Andrei Gudkov <gudkov.and...@huawei.com> wrote: > This significantly reduces overhead of dirty page > rate calculation in sampling mode. > Tested using 32GiB VM on E5-2690 CPU. > > With CRC32: > total_pages=8388608 sampled_pages=16384 millis=71 > > With xxHash: > total_pages=8388608 sampled_pages=16384 millis=14 > > Signed-off-by: Andrei Gudkov <gudkov.and...@huawei.com>
Reviewed-by: Juan Quintela <quint...@redhat.com> This changes nothing outside of dirtyrate, and if the hash function is faster, we should be good. queued.
