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From: Pavel Machek <pavel@ucw.cz>
To: kernel list <linux-kernel@vger.kernel.org>
Cc: axboe@fb.com, hch@lst.de, snitzer@redhat.com
Subject: 4.4-rc: 28 bioset threads on small notebook
Date: Fri, 11 Dec 2015 11:49:37 +0100	[thread overview]
Message-ID: <20151211104937.GA23165@amd> (raw)

Hi!

I know it is normal to spawn 8 threads for every single function,

root      1069  0.0  0.0      0     0 ?        S    Dec08   0:00
[scsi_eh_0]
root      1070  0.0  0.0      0     0 ?        S<   Dec08   0:00
[scsi_tmf_0]
root      1073  0.0  0.0      0     0 ?        S    Dec08   0:00
[scsi_eh_1]
root      1074  0.0  0.0      0     0 ?        S<   Dec08   0:00
[scsi_tmf_1]
root      1077  0.0  0.0      0     0 ?        S    Dec08   0:00
[scsi_eh_2]
root      1078  0.0  0.0      0     0 ?        S<   Dec08   0:00
[scsi_tmf_2]
root      1081  0.0  0.0      0     0 ?        S    Dec08   0:00
[scsi_eh_3]
root      1082  0.0  0.0      0     0 ?        S<   Dec08   0:00
[scsi_tmf_3]
root      1085  0.0  0.0      0     0 ?        S    Dec08   0:00
[scsi_eh_4]
root      1087  0.0  0.0      0     0 ?        S<   Dec08   0:00
[scsi_tmf_4]
root      1101  0.0  0.0      0     0 ?        S    Dec08   0:00
[scsi_eh_5]
root      1102  0.0  0.0      0     0 ?        S<   Dec08   0:00
[scsi_tmf_5]
root      2741  0.0  0.0      0     0 ?        S    Dec08   0:00 [nfsd]
root      2742  0.0  0.0      0     0 ?        S    Dec08   0:00 [nfsd]
root      2743  0.0  0.0      0     0 ?        S    Dec08   0:00 [nfsd]
root      2744  0.0  0.0      0     0 ?        S    Dec08   0:00 [nfsd]
root      2745  0.0  0.0      0     0 ?        S    Dec08   0:00 [nfsd]
root      2746  0.0  0.0      0     0 ?        S    Dec08   0:00 [nfsd]
root      2747  0.0  0.0      0     0 ?        S    Dec08   0:00 [nfsd]
root      2748  0.0  0.0      0     0 ?        S    Dec08   0:00 [nfsd]


but 28 threads?

root       974  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root       977  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root       980  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root       983  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root       986  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root       989  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root       992  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root       995  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root      1000  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root      1002  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root      1003  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root      1004  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root      1005  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root      1006  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root      1007  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root      1008  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root      1009  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root      1010  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root      1011  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root      1012  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root      1013  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root      1014  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root      1015  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]
root      1016  0.0  0.0      0     0 ?        S<   Dec08   0:00 [bioset]

?

I'm not even using btrfs.

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

             reply	other threads:[~2015-12-11 10:49 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-11 10:49 Pavel Machek [this message]
2015-12-11 14:08 ` 4.4-rc: 28 bioset threads on small notebook Mike Snitzer
2015-12-11 17:14   ` Pavel Machek
2016-02-20 17:40   ` 4.4-final: " Pavel Machek
2016-02-20 18:42     ` Pavel Machek
2016-02-20 19:51       ` Mike Snitzer
2016-02-20 20:04         ` Pavel Machek
2016-02-20 20:38           ` Mike Snitzer
2016-02-20 20:55             ` Pavel Machek
2016-02-21  4:15               ` Kent Overstreet
2016-02-21  6:43                 ` Ming Lin-SSI
2016-02-21  9:40                   ` Ming Lei
2016-02-22 22:58                     ` Kent Overstreet
2016-02-23  2:55                       ` Ming Lei
2016-02-23 14:54                         ` Mike Snitzer
2016-02-24  2:48                           ` Ming Lei
2016-02-24  3:23                             ` Kent Overstreet
2016-02-23 20:45                       ` Pavel Machek
2017-02-06 12:53           ` v4.9, 4.4-final: 28 bioset threads on small notebook, 36 threads on cellphone Pavel Machek
2017-02-06 12:53             ` Pavel Machek
2017-02-07  1:47             ` Kent Overstreet
2017-02-07  2:49               ` Kent Overstreet
2017-02-07 17:13                 ` Mike Snitzer
2017-02-07 20:39                 ` Pavel Machek
2017-02-08  3:12                   ` Mike Galbraith
2017-02-08  3:12                     ` Mike Galbraith
2017-02-08  4:58                   ` Kent Overstreet
2017-02-08  6:22                     ` [PATCH] block: Make rescuer threads per request_queue, not per bioset kbuild test robot
2017-02-08  6:22                       ` kbuild test robot
2017-02-08  6:23                     ` kbuild test robot
2017-02-08  6:57                     ` v4.9, 4.4-final: 28 bioset threads on small notebook, 36 threads on cellphone Mike Galbraith
2017-02-08  6:57                       ` Mike Galbraith
2017-02-08 16:34                     ` Mike Snitzer
2017-02-08 16:34                       ` Mike Snitzer
2017-02-09 21:25                       ` Kent Overstreet
2017-02-14 16:34                         ` [dm-devel] " Mikulas Patocka
2017-02-14 17:33                         ` Mike Snitzer
2017-02-08  2:47                 ` Ming Lei

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