Date: Tue, 26 Aug 2003 18:18:07 -0700
From: Andrew Morton <akpm@osdl.org>
To: Peter Chubb <peterc@gelato.unsw.edu.au>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] 2.6.0-test4 -- add context switch counters
Message-Id: <20030826181807.1edb8c48.akpm@osdl.org>
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Peter Chubb <peterc@gelato.unsw.edu.au> wrote:
>
> Currently, the context switch counters reported by getrusage() are
>  always zero.  The appended patch adds fields to struct task_struct to
>  count context switches, and adds code to do the counting.
>
>  The patch adds 4 longs to struct task struct, and a single addition to
>  the fast path in schedule().

OK...  Why is this useful?  A bit of googling doesn't show much interest in
it.

What apps should be reporting this info?  /usr/bin/time?


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