From: Peter Zijlstra <peterz@infradead.org>
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 16:33:34 +0100 [thread overview]
Message-ID: <1194968014.8255.23.camel@twins> (raw)
In-Reply-To: <1194915156.913.4.camel@lc4eb748232119.ibm.com>
On Mon, 2007-11-12 at 16:52 -0800, David J. Wilder wrote:
> 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.
It would be much better to help in eradicating every last semaphore user
and then these statistics will be provided by lockstat.
prev parent reply other threads:[~2007-11-13 15:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-13 0:52 [RFC] Add markers into semaphore primitives David J. Wilder
2007-11-13 15:17 ` Frank Ch. Eigler
2007-11-13 15:25 ` Mathieu Desnoyers
2007-11-13 15:33 ` Peter Zijlstra [this message]
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