<arei.gong...@huawei.com> wrote: > From: ChenLiang <chenlian...@huawei.com> > > Signed-off-by: ChenLiang <chenlian...@huawei.com> > Signed-off-by: Gonglei <arei.gong...@huawei.com> > --- > docs/xbzrle.txt | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/docs/xbzrle.txt b/docs/xbzrle.txt > index cc3a26a..cdf1e3e 100644 > --- a/docs/xbzrle.txt > +++ b/docs/xbzrle.txt > @@ -71,6 +71,13 @@ encoded buffer: > encoded length 24 > e9 07 0f 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 03 01 67 01 01 69 > > +The strategy of updating cache > +================================= > +Keeping the hot page in cache is effective to decrease cache missing. > +XBZRLE use a counter as the age of page. The counter will increase > +after the ram dirty bitmap syncing. When cache conflicts XBZRLE only > +replace the old page in cache. > + > Usage > ====================== > 1. Verify the destination QEMU version is able to decode the new format.
You can merge this one with patch3, but not important. Thanks, Juan.
