Messages in this thread | | | Date | Wed, 27 Jul 2022 09:00:27 -0400 | From | Johannes Weiner <> | Subject | Re: [PATCH 9/9] sched/psi: add PSI_IRQ to track IRQ/SOFTIRQ pressure |
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On Wed, Jul 27, 2022 at 07:28:37PM +0800, Chengming Zhou wrote: > On 2022/7/26 02:26, Johannes Weiner wrote: > > I think we can remove the NR_CPU task count, which frees up one > > u32. Something like the below diff should work (untested!) > > Hi, I tested ok, would you mind if I put this patch in this series? > > Subject: [PATCH] sched/psi: remove NR_ONCPU task accounting > > We put all fields updated by the scheduler in the first cacheline of > struct psi_group_cpu for performance. > > Since we want add another PSI_IRQ_FULL to track IRQ/SOFTIRQ pressure, > we need to reclaim space first. This patch remove NR_ONCPU task accounting > in struct psi_group_cpu, use TSK_ONCPU in state_mask to track instead.
Thanks for testing it, that sounds good.
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> > Reviewed-by: Chengming Zhou <zhouchengming@bytedance.com> > Tested-by: Chengming Zhou <zhouchengming@bytedance.com>
Since you're handling the patch, you need to add your own Signed-off-by: as well. And keep From: Johannes (git commit --author).
Thanks!
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