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Message-ID: <18235.37249.823703.12168@cargo.ozlabs.ibm.com>
Date: Thu, 15 Nov 2007 11:23:29 +1100
From: Paul Mackerras <paulus@samba.org>
To: Andi Kleen <andi@firstfloor.org>
Cc: Stephane Eranian <eranian@hpl.hp.com>,
       Christoph Hellwig <hch@infradead.org>,
       Andrew Morton <akpm@linux-foundation.org>, Greg KH <gregkh@suse.de>,
       Philip Mucci <mucci@cs.utk.edu>, William Cohen <wcohen@redhat.com>,
       Robert Richter <robert.richter@amd.com>, linux-kernel@vger.kernel.org,
       Perfmon <perfmon@napali.hpl.hp.com>,
       perfmon2-devel@lists.sourceforge.net,
       OSPAT devel <ospat-devel@cs.utk.edu>,
       papi list <ptools-perfapi@cs.utk.edu>
Subject: Re: [perfmon] Re: [perfmon2] perfmon2 merge news
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Andi Kleen writes:

> > This only works when counting (not sampling) and only for self-monitoring.
> 
> It works for global monitoring too.

How would you provide access to the counters of another process?
Through an extension to ptrace perhaps?

Paul.
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