linux-kernel - Re: [PATCH 3/3] cpuidle/drivers/mbed: Add new governor for embedded systems

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Date:   Tue, 2 Apr 2019 14:22:38 +0100
From:   Quentin Perret <quentin.perret@....com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     rjw@...ysocki.net, tglx@...utronix.de, ulf.hansson@...aro.org,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] cpuidle/drivers/mbed: Add new governor for embedded
 systems

Hi Daniel,

On Friday 08 Mar 2019 at 22:20:47 (+0100), Daniel Lezcano wrote:
> Despite the naive idle state selection for this first iteration, the
> governor provides a performance improvement of 30% for Jankbench
> throughout for the same amount of energy than the menu governor

Wow, that sounds really good. Which kernel and board did you use for
testing ? What's the perf. metric here ? The 99% percentile of frame
completion time ?

Cheers,
Quentin