linux-kernel - Re: 4.4-rc: 28 bioset threads on small notebook

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Message-ID: <20151211171438.GA14905@amd>
Date:	Fri, 11 Dec 2015 18:14:38 +0100
From:	Pavel Machek <pavel@....cz>
To:	Mike Snitzer <snitzer@...hat.com>
Cc:	kernel list <linux-kernel@...r.kernel.org>, axboe@...com,
	hch@....de
Subject: Re: 4.4-rc: 28 bioset threads on small notebook

Hi!

> > 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)

Thinkpad X60. One sda, and on SD card slot. I guess I did use the SD
card from boot, and did few suspend/resume cycles...
									Pavel

-- 
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