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Message-ID: <3889bf3ab66bbb35ea239b63d95cc4c4.squirrel@www.firstfloor.org>
Date: Sun, 21 Nov 2010 17:52:14 +0100
From: "Andi Kleen" <andi@...stfloor.org>
To: "Stephane Eranian" <eranian@...gle.com>
Cc: "Andi Kleen" <andi@...stfloor.org>,
"Lin Ming" <ming.m.lin@...el.com>,
"Peter Zijlstra" <a.p.zijlstra@...llo.nl>,
"Ingo Molnar" <mingo@...e.hu>,
"lkml" <linux-kernel@...r.kernel.org>,
"Frederic Weisbecker" <fweisbec@...il.com>,
"Arjan van de Ven" <arjan@...radead.org>
Subject: Re: [RFC PATCH 3/3 v2] perf: Update perf tool to monitor uncore
events
>>
>> In fact I suspect uncore events are only really useful
>> with "stat", but not with "top", or if they are used in top
>> then the symbol reporting should be disabled.
>>
> I agree, uncore should only be used for counting on a
> per-cpu basis. You can leave the perf tool as is, but
I think you mean per socket base, right? per cpu (= cpu core thread)
doesn't make sense for the uncore either.
Per socket would need a new command line mode. The new mode should
never report any symbols or processes, just events per socket.
-Andi
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