Messages in this thread Patch in this message | | | Date | Sat, 14 Jan 2017 02:01:59 -0800 | From | tip-bot for Frederic Weisbecker <> | Subject | [tip:sched/core] sched/cputime: Export account_guest_time() |
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Commit-ID: 1213699ab426608ff1925ab263dd6925102bb92a Gitweb: http://git.kernel.org/tip/1213699ab426608ff1925ab263dd6925102bb92a Author: Frederic Weisbecker <fweisbec@gmail.com> AuthorDate: Thu, 5 Jan 2017 18:11:44 +0100 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Sat, 14 Jan 2017 09:54:11 +0100
sched/cputime: Export account_guest_time()
In order to prepare for CONFIG_VIRT_CPU_ACCOUNTING_NATIVE=y to delay cputime accounting to the tick, let's allow archs to account cputime directly to gtime.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rik van Riel <riel@redhat.com> Cc: Stanislaw Gruszka <sgruszka@redhat.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Wanpeng Li <wanpeng.li@hotmail.com> Link: http://lkml.kernel.org/r/1483636310-6557-5-git-send-email-fweisbec@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org> --- 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;
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