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authorFrederic Weisbecker <fweisbec@gmail.com>2012-10-05 23:07:19 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2012-10-29 21:31:30 +0100
commitdcbf832e5823156e8f155359b47bd108cac8ad68 (patch)
tree18b8ded5f51ffee7781d8437124fb38283172b68 /include/linux/vtime.h
parente9c84cb8d5f1b1ea6fcbe6190d51dc84b6975938 (diff)
downloadlinux-linaro-stable-dcbf832e5823156e8f155359b47bd108cac8ad68.tar.gz
vtime: Gather vtime declarations to their own header file
These APIs are scattered around and are going to expand a bit. Let's create a dedicated header file for sanity. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Diffstat (limited to 'include/linux/vtime.h')
-rw-r--r--include/linux/vtime.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/vtime.h b/include/linux/vtime.h
new file mode 100644
index 000000000000..7199c24c8204
--- /dev/null
+++ b/include/linux/vtime.h
@@ -0,0 +1,22 @@
+#ifndef _LINUX_KERNEL_VTIME_H
+#define _LINUX_KERNEL_VTIME_H
+
+struct task_struct;
+
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING
+extern void vtime_task_switch(struct task_struct *prev);
+extern void vtime_account_system(struct task_struct *tsk);
+extern void vtime_account_idle(struct task_struct *tsk);
+#else
+static inline void vtime_task_switch(struct task_struct *prev) { }
+#endif
+
+#if !defined(CONFIG_VIRT_CPU_ACCOUNTING) && !defined(CONFIG_IRQ_TIME_ACCOUNTING)
+static inline void vtime_account(struct task_struct *tsk)
+{
+}
+#else
+extern void vtime_account(struct task_struct *tsk);
+#endif
+
+#endif /* _LINUX_KERNEL_VTIME_H */