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Commit 1213699a authored by Frederic Weisbecker's avatar Frederic Weisbecker Committed by Ingo Molnar
Browse files

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: default avatarFrederic Weisbecker <fweisbec@gmail.com>
Acked-by: default avatarThomas 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: default avatarIngo Molnar <mingo@kernel.org>
parent c31cc6a5

include/linux/kernel_stat.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -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_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_time(struct task_struct *, int, cputime_t);

extern void account_system_index_time(struct task_struct *, cputime_t,

extern void account_system_index_time(struct task_struct *, cputime_t,

				      enum cpu_usage_stat);

				      enum cpu_usage_stat);

kernel/sched/cputime.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -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

 * @p: the process that the cpu time gets accounted to

 * @cputime: the cpu time spent in virtual machine since the last update

 * @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;

	u64 *cpustat = kcpustat_this_cpu->cpustat;