1 /* drivers/cpufreq/cpufreq_times.c
2 *
3 * Copyright (C) 2018 Google, Inc.
4 *
5 * This software is licensed under the terms of the GNU General Public
6 * License version 2, as published by the Free Software Foundation, and
7 * may be copied, distributed, and modified under those terms.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 */
15
16 #ifndef _LINUX_CPUFREQ_TIMES_H
17 #define _LINUX_CPUFREQ_TIMES_H
18
19 #include <linux/cpufreq.h>
20 #include <linux/pid.h>
21
22 #ifdef CONFIG_CPU_FREQ_TIMES
23 void cpufreq_task_times_init(struct task_struct *p);
24 void cpufreq_task_times_alloc(struct task_struct *p);
25 void cpufreq_task_times_exit(struct task_struct *p);
26 int proc_time_in_state_show(struct seq_file *m, struct pid_namespace *ns,
27 struct pid *pid, struct task_struct *p);
28 void cpufreq_acct_update_power(struct task_struct *p, u64 cputime);
29 void cpufreq_times_create_policy(struct cpufreq_policy *policy);
30 void cpufreq_times_record_transition(struct cpufreq_policy *policy,
31 unsigned int new_freq);
32 #else
cpufreq_task_times_init(struct task_struct * p)33 static inline void cpufreq_task_times_init(struct task_struct *p) {}
cpufreq_task_times_alloc(struct task_struct * p)34 static inline void cpufreq_task_times_alloc(struct task_struct *p) {}
cpufreq_task_times_exit(struct task_struct * p)35 static inline void cpufreq_task_times_exit(struct task_struct *p) {}
cpufreq_acct_update_power(struct task_struct * p,u64 cputime)36 static inline void cpufreq_acct_update_power(struct task_struct *p,
37 u64 cputime) {}
cpufreq_times_create_policy(struct cpufreq_policy * policy)38 static inline void cpufreq_times_create_policy(struct cpufreq_policy *policy) {}
cpufreq_times_record_transition(struct cpufreq_policy * policy,unsigned int new_freq)39 static inline void cpufreq_times_record_transition(
40 struct cpufreq_policy *policy, unsigned int new_freq) {}
41 #endif /* CONFIG_CPU_FREQ_TIMES */
42 #endif /* _LINUX_CPUFREQ_TIMES_H */
43