Re: [PATCH] KVM: arm/arm64: show halt poll counters in debugfs

From: Marc Zyngier
Date: Tue Oct 29 2019 - 06:23:55 EST


On Sun, 27 Oct 2019 08:19:50 +0000,
Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote:

Hi Christian,

> ARM/ARM64 has counters halt_successful_poll, halt_attempted_poll,
> halt_poll_invalid, and halt_wakeup but never exposed those in debugfs.
>
> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
> ---
> This patch is untested

Seems to do the right thing on arm64:

halt_attempted_poll:8106331
halt_poll_invalid:0
halt_successful_poll:1440219
halt_wakeup:21835894

Applied to -next.

Thanks,

M.

--
Jazz is not dead, it just smells funny.