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Subject: Re: [PATCH 0/10] psi: pressure stall information for CPU, memory, and
 IO v2
To:     Johannes Weiner <hannes@cmpxchg.org>,
        Michal Hocko <mhocko@kernel.org>
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        Peter Zijlstra <peterz@infradead.org>,
        Andrew Morton <akpm@linuxfoundation.org>,
        Tejun Heo <tj@kernel.org>,
        Balbir Singh <bsingharora@gmail.com>,
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        xxx xxx <x.qendo@gmail.com>,
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        Vinayak Menon <vinmenon@codeaurora.org>,
        Ruslan Ruslichenko <rruslich@cisco.com>, <kernel-team@fb.com>
References: <20180712172942.10094-1-hannes@cmpxchg.org>
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 <20180717112515.GE7193@dhcp22.suse.cz> <20180718222157.GG2838@cmpxchg.org>
From:   peter enderborg <peter.enderborg@sony.com>
Message-ID: <143db4db-2613-345d-9b8e-1794b6d8c4fe@sony.com>
Date:   Thu, 19 Jul 2018 13:29:39 +0200
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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?