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Diffstat (limited to 'include/linux/cpuacct.h')
-rw-r--r-- | include/linux/cpuacct.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/linux/cpuacct.h b/include/linux/cpuacct.h new file mode 100644 index 0000000..8f68e73 --- /dev/null +++ b/include/linux/cpuacct.h @@ -0,0 +1,43 @@ +/* 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_ |