From: Phillip Susi <psusi@cfl.rr.com>
To: Martin Peschke <mp3@de.ibm.com>
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: [Patch 0/5] I/O statistics through request queues
Date: Tue, 24 Oct 2006 16:44:15 -0400 [thread overview]
Message-ID: <453E7B1F.7020602@cfl.rr.com> (raw)
In-Reply-To: <453E39B0.2000800@de.ibm.com>
Martin Peschke wrote:
> Well, the instrumentation "on demand" aspect is half of the truth.
> A probe inserted through kprobes impacts performance more than static
> instrumentation.
True, but given that there are going to be a number of things you might
want to instrument at some point, and that at any given time you might
only be interested in a few of those, it likely will be better overall
to spend some more time only on the few than less time on the many.
next prev parent reply other threads:[~2006-10-24 20:44 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-21 12:57 [Patch 0/5] I/O statistics through request queues Martin Peschke
2006-10-23 11:37 ` Jens Axboe
2006-10-23 18:11 ` Martin Peschke
2006-10-23 20:02 ` Jens Axboe
2006-10-24 16:02 ` Martin Peschke
2006-10-24 16:20 ` Jens Axboe
2006-10-24 20:38 ` Phillip Susi
2006-10-24 22:27 ` Martin Peschke
2006-10-25 17:50 ` Frank Ch. Eigler
2006-10-26 11:07 ` Martin Peschke
2006-10-26 12:13 ` Frank Ch. Eigler
2006-10-26 13:37 ` Martin Peschke
2006-10-26 14:02 ` Frank Ch. Eigler
2006-10-26 15:36 ` Martin Peschke
2006-10-26 19:11 ` Frank Ch. Eigler
2006-10-24 23:04 ` Martin Peschke
2006-10-25 5:12 ` Jens Axboe
2006-10-25 10:32 ` Martin Peschke
2006-10-25 10:42 ` Jens Axboe
2006-11-02 14:39 ` martin
2006-11-02 14:46 ` Jens Axboe
2006-10-23 18:39 ` Phillip Susi
2006-10-24 16:05 ` Martin Peschke
2006-10-24 20:44 ` Phillip Susi [this message]
2006-10-24 22:49 ` Martin Peschke
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