linux-kernel - Fwd: how to determine kernel interrupt latency

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Message-ID: <CANudz+uvCxfzfb-OXyNm7JAwzYg1McQAu8RA1syQxQ6_POiLZg@mail.gmail.com>
Date:	Sun, 12 Jan 2014 09:36:19 +0800
From:	loody <miloody@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Subject: Fwd: how to determine kernel interrupt latency

hi all:
is it possible to determine interrupt latency in kernel with any ftrace or proc?

Appreciate your help in advance.
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