be17d1d867
Platform must register cpu power function that return power in milliWatt seconds. Change-Id: I1caa0335e316c352eee3b1ddf326fcd4942bcbe8 Signed-off-by: Mike Chan <mike@android.com>
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/* include/linux/cpuacct.h
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*
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* Copyright (C) 2010 Google, Inc.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _CPUACCT_H_
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#define _CPUACCT_H_
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#include <linux/cgroup.h>
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#ifdef CONFIG_CGROUP_CPUACCT
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/*
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* Platform specific CPU frequency hooks for cpuacct. These functions are
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* called from the scheduler.
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*/
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struct cpuacct_charge_calls {
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/*
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* Platforms can take advantage of this data and use
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* per-cpu allocations if necessary.
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*/
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void (*init) (void **cpuacct_data);
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void (*charge) (void *cpuacct_data, u64 cputime, unsigned int cpu);
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void (*cpufreq_show) (void *cpuacct_data, struct cgroup_map_cb *cb);
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/* Returns power consumed in milliWatt seconds */
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u64 (*power_usage) (void *cpuacct_data);
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};
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int cpuacct_charge_register(struct cpuacct_charge_calls *fn);
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#endif /* CONFIG_CGROUP_CPUACCT */
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#endif // _CPUACCT_H_
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