hyper-v: trace vmbus_send_tl_connect_request()
Add tracepoint to CHANNELMSG_TL_CONNECT_REQUEST sender.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 0382d7b..ed3634e 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -236,13 +236,18 @@
const uuid_le *shv_host_servie_id)
{
struct vmbus_channel_tl_connect_request conn_msg;
+ int ret;
memset(&conn_msg, 0, sizeof(conn_msg));
conn_msg.header.msgtype = CHANNELMSG_TL_CONNECT_REQUEST;
conn_msg.guest_endpoint_id = *shv_guest_servie_id;
conn_msg.host_service_id = *shv_host_servie_id;
- return vmbus_post_msg(&conn_msg, sizeof(conn_msg), true);
+ ret = vmbus_post_msg(&conn_msg, sizeof(conn_msg), true);
+
+ trace_vmbus_send_tl_connect_request(&conn_msg, ret);
+
+ return ret;
}
EXPORT_SYMBOL_GPL(vmbus_send_tl_connect_request);