2012-10-05 15:07:19 -06:00
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#ifndef _LINUX_KERNEL_VTIME_H
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#define _LINUX_KERNEL_VTIME_H
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struct task_struct;
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#ifdef CONFIG_VIRT_CPU_ACCOUNTING
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extern void vtime_task_switch(struct task_struct *prev);
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extern void vtime_account_system(struct task_struct *tsk);
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2012-11-13 10:21:22 -07:00
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extern void vtime_account_idle(struct task_struct *tsk);
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2012-11-13 15:51:06 -07:00
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extern void vtime_account_user(struct task_struct *tsk);
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2012-12-16 12:00:34 -07:00
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extern void vtime_account_irq_enter(struct task_struct *tsk);
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2012-07-16 10:00:34 -06:00
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2012-12-16 12:00:34 -07:00
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#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
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2012-07-16 10:00:34 -06:00
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static inline bool vtime_accounting_enabled(void) { return true; }
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#endif
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#else /* !CONFIG_VIRT_CPU_ACCOUNTING */
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2012-12-16 12:00:34 -07:00
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2012-10-05 15:07:19 -06:00
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static inline void vtime_task_switch(struct task_struct *prev) { }
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2012-10-24 10:05:51 -06:00
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static inline void vtime_account_system(struct task_struct *tsk) { }
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2012-07-24 23:56:04 -06:00
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static inline void vtime_account_user(struct task_struct *tsk) { }
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2012-12-16 12:00:34 -07:00
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static inline void vtime_account_irq_enter(struct task_struct *tsk) { }
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2012-07-16 10:00:34 -06:00
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static inline bool vtime_accounting_enabled(void) { return false; }
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2012-07-24 23:56:04 -06:00
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#endif
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#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
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2012-12-16 12:00:34 -07:00
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extern void arch_vtime_task_switch(struct task_struct *tsk);
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extern void vtime_account_irq_exit(struct task_struct *tsk);
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extern bool vtime_accounting_enabled(void);
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extern void vtime_user_enter(struct task_struct *tsk);
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2012-07-24 23:56:04 -06:00
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static inline void vtime_user_exit(struct task_struct *tsk)
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{
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vtime_account_user(tsk);
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}
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2012-12-16 12:00:34 -07:00
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extern void vtime_guest_enter(struct task_struct *tsk);
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extern void vtime_guest_exit(struct task_struct *tsk);
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2013-05-15 14:16:32 -06:00
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extern void vtime_init_idle(struct task_struct *tsk, int cpu);
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2012-07-24 23:56:04 -06:00
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#else
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2012-12-16 12:00:34 -07:00
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static inline void vtime_account_irq_exit(struct task_struct *tsk)
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{
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/* On hard|softirq exit we always account to hard|softirq cputime */
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vtime_account_system(tsk);
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}
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2012-07-24 23:56:04 -06:00
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static inline void vtime_user_enter(struct task_struct *tsk) { }
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static inline void vtime_user_exit(struct task_struct *tsk) { }
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2012-12-16 12:00:34 -07:00
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static inline void vtime_guest_enter(struct task_struct *tsk) { }
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static inline void vtime_guest_exit(struct task_struct *tsk) { }
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2013-05-15 14:16:32 -06:00
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static inline void vtime_init_idle(struct task_struct *tsk, int cpu) { }
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2012-10-05 15:07:19 -06:00
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#endif
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2012-10-05 21:23:22 -06:00
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#ifdef CONFIG_IRQ_TIME_ACCOUNTING
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extern void irqtime_account_irq(struct task_struct *tsk);
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2012-10-05 15:07:19 -06:00
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#else
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2012-10-05 21:23:22 -06:00
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static inline void irqtime_account_irq(struct task_struct *tsk) { }
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2012-10-05 15:07:19 -06:00
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#endif
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2012-12-16 12:00:34 -07:00
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static inline void account_irq_enter_time(struct task_struct *tsk)
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2012-10-05 20:07:19 -06:00
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{
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2012-12-16 12:00:34 -07:00
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vtime_account_irq_enter(tsk);
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2012-10-05 21:23:22 -06:00
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irqtime_account_irq(tsk);
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2012-10-05 20:07:19 -06:00
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}
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2012-12-16 12:00:34 -07:00
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static inline void account_irq_exit_time(struct task_struct *tsk)
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2012-10-05 20:07:19 -06:00
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{
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2012-12-16 12:00:34 -07:00
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vtime_account_irq_exit(tsk);
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2012-10-05 21:23:22 -06:00
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irqtime_account_irq(tsk);
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2012-10-05 20:07:19 -06:00
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}
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2012-10-05 15:07:19 -06:00
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#endif /* _LINUX_KERNEL_VTIME_H */
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