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);
| }
|
|
