[lkml]   [2009]   [Jan]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: lmbench lat_mmap slowdown with CONFIG_PARAVIRT
On Tue, Jan 20, 2009 at 03:17:35PM +0100, Ingo Molnar wrote:
> * Nick Piggin <> wrote:
> >
> > BTW. the lmbench test I run directly (it's called lat_mmap.c, and gets
> > compiled into a standalone lat_mmap exec by the standard lmbench build).
> doesnt that include an indeterminate number of gettimeofday() based
> calibration calls? That would make it harder to measure its total costs in
> a comparative way.

Hmm... yes probably for really detailed profile comparisons or
other external measurements it would need modification.

 \ /
  Last update: 2009-01-20 15:43    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean