From 5d95e3151027973fd4dd1d69f3432fd62f972f7c Mon Sep 17 00:00:00 2001
From: Krzysztof Karas <krzysztof.karas@intel.com>
Date: Fri, 24 Sep 2021 12:38:58 +0000
Subject: [PATCH] lib/nvmf/tpc.c: add relations between tcp io object and bdev
 traces

This patch makes use of the changes from  previous patch and to
show connections between bdev events and tcp events.

Change-Id: If28c256d74a9a5d581ee4d8292a08fc061fee968
Signed-off-by: Krzysztof Karas <krzysztof.karas@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9622
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@gmail.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
---
 lib/nvmf/tcp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/nvmf/tcp.c b/lib/nvmf/tcp.c
index 271f30a46..5184aa38c 100644
--- a/lib/nvmf/tcp.c
+++ b/lib/nvmf/tcp.c
@@ -185,6 +185,9 @@ SPDK_TRACE_REGISTER_FN(nvmf_tcp_trace, "nvmf_tcp", TRACE_GROUP_NVMF_TCP)
 	spdk_trace_register_description("TCP_QP_RECV_STATE_CHANGE", TRACE_TCP_QP_RECV_STATE_CHANGE,
 					OWNER_NONE, OBJECT_NONE, 0,
 					SPDK_TRACE_ARG_TYPE_INT, "state");
+
+	spdk_trace_tpoint_register_relation(TRACE_BDEV_IO_START, OBJECT_NVMF_TCP_IO, 1);
+	spdk_trace_tpoint_register_relation(TRACE_BDEV_IO_DONE, OBJECT_NVMF_TCP_IO, 0);
 }
 
 struct spdk_nvmf_tcp_req  {