From mboxrd@z Thu Jan 1 00:00:00 1970 From: guangrong.xiao@gmail.com Subject: [PATCH 03/12] migration: fix counting xbzrle cache_miss_rate Date: Mon, 4 Jun 2018 17:55:11 +0800 Message-ID: <20180604095520.8563-4-xiaoguangrong@tencent.com> References: <20180604095520.8563-1-xiaoguangrong@tencent.com> Cc: kvm@vger.kernel.org, Xiao Guangrong , qemu-devel@nongnu.org, peterx@redhat.com, dgilbert@redhat.com, wei.w.wang@intel.com, jiang.biao2@zte.com.cn To: pbonzini@redhat.com, mst@redhat.com, mtosatti@redhat.com Return-path: In-Reply-To: <20180604095520.8563-1-xiaoguangrong@tencent.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+gceq-qemu-devel2=m.gmane.org@nongnu.org Sender: "Qemu-devel" List-Id: kvm.vger.kernel.org From: Xiao Guangrong Sync up xbzrle_cache_miss_prev only after migration iteration goes forward Signed-off-by: Xiao Guangrong --- migration/ram.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/migration/ram.c b/migration/ram.c index dbf24d8c87..dd1283dd45 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -1189,9 +1189,9 @@ 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 */ -- 2.14.4