From: Xiao Guangrong Date: Mon, 4 Jun 2018 09:55:11 +0000 (+0800) Subject: migration: fix counting xbzrle cache_miss_rate X-Git-Tag: v3.0.0-rc0~82^2~5 X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=e0e7a45d7fa64563191d3723fc4a4570122e6e42;p=qemu-xen-unstable.git migration: fix counting xbzrle cache_miss_rate Sync up xbzrle_cache_miss_prev only after migration iteration goes forward Signed-off-by: Xiao Guangrong Message-Id: <20180604095520.8563-4-xiaoguangrong@tencent.com> Reviewed-by: Dr. David Alan Gilbert Signed-off-by: Dr. David Alan Gilbert --- diff --git a/migration/ram.c b/migration/ram.c index e0d19305ee..d273a19699 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -1200,9 +1200,9 @@ static void migration_bitmap_sync(RAMState *rs) (double)(xbzrle_counters.cache_miss - rs->xbzrle_cache_miss_prev) / (rs->iterations - rs->iterations_prev); + rs->xbzrle_cache_miss_prev = xbzrle_counters.cache_miss; } rs->iterations_prev = rs->iterations; - rs->xbzrle_cache_miss_prev = xbzrle_counters.cache_miss; } /* reset period counters */