From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Gautham R Shenoy <ego@in.ibm.com>
Cc: linux-kernel@vger.kernel.org, svaidy@linux.vnet.ibm.com,
mingo@elte.hu, suresh.b.siddha@intel.com, balbir@in.ibm.com,
dipankar@in.ibm.com, efault@gmx.de, andi@firstfloor.org
Subject: Re: [PATCH 2/3] sched: Fix the wakeup nomination for sched_mc/smt_power_savings.
Date: Mon, 16 Feb 2009 18:45:23 +0100 [thread overview]
Message-ID: <1234806323.30178.189.camel@laptop> (raw)
In-Reply-To: <20090216165111.12804.41620.stgit@sofia.in.ibm.com>
On Mon, 2009-02-16 at 22:21 +0530, Gautham R Shenoy wrote:
> @@ -520,6 +520,11 @@ struct root_domain {
> * low system utilisation. Triggered at POWERSAVINGS_BALANCE_WAKEUP(2)
> */
> unsigned int sched_mc_preferred_wakeup_cpu;
> + /*
> + * The sched-domain level which is authorized to nominate the preferred
> + * wake up cpu.
> + */
> + enum sched_domain_level authorized_nomination_level
Some day my brain is just going to explode.. ;-)
Can we do a nice concise writeup of the power-save dynamics somewhere?
next prev parent reply other threads:[~2009-02-16 17:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-16 16:51 [PATCH 0/3] sched: Extend sched_mc/smt_power_savings framework Gautham R Shenoy
2009-02-16 16:51 ` [PATCH 1/3] sched: code cleanup - sd_power_saving_flags(), sd_balance_for_mc/package_power() Gautham R Shenoy
2009-02-16 17:43 ` Peter Zijlstra
2009-02-17 6:55 ` Gautham R Shenoy
2009-02-16 16:51 ` [PATCH 2/3] sched: Fix the wakeup nomination for sched_mc/smt_power_savings Gautham R Shenoy
2009-02-16 17:44 ` Peter Zijlstra
2009-02-16 17:45 ` Peter Zijlstra [this message]
2009-02-17 6:59 ` Gautham R Shenoy
2009-02-16 16:51 ` [PATCH 3/3] sched: Fix sd_parent_degenerate for SD_POWERSAVINGS_BALANCE Gautham R Shenoy
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