From: jbarnes@sgi.com (Jesse Barnes)
To: Andrew Morton <akpm@osdl.org>, axboe@suse.de
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.4-mm2
Date: Mon, 15 Mar 2004 14:11:27 -0800 [thread overview]
Message-ID: <20040315221127.GA23743@sgi.com> (raw)
In-Reply-To: <20040314172809.31bd72f7.akpm@osdl.org>
On Sun, Mar 14, 2004 at 05:28:09PM -0800, Andrew Morton wrote:
> - Added the new per-address_space block unplugging code. This is designed
> to reduce the locking contention against the global plug list's lock and it
> also allows us to avoid unplugging all the queues in the machine when we
> want just a single queue to kick off its I/O.
Looks pretty good, same benchmark as last time (though hopefully the
profiles look a little nicer--sorry David, I wasn't able to get qprof
working today).
10 qla2200 fc controllers, 64 cpus, 112 disks
-------------------------------------
2.6.4 ~43252 I/Os per second
[root@revenue sio]# readprofile -p /root/profile.out -m /root/System.map | sort -nr | head -20
926930 total 0.1601
508304 snidle 1323.7083
170017 cpu_idle 354.2021
148308 default_idle 4634.6250
21765 blk_run_queues 37.7865
16914 __make_request 4.6775
16897 scsi_request_fn 8.9497
6478 scsi_end_request 11.9081
6111 schedule 1.1233
4750 dio_bio_end_io 12.3698
3749 qla2x00_start_scsi 1.5215
3475 qla2x00_queuecommand 0.8484
3062 sn_dma_flush 4.5565
1313 scsi_dispatch_cmd 0.9118
997 scsi_device_unbusy 2.3966
917 dio_await_one 1.5920
910 get_request 0.5687
890 __end_that_request_first 0.8428
873 mempool_alloc 0.9094
834 __mod_timer 0.8145
vmstat:
procs memory swap io system cpu
r b swpd free buff cache si so bi bo in cs us sy id wa
4 113 0 252927360 12112 4288 0 0 14649 0 73289 56926 0 7 45 48
3 114 0 252927424 12112 4288 0 0 23187 1 75524 91055 0 13 1 85
5 111 0 252927424 12112 4288 0 0 23142 0 75440 90893 0 13 0 87
5 112 0 252927552 12112 4288 0 0 23581 0 75750 92907 0 12 0 88
9 108 0 252927552 12112 4288 0 0 23224 0 75698 91226 0 14 0 86
3 114 0 252927680 12112 4288 0 0 23474 0 75912 92509 0 12 1 87
2 114 0 252927680 12112 4288 0 0 22651 0 75092 88730 0 15 0 85
7 114 0 252927872 12112 4288 0 0 22915 0 75298 89525 0 15 0 84
4 112 0 252927872 12112 4288 0 0 23106 0 75348 90598 0 15 0 85
0 0 0 252951488 12112 20688 0 0 21193 0 89210 85060 0 17 5 79
-------------------------------------
2.6.4-mm2 ~46655 I/Os per second
[root@revenue sio]# readprofile -p /root/profile.out -m /root/System.map | sort -nr | head -20
935122 total 0.1656
543734 snidle 1415.9740
182199 cpu_idle 379.5813
158268 default_idle 4945.8750
6850 scsi_request_fn 3.6282
6067 scsi_end_request 11.1526
4695 __make_request 1.3338
4347 dio_bio_end_io 12.3494
3782 schedule 0.6677
3323 sn_dma_flush 4.9449
3314 pci_cacheline_size 4.5027
1753 sd_rw_intr 1.5652
1313 dio_await_one 1.7840
1259 scsi_device_unbusy 3.0264
1201 scsi_dispatch_cmd 0.8340
847 sd_open 1.2031
671 __mod_timer 0.5825
