From: Steven Rostedt <rostedt@goodmis.org>
To: Grant Edwards <grant.b.edwards@gmail.com>
Cc: linux-rt-users@vger.kernel.org
Subject: Re: Using patch-2.6.33.7.2-rt30 increases latency and CPU usage?
Date: Tue, 15 May 2012 19:06:41 -0400 [thread overview]
Message-ID: <1337123201.6816.2.camel@gandalf.stny.rr.com> (raw)
In-Reply-To: <20120515225841.GA25360@grante>
On Tue, 2012-05-15 at 17:58 -0500, Grant Edwards wrote:
> Thanks for the tip. I'll keep that in mind for some other projects
> that would need latency times in the 100-200us range, which should be
> doable.
If it isn't doable, definitely report it. For modern intel hardware, we
are expecting all response times under 100us. Otherwise we consider it a
bug. Except for the cases where the hardware itself is the cause (SMIs
and other nasties).
-- Steve
prev parent reply other threads:[~2012-05-15 23:06 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-09 21:18 Using patch-2.6.33.7.2-rt30 increases latency and CPU usage? Grant Edwards
2012-05-09 22:00 ` Grant Edwards
2012-05-09 22:13 ` Joachim Achtzehnter
2012-05-09 23:18 ` Grant Edwards
2012-05-10 9:46 ` Remy Bohmer
2012-05-10 13:53 ` Grant Edwards
2012-05-11 13:42 ` Remy Bohmer
2012-05-11 13:56 ` Grant Edwards
2012-05-11 18:46 ` Tim Sander
2012-05-15 17:33 ` Steven Rostedt
2012-05-15 22:58 ` Grant Edwards
2012-05-15 23:06 ` Steven Rostedt [this message]
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