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Re: FP exception statistics

To: ralf@oss.sgi.com
Subject: Re: FP exception statistics
From: Atsushi Nemoto <nemoto@toshiba-tops.co.jp>
Date: Wed, 21 Nov 2001 20:29:06 +0900 (JST)
Cc: linux-mips@oss.sgi.com
In-reply-to: <20011121192530.A13414@dea.linux-mips.net>
Organization: TOSHIBA Personal Computer System Corporation
References: <20011121.160347.48536367.nemoto@toshiba-tops.co.jp> <20011121192530.A13414@dea.linux-mips.net>
Sender: owner-linux-mips@oss.sgi.com
>>>>> On Wed, 21 Nov 2001 19:25:30 +1100, Ralf Baechle <ralf@oss.sgi.com> said:
ralf> It get's atomicity wrong.  I suggest to make such statistics a
ralf> per thread thing.  That'll not only solve the SMP issues but
ralf> also make sure processes running in parallel won't influence the
ralf> result.

Thank you for the comment.

Yes, my patch provides "CPU" statistics (not "thread" statistics).
Counting per thread might be useful in some case, but counting
globally (like "unaligned_instructions" or "ll_ops" counter) is enough
for me.

---
Atsushi Nemoto

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