// 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 "perf.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, "1.0\" standalone=\" no\"?> \n" );
fprintf(svgfile, "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
fprintf(svgfile, "%i\" height=\" %" PRIu64 " \" version=\" 1.1\" xmlns=\" http://www.w3.org/2000/svg\">\n", svg_page_width, total_height);
fprintf(svgfile, "\n \n \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, "\n" );
fprintf(svgfile, "fd=%d error=%d merges=%d \n" , fd, err, merges);
fprintf(svgfile, "%.8f\" width=\" %.8f\" y=\" %.1f\" height=\" %.1f\" class=\" %s\"/>\n" ,
time2pixels(start),
w,
Yslot * SLOT_MULT,
SLOT_HALF * height,
type);
fprintf(svgfile, "\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, "\n" );
fprintf(svgfile, "fd=%d error=%d merges=%d \n" , fd, err, merges);
fprintf(svgfile, "%.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, "\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, "\n" );
fprintf(svgfile, "fd=%d error=%d merges=%d \n" , fd, err, merges);
fprintf(svgfile, "%.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, "\n" );
}
void svg_box(int Yslot, u64 start, u64 end, const char *type)
{
if (!svgfile)
return ;
fprintf(svgfile, "%.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, "\n" );
fprintf(svgfile, "#%d blocked %s \n" , cpu,
time_to_string(end - start));
if (backtrace)
fprintf(svgfile, "Blocked on:\n%s \n" , backtrace);
svg_box(Yslot, start, end, "blocked" );
fprintf(svgfile, "\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, "\n" );
fprintf(svgfile, "#%d running %s \n" ,
cpu, time_to_string(end - start));
if (backtrace)
fprintf(svgfile, "Switched because:\n%s \n" , backtrace);
fprintf(svgfile, "%.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, "%.8f\" y=\" %.8f\" font-size=\" %.8fpt\">%i \n" ,
time2pixels(start), Yslot * SLOT_MULT + SLOT_HEIGHT - 1, text_size, cpu + 1);
fprintf(svgfile, "\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, "translate(%.8f,%.8f)\">\n" , time2pixels(start), Yslot * SLOT_MULT);
fprintf(svgfile, "#%d waiting %s \n" , cpu, time_to_string(end - start));
if (backtrace)
fprintf(svgfile, "Waiting on:\n%s \n" , backtrace);
fprintf(svgfile, "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, "rotate(90)\" font-size=\" %.8fpt\"> %s \n" ,
font_size, text);
fprintf(svgfile, " \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 (strcasestr(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, "\n" );
fprintf(svgfile, "%.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, "%.8f\" y=\" %.8f\">%s \n" ,
10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
fprintf(svgfile, "translate(%.8f,%.8f)\" font-size=\" 1.25pt\">%s \n" ,
10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
fprintf(svgfile, "\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, "translate(%.8f,%.8f)\">\n" , time2pixels(start), cpu2y(cpu));
fprintf(svgfile, "%d %s running %s \n" , pid, name, time_to_string(end - start));
if (backtrace)
fprintf(svgfile, "Switched because:\n%s \n" , backtrace);
fprintf(svgfile, "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, "rotate(90)\" font-size=\" %.8fpt\">%s \n" ,
width, name);
fprintf(svgfile, " \n" );
}
void svg_cstate(int cpu, u64 start, u64 end, int type)
{
double width;
char style[128];
if (!svgfile)
return ;
fprintf(svgfile, "\n" );
if (type > 6)
type = 6;
sprintf(style, "c%i" , type);
fprintf(svgfile, "%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, "%.8f\" y=\" %.8f\" font-size=\" %.8fpt\">C%i \n" ,
time2pixels(start), cpu2y(cpu)+width, width, type);
fprintf(svgfile, "\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, "\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, "%.8f\" x2=\" %.8f\" y1=\" %.1f\" y2=\" %.1f\" class=\" pstate\"/>\n" ,
time2pixels(start), time2pixels(end), height, height);
