From: Daniel Phillips <phillips@google.com>
To: Daniel Phillips <phillips@google.com>
Cc: Mark Fasheh <mark.fasheh@oracle.com>,
Andrew Morton <akpm@osdl.org>, Andi Kleen <ak@suse.de>,
ocfs2-devel@oss.oracle.com, linux-kernel@vger.kernel.org
Subject: [Ocfs2-devel] Ocfs2 performance
Date: Fri, 10 Mar 2006 13:13:03 -0800 [thread overview]
Message-ID: <4411EBDF.30104@google.com> (raw)
In-Reply-To: <44116057.5060705@google.com>
Going back to that mysterious idle time fluctuation problem, I just noticed
something interesting here:
> With hashvec, (64K buckets)
>
> real user sys
> 29.62 23.87 3.02
> 28.80 24.16 3.07
> 50.95 24.11 3.04
> 28.17 23.95 3.20
> 61.21 23.89 3.16
> 28.61 23.88 3.30
>
> With vmalloc (64K buckets)
>
> real user sys
> 29.67 23.98 2.88
> 28.35 23.96 3.13
> 52.29 24.16 2.89
> 28.39 24.07 2.97
> 65.13 24.08 3.01
> 28.08 24.02 3.16
Look, the real time artifacts show up in the same places in the two
different runs. There was a reboot before each run. There is a sync
before and after each trial. Each trial was initiated by hand, so this
isn't about something else going on in the machine at the same time.
Got to be a clue in there somewhere.
Regards,
Daniel
WARNING: multiple messages have this Message-ID (diff)
From: Daniel Phillips <phillips@google.com>
To: Daniel Phillips <phillips@google.com>
Cc: Mark Fasheh <mark.fasheh@oracle.com>,
Andrew Morton <akpm@osdl.org>, Andi Kleen <ak@suse.de>,
ocfs2-devel@oss.oracle.com, linux-kernel@vger.kernel.org
Subject: Re: [Ocfs2-devel] Ocfs2 performance
Date: Fri, 10 Mar 2006 13:13:03 -0800 [thread overview]
Message-ID: <4411EBDF.30104@google.com> (raw)
In-Reply-To: <44116057.5060705@google.com>
Going back to that mysterious idle time fluctuation problem, I just noticed
something interesting here:
> With hashvec, (64K buckets)
>
> real user sys
> 29.62 23.87 3.02
> 28.80 24.16 3.07
> 50.95 24.11 3.04
> 28.17 23.95 3.20
> 61.21 23.89 3.16
> 28.61 23.88 3.30
>
> With vmalloc (64K buckets)
>
> real user sys
> 29.67 23.98 2.88
> 28.35 23.96 3.13
> 52.29 24.16 2.89
> 28.39 24.07 2.97
> 65.13 24.08 3.01
> 28.08 24.02 3.16
Look, the real time artifacts show up in the same places in the two
different runs. There was a reboot before each run. There is a sync
before and after each trial. Each trial was initiated by hand, so this
isn't about something else going on in the machine at the same time.
Got to be a clue in there somewhere.
Regards,
Daniel
next prev parent reply other threads:[~2006-03-10 21:13 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-03 22:27 [Ocfs2-devel] Ocfs2 performance bugs of doom Daniel Phillips
2006-03-03 22:27 ` Daniel Phillips
2006-03-04 0:53 ` [Ocfs2-devel] " Mark Fasheh
2006-03-04 0:53 ` Mark Fasheh
2006-03-04 3:42 ` [Ocfs2-devel] " Daniel Phillips
2006-03-04 3:42 ` Daniel Phillips
2006-03-04 7:36 ` Andrew Morton
2006-03-04 7:37 ` [Ocfs2-devel] " Andrew Morton
2006-03-05 19:22 ` Mark Fasheh
2006-03-05 19:22 ` Mark Fasheh
2006-03-06 1:28 ` [Ocfs2-devel] " Daniel Phillips
2006-03-06 1:28 ` Daniel Phillips
2006-03-06 2:58 ` [Ocfs2-devel] " Mark Fasheh
2006-03-06 2:58 ` Mark Fasheh
2006-03-06 4:59 ` Daniel Phillips
2006-03-06 4:59 ` Daniel Phillips
2006-03-06 19:51 ` Mark Fasheh
2006-03-06 19:51 ` Mark Fasheh
2006-03-07 3:34 ` Andi Kleen
2006-03-07 3:34 ` Andi Kleen
2006-03-07 4:58 ` [Ocfs2-devel] " Mark Fasheh
2006-03-07 4:58 ` Mark Fasheh
2006-03-07 6:56 ` [Ocfs2-devel] " Daniel Phillips
2006-03-07 6:56 ` Daniel Phillips
2006-03-09 6:26 ` Daniel Phillips
2006-03-09 6:26 ` Daniel Phillips
2006-03-09 7:26 ` Nick Piggin
2006-03-09 7:26 ` Nick Piggin
2006-03-09 7:43 ` Nick Piggin
2006-03-09 7:43 ` Nick Piggin
2006-03-09 4:19 ` Andi Kleen
2006-03-09 4:19 ` Andi Kleen
2006-03-09 12:30 ` Nick Piggin
2006-03-09 12:30 ` Nick Piggin
2006-03-10 5:14 ` Nick Piggin
2006-03-10 5:14 ` Nick Piggin
2006-03-10 0:21 ` [Ocfs2-devel] Ocfs2 performance Mark Fasheh
2006-03-10 0:21 ` Mark Fasheh
2006-03-10 1:14 ` Bernd Eckenfels
2006-03-10 7:10 ` Joel Becker
2006-03-10 7:10 ` Joel Becker
2006-03-11 1:09 ` Mark Fasheh
2006-03-11 1:09 ` Mark Fasheh
2006-03-11 1:57 ` Bernd Eckenfels
2006-03-11 1:57 ` Bernd Eckenfels
2006-03-10 11:17 ` Daniel Phillips
2006-03-10 11:17 ` Daniel Phillips
2006-03-10 18:23 ` Zach Brown
2006-03-10 18:23 ` Zach Brown
2006-03-10 21:13 ` Daniel Phillips
2006-03-10 21:13 ` Daniel Phillips
2006-03-10 21:13 ` Daniel Phillips [this message]
2006-03-10 21:13 ` Daniel Phillips
2006-03-10 2:33 ` [Ocfs2-devel] Ocfs2 performance bugs of doom J. Bruce Fields
2006-03-10 2:33 ` J. Bruce Fields
2006-03-10 10:27 ` Daniel Phillips
2006-03-10 10:27 ` Daniel Phillips
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