From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Steven Seeger <steven.seeger@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-core] geode gx1 latencies
Date: Tue, 31 Mar 2009 12:01:47 +0200 [thread overview]
Message-ID: <49D1EA0B.2020300@domain.hid> (raw)
In-Reply-To: <17B3FD74-07D0-4F36-9836-8E03943DF917@domain.hid>
Steven Seeger wrote:
> Per Gilles's suggestion, Mark at Stellartech ran latency and klatency
> with the TSC enabled "the hack" and without the TSC enabled. He also
> posted the CPU task measurements with our app running without the
> hack, which is horrible compared to when the TSC is on.
>
> It looks like we are better off with the TSC. The worst case is much
> better, anyway.
I do not understand these results. In the "nohack" case, is
CONFIG_X86_TSC enabled ? In this case, you should not observe any
difference.
--
Gilles.
next prev parent reply other threads:[~2009-03-31 10:01 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-28 3:27 [Xenomai-core] geode gx1 latencies Steven Seeger
2009-03-31 10:01 ` Gilles Chanteperdrix [this message]
2009-04-08 22:29 ` Mark Saiia
2009-04-09 9:26 ` Gilles Chanteperdrix
2009-04-09 23:23 ` Mark Saiia
2009-04-09 23:27 ` Gilles Chanteperdrix
2009-04-09 23:30 ` Gilles Chanteperdrix
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