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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2016-07-13 16:50:04 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-14 10:42:35 +0200 |
| commit | 8612f17ab99c1f0770792bc875f5f039212a2a85 (patch) | |
| tree | 49092de1107eb26d4947d05906ed36d645a358ec /include/linux/vtime.h | |
| parent | 0cfdf9a198b0d4f5ad6c87d894db7830b796b2cc (diff) | |
| download | lwn-8612f17ab99c1f0770792bc875f5f039212a2a85.tar.gz lwn-8612f17ab99c1f0770792bc875f5f039212a2a85.zip | |
sched/cputime: Reorganize vtime native irqtime accounting headers
The vtime irqtime accounting headers are very scattered and convoluted
right now. Reorganize them such that it is obvious that only
CONFIG_VIRT_CPU_ACCOUNTING_NATIVE does use it.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Radim Krcmar <rkrcmar@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Wanpeng Li <wanpeng.li@hotmail.com>
Link: http://lkml.kernel.org/r/1468421405-20056-5-git-send-email-fweisbec@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/vtime.h')
| -rw-r--r-- | include/linux/vtime.h | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/include/linux/vtime.h b/include/linux/vtime.h index 65aef5e9d04e..aa9bfea8804a 100644 --- a/include/linux/vtime.h +++ b/include/linux/vtime.h @@ -12,12 +12,9 @@ struct task_struct; /* * vtime_accounting_cpu_enabled() definitions/declarations */ -#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE +#if defined(CONFIG_VIRT_CPU_ACCOUNTING_NATIVE) static inline bool vtime_accounting_cpu_enabled(void) { return true; } -extern void vtime_account_irq_enter(struct task_struct *tsk); -#endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */ - -#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN +#elif defined(CONFIG_VIRT_CPU_ACCOUNTING_GEN) /* * Checks if vtime is enabled on some CPU. Cputime readers want to be careful * in that case and compute the tickless cputime. @@ -38,11 +35,9 @@ static inline bool vtime_accounting_cpu_enabled(void) return false; } -#endif /* CONFIG_VIRT_CPU_ACCOUNTING_GEN */ - -#ifndef CONFIG_VIRT_CPU_ACCOUNTING +#else /* !CONFIG_VIRT_CPU_ACCOUNTING */ static inline bool vtime_accounting_cpu_enabled(void) { return false; } -#endif /* !CONFIG_VIRT_CPU_ACCOUNTING */ +#endif /* @@ -70,14 +65,10 @@ extern void vtime_account_user(struct task_struct *tsk); static inline void vtime_task_switch(struct task_struct *prev) { } static inline void vtime_account_system(struct task_struct *tsk) { } static inline void vtime_account_user(struct task_struct *tsk) { } -static inline void vtime_account_irq_enter(struct task_struct *tsk) { } #endif /* !CONFIG_VIRT_CPU_ACCOUNTING */ #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN extern void arch_vtime_task_switch(struct task_struct *tsk); -static inline void vtime_account_irq_enter(struct task_struct *tsk) { } -static inline void vtime_account_irq_exit(struct task_struct *tsk) { } - extern void vtime_user_enter(struct task_struct *tsk); static inline void vtime_user_exit(struct task_struct *tsk) @@ -88,11 +79,6 @@ extern void vtime_guest_enter(struct task_struct *tsk); extern void vtime_guest_exit(struct task_struct *tsk); extern void vtime_init_idle(struct task_struct *tsk, int cpu); #else /* !CONFIG_VIRT_CPU_ACCOUNTING_GEN */ -static inline void vtime_account_irq_exit(struct task_struct *tsk) -{ - /* On hard|softirq exit we always account to hard|softirq cputime */ - vtime_account_system(tsk); -} static inline void vtime_user_enter(struct task_struct *tsk) { } static inline void vtime_user_exit(struct task_struct *tsk) { } static inline void vtime_guest_enter(struct task_struct *tsk) { } @@ -100,6 +86,19 @@ static inline void vtime_guest_exit(struct task_struct *tsk) { } static inline void vtime_init_idle(struct task_struct *tsk, int cpu) { } #endif +#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE +extern void vtime_account_irq_enter(struct task_struct *tsk); +static inline void vtime_account_irq_exit(struct task_struct *tsk) +{ + /* On hard|softirq exit we always account to hard|softirq cputime */ + vtime_account_system(tsk); +} +#else /* !CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */ +static inline void vtime_account_irq_enter(struct task_struct *tsk) { } +static inline void vtime_account_irq_exit(struct task_struct *tsk) { } +#endif + + #ifdef CONFIG_IRQ_TIME_ACCOUNTING extern void irqtime_account_irq(struct task_struct *tsk); #else |