From: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: mingo@kernel.org, pjt@google.com, suresh.b.siddha@intel.com,
efault@gmx.de, linux-kernel@vger.kernel.org
Subject: Re: [RFC][PATCH 1/5] sched, fair: Let minimally loaded cpu balance the group
Date: Wed, 2 May 2012 16:04:53 +0530 [thread overview]
Message-ID: <20120502103453.GB22740@linux.vnet.ibm.com> (raw)
In-Reply-To: <1335954690.13683.178.camel@twins>
* Peter Zijlstra <a.p.zijlstra@chello.nl> [2012-05-02 12:31:30]:
> > IOW :
> >
> > balance_load = 0 iff idle_cpu(i) ??
>
> I think so, even for !0 load_idx, load will only reach zero when we're
> idle, just takes longer.
Right ...so should we force it to select a idle_cpu by having
balance_load = 0 for a idle cpu (ignoring what target_load(i, load_idx)
told us as its load?
- vatsa
next prev parent reply other threads:[~2012-05-02 10:35 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-01 18:14 [RFC][PATCH 0/5] various sched and numa bits Peter Zijlstra
2012-05-01 18:14 ` [RFC][PATCH 1/5] sched, fair: Let minimally loaded cpu balance the group Peter Zijlstra
2012-05-02 10:25 ` Srivatsa Vaddagiri
2012-05-02 10:31 ` Peter Zijlstra
2012-05-02 10:34 ` Srivatsa Vaddagiri [this message]
2012-05-04 0:05 ` Suresh Siddha
2012-05-04 16:09 ` Peter Zijlstra
2012-05-01 18:14 ` [RFC][PATCH 2/5] sched, fair: Add some serialization to the sched_domain load-balance walk Peter Zijlstra
2012-05-01 18:14 ` [RFC][PATCH 3/5] x86: Allow specifying node_distance() for numa=fake Peter Zijlstra
2012-05-01 18:14 ` [RFC][PATCH 4/5] x86: Hard partition cpu topology masks on node boundaries Peter Zijlstra
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