661 __end_that_request_first 0.6259
593 mempool_free 1.1582
568 scsi_io_completion 0.2863
vmstat:
procs memory swap io system cpu
r b swpd free buff cache si so bi bo in cs us sy id wa
2 112 0 253452832 12128 69872 0 0 7703 17 77455 25398 0 2 94 4
4 112 0 253452640 12128 69872 0 0 24694 0 76935 84163 0 8 79 13
2 114 0 253452512 12128 69872 0 0 24744 8 76523 86890 0 8 71 21
6 110 0 253452512 12128 69872 0 0 24614 0 76418 86889 0 8 70 22
3 113 0 253452448 12128 69872 0 0 24652 0 76427 87022 0 8 68 24
4 112 0 253452640 12128 69872 0 0 24504 0 76552 87179 0 8 67 25
2 114 0 253452640 12128 69872 0 0 24540 0 76559 86955 0 8 66 27
5 111 0 253452640 12128 69872 0 0 24525 17 76521 87415 0 8 66 26
7 109 0 253452640 12128 69872 0 0 24528 0 76526 87092 0 8 66 27
2 114 0 253452768 12128 69872 0 0 24488 0 76619 87209 0 8 66 27
0 0 0 253498848 12128 69872 0 0 5789 0 84614 21581 0 2 91 6
next prev parent reply other threads:[~2004-03-15 22:14 UTC|newest]
Thread overview: 96+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-15 1:28 2.6.4-mm2 Andrew Morton
2004-03-15 1:57 ` 2.6.4-mm2 Joshua Kwan
2004-03-15 6:08 ` 2.6.4-mm2 Sam Ravnborg
2004-03-15 9:32 ` [patch] 2.6.4-mm2: ALSA au88x0.c doesn't compile with gcc 2.95 Adrian Bunk
2004-03-15 9:36 ` 2.6.4-mm2: ALSA au88{1,2}0: multiply defined symbols Adrian Bunk
2004-03-15 18:54 ` 2.6.4-mm2 Sam Ravnborg
2004-03-20 22:50 ` 2.6.4-mm2 Olaf Hering
2004-03-15 19:18 ` 2.6.4-mm2 (compile stats) John Cherry
2004-03-15 20:57 ` 2.6.4-mm2 Thomas Schlichter
2004-03-15 21:08 ` 2.6.4-mm2 Thomas Schlichter
2004-03-15 21:18 ` 2.6.4-mm2 Andrew Morton
2004-03-15 21:18 ` 2.6.4-mm2 Jens Axboe
2004-03-15 22:40 ` 2.6.4-mm2 Thomas Schlichter
2004-03-15 22:11 ` Jesse Barnes [this message]
2004-03-16 18:32 ` 2.6.4-mm2 Daniel McNeil
2004-03-16 21:58 ` 2.6.4-mm2 Chris Mason
2004-03-16 23:21 ` 2.6.4-mm2 Andrew Morton
2004-03-16 23:28 ` 2.6.4-mm2 Andrew Morton
2004-03-16 23:39 ` 2.6.4-mm2 Andrew Morton
2004-03-17 0:10 ` 2.6.4-mm2 Daniel McNeil
[not found] ` <1079485055.4181.1115.camel@watt.suse.com>
[not found] ` <1079487710.3100.22.camel@ibm-c.pdx.osdl.net>
[not found] ` <20040316180043.441e8150.akpm@osdl.org>
2004-03-17 20:11 ` 2.6.4-mm2 Chris Mason
2004-03-17 20:33 ` 2.6.4-mm2 Andrew Morton
2004-03-17 22:46 ` 2.6.4-mm2 Chris Mason
2004-03-17 23:09 ` 2.6.4-mm2 Andrew Morton
2004-03-17 23:27 ` 2.6.4-mm2 Chris Mason
2004-03-17 23:51 ` 2.6.4-mm2 Andrew Morton
2004-03-18 0:06 ` 2.6.4-mm2 Chris Mason
2004-03-18 0:13 ` 2.6.4-mm2 Andrew Morton
2004-03-18 0:31 ` 2.6.4-mm2 Chris Mason
2004-03-18 0:33 ` 2.6.4-mm2 Andrew Morton
2004-03-18 0:41 ` 2.6.4-mm2 Chris Mason
2004-03-18 1:15 ` 2.6.4-mm2 Daniel McNeil
2004-03-18 17:53 ` 2.6.4-mm2 Daniel McNeil
2004-03-18 18:47 ` 2.6.4-mm2 Chris Mason
2004-03-18 19:10 ` 2.6.4-mm2 Daniel McNeil
2004-03-19 16:49 ` 2.6.5-rc2-mm2 and direct_read_under Daniel McNeil
