lkml.org 
[lkml]   [2013]   [Aug]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [sched_delayed] sched: RT throttling activated
From
Date
On Fri, 2013-08-23 at 14:10 +0200, Peter Zijlstra wrote:

> > 2161 FF [irq/50-iwlwifi]
>
> Oh a threaded interrupt, I presume you're not using "threadiqrs" since
> this is the only interrupt thread around and I see a
> 'request_threaded_irq()' call in
> drivers/net/wireless/iwlwifi/pcie/trans.c
>
> And wow, why would that thing consume that much cpu.

How much is "that much"?

> Johill, ever seen the iwlwifi interrupt go 'funny' and consume gobs of
> cpu-time?

Not really, no, though if you do a lot of data transfer it can actually
consume a fair bit of CPU - made better by two somewhat recent patches,
commits 01911dab97cb3e21e640aaca82689acec00ed848 and
68972c46f2975d3d61f9dc9f311f77bfc8a8b12b.

johannes



\
 
 \ /
  Last update: 2013-08-23 15:01    [W:0.065 / U:0.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site