File: cpu.c

package info (click to toggle)
linux 5.10.46-4
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,191,996 kB
  • sloc: ansic: 19,502,768; asm: 263,759; sh: 73,960; makefile: 44,724; perl: 34,644; python: 32,387; cpp: 6,070; yacc: 4,755; lex: 2,742; awk: 1,214; ruby: 25; sed: 5
file content (19 lines) | stat: -rw-r--r-- 387 bytes parent folder | download | duplicates (39) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
// 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);
}