if (row1 < row2)
<------><------>fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.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=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%.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=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(32,255,32)\"/>\n",
<------><------><------>time2pixels(start), height);
 
<------>fprintf(svgfile, "</g>\n");
}
 
void svg_interrupt(u64 start, int row, const char *backtrace)
{
<------>if (!svgfile)
<------><------>return;
 
<------>fprintf(svgfile, "<g>\n");
 
<------>fprintf(svgfile, "<title>Wakeup from interrupt</title>\n");
 
<------>if (backtrace)
<------><------>fprintf(svgfile, "<desc>%s</desc>\n", backtrace);
 
<------>fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(255,128,128)\"/>\n",
<------><------><------>time2pixels(start), row * SLOT_MULT);
<------>fprintf(svgfile, "<circle  cx=\"%.8f\" cy=\"%.2f\" r = \"0.01\"  style=\"fill:rgb(255,128,128)\"/>\n",
<------><------><------>time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT);
 
<------>fprintf(svgfile, "</g>\n");
}
 
void svg_text(int Yslot, u64 start, const char *text)
{
<------>if (!svgfile)
<------><------>return;
 
<------>fprintf(svgfile, "<text x=\"%.8f\" y=\"%.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=\"%.8f\" y=\"0\" height=\"%.1f\" class=\"%s\"/>\n",
<------><------>X, boxsize, boxsize, style);
<------>fprintf(svgfile, "<text transform=\"translate(%.8f, %.8f)\" font-size=\"%.8fpt\">%s</text>\n",
<------><------>X + boxsize + 5, boxsize, 0.8 * boxsize, text);
}
 
void svg_io_legenda(void)
{
<------>if (!svgfile)
<------><------>return;
 
<------>fprintf(svgfile, "<g>\n");
<------>svg_legenda_box(0,	"Disk", "disk");
<------>svg_legenda_box(100,	"Network", "net");
<------>svg_legenda_box(200,	"Sync", "sync");
<------>svg_legenda_box(300,	"Poll", "poll");
<------>svg_legenda_box(400,	"Error", "error");
<------>fprintf(svgfile, "</g>\n");
}
 
void svg_legenda(void)
{
<------>if (!svgfile)
<------><------>return;
 
<------>fprintf(svgfile, "<g>\n");
<------>svg_legenda_box(0,	"Running", "sample");
<------>svg_legenda_box(100,	"Idle","c1");
<------>svg_legenda_box(200,	"Deeper Idle", "c3");
<------>svg_legenda_box(350,	"Deepest Idle", "c6");
<------>svg_legenda_box(550,	"Sleeping", "process2");
<------>svg_legenda_box(650,	"Waiting for cpu", "waiting");
<------>svg_legenda_box(800,	"Blocked on IO", "blocked");
<------>fprintf(svgfile, "</g>\n");
}
 
void svg_time_grid(double min_thickness)
{
<------>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;
<------><------>}
 
<------><------>if (thickness >= min_thickness)
<------><------><------>fprintf(svgfile, "<line x1=\"%.8f\" y1=\"%.2f\" x2=\"%.8f\" y2=\"%" PRIu64 "\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%.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;
<------>}
}
 
#define cpumask_bits(maskp) ((maskp)->bits)
typedef struct { DECLARE_BITMAP(bits, MAX_NR_CPUS); } cpumask_t;
 
struct topology {
<------>cpumask_t *sib_core;
<------>int sib_core_nr;
<------>cpumask_t *sib_thr;
<------>int sib_thr_nr;
};
 
static void scan_thread_topology(int *map, struct topology *t, int cpu,
<------><------><------><------> int *pos, int nr_cpus)
{
<------>int i;
<------>int thr;
 
<------>for (i = 0; i < t->sib_thr_nr; i++) {
<------><------>if (!test_bit(cpu, cpumask_bits(&t->sib_thr[i])))
<------><------><------>continue;
 
<------><------>for_each_set_bit(thr, cpumask_bits(&t->sib_thr[i]), nr_cpus)
<------><------><------>if (map[thr] == -1)
<------><------><------><------>map[thr] = (*pos)++;
<------>}
}
 
static void scan_core_topology(int *map, struct topology *t, int nr_cpus)
{
<------>int pos = 0;
<------>int i;
<------>int cpu;
 
<------>for (i = 0; i < t->sib_core_nr; i++)
<------><------>for_each_set_bit(cpu, cpumask_bits(&t->sib_core[i]), nr_cpus)
<------><------><------>scan_thread_topology(map, t, cpu, &pos, nr_cpus);
}
 
static int str_to_bitmap(char *s, cpumask_t *b, int nr_cpus)
{
<------>int i;
<------>int ret = 0;
<------>struct perf_cpu_map *m;
<------>int c;
 
<------>m = perf_cpu_map__new(s);
<------>if (!m)
<------><------>return -1;
 
<------>for (i = 0; i < m->nr; i++) {
<------><------>c = m->map[i];
<------><------>if (c >= nr_cpus) {
<------><------><------>ret = -1;
<------><------><------>break;
<------><------>}
 
<------><------>set_bit(c, cpumask_bits(b));
<------>}
 
<------>perf_cpu_map__put(m);
 
<------>return ret;
}
 
int svg_build_topology_map(struct perf_env *env)
{
<------>int i, nr_cpus;
<------>struct topology t;
<------>char *sib_core, *sib_thr;
 
<------>nr_cpus = min(env->nr_cpus_online, MAX_NR_CPUS);
 
<------>t.sib_core_nr = env->nr_sibling_cores;
<------>t.sib_thr_nr = env->nr_sibling_threads;
<------>t.sib_core = calloc(env->nr_sibling_cores, sizeof(cpumask_t));
<------>t.sib_thr = calloc(env->nr_sibling_threads, sizeof(cpumask_t));
 
<------>sib_core = env->sibling_cores;
<------>sib_thr = env->sibling_threads;
 
<------>if (!t.sib_core || !t.sib_thr) {
<------><------>fprintf(stderr, "topology: no memory\n");
<------><------>goto exit;
<------>}
 
<------>for (i = 0; i < env->nr_sibling_cores; i++) {
<------><------>if (str_to_bitmap(sib_core, &t.sib_core[i], nr_cpus)) {
<------><------><------>fprintf(stderr, "topology: can't parse siblings map\n");
<------><------><------>goto exit;
<------><------>}
 
<------><------>sib_core += strlen(sib_core) + 1;
<------>}
 
<------>for (i = 0; i < env->nr_sibling_threads; i++) {
<------><------>if (str_to_bitmap(sib_thr, &t.sib_thr[i], nr_cpus)) {
<------><------><------>fprintf(stderr, "topology: can't parse siblings map\n");
<------><------><------>goto exit;
<------><------>}
 
<------><------>sib_thr += strlen(sib_thr) + 1;
<------>}
 
<------>topology_map = malloc(sizeof(int) * nr_cpus);
<------>if (!topology_map) {
<------><------>fprintf(stderr, "topology: no memory\n");
<------><------>goto exit;
<------>}
 
<------>for (i = 0; i < nr_cpus; i++)
<------><------>topology_map[i] = -1;
 
<------>scan_core_topology(topology_map, &t, nr_cpus);
 
<------>return 0;
 
exit:
<------>zfree(&t.sib_core);
<------>zfree(&t.sib_thr);
 
<------>return -1;
}