Commit 0c292407 authored by Haifeng Xu's avatar Haifeng Xu Committed by Peter Zijlstra
Browse files

sched/psi: Bail out early from irq time accounting 



We could bail out early when psi was disabled.

Signed-off-by: default avatarHaifeng Xu <haifeng.xu@shopee.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: default avatarChengming Zhou <zhouchengming@bytedance.com>
Link: https://lore.kernel.org/r/20230926115722.467833-1-haifeng.xu@shopee.com
parent f577cd57

kernel/sched/psi.c

+3 −0
Original line number Diff line number Diff line
@@ -998,6 +998,9 @@ void psi_account_irqtime(struct task_struct *task, u32 delta) 
	struct psi_group_cpu *groupc;

	u64 now;



	if (static_branch_likely(&psi_disabled))

		return;



	if (!task->pid)

		return;