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authorFrederic Weisbecker <fweisbec@gmail.com>2012-11-14 02:51:06 +0400
committerFrederic Weisbecker <fweisbec@gmail.com>2012-11-19 19:41:21 +0400
commitbcebdf846522056a84ba0b0cba5f5413868c9394 (patch)
tree76e007a63351abe84a9713e3b182463c230d1053 /include/linux/kernel_stat.h
parentfd25b4c2f226de818e1d2b71e3e681d28bcaf5ba (diff)
downloadlinux-bcebdf846522056a84ba0b0cba5f5413868c9394.tar.xz
vtime: Explicitly account pending user time on process tick
All vtime implementations just flush the user time on process tick. Consolidate that in generic code by calling a user time accounting helper. This avoids an indirect call in ia64 and prepare to also consolidate vtime context switch code. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Reviewed-by: Steven Rostedt <rostedt@goodmis.org> 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> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'include/linux/kernel_stat.h')
-rw-r--r--include/linux/kernel_stat.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index 1865b1f29770..66b70780e910 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -127,7 +127,15 @@ extern void account_system_time(struct task_struct *, int, cputime_t, cputime_t)
extern void account_steal_time(cputime_t);
extern void account_idle_time(cputime_t);
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING
+static inline void account_process_tick(struct task_struct *tsk, int user)
+{
+ vtime_account_user(tsk);
+}
+#else
extern void account_process_tick(struct task_struct *, int user);
+#endif
+
extern void account_steal_ticks(unsigned long ticks);
extern void account_idle_ticks(unsigned long ticks);