From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Ahern <dsahern@gmail.com>
Subject: Re: Information regarding the perf tool
Date: Thu, 31 Oct 2013 10:39:03 -0600
Message-ID: <527287A7.3050908@gmail.com>
References: <5266A57F.2000201@bsc.es> <87y55krw6f.fsf@tassilo.jf.intel.com> <52727B0C.5040402@bsc.es>
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To: Harald Servat <harald.servat@bsc.es>, Andi Kleen <andi@firstfloor.org>
Cc: linux-perf-users@vger.kernel.org

On 10/31/13, 9:45 AM, Harald Servat wrote:
> Can anyone point me where and how is the timestamp calculated for every
> sample reported by perf?


See perf_clock() in kernel/events/core.c

David