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Re: 2.6.24-rc3-mm1 (sync is slow ?)
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From:
KAMEZAWA Hiroyuki <kamezawa.hiroyu@...>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...>
Cc: Andrew Morton <akpm@...>, <linux-kernel@...>
Subject:
Re: 2.6.24-rc3-mm1 (sync is slow ?)
Date: Wednesday, November 21, 2007 - 4:49 am
On Wed, 21 Nov 2007 17:42:15 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:
quoted text
> Hi, Andrew > > I got following result in 'sync' command. > It was too slow. (memory controller config is off ;) > I attaches my .config. > == > [2.6.24-rc3-mm1] > [kamezawa@dr-test2 ~]$ dd if=/dev/zero of=./tmpfile bs=4096 count=100000 > 100000+0 records in > 100000+0 records out > 409600000 bytes (410 MB) copied, 1.46706 seconds, 279 MB/s > [kamezawa@dr-test2 ~]$ time sync > > real 3m6.440s > user 0m0.000s > sys 0m0.133s >
Ah, one of cpu shows 100% iowait in 'top' command while this. -Kame -
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Messages in current thread:
2.6.24-rc3-mm1
, Andrew Morton
, (Wed Nov 21, 12:45 am)
Re: 2.6.24-rc3-mm1 - brick my Dell Latitude D820
,
, (Tue Nov 27, 3:16 am)
Re: 2.6.24-rc3-mm1 - brick my Dell Latitude D820
, Dave Young
, (Tue Nov 27, 4:25 am)
Re: 2.6.24-rc3-mm1 - brick my Dell Latitude D820
,
, (Tue Nov 27, 4:46 am)
Re: 2.6.24-rc3-mm1 - brick my Dell Latitude D820
, Andrew Morton
, (Tue Nov 27, 3:27 am)
Re: 2.6.24-rc3-mm1 - brick my Dell Latitude D820
, Ingo Molnar
, (Tue Nov 27, 6:25 am)
Re: 2.6.24-rc3-mm1 - brick my Dell Latitude D820
,
, (Tue Nov 27, 3:54 am)
Re: 2.6.24-rc3-mm1 - brick my Dell Latitude D820
, Andrew Morton
, (Tue Nov 27, 4:17 am)
Re: 2.6.24-rc3-mm1
, Randy Dunlap
, (Mon Nov 26, 3:13 pm)
Re: 2.6.24-rc3-mm1
, Christoph Lameter
, (Mon Nov 26, 3:34 pm)
[PATCH -mm] x86 allnoconfig memory model
, Randy Dunlap
, (Mon Nov 26, 4:47 pm)
Re: [PATCH -mm] x86 allnoconfig memory model
, Christoph Lameter
, (Mon Nov 26, 5:00 pm)
Re: [PATCH -mm] x86 allnoconfig memory model
, Andrew Morton
, (Mon Nov 26, 5:20 pm)
Re: [PATCH -mm] x86 allnoconfig memory model
, Christoph Lameter
, (Mon Nov 26, 5:52 pm)
Re: [PATCH -mm] x86 allnoconfig memory model
, Andrew Morton
, (Mon Nov 26, 5:57 pm)
Re: [PATCH -mm] x86 allnoconfig memory model
, Christoph Lameter
, (Mon Nov 26, 7:19 pm)
Re: [PATCH -mm] x86 allnoconfig memory model
, Randy Dunlap
, (Mon Nov 26, 5:17 pm)
Re: 2.6.24-rc3-mm1
, Randy Dunlap
, (Mon Nov 26, 4:40 pm)
Re: 2.6.24-rc3-mm1
, Christoph Lameter
, (Mon Nov 26, 4:56 pm)
Re: 2.6.24-rc3-mm1
, Gabriel C
, (Thu Nov 22, 9:39 pm)
Re: 2.6.24-rc3-mm1
, Andrew Morton
, (Fri Nov 23, 12:12 am)
Re: 2.6.24-rc3-mm1
, Gabriel C
, (Fri Nov 23, 1:55 am)
Re: 2.6.24-rc3-mm1
, Andrew Morton
, (Tue Nov 27, 2:15 am)
Re: 2.6.24-rc3-mm1
, James Bottomley
, (Tue Dec 11, 12:33 pm)
Re: 2.6.24-rc3-mm1
, Hannes Reinecke
, (Fri Dec 14, 5:00 am)
