Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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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