From: Yingxin Cheng <yingxin.cheng@intel.com>
Date: Tue, 17 Mar 2020 07:14:06 +0000 (+0800)
Subject: crimson/net: add critical info logs to track and debug racing
X-Git-Tag: v16.0.0~8^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=d78cbb3ebda0c00e3ebd47aa1b3b45c16753ba80;p=ceph.git

crimson/net: add critical info logs to track and debug racing

Signed-off-by: Yingxin Cheng <yingxin.cheng@intel.com>
---

diff --git a/src/crimson/net/Protocol.cc b/src/crimson/net/Protocol.cc
index 7eb952609ed0..3d01f26e50d4 100644
--- a/src/crimson/net/Protocol.cc
+++ b/src/crimson/net/Protocol.cc
@@ -48,6 +48,10 @@ void Protocol::close(bool dispatch_reset,
     return;
   }
 
+  logger().info("{} closing: reset {}, replace {}", conn,
+                dispatch_reset ? "yes" : "no",
+                f_accept_new ? "yes" : "no");
+
   // unregister_conn() drops a reference, so hold another until completion
   auto cleanup = [conn_ref = conn.shared_from_this(), this] {
       logger().debug("{} closed!", conn);
diff --git a/src/crimson/net/SocketMessenger.cc b/src/crimson/net/SocketMessenger.cc
index 2817602cac7d..c11e2b32753e 100644
--- a/src/crimson/net/SocketMessenger.cc
+++ b/src/crimson/net/SocketMessenger.cc
@@ -141,6 +141,7 @@ SocketMessenger::connect(const entity_addr_t& peer_addr, const entity_type_t& pe
   ceph_assert(peer_addr.get_port() > 0);
 
   if (auto found = lookup_conn(peer_addr); found) {
+    logger().info("{} connect to existing", *found);
     return found->shared_from_this();
   }
   SocketConnectionRef conn = seastar::make_shared<SocketConnection>(