From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andi Kleen <andi@firstfloor.org>
Subject: Re: measure uncore events
Date: Thu, 03 Oct 2013 22:02:58 -0700
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	(Yuanfang Chen's message of "Tue, 1 Oct 2013 13:34:49 -0400")
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To: Yuanfang Chen <cyfmxc@gmail.com>
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Yuanfang Chen <cyfmxc@gmail.com> writes:

> I'm trying to measure uncore events. After reading [1], I tried "perf
> stat -a -e "uncore_imc_0/event=0xff,umask=0x00/" /bin/ls", it says
> "invalid or unsupported event".
>
> The machine is Intel Ivy Bridge i5-3320M with ArchLinux 3.11.2-1-ARCH.
> 'perf --version'  is 'perf version 3.11.0'
> In '/sys/bus/event_source/devices/uncore_cbox_0/events', there is only
> one event 'clockticks'.

Uncore monitoring is only supported for IvyBridge Xeon E5+ / Core i7
49xx systems, not for your CPU.

-Andi

-- 
ak@linux.intel.com -- Speaking for myself only