lkml.org 
[lkml]   [2003]   [Apr]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: objrmap and vmtruncate
> The first test has 100 tasks, each of which has 100 vma's.  The 100 processes
> modify their 100 vma's in a linear walk. Total working set is 240MB
> (slightly more than is available).
>
> ./rmap-test -l -i 10 -n 100 -s 600 -t 100 foo
>
> 2.5.66-mm4:
> 15.76s user 86.91s system 33% cpu 5:05.07 total
> 2.5.66-mm4+objrmap:
> 23.07s user 1143.26s system 87% cpu 22:09.81 total
> 2.4.21-pre5aa2:
> 14.91s user 75.30s system 24% cpu 6:15.84 total

Isn't the intent to use sys_remap_file_pages for these sort of workloads
anyway? In which case partial objrmap = rmap for these tests, so we're
still OK?

M.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:34    [W:0.135 / U:1.064 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site