Re: [PATCH 0/10] psi: pressure stall information for CPU, memory, and IO v2

From: peter enderborg
Date: Thu Jul 19 2018 - 07:29:46 EST


On 07/19/2018 12:21 AM, Johannes Weiner wrote:
>
> Yes, we currently use a userspace application that monitors pressure
> and OOM kills (there is usually plenty of headroom left for a small
> application to run by the time quality of service for most workloads
> has already tanked to unacceptable levels). We want to eventually add
> this back into the kernel with the appropriate configuration options
> (pressure threshold value and sustained duration etc.)
Is that the same application as googles lmkd for android? Any source
that you might share?