[linux-2.6-block.git] / tools / lib / api / cpu.c

// SPDX-License-Identifier: GPL-2.0
#include <stdio.h>

#include "cpu.h"
#include "fs/fs.h"

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);
}
Commit	Line	Data
b2441318	1	// SPDX-License-Identifier: GPL-2.0
09f6acf2 ACM	2	#include <stdio.h>
	3
	4	#include "cpu.h"
	5	#include "fs/fs.h"
	6
	7	int cpu__get_max_freq(unsigned long long *freq)
	8	{
	9	char entry[PATH_MAX];
	10	int cpu;
	11
	12	if (sysfs__read_int("devices/system/cpu/online", &cpu) < 0)
	13	return -1;
	14
	15	snprintf(entry, sizeof(entry),
	16	"devices/system/cpu/cpu%d/cpufreq/cpuinfo_max_freq", cpu);
	17
	18	return sysfs__read_ull(entry, freq);
	19	}