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gerrit-public.fairphone.software / kernel / msm-4.19 / 42571aefafb1d330ef84eb29418832f72e7dfb4c / . / include / linux / vtime.h
blob: b1dd2db80076d87d77236b76e9314557a185ae5c [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
4struct task_struct;
5
6#ifdef CONFIG_VIRT_CPU_ACCOUNTING
7extern void vtime_task_switch(struct task_struct *prev);
8extern void vtime_account_system(struct task_struct *tsk);
Frederic Weisbeckerfd25b4c2012-11-13 18:21:22 +0100[diff] [blame]9extern void vtime_account_idle(struct task_struct *tsk);
Frederic Weisbeckerbcebdf82012-11-13 23:51:06 +0100[diff] [blame]10extern void vtime_account_user(struct task_struct *tsk);
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]11extern void vtime_account_irq_enter(struct task_struct *tsk);
Frederic Weisbecker3f4724e2012-07-16 18:00:34 +0200[diff] [blame]12
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]13#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
Frederic Weisbecker3f4724e2012-07-16 18:00:34 +0200[diff] [blame]14static inline bool vtime_accounting_enabled(void) { return true; }
15#endif
16
17#else /* !CONFIG_VIRT_CPU_ACCOUNTING */
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]18
Frederic Weisbeckerdcbf8322012-10-05 23:07:19 +0200[diff] [blame]19static inline void vtime_task_switch(struct task_struct *prev) { }
Frederic Weisbecker11113332012-10-24 18:05:51 +0200[diff] [blame]20static inline void vtime_account_system(struct task_struct *tsk) { }
Frederic Weisbeckerabf917c2012-07-25 07:56:04 +0200[diff] [blame]21static inline void vtime_account_user(struct task_struct *tsk) { }
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]22static inline void vtime_account_irq_enter(struct task_struct *tsk) { }
Frederic Weisbecker3f4724e2012-07-16 18:00:34 +0200[diff] [blame]23static inline bool vtime_accounting_enabled(void) { return false; }
Frederic Weisbeckerdcbf8322012-10-05 23:07:19 +0200[diff] [blame]24#endif
25
Frederic Weisbeckerabf917c2012-07-25 07:56:04 +0200[diff] [blame]26#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]27extern void arch_vtime_task_switch(struct task_struct *tsk);
28extern void vtime_account_irq_exit(struct task_struct *tsk);
29extern bool vtime_accounting_enabled(void);
30extern void vtime_user_enter(struct task_struct *tsk);
Frederic Weisbeckerabf917c2012-07-25 07:56:04 +0200[diff] [blame]31static inline void vtime_user_exit(struct task_struct *tsk)
32{
33 vtime_account_user(tsk);
34}
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]35extern void vtime_guest_enter(struct task_struct *tsk);
36extern void vtime_guest_exit(struct task_struct *tsk);
Frederic Weisbecker45eacc62013-05-15 22:16:32 +0200[diff] [blame]37extern void vtime_init_idle(struct task_struct *tsk, int cpu);
Frederic Weisbeckerabf917c2012-07-25 07:56:04 +0200[diff] [blame]38#else
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]39static inline void vtime_account_irq_exit(struct task_struct *tsk)
40{
41 /* On hard|softirq exit we always account to hard|softirq cputime */
42 vtime_account_system(tsk);
43}
Frederic Weisbeckerabf917c2012-07-25 07:56:04 +0200[diff] [blame]44static inline void vtime_user_enter(struct task_struct *tsk) { }
45static inline void vtime_user_exit(struct task_struct *tsk) { }
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]46static inline void vtime_guest_enter(struct task_struct *tsk) { }
47static inline void vtime_guest_exit(struct task_struct *tsk) { }
Frederic Weisbecker45eacc62013-05-15 22:16:32 +0200[diff] [blame]48static inline void vtime_init_idle(struct task_struct *tsk, int cpu) { }
Frederic Weisbeckerabf917c2012-07-25 07:56:04 +0200[diff] [blame]49#endif
50
Frederic Weisbecker3e1df4f52012-10-06 05:23:22 +0200[diff] [blame]51#ifdef CONFIG_IRQ_TIME_ACCOUNTING
52extern void irqtime_account_irq(struct task_struct *tsk);
Frederic Weisbeckerdcbf8322012-10-05 23:07:19 +0200[diff] [blame]53#else
Frederic Weisbecker3e1df4f52012-10-06 05:23:22 +0200[diff] [blame]54static inline void irqtime_account_irq(struct task_struct *tsk) { }
Frederic Weisbeckerdcbf8322012-10-05 23:07:19 +0200[diff] [blame]55#endif
56
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]57static inline void account_irq_enter_time(struct task_struct *tsk)
Frederic Weisbeckerfa5058f2012-10-06 04:07:19 +0200[diff] [blame]58{
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]59 vtime_account_irq_enter(tsk);
Frederic Weisbecker3e1df4f52012-10-06 05:23:22 +0200[diff] [blame]60 irqtime_account_irq(tsk);
Frederic Weisbeckerfa5058f2012-10-06 04:07:19 +0200[diff] [blame]61}
62
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]63static inline void account_irq_exit_time(struct task_struct *tsk)
Frederic Weisbeckerfa5058f2012-10-06 04:07:19 +0200[diff] [blame]64{
Frederic Weisbecker6a616712012-12-16 20:00:34 +0100[diff] [blame]65 vtime_account_irq_exit(tsk);
Frederic Weisbecker3e1df4f52012-10-06 05:23:22 +0200[diff] [blame]66 irqtime_account_irq(tsk);
Frederic Weisbeckerfa5058f2012-10-06 04:07:19 +0200[diff] [blame]67}
68
Frederic Weisbeckerdcbf8322012-10-05 23:07:19 +0200[diff] [blame]69#endif /* _LINUX_KERNEL_VTIME_H */