From: Ralf Baechle <ralf@oss.sgi.com>
To: Atsushi Nemoto <nemoto@toshiba-tops.co.jp>
Cc: linux-mips@oss.sgi.com
Subject: Re: FP exception statistics
Date: Wed, 21 Nov 2001 19:25:30 +1100 [thread overview]
Message-ID: <20011121192530.A13414@dea.linux-mips.net> (raw)
In-Reply-To: <20011121.160347.48536367.nemoto@toshiba-tops.co.jp>; from nemoto@toshiba-tops.co.jp on Wed, Nov 21, 2001 at 04:03:47PM +0900
On Wed, Nov 21, 2001 at 04:03:47PM +0900, Atsushi Nemoto wrote:
> Sometimes I want to know what kind of (and how many times) FP
> exceptions occurred in run time. Here is a patch to provide us these
> informations via /proc/cpuinfo.
>
> Any comments are welcome. (This patch is not tested on SMP)
It get's atomicity wrong. I suggest to make such statistics a per thread
thing. That'll not only solve the SMP issues but also make sure processes
running in parallel won't influence the result.
Ralf
next prev parent reply other threads:[~2001-11-21 9:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-21 7:03 FP exception statistics Atsushi Nemoto
2001-11-21 8:25 ` Ralf Baechle [this message]
2001-11-21 11:29 ` Atsushi Nemoto
2001-11-21 13:00 ` Ralf Baechle
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