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From: Mark Brown <broonie@kernel.org>
To: Jon Hunter <jonathanh@nvidia.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>,
	Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
	alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org,
	linux-tegra@vger.kernel.org
Subject: Re: [RFC PATCH] ASoC: core: Optimise suspend/resume of DAPM widgets
Date: Thu, 16 Aug 2018 11:51:35 +0100	[thread overview]
Message-ID: <20180816105135.GZ2414@sirena.org.uk> (raw)
In-Reply-To: <e1bc40ec-de7e-2b77-d7f6-ec6b3066aeec@nvidia.com>

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On Wed, Aug 15, 2018 at 07:48:47PM +0100, Jon Hunter wrote:

> So then I made the following change to avoid scheduling the function
> calls unnecessarily (which I think should be fine) ...

> Please note that I am just using ktime_get() to log the time on entry
> and exit from dapm_power_widgets() and so yes the time may not be
> purely the time take to execute this function if we are preempted,
> but I am measuring in the same way in both cases and so it does seem
> to show some improvement.

That seems like a simple and useful optimization, will you send a patch?

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  reply	other threads:[~2018-08-16 10:51 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-03 12:57 [RFC PATCH] ASoC: core: Optimise suspend/resume of DAPM widgets Jon Hunter
2018-08-03 16:36 ` Mark Brown
2018-08-13 18:19   ` Jon Hunter
2018-08-14 14:40     ` Mark Brown
2018-08-15 18:48       ` Jon Hunter
2018-08-16 10:51         ` Mark Brown [this message]
2018-08-16 15:25           ` Jon Hunter

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