2004-03-19 17:05 ` 2.6.5-rc1-mm2 " Daniel McNeil
2004-03-21 14:36 ` Chris Mason
2004-03-22 18:10 ` 2.6.5-rc1-mm2 and direct_read_under and wb Daniel McNeil
2004-03-22 18:23 ` Chris Mason
2004-03-22 18:27 ` Chris Mason
2004-03-22 18:35 ` Chris Mason
2004-03-22 18:51 ` Daniel McNeil
2004-03-22 23:13 ` Andrew Morton
2004-03-23 0:51 ` Daniel McNeil
2004-03-23 9:25 ` Andrew Morton
2004-03-23 17:05 ` Daniel McNeil
2004-03-23 17:59 ` Andrew Morton
2004-03-23 21:38 ` Daniel McNeil
2004-03-23 21:47 ` Andrew Morton
2004-03-18 17:37 ` 2.6.4-mm2 markw
2004-03-18 18:06 ` 2.6.4-mm2 Andrew Morton
2004-03-18 18:48 ` 2.6.4-mm2 markw
2004-03-18 19:10 ` 2.6.4-mm2 Chris Mason
2004-03-18 19:27 ` 2.6.4-mm2 Jens Axboe
2004-03-18 23:38 ` 2.6.4-mm2 markw
2004-03-19 7:39 ` 2.6.4-mm2 Jens Axboe
2004-03-19 3:15 ` 2.6.4-mm2 Andrew Morton
2004-03-19 7:39 ` 2.6.4-mm2 Jens Axboe
2004-03-19 7:52 ` 2.6.4-mm2 Andrew Morton
2004-03-19 7:57 ` 2.6.4-mm2 Jens Axboe
2004-03-19 8:19 ` 2.6.4-mm2 Andrew Morton
2004-03-19 8:31 ` 2.6.4-mm2 Jens Axboe
2004-03-19 8:39 ` 2.6.4-mm2 Andrew Morton
2004-03-19 8:48 ` 2.6.4-mm2 Jens Axboe
2004-03-19 9:56 ` 2.6.4-mm2 Miquel van Smoorenburg
2004-03-19 10:00 ` 2.6.4-mm2 Jens Axboe
[not found] ` <20040318194150.4de65049.akpm@osdl.org>
2004-03-20 2:39 ` 2.6.4-mm2 Mark Wong
2004-03-20 2:47 ` 2.6.4-mm2 Mark Wong
2004-03-20 2:50 ` 2.6.4-mm2 Andrew Morton
2004-03-20 2:53 ` 2.6.4-mm2 Mark Wong
2004-03-20 3:52 ` 2.6.4-mm2 Nick Piggin
2004-03-20 4:14 ` 2.6.4-mm2 Andrew Morton
2004-03-20 4:24 ` 2.6.4-mm2 Nick Piggin
2004-03-20 4:26 ` 2.6.4-mm2 Nick Piggin
2004-03-20 21:17 ` 2.6.4-mm2 Martin J. Bligh
2004-03-22 17:19 ` 2.6.4-mm2 Mary Edie Meredith
2004-03-22 17:19 ` 2.6.4-mm2 Mary Edie Meredith
2004-03-23 0:27 ` 2.6.4-mm2 Andrew Morton
2004-03-23 0:27 ` 2.6.4-mm2 Andrew Morton
2004-03-23 19:21 ` 2.6.4-mm2 Mary Edie Meredith
2004-03-23 19:21 ` 2.6.4-mm2 Mary Edie Meredith
2004-03-23 19:32 ` 2.6.4-mm2 Andrew Morton
2004-03-23 19:32 ` 2.6.4-mm2 Andrew Morton
2004-03-24 0:07 ` 2.6.4-mm2 Mary Edie Meredith
2004-03-24 0:07 ` 2.6.4-mm2 Mary Edie Meredith
2004-03-30 21:30 ` 2.6.4-mm2 Mary Edie Meredith
2004-03-30 21:30 ` 2.6.4-mm2 Mary Edie Meredith
[not found] <A6974D8E5F98D511BB910002A50A6647615F5E26@hdsmsx402.hd.intel.com>
2004-03-20 4:19 ` 2.6.4-mm2 Len Brown
2004-03-20 4:26 ` 2.6.4-mm2 Andrew Morton
2004-03-20 4:32 ` 2.6.4-mm2 Mark Wong
[not found] <A6974D8E5F98D511BB910002A50A6647615F5E2B@hdsmsx402.hd.intel.com>
2004-03-20 4:27 ` 2.6.4-mm2 Len Brown
2004-03-20 9:01 ` 2.6.4-mm2 Nick Piggin
2004-03-22 16:24 ` 2.6.4-mm2 markw
-- strict thread matches above, loose matches on Subject: below --
2004-03-20 23:12 2.6.4-mm2 sam
2004-03-20 23:41 ` 2.6.4-mm2 Olaf Hering
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20040315221127.GA23743@sgi.com \
--to=jbarnes@sgi.com \
--cc=akpm@osdl.org \
--cc=axboe@suse.de \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.