Re: [Qemu-devel] [PATCH v4 08/10] migration: fix calculating xbzrle_counters.cache_miss_rate

2018-08-21 Thread Peter Xu
On Tue, Aug 21, 2018 at 04:10:27PM +0800, guangrong.x...@gmail.com wrote: > From: Xiao Guangrong > > As Peter pointed out: > | - xbzrle_counters.cache_miss is done in save_xbzrle_page(), so it's > | per-guest-page granularity > | > | - RAMState.iterations is done for each ram_find_and_save_bloc

[Qemu-devel] [PATCH v4 08/10] migration: fix calculating xbzrle_counters.cache_miss_rate

2018-08-21 Thread guangrong . xiao
From: Xiao Guangrong As Peter pointed out: | - xbzrle_counters.cache_miss is done in save_xbzrle_page(), so it's | per-guest-page granularity | | - RAMState.iterations is done for each ram_find_and_save_block(), so | it's per-host-page granularity | | An example is that when we migrate a 2M h