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Subject: Re: How to measure time accurately.
From: Lee Revell <rlrevell@joe-job.com>
To: krishna <krishna.c@globaledgesoft.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
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Date: Mon, 28 Mar 2005 22:37:53 -0500
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On Mon, 2005-03-28 at 08:58 +0530, krishna wrote:
> Hi All,
> 
> Can any one tell me how to measure time accurately for a block of C code 
> in device drivers.
> For example, If I want to measure the time duration of firmware download.

rdtsc()