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gerrit-public.fairphone.software / kernel / msm-4.9 / a5725ac23bf4ff79656ac2c317c323e261327fb3 / . / include / linux / vtime.h
blob: 2ad073915e8c2bb8c88b4d523e1ad13485c08bbd [file] [log] [blame]
Frederic Weisbeckerdcbf8322012-10-05 23:07:19 +0200[diff] [blame]1#ifndef _LINUX_KERNEL_VTIME_H
2#define _LINUX_KERNEL_VTIME_H
3
Frederic Weisbeckera5725ac2013-07-16 18:50:52 +0200[diff] [blame^]4#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
5#include <asm/vtime.h>
6#endif
7
Frederic Weisbeckerdcbf8322012-10-05 23:07:19 +0200[diff] [blame]8struct task_struct;
9
10#ifdef CONFIG_VIRT_CPU_ACCOUNTING
11extern void vtime_task_switch(struct task_struct *prev);
12extern void vtime_account_system(struct task_struct *tsk);
Frederic Weisbeckerfd25b4c2012-11-13 18:21:22 +0100[diff] [blame]13extern void vtime_account_idle(struct task_struct *tsk);
Frederic Weisbeckerbcebdf82012-11-13 23:51:06 +0100[diff] [blame]14extern void vtime_account_user(struct task_struct *tsk);
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]15extern void vtime_account_irq_enter(struct task_struct *tsk);
Frederic Weisbecker3f4724e2012-07-16 18:00:34 +0200[diff] [blame]16
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]17#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
Frederic Weisbecker3f4724e2012-07-16 18:00:34 +0200[diff] [blame]18static inline bool vtime_accounting_enabled(void) { return true; }
19#endif
20
21#else /* !CONFIG_VIRT_CPU_ACCOUNTING */
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]22
Frederic Weisbeckerdcbf8322012-10-05 23:07:19 +0200[diff] [blame]23static inline void vtime_task_switch(struct task_struct *prev) { }
Frederic Weisbecker11113332012-10-24 18:05:51 +0200[diff] [blame]24static inline void vtime_account_system(struct task_struct *tsk) { }
Frederic Weisbeckerabf917c2012-07-25 07:56:04 +0200[diff] [blame]25static inline void vtime_account_user(struct task_struct *tsk) { }
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]26static inline void vtime_account_irq_enter(struct task_struct *tsk) { }
Frederic Weisbecker3f4724e2012-07-16 18:00:34 +0200[diff] [blame]27static inline bool vtime_accounting_enabled(void) { return false; }
Frederic Weisbeckerdcbf8322012-10-05 23:07:19 +0200[diff] [blame]28#endif
29
Frederic Weisbeckerabf917c2012-07-25 07:56:04 +0200[diff] [blame]30#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]31extern void arch_vtime_task_switch(struct task_struct *tsk);
32extern void vtime_account_irq_exit(struct task_struct *tsk);
33extern bool vtime_accounting_enabled(void);
34extern void vtime_user_enter(struct task_struct *tsk);
Frederic Weisbeckerabf917c2012-07-25 07:56:04 +0200[diff] [blame]35static inline void vtime_user_exit(struct task_struct *tsk)
36{
37 vtime_account_user(tsk);
38}
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]39extern void vtime_guest_enter(struct task_struct *tsk);
40extern void vtime_guest_exit(struct task_struct *tsk);
Frederic Weisbecker45eacc62013-05-15 22:16:32 +0200[diff] [blame]41extern void vtime_init_idle(struct task_struct *tsk, int cpu);
Frederic Weisbeckerabf917c2012-07-25 07:56:04 +0200[diff] [blame]42#else
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]43static inline void vtime_account_irq_exit(struct task_struct *tsk)
44{
45 /* On hard|softirq exit we always account to hard|softirq cputime */
46 vtime_account_system(tsk);
47}
Frederic Weisbeckerabf917c2012-07-25 07:56:04 +0200[diff] [blame]48static inline void vtime_user_enter(struct task_struct *tsk) { }
49static inline void vtime_user_exit(struct task_struct *tsk) { }
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]50static inline void vtime_guest_enter(struct task_struct *tsk) { }
51static inline void vtime_guest_exit(struct task_struct *tsk) { }
Frederic Weisbecker45eacc62013-05-15 22:16:32 +0200[diff] [blame]52static inline void vtime_init_idle(struct task_struct *tsk, int cpu) { }
Frederic Weisbeckerabf917c2012-07-25 07:56:04 +0200[diff] [blame]53#endif
54
Frederic Weisbecker3e1df4f52012-10-06 05:23:22 +0200[diff] [blame]55#ifdef CONFIG_IRQ_TIME_ACCOUNTING
56extern void irqtime_account_irq(struct task_struct *tsk);
Frederic Weisbeckerdcbf8322012-10-05 23:07:19 +0200[diff] [blame]57#else
Frederic Weisbecker3e1df4f52012-10-06 05:23:22 +0200[diff] [blame]58static inline void irqtime_account_irq(struct task_struct *tsk) { }
Frederic Weisbeckerdcbf8322012-10-05 23:07:19 +0200[diff] [blame]59#endif
60
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]61static inline void account_irq_enter_time(struct task_struct *tsk)
Frederic Weisbeckerfa5058f2012-10-06 04:07:19 +0200[diff] [blame]62{
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]63 vtime_account_irq_enter(tsk);
Frederic Weisbecker3e1df4f52012-10-06 05:23:22 +0200[diff] [blame]64 irqtime_account_irq(tsk);
Frederic Weisbeckerfa5058f2012-10-06 04:07:19 +0200[diff] [blame]65}
66
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]67static inline void account_irq_exit_time(struct task_struct *tsk)
Frederic Weisbeckerfa5058f2012-10-06 04:07:19 +0200[diff] [blame]68{
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]69 vtime_account_irq_exit(tsk);
Frederic Weisbecker3e1df4f52012-10-06 05:23:22 +0200[diff] [blame]70 irqtime_account_irq(tsk);
Frederic Weisbeckerfa5058f2012-10-06 04:07:19 +0200[diff] [blame]71}
72
Frederic Weisbeckerdcbf8322012-10-05 23:07:19 +0200[diff] [blame]73#endif /* _LINUX_KERNEL_VTIME_H */