Messages in this thread | | | Date | Tue, 20 Jan 2009 15:41:09 +0100 | From | Nick Piggin <> | Subject | Re: lmbench lat_mmap slowdown with CONFIG_PARAVIRT |
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On Tue, Jan 20, 2009 at 03:17:35PM +0100, Ingo Molnar wrote: > > * Nick Piggin <npiggin@suse.de> 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.
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