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From: fche@redhat.com (Frank Ch. Eigler)
To: "David J. Wilder" <dwilder@us.ibm.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [RFC] Add markers into semaphore primitives
Date: Tue, 13 Nov 2007 10:17:30 -0500	[thread overview]
Message-ID: <y0m4pfq5g51.fsf@ton.toronto.redhat.com> (raw)
In-Reply-To: <1194915156.913.4.camel@lc4eb748232119.ibm.com> (David J. Wilder's message of "Mon, 12 Nov 2007 16:52:36 -0800")


"David J. Wilder" <dwilder@us.ibm.com> writes:

> This patch adds several markers around semaphore primitives.  Along
> with a tracing application this patch can be useful for measuring
> kernel semaphore usage and contention.  [...]

In order to evaluate the permanent placement of markers, more
information will be needed, such as effects upon performance
and code size.

- FChE

  reply	other threads:[~2007-11-13 15:19 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-13  0:52 David J. Wilder
2007-11-13 15:17 ` Frank Ch. Eigler [this message]
2007-11-13 15:25 ` Mathieu Desnoyers
2007-11-13 15:33 ` Peter Zijlstra

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