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20 lines
387 B
C
20 lines
387 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <stdio.h>
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#include "cpu.h"
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#include "fs/fs.h"
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int cpu__get_max_freq(unsigned long long *freq)
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{
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char entry[PATH_MAX];
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int cpu;
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if (sysfs__read_int("devices/system/cpu/online", &cpu) < 0)
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return -1;
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snprintf(entry, sizeof(entry),
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"devices/system/cpu/cpu%d/cpufreq/cpuinfo_max_freq", cpu);
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return sysfs__read_ull(entry, freq);
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}
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