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authorVitaly Kuznetsov <vkuznets@redhat.com>2017-10-29 22:21:15 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-11-04 14:04:26 +0300
commit98f31a0050ca8ba47b57c6d67599013cdbdd2122 (patch)
treee97ce9e3b1bb30e32689cf9b365b6255a4cbe5e3 /drivers/hv/channel.c
parent259cc665e9c08d054549a877c1b53b793de15753 (diff)
downloadlinux-98f31a0050ca8ba47b57c6d67599013cdbdd2122.tar.xz
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>
Diffstat (limited to 'drivers/hv/channel.c')
-rw-r--r--drivers/hv/channel.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 0382d7b600a1..ed3634e53e15 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -236,13 +236,18 @@ int vmbus_send_tl_connect_request(const uuid_le *shv_guest_servie_id,
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);