fprintf(svgfile, "%.8f\" y=\" %.8f\" font-size=\" 0.25pt\">%s \n" ,
time2pixels(start), height+0.9, HzToHuman(freq));
fprintf(svgfile, "\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, "\n" );
fprintf(svgfile, "%s wakes up %s \n" ,
desc1 ? desc1 : "?" ,
desc2 ? desc2 : "?" );
if (backtrace)
fprintf(svgfile, "%s \n" , backtrace);
if (row1 < row2) {
if (row1) {
fprintf(svgfile, "%.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, "translate(%.8f,%.8f)\">rotate(90)\" font-size=\" 0.02pt\">%s > \n" ,
time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2);
}
if (row2) {
fprintf(svgfile, "%.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, "translate(%.8f,%.8f)\">rotate(90)\" font-size=\" 0.02pt\">%s > \n" ,
time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1);
}
} else {
if (row2) {
fprintf(svgfile, "%.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, "translate(%.8f,%.8f)\">rotate(90)\" font-size=\" 0.02pt\">%s < \n" ,
time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1);
}
if (row1) {
fprintf(svgfile, "%.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, "translate(%.8f,%.8f)\">rotate(90)\" font-size=\" 0.02pt\">%s < \n" ,
time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2);
}
}
height = row1 * SLOT_MULT;
if (row2 > row1)
height += SLOT_HEIGHT;
if (row1)
fprintf(svgfile, "%.8f\" cy=\" %.2f\" r = \" 0.01\" style=\" fill:rgb(32,255,32)\"/>\n" ,
time2pixels(start), height);
fprintf(svgfile, "\n" );
}
void svg_wakeline(u64 start, int row1, int row2, const char *backtrace)
{
double height;
if (!svgfile)
return ;
fprintf(svgfile, "\n" );
if (backtrace)
fprintf(svgfile, "%s \n" , backtrace);
if (row1 < row2)
fprintf(svgfile, "%.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, "%.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, "%.8f\" cy=\" %.2f\" r = \" 0.01\" style=\" fill:rgb(32,255,32)\"/>\n" ,
time2pixels(start), height);
fprintf(svgfile, "\n" );
}
void svg_interrupt(u64 start, int row, const char *backtrace)
{
if (!svgfile)
return ;
fprintf(svgfile, "\n" );
fprintf(svgfile, "Wakeup from interrupt \n" );
if (backtrace)
fprintf(svgfile, "%s \n" , backtrace);
fprintf(svgfile, "%.8f\" cy=\" %.2f\" r = \" 0.01\" style=\" fill:rgb(255,128,128)\"/>\n" ,
time2pixels(start), row * SLOT_MULT);
fprintf(svgfile, "%.8f\" cy=\" %.2f\" r = \" 0.01\" style=\" fill:rgb(255,128,128)\"/>\n" ,
time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT);
fprintf(svgfile, "\n" );
}
void svg_text(int Yslot, u64 start, const char *text)
{
if (!svgfile)
return ;
fprintf(svgfile, "%.8f\" y=\" %.8f\">%s \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, "%i\" width=\" %.8f\" y=\" 0\" height=\" %.1f\" class=\" %s\"/>\n" ,
X, boxsize, boxsize, style);
fprintf(svgfile, "translate(%.8f, %.8f)\" font-size=\" %.8fpt\">%s \n" ,
X + boxsize + 5, boxsize, 0.8 * boxsize, text);
}
void svg_io_legenda(void )
{
if (!svgfile)
return ;
fprintf(svgfile, "\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, "\n" );
}
void svg_legenda(void )
{
if (!svgfile)
return ;
fprintf(svgfile, "\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, "\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, "%.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, " \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 idx, ret = 0;
struct perf_cpu_map *map;
struct perf_cpu cpu;
map = perf_cpu_map__new(s);
if (!map)
return -1;
perf_cpu_map__for_each_cpu(cpu, idx, map) {
if (cpu.cpu >= nr_cpus) {
ret = -1;
break ;
}
__set_bit(cpu.cpu, cpumask_bits(b));
}
perf_cpu_map__put(map);
return ret;
}
int svg_build_topology_map(struct perf_env *env)
{
int i, nr_cpus;
struct topology t;
char *sib_core, *sib_thr;
int ret = -1;
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);
ret = 0;
exit :
zfree(&t.sib_core);
zfree(&t.sib_thr);
return ret;
}
Messung V0.5 C=92 H=97 G=94
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