From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: lock contention measuring code?
Date: Tue, 07 Apr 2009 17:25:47 -0700
Message-ID: <49DBEF0B.1010407@goop.org>
References: <d06cd723-8b7e-418b-85f7-f38c0d17a53a@default>
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To: Dan Magenheimer <dan.magenheimer@oracle.com>
Cc: "Xen-Devel (E-mail)" <xen-devel@lists.xensource.com>, Keir Fraser <keir.fraser@eu.citrix.com>
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Dan Magenheimer wrote:
>> I don't remember such a patch.
>>     
>
> Hmmm... maybe it was a patch in xenlinux?
>   

Aside from all the normal tools in mainline (which are extensive), the 
Xen PV spinlock code is also well instrumented.

    J