47 lines
2 KiB
C
47 lines
2 KiB
C
/* drivers/cpufreq/cpufreq_times.c
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*
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* Copyright (C) 2018 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 _LINUX_CPUFREQ_TIMES_H
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#define _LINUX_CPUFREQ_TIMES_H
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#include <linux/cpufreq.h>
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#include <linux/pid.h>
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#ifdef CONFIG_CPU_FREQ_TIMES
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void cpufreq_task_times_init(struct task_struct *p);
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void cpufreq_task_times_alloc(struct task_struct *p);
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void cpufreq_task_times_exit(struct task_struct *p);
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int proc_time_in_state_show(struct seq_file *m, struct pid_namespace *ns,
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struct pid *pid, struct task_struct *p);
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void cpufreq_acct_update_power(struct task_struct *p, u64 cputime);
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void cpufreq_times_create_policy(struct cpufreq_policy *policy);
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void cpufreq_times_record_transition(struct cpufreq_policy *policy,
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unsigned int new_freq);
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void cpufreq_task_times_remove_uids(uid_t uid_start, uid_t uid_end);
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int single_uid_time_in_state_open(struct inode *inode, struct file *file);
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#else
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static inline void cpufreq_task_times_init(struct task_struct *p) {}
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static inline void cpufreq_task_times_alloc(struct task_struct *p) {}
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static inline void cpufreq_task_times_exit(struct task_struct *p) {}
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static inline void cpufreq_acct_update_power(struct task_struct *p,
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u64 cputime) {}
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static inline void cpufreq_times_create_policy(struct cpufreq_policy *policy) {}
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static inline void cpufreq_times_record_transition(
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struct cpufreq_policy *policy, unsigned int new_freq) {}
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static inline void cpufreq_task_times_remove_uids(uid_t uid_start,
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uid_t uid_end) {}
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#endif /* CONFIG_CPU_FREQ_TIMES */
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#endif /* _LINUX_CPUFREQ_TIMES_H */
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