Re: [Linux Kernel 5.13 GA] ESXi Performance regression

From: Steven Rostedt
Date: Thu Aug 05 2021 - 10:58:57 EST


On Thu, 5 Aug 2021 14:33:52 +0000
Rahul Gopakumar <gopakumarr@xxxxxxxxxx> wrote:

> In our testing, we use RHEL 8.1 distro. It looks like tuned daemon updates
> 15ms (per tuned virtual-guest profile) in /proc/sys/kernel/sched_wakeup_granularity_ns
> file during tuned's startup.
>
> Now tuned daemon is not able to update the value as the commit moves those
> files to debugs and thus sched_wakeup_granularity_ns file remains with the
> default value.

Hmm, is this a user space breakage?

-- Steve