From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: Yuyang Du <yuyang.du@intel.com>
Cc: mingo@redhat.com, peterz@infradead.org,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
arjan.van.de.ven@intel.com, len.brown@intel.com,
rafael.j.wysocki@intel.com, alan.cox@intel.com,
mark.gross@intel.com, morten.rasmussen@arm.com,
vincent.guittot@linaro.org
Subject: Re: [RFC] A new CPU load metric for power-efficient scheduler: CPU ConCurrency
Date: Fri, 25 Apr 2014 08:23:40 +0200 [thread overview]
Message-ID: <1398407020.7893.34.camel@marge.simpson.net> (raw)
In-Reply-To: <20140424193004.GA2467@intel.com>
On Fri, 2014-04-25 at 03:30 +0800, Yuyang Du wrote:
> To track CC, we intercept the scheduler in 1) enqueue, 2) dequeue, 3)
> scheduler tick, and 4) enter/exit idle.
Boo hiss to 1, 2 and 4. Less fastpath math would be better.
-Mike
next prev parent reply other threads:[~2014-04-25 6:23 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-24 19:30 [RFC] A new CPU load metric for power-efficient scheduler: CPU ConCurrency Yuyang Du
2014-04-25 6:23 ` Mike Galbraith [this message]
2014-04-25 8:00 ` Vincent Guittot
2014-04-25 9:57 ` Peter Zijlstra
2014-04-25 10:23 ` Morten Rasmussen
2014-04-25 12:19 ` Rafael J. Wysocki
2014-04-25 14:53 ` Morten Rasmussen
2014-04-27 14:05 ` Rafael J. Wysocki
2014-04-27 20:07 ` Yuyang Du
2014-04-28 15:22 ` Morten Rasmussen
2014-04-28 19:26 ` Yuyang Du
2014-04-28 19:26 ` Yuyang Du
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