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Groups > linux.kernel > #1289603
| From | Mike Snitzer <snitzer@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: 4.4-rc: 28 bioset threads on small notebook |
| Date | 2015-12-11 15:10 +0100 |
| Message-ID | <qEwyv-5wq-37@gated-at.bofh.it> (permalink) |
| References | <qEtqX-35O-35@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Dec 11 2015 at 5:49am -0500,
Pavel Machek <pavel@ucw.cz> wrote:
> Hi!
>
> I know it is normal to spawn 8 threads for every single function,
...
> but 28 threads?
>
> root 974 0.0 0.0 0 0 ? S< Dec08 0:00 [bioset]
...
How many physical block devices do you have?
DM is doing its part to not contribute to this:
dbba42d8a ("dm: eliminate unused "bioset" process for each bio-based DM device")
(but yeah, all these extra 'bioset' threads aren't ideal)
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4.4-rc: 28 bioset threads on small notebook Pavel Machek <pavel@ucw.cz> - 2015-12-11 11:50 +0100
Re: 4.4-rc: 28 bioset threads on small notebook Mike Snitzer <snitzer@redhat.com> - 2015-12-11 15:10 +0100
Re: 4.4-rc: 28 bioset threads on small notebook Pavel Machek <pavel@ucw.cz> - 2015-12-11 18:20 +0100
csiph-web