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Date: Wed, 30 May 2012 12:42:35 +0200 From: Peter Zijlstra <a.p.zijlstra@...llo.nl> To: Glauber Costa <glommer@...allels.com> Cc: linux-kernel@...r.kernel.org, cgroups@...r.kernel.org, devel@...nvz.org, Paul Turner <pjt@...gle.com>, Tejun Heo <tj@...nel.org>, "Eric W. Biederman" <ebiederm@...ssion.com>, handai.szj@...il.com, Andrew.Phillips@...x.com, Serge Hallyn <serge.hallyn@...onical.com> Subject: Re: [PATCH v3 1/6] measure exec_clock for rt sched entities On Wed, 2012-05-30 at 14:32 +0400, Glauber Costa wrote: > >> + for_each_sched_rt_entity(rt_se) { > >> + rt_rq = rt_rq_of_se(rt_se); > >> + schedstat_add(rt_rq, exec_clock, delta_exec); > >> + } > >> + > >> if (!rt_bandwidth_enabled()) > >> return; > > > > See, this just makes me sad.. you now have a double > > for_each_sched_rt_entity() loop. > > The way I read the rt.c code, it it is called from enqueue_task_rt only > once. Ah, what I meant was, right after that !rt_bandwidth_enabled() muck we do another for_each_sched_rt_entity() walk. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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