Re: 2.6.24-rc3-mm1
, James Bottomley
, (Fri Dec 14, 10:26 am)
Multipath failover handling (Was: Re: 2.6.24-rc3-mm1)
, Hannes Reinecke
, (Mon Jan 7, 10:05 am)
Re: Multipath failover handling (Was: Re: 2.6.24-rc3-mm1)
, James Bottomley
, (Mon Jan 7, 1:57 pm)
Re: Multipath failover handling (Was: Re: 2.6.24-rc3-mm1)
, Mike Christie
, (Mon Jan 7, 2:24 pm)
Re: 2.6.24-rc3-mm1
, Boaz Harrosh
, (Wed Dec 12, 6:08 am)
Re: 2.6.24-rc3-mm1
, Jens Axboe
, (Wed Dec 12, 7:36 am)
[PATCH] REQ-flags to/from BIO-flags bugfix
, Boaz Harrosh
, (Wed Dec 12, 7:03 am)
Re: [PATCH] REQ-flags to/from BIO-flags bugfix
, Matthew Wilcox
, (Wed Dec 12, 11:18 am)
Re: [PATCH] REQ-flags to/from BIO-flags bugfix
, Boaz Harrosh
, (Wed Dec 12, 12:06 pm)
Re: [PATCH] REQ-flags to/from BIO-flags bugfix
, Matthew Wilcox
, (Wed Dec 12, 12:33 pm)
Re: [PATCH] REQ-flags to/from BIO-flags bugfix
, Matthew Wilcox
, (Wed Dec 12, 11:54 am)
Re: [PATCH] REQ-flags to/from BIO-flags bugfix
, David Chinner
, (Thu Dec 13, 1:36 am)
Re: 2.6.24-rc3-mm1
, Kirill A. Shutemov
, (Thu Nov 22, 6:22 am)
Re: 2.6.24-rc3-mm1
, Andrew Morton
, (Thu Nov 22, 8:18 pm)
Re: 2.6.24-rc3-mm1
, Thomas Gleixner
, (Thu Nov 22, 8:48 pm)
Re: 2.6.24-rc3-mm1
, Kirill A. Shutemov
, (Fri Nov 23, 2:05 am)
Re: 2.6.24-rc3-mm1
, Andreas Herrmann
, (Fri Nov 23, 4:59 am)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, Laurent Riffard
, (Wed Nov 21, 5:45 pm)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, Andrew Morton
, (Wed Nov 21, 6:41 pm)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, Laurent Riffard
, (Fri Nov 23, 3:29 am)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, Hannes Reinecke
, (Fri Nov 23, 3:51 am)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, Hannes Reinecke
, (Fri Nov 23, 7:38 am)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, James Bottomley
, (Sat Nov 24, 1:44 pm)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, Hannes Reinecke
, (Mon Nov 26, 3:54 am)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, Laurent Riffard
, (Fri Nov 23, 1:52 pm)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, James Bottomley
, (Sat Nov 24, 2:42 am)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, Laurent Riffard
, (Sat Nov 24, 8:57 am)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, James Bottomley
, (Sat Nov 24, 9:26 am)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, Laurent Riffard
, (Sat Nov 24, 6:59 pm)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, James Bottomley
, (Sun Nov 25, 3:37 am)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, Laurent Riffard
, (Sun Nov 25, 4:39 pm)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, Laurent Riffard
, (Wed Nov 28, 5:38 pm)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, Gabriel C
, (Sat Nov 24, 1:54 pm)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, James Bottomley
