linux-kernel - Re: Significant performance difference for postgres w/o sched

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <1436438151.3477.75.camel@gmx.de>
Date:	Thu, 09 Jul 2015 12:35:51 +0200
From:	Mike Galbraith <efault@....de>
To:	Andres Freund <andres@...razel.de>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: Significant performance difference for postgres w/o
 sched_autogroup

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

--
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/