Messages in this thread | | | Subject | Re: Very slow SYS_io_destroy() | From | Alex Richman <> | Date | Mon, 23 Jul 2018 16:16:34 +0100 |
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Thanks for the response. I'm running 4.4.123-1 from Gentoo. It also happens on 4.4.87-r1.
Cheers, - Alex.
On 23/07/18 16:13, Jeff Moyer wrote: > Alex Richman <alex.r@gblabs.co.uk> writes: > >> Hi, >> >> I'm seeing some weirdness with AIO, specifically SYS_io_destroy() is >> taking upwards of ~100000 microseconds (~100 miliseconds) per call. >> How long is that call expected to take? I can see from the source > Well, it waits for an RCU grace period. I would not expect that to take > 100ms, though. What kernel version is this? > > -Jeff
-- Alex Richman alex.r@gblabs.co.uk Engineering Tel:+44 (0)118 455 5000 www.gblabs.com
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