From owner-freebsd-hackers  Thu Apr 22  7:26:29 1999
Delivered-To: freebsd-hackers@freebsd.org
Received: from GWSserver.solutions.ie (unknown [193.120.161.26])
	by hub.freebsd.org (Postfix) with SMTP id D4E8A15A74
	for <freebsd-hackers@freebsd.org>; Thu, 22 Apr 1999 07:26:25 -0700 (PDT)
	(envelope-from niall@pobox.com)
Received: by GWSserver.solutions.ie id AA18666; Thu, 22 Apr 1999 15:23:49 +0100
Message-Id: <371F30F5.2B56818F@pobox.com>
Date: Thu, 22 Apr 1999 15:23:49 +0100
From: Niall Smart <niall@pobox.com>
X-Mailer: Mozilla 4.5 [en] (X11; I; OSF1 V4.0 alpha)
X-Accept-Language: en
Mime-Version: 1.0
To: Zhihui Zhang <zzhang@cs.binghamton.edu>
Cc: freebsd-hackers@freebsd.org
Subject: Re: Matthew Dillon's patch to VMIO directories
References: <Pine.GSO.3.96.990421210321.3210B-100000@sol.cs.binghamton.edu>
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

> The first time I run find command, the time elapsed is 30 seconds,
> comparable to the kernel without patch.  The second time I run find
> command, the time elapsed is only 2 seconds.  And if I interprete the
> output of time correctly, the first time we did 2284 I/O read, 0 I/O
> write.  The second time we did 0 I/O read, 259 I/O write.

Would it be correct to attribute the writes due to paging
caused by the memory used to cache directory entries, or
is this more likely to be noise?

Regards,

Niall


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message