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: 90+ 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
2004-03-23 0:27 ` 2.6.4-mm2 Andrew Morton
2004-03-23 19:21 ` 2.6.4-mm2 Mary Edie Meredith
2004-03-23 19:32 ` 2.6.4-mm2 Andrew Morton
2004-03-24 0:07 ` 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
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