lkml.org 
[lkml]   [2021]   [Apr]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3 0/5] mm/memcg: Reduce kmemcache memory accounting overhead
On Tue, Apr 13, 2021 at 09:20:22PM -0400, Waiman Long wrote:
> With memory accounting disable, the run time was 2.848s. With memory
> accounting enabled, the run times with the application of various
> patches in the patchset were:
>
> Applied patches Run time Accounting overhead Overhead %age
> --------------- -------- ------------------- -------------
> None 10.800s 7.952s 100.0%
> 1-2 9.140s 6.292s 79.1%
> 1-3 7.641s 4.793s 60.3%
> 1-5 6.801s 3.953s 49.7%

I think this is a misleading way to report the overhead. I would have said:

10.800s 7.952s 279.2%
9.140s 6.292s 220.9%
7.641s 4.793s 168.3%
6.801s 3.953s 138.8%

\
 
 \ /
  Last update: 2021-04-15 19:13    [W:0.583 / U:0.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site