From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Hesse, Christian" <mail@earthworm.de>
Subject: Re: Collect data?
Date: Wed, 23 Nov 2005 12:53:30 +0100
Message-ID: <200511231253.37328.mail@earthworm.de>
References: <200511171447.41362.mail@earthworm.de> <20051123104847.GA22178@favonius> <438450EA.5050409@namesys.com>
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To: "Vladimir V. Saveliev" <vs@namesys.com>
Cc: sander@humilis.net, reiserfs-list@namesys.com, "E.Gryaznova" <grev@namesys.com>

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On Wednesday 23 November 2005 12:22, Vladimir V. Saveliev wrote:
> Hello
>
> Sander wrote:
> > Hesse, Christian wrote (ao):
> >>On Wednesday 23 November 2005 08:09, Sander wrote:
> >>>My 'good' system:
> >>>kernel:		2.6.15-rc1-mm2
> >>>OS:		Debian Sid
> >>>disks:		4x sata on Promise
> >>>raid/lvm/etc:	lmv stripe
> >>>
> >>>My 'bad' system:
> >>>kernel:		2.6.15-rc1-mm1
> >>>OS:		Debian Sid
> >>>disks:		ata on nForce2
> >>>raid/lvm/etc:	none, single disk
> >>
> >>My 'bad' system:
> >>kernel:		everything from 2.6.14-rc3* to 2.6.15-rc1*
> >>Compiler:		GCC 3.4.4-r1 (including Gentoo patches)
> >>OS:			Gentoo ~x86
> >>disk:			ATA on Intel ICH4-M (Centrino Notebook)
> >>raid/lvm/etc:	none, single disk
> >
> > Your Compiler suggestion is a good one.
> >
> > I added your data at http://humilis.net/reiser4slowdown assuming you
> > don't mind (please let me know if you do mind).
> >
> > Reiser-dev team, do you need other info beside what is listed there?
>
> It could be useful if there were a description of a test which was used to
> measure slowdown, result of that test on both "good" and "bad" kernels.
> Information about good kernel is also needed.

=46or Sander's list:

http://www.earthworm.de/tmp/reiser4-fsync.c
strace -T -e sync,fsync reiser4-fsync

Good kernels is everything 2.6.13* and before.
=2D-=20
Christian

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