From: Mike Galbraith <efault@gmx.de>
To: Andres Freund <andres@anarazel.de>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: Significant performance difference for postgres w/o sched_autogroup
Date: Thu, 09 Jul 2015 12:35:51 +0200 [thread overview]
Message-ID: <1436438151.3477.75.camel@gmx.de> (raw)
In-Reply-To: <20150709092827.GW10242@alap3.anarazel.de>
On Thu, 2015-07-09 at 11:28 +0200, Andres Freund wrote:
> That'd make some sense if there were other stuff going on - but here the
> same total budget in both cases leads to a 40% difference in throughput:
When I suspect that what I'm hearing is horse pookey, I instrument the
source and ask my silicon horse pookey detector :)
-Mike
prev parent reply other threads:[~2015-07-09 10:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-08 15:45 Significant performance difference for postgres w/o sched_autogroup Andres Freund
2015-07-09 2:45 ` Mike Galbraith
2015-07-09 9:28 ` Andres Freund
2015-07-09 10:35 ` Mike Galbraith [this message]
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