From: bugzilla-daemon@bugzilla.kernel.org
To: cpufreq@vger.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 [thread overview]
Message-ID: <bug-69821-12968-3bTshnn9k4@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-69821-12968@https.bugzilla.kernel.org/>
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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next prev parent reply other threads:[~2014-02-11 10:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-69821-12968@https.bugzilla.kernel.org/>
2014-02-07 2:40 ` [Bug 69821] setting CONFIG_HZ_PERIODIC locks cpu at the lowest frequency using ONDEMAND bugzilla-daemon
2014-02-11 0:52 ` bugzilla-daemon
2014-02-11 10:01 ` bugzilla-daemon [this message]
2014-06-03 6:14 ` bugzilla-daemon
2015-12-15 0:12 ` bugzilla-daemon
2015-12-16 2:09 ` bugzilla-daemon
2015-12-16 2:15 ` bugzilla-daemon
2015-12-16 2:43 ` bugzilla-daemon
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