From: bugzilla-daemon@bugzilla.kernel.org
To: cpufreq@vger.kernel.org
Subject: [Bug 100771] When activating ignore_nice_load with governor ondemand performance drops for normal processes.
Date: Wed, 16 Dec 2015 16:26:43 +0000 [thread overview]
Message-ID: <bug-100771-12968-2PumHHMtqV@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-100771-12968@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=100771
--- Comment #4 from calvaris@igalia.com ---
(In reply to Chen Yu from comment #3)
> 2.When you enable ignore_nice_load, the task_b with nice = 1 will be
> considered to be idle, which means that, the total time task_b is running,
> will be added to current cpu's idle time, which will cause the cpufreq
> governor to treat the cpu load lower than when ignore_nice_load disabled.
I understand the rationale you explain if we apply it only to idle tasks. What
I don't agree with is that tasks with idle priority can slow down tasks with
normal priority.
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next prev parent reply other threads:[~2015-12-16 16:26 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-100771-12968@https.bugzilla.kernel.org/>
2015-07-08 5:58 ` [Bug 100771] When activating ignore_nice_load with governor ondemand performance drops for normal processes bugzilla-daemon
2015-12-16 15:11 ` bugzilla-daemon
2015-12-16 16:26 ` bugzilla-daemon [this message]
2015-12-17 2:27 ` bugzilla-daemon
2015-12-17 8:33 ` bugzilla-daemon
2015-12-17 9:09 ` bugzilla-daemon
2015-12-23 6:40 ` bugzilla-daemon
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