File: cpu.c

package info (click to toggle)
linux 4.9.228-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 814,720 kB
  • sloc: ansic: 14,532,095; asm: 289,032; makefile: 35,316; perl: 27,556; sh: 17,027; python: 13,390; cpp: 6,103; yacc: 4,354; lex: 2,440; awk: 1,212; pascal: 231; lisp: 218; sed: 21
file content (18 lines) | stat: -rw-r--r-- 351 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
#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);
}