In order to prepare for CONFIG_VIRT_CPU_ACCOUNTING_NATIVE to delay cputime accounting to the tick, let's allow archs to account cputime directly to gtime.
Cc: Benjamin Herrenschmidt <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Heiko Carstens <[email protected]> Cc: Martin Schwidefsky <[email protected]> Cc: Tony Luck <[email protected]> Cc: Fenghua Yu <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Stanislaw Gruszka <[email protected]> Cc: Wanpeng Li <[email protected]> Cc: Christian Borntraeger <[email protected]> Signed-off-by: Frederic Weisbecker <[email protected]> --- include/linux/kernel_stat.h | 1 + kernel/sched/cputime.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index 14b63bb..cfd6c0c 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -79,6 +79,7 @@ static inline unsigned int kstat_cpu_irqs_sum(unsigned int cpu) } extern void account_user_time(struct task_struct *, cputime_t); +extern void account_guest_time(struct task_struct *, cputime_t); extern void account_system_time(struct task_struct *, int, cputime_t); extern void account_system_index_time(struct task_struct *, cputime_t, enum cpu_usage_stat); diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index aad4283..5813ee4 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -151,7 +151,7 @@ void account_user_time(struct task_struct *p, cputime_t cputime) * @p: the process that the cpu time gets accounted to * @cputime: the cpu time spent in virtual machine since the last update */ -static void account_guest_time(struct task_struct *p, cputime_t cputime) +void account_guest_time(struct task_struct *p, cputime_t cputime) { u64 *cpustat = kcpustat_this_cpu->cpustat; -- 2.7.4
