linux-kernel - Re: Performance issue since 3.2.6

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Message-ID: <CAPPqfY0-dEnm5JnTo=6ybTjv+A-1uz=ZRR4zcU5sPs+jBxbhLQ@mail.gmail.com>
Date:	Mon, 21 Jan 2013 14:18:29 +0100
From:	Olivier Doucet <webmaster@...ux.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Borislav Petkov <bp@...en8.de>, linux-kernel@...r.kernel.org
Subject: Re: Performance issue since 3.2.6

Hello,

2013/1/18 Rafael J. Wysocki <rjw@...k.pl>:
> It looks like the value returned by pm_qos_request() with CONFIG_PM unset
> for PM_QOS_CPU_DMA_LATENCY is not the right one.

FYI, I benchmarked a new version with :
CONFIG_PM_RUNTIME=y
CONFIG_PM=y

but the performance loss is still present.

Olivier
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