From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 69821] setting CONFIG_HZ_PERIODIC locks cpu at the lowest
 frequency using ONDEMAND
Date: Tue, 11 Feb 2014 10:01:18 +0000
Message-ID: <bug-69821-12968-3bTshnn9k4@https.bugzilla.kernel.org/>
References: <bug-69821-12968@https.bugzilla.kernel.org/>
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https://bugzilla.kernel.org/show_bug.cgi?id=69821

--- Comment #2 from j.fikar@gmail.com ---
Well, I was trying the new CONFIG_NO_HZ_FULL and comparing it to the two old
CONFIG_NO_HZ_IDLE and CONFIG_HZ_PERIODIC. To my surprise the oldest (and I
thought most stable and most tested) CONFIG_HZ_PERIODIC causes problems with
CPU scaling.

On the other hand, I'm aware that CONFIG_NO_HZ_IDLE is the recommended default
and that there was a lot of recent development due to the new
CONFIG_NO_HZ_FULL. 

Anyway, I think it is a bug and not expected behaviour, right?

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