From: Peter Zijlstra <peterz@infradead.org>
To: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>, Venki Pallipadi <venki@google.com>,
Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
Mike Galbraith <efault@gmx.de>,
linux-kernel <linux-kernel@vger.kernel.org>,
Tim Chen <tim.c.chen@linux.jf.intel.com>,
alex.shi@intel.com
Subject: Re: [patch 1/6] sched, nohz: introduce nohz_flags in the struct rq
Date: Thu, 24 Nov 2011 11:24:39 +0100 [thread overview]
Message-ID: <1322130279.2921.7.camel@twins> (raw)
In-Reply-To: <20111118230553.882444396@sbsiddha-desk.sc.intel.com>
On Fri, 2011-11-18 at 15:03 -0800, Suresh Siddha wrote:
> plain text document attachment (introduce_rq_nohz_flags.patch)
> Introduce nohz_flags in the struct rq, which will track two flags for now.
>
> NOHZ_TICK_STOPPED will convey the stop tick status that gets set when
> the tick is stopped and cleared during the first busy tick after the tick
> is restarted.
>
> NOHZ_BALANCE_KICK will track the need for nohz idle load balance
> on this rq.
The changelog is missing the crucial part: Why are we doing this? :-)
next prev parent reply other threads:[~2011-11-24 10:24 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-18 23:03 [patch 0/6] sched, nohz: load balancing patches Suresh Siddha
2011-11-18 23:03 ` [patch 1/6] sched, nohz: introduce nohz_flags in the struct rq Suresh Siddha
2011-11-24 10:24 ` Peter Zijlstra [this message]
2011-11-28 23:59 ` Suresh Siddha
2011-11-29 9:47 ` Peter Zijlstra
2011-11-18 23:03 ` [patch 2/6] sched, nohz: track nr_busy_cpus in the sched_group_power Suresh Siddha
2011-11-18 23:03 ` [patch 3/6] sched, nohz: sched group, domain aware nohz idle load balancing Suresh Siddha
2011-11-24 11:47 ` Peter Zijlstra
2011-11-28 23:51 ` Suresh Siddha
2011-11-29 9:44 ` Peter Zijlstra
2011-12-01 1:03 ` Suresh Siddha
2011-12-01 1:17 ` Suresh Siddha
2011-12-01 8:36 ` Peter Zijlstra
2011-11-24 11:53 ` Peter Zijlstra
2011-11-28 23:58 ` Suresh Siddha
2011-11-29 9:45 ` Peter Zijlstra
2011-11-18 23:03 ` [patch 4/6] sched, nohz: cleanup the find_new_ilb() using sched groups nr_busy_cpus Suresh Siddha
2011-11-18 23:03 ` [patch 5/6] sched: disable sched feature TTWU_QUEUE by default Suresh Siddha
2011-11-19 4:30 ` Mike Galbraith
2011-11-19 4:41 ` Mike Galbraith
2011-11-18 23:03 ` [patch 6/6] sched: fix the sched group node allocation for SD_OVERLAP domain Suresh Siddha
2011-12-06 9:51 ` [tip:sched/core] sched: Fix the sched group node allocation for SD_OVERLAP domains tip-bot for Suresh Siddha
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