4.4-rc: 28 bioset threads on small notebook

From: Pavel Machek
Date: Fri Dec 11 2015 - 05:49:47 EST


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
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