hyper-v: trace vmbus_teardown_gpadl()

Add tracepoint to CHANNELMSG_GPADL_TEARDOWN 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>

1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h
index 978e70bdc7c5..cd33a52ef27f 100644
--- a/drivers/hv/hv_trace.h
+++ b/drivers/hv/hv_trace.h
@@ -214,6 +214,24 @@ TRACE_EVENT(vmbus_establish_gpadl_body,
                     )
         );
 
+TRACE_EVENT(vmbus_teardown_gpadl,
+            TP_PROTO(const struct vmbus_channel_gpadl_teardown *msg, int ret),
+            TP_ARGS(msg, ret),
+            TP_STRUCT__entry(
+                    __field(u32, child_relid)
+                    __field(u32, gpadl)
+                    __field(int, ret)
+                    ),
+            TP_fast_assign(
+                    __entry->child_relid = msg->child_relid;
+                    __entry->gpadl = msg->gpadl;
+                    __entry->ret = ret;
+                    ),
+            TP_printk("sending child_relid 0x%x, gpadl 0x%x, ret %d",
+                      __entry->child_relid, __entry->gpadl, __entry->ret
+