// 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); }