lkml.org 
[lkml]   [2019]   [Dec]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC PATCH 3/8] perf: Init/fini PMU specific data
From
Date

On 02.12.2019 17:59, Andi Kleen wrote:
>>
>> This is atricous crap. Also it is completely broken for -RT.
>
> Well can you please suggest how you would implement it instead?

FWIW,
An alternative could probably be to make task_ctx_data allocations
on the nearest context switch in, and obvious drawback is slowdown on
this critical path, but it could be amortized by static branches.

Thanks,
Alexey

\
 
 \ /
  Last update: 2019-12-02 17:38    [W:0.084 / U:0.180 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site