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