lkml.org 
[lkml]   [2014]   [Aug]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 2/7] locking/rwsem: more aggressive use of optimistic spinning
From
Date
On Fri, 2014-08-15 at 13:58 -0400, Waiman Long wrote:

> Thank for the testing recipe. I am afraid that I can't find a 500TB SSD
> for testing purpose. Do you think the test will still be valid for
> exercising rwsem if I use a smaller SSD or maybe mechanical hard disk?

I suspect fs_mark will fit in less than a cubic meter of silicon. You
definitely don't want to use a 400GB USB2 drive to find out though.

FSUse% Count Size Files/sec App Overhead
0 800000 0 22474.9 5551907
0 1600000 0 1550.0 314304154
0 2400000 0 832.3 928216719

zzzzz... nope, nobody is _that_ bored ^C

(starts xfs_repair, perf top.. snort)

Nope, you definitely don't want USB2 crapware for that either :)

-Mike



\
 
 \ /
  Last update: 2014-08-16 10:01    [W:0.052 / U:1.440 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site