From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Ahern <dsahern@gmail.com>
Subject: Re: Weird instruction profiling
Date: Wed, 18 Feb 2015 16:33:31 -0700
Message-ID: <54E5214B.5060408@gmail.com>
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To: Andi Kleen <andi@firstfloor.org>, Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: "linux-perf-use." <linux-perf-users@vger.kernel.org>

On 2/18/15 11:30 AM, Andi Kleen wrote:

>> I think Andi mentioned this to me last year -- that instruction
>> profiling was no longer reliable.
>
> It never was.

Why is that? What about profiling with other hardware counters?

David