[CRIU] [PATCH] [RFC] zdtm: make datagen/datachk faster for big chunks

[Pavel Emelyanov]

On 03/06/2013 12:21 AM, Andrey Vagin wrote:
> Generate random data only for buffers with sizes less than FAST_SIZE
> If a size of buffer is more that FAST_SIZE, the first FAST_SIZE bytes
> are filled by random generator and then this chunk is used as pattern
> for all other chunks.
> 
> With out this patch:
> $ time bash -x test/zdtm.sh static/maps04
> real	0m16.777s
> user	0m0.054s
> sys	0m0.724s
> 
> With this patch:
> $ time bash -x test/zdtm.sh static/maps04
> real	0m1.865s
> user	0m0.128s
> sys	0m0.745s
> 
> Signed-off-by: Andrey Vagin <avagin at openvz.org>
> ---

Applied