, (Sat Nov 24, 2:04 pm)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, Gabriel C
, (Sat Nov 24, 2:08 pm)
Re: 2.6.24-rc3-mm1: I/O error, system hangs
, Gabriel C
, (Sat Nov 24, 2:28 pm)
Re: 2.6.24-rc3-mm1: usb mouse doesn't work
, Kirill A. Shutemov
, (Wed Nov 21, 2:23 pm)
Re: 2.6.24-rc3-mm1: usb mouse doesn't work
, Andrew Morton
, (Wed Nov 21, 6:22 pm)
Re: 2.6.24-rc3-mm1: usb mouse doesn't work
, Kirill A. Shutemov
, (Thu Nov 22, 6:17 am)
Re: [linux-usb-devel] 2.6.24-rc3-mm1: usb mouse doesn't work
, Alan Stern
, (Thu Nov 22, 1:07 pm)
Re: [linux-usb-devel] 2.6.24-rc3-mm1: usb mouse doesn't work
, Marin Mitov
, (Thu Nov 22, 1:41 pm)
Re: [linux-usb-devel] 2.6.24-rc3-mm1: usb mouse doesn't work
, Alan Stern
, (Thu Nov 22, 10:51 pm)
Re: [linux-usb-devel] 2.6.24-rc3-mm1: usb mouse doesn't work
, Kirill A. Shutemov
, (Fri Nov 23, 1:19 am)
Re: [linux-usb-devel] 2.6.24-rc3-mm1: usb mouse doesn't work
, Alan Stern
, (Mon Dec 31, 5:06 pm)
Re: [linux-usb-devel] 2.6.24-rc3-mm1: usb mouse doesn't work
, Alan Stern
, (Fri Nov 23, 12:21 pm)
Re: 2.6.24-rc3-mm1- powerpc link failure
, Kamalesh Babulal
, (Wed Nov 21, 4:06 am)
Re: 2.6.24-rc3-mm1- powerpc link failure
, Stephen Rothwell
, (Wed Nov 21, 6:52 pm)
Re: 2.6.24-rc3-mm1 (sync is slow ?)
, KAMEZAWA Hiroyuki
, (Wed Nov 21, 4:42 am)
Re: 2.6.24-rc3-mm1 (sync is slow ?)
, Andrew Morton
, (Wed Nov 21, 4:49 am)
Re: 2.6.24-rc3-mm1 (sync is slow ?)
, kosaki
, (Sat Nov 24, 8:04 am)
Re: 2.6.24-rc3-mm1 (sync is slow ?)
, Gabriel C
, (Sat Nov 24, 2:04 pm)
Re: 2.6.24-rc3-mm1 (sync is slow ?)
, KAMEZAWA Hiroyuki
, (Mon Nov 26, 3:06 am)
Re: 2.6.24-rc3-mm1 (sync is slow ?)
, KAMEZAWA Hiroyuki
, (Wed Nov 21, 11:06 pm)
Re: 2.6.24-rc3-mm1 (sync is slow ?)
, KAMEZAWA Hiroyuki
, (Wed Nov 21, 4:49 am)
Re: 2.6.24-rc3-mm1 make headers_check fails
, Kamalesh Babulal
, (Wed Nov 21, 4:24 am)
Re: 2.6.24-rc3-mm1 make headers_check fails
, Andrew Morton
, (Tue Nov 20, 8:32 pm)
Re: 2.6.24-rc3-mm1 make headers_check fails
, Kamalesh Babulal
, (Wed Nov 21, 4:41 am)
Re: 2.6.24-rc3-mm1 make headers_check fails
, Avi Kivity
, (Wed Nov 21, 4:44 am)
Re: 2.6.24-rc3-mm1 make headers_check fails
, Sam Ravnborg
, (Wed Nov 21, 5:58 am)
Re: 2.6.24-rc3-mm1 make headers_check fails
, Adrian Bunk
, (Sat Nov 24, 10:34 am)
Re: 2.6.24-rc3-mm1 make headers_check fails
, Avi Kivity
, (Wed Nov 21, 6:00 am)
Re: 2.6.24-rc3-mm1 make headers_check fails
, Avi Kivity
, (Wed Nov 21, 6:17 am)
Re: 2.6.24-rc3-mm1 make headers_check fails
, Andrew Morton
, (Wed Nov 28, 1:02 am)
Re: 2.6.24-rc3-mm1 make headers_check fails
, Avi Kivity
, (Sun Dec 2, 4:56 am)
Re: 2.6.24-rc3-mm1 make headers_check fails
, Robert P. J. Day
, (Wed Nov 21, 6:31 am)
Re: 2.6.24-rc3-mm1 make headers_check fails
, Robert P. J. Day
, (Wed Nov 21, 4:52 am)
Re: 2.6.24-rc3-mm1 make headers_check fails
, Andrew Morton
, (Wed Nov 21, 5:04 am)
Re: 2.6.24-rc3-mm1 make headers_check fails
, Robert P. J. Day
, (Wed Nov 21, 5:06 am)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Kamalesh Babulal
, (Wed Nov 21, 2:11 am)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Andrew Morton
, (Wed Nov 21, 2:18 am)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Rik van Riel
, (Mon Nov 26, 3:39 pm)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Andrew Morton
, (Mon Nov 26, 4:33 pm)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Christoph Lameter
, (Mon Nov 26, 4:56 pm)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Rik van Riel
, (Mon Nov 26, 4:54 pm)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Ingo Molnar
, (Mon Nov 26, 4:45 pm)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Jiri Slaby
, (Mon Nov 26, 6:08 pm)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Andrew Morton
, (Mon Nov 26, 6:17 pm)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Jiri Slaby
, (Mon Nov 26, 7:14 pm)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Andrew Morton
, (Mon Nov 26, 7:28 pm)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Rik van Riel
, (Tue Nov 27, 1:50 pm)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Jiri Slaby
, (Mon Nov 26, 6:22 pm)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Alexey Dobriyan
, (Fri Nov 23, 8:49 pm)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Len Brown
, (Wed Nov 21, 3:22 pm)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Torsten Kaiser
, (Wed Nov 21, 3:48 pm)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Kamalesh Babulal
, (Wed Nov 21, 5:22 am)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Andrew Morton
, (Wed Nov 21, 5:29 am)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Torsten Kaiser
, (Wed Nov 21, 3:33 pm)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Kirill A. Shutemov
, (Thu Nov 22, 6:04 am)
Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
, Kamalesh Babulal
, (Wed Nov 21, 5:43 am)
Re: 2.6.24-rc3-mm1 - Build Failure on S390x
, Kamalesh Babulal
, (Wed Nov 21, 1:56 am)
Re: 2.6.24-rc3-mm1 - Build Failure on S390x
, Andrew Morton
, (Wed Nov 21, 2:04 am)
Re: 2.6.24-rc3-mm1
, KAMEZAWA Hiroyuki
, (Wed Nov 21, 1:58 am)
Re: 2.6.24-rc3-mm1
, Andrew Morton
, (Wed Nov 21, 2:08 am)
Re: 2.6.24-rc3-mm1
, Rene Herman
, (Wed Nov 21, 8:49 am)
Re: 2.6.24-rc3-mm1
, Dave Young
, (Wed Nov 21, 1:51 am)
Re: 2.6.24-rc3-mm1
, Andrew Morton
, (Wed Nov 21, 2:00 am)
Re: 2.6.24-rc3-mm1
, Dave Young
, (Wed Nov 21, 2:03 am)
Re: 2.6.24-rc3-mm1
, Rik van Riel
, (Mon Nov 26, 2:48 pm)
Re: 2.6.24-rc3-mm1
, Jiri Slaby
, (Mon Nov 26, 3:33 pm)
Re: 2.6.24-rc3-mm1
, Andrew Morton
, (Wed Nov 21, 2:15 am)
Re: 2.6.24-rc3-mm1
, Kirill A. Shutemov
, (Wed Nov 21, 2:35 pm)
Re: 2.6.24-rc3-mm1
, Andrew Morton
, (Wed Nov 21, 6:25 pm)
Re: 2.6.24-rc3-mm1
, Dave Young
, (Wed Nov 21, 2:22 am)
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