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Date: Wed, 13 Aug 2014 13:22:34 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Amit Kucheria <amit.kucheria@linaro.org>
Cc: Ingo Molnar <mingo@kernel.org>, "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux PM list <linux-pm@vger.kernel.org>,
        "Gross, Mark" <mark.gross@intel.com>,
        Paul McKenney <Paul.McKenney@us.ibm.com>,
        Morten Rasmussen <Morten.Rasmussen@arm.com>,
        Dietmar Eggemann <Dietmar.Eggemann@arm.com>,
        Preeti U Murthy <preeti@linux.vnet.ibm.com>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        Vincent Guittot <vincent.guittot@linaro.org>,
        Mike Turquette <mturquette@linaro.org>,
        Juri Lelli <juri.lelli@arm.com>, sched-tools@linaro.org
Subject: Re: [ANNOUNCE] Tools to analyse PM and scheduling behaviour
Message-ID: <20140813112234.GK9918@twins.programming.kicks-ass.net>
References: <CAP245DUSAHO_VBoBMy4KQaaA6_0a-i3Y3u4utnK8ji3UMVniyA@mail.gmail.com>
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On Fri, Aug 08, 2014 at 07:24:01PM +0530, Amit Kucheria wrote:
> Workload Generator Details
> --------------------------
> The Workload Generator is based on rt-app. Shared resources, waits, signa=
ls
> and locking order can be specified for each thread in a JSON description =
to
> construct complex interdependencies. This allows simulation of interesting
> use-cases. The repository contains examples of a mp3 and web-browsing
> workload.
>=20
> The method to construct the JSON description is quite manual currently. We
> capture the trace of a workload of interest (say, on Android) and analyse
> it in kernelshark. We then construct the JSON description by hand until i=
ts
> resultant trace looks similar to the trace from the real workload.
>=20
> The immediate goal is to expand the library to cover the common mobile
> workloads. We=E2=80=99re also working with the rt-app maintainer to get o=
ur changes
> merged.

With the end goal of having a program convert a trace into a JSON
description I take it?

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