예제 #1
0
static int cpu__get_topology_int(int cpu, const char *name, int *value)
{
	char path[PATH_MAX];

	snprintf(path, PATH_MAX,
		"devices/system/cpu/cpu%d/topology/%s", cpu, name);

	return sysfs__read_int(path, value);
}
예제 #2
0
파일: cpu.c 프로젝트: 020gzh/linux 
int cpu__get_max_freq(unsigned long long *freq)
{
	char entry[PATH_MAX];
	int cpu;

	if (sysfs__read_int("devices/system/cpu/online", &cpu) < 0)
		return -1;

	snprintf(entry, sizeof(entry),
		 "devices/system/cpu/cpu%d/cpufreq/cpuinfo_max_freq", cpu);

	return sysfs__read_ull(entry, freq);
}
예제 #3
0
static void cache_line_size(int *cacheline_sizep)
{
	if (sysfs__read_int("devices/system/cpu/cpu0/cache/index0/coherency_line_size", cacheline_sizep))
		pr_debug("cannot determine cache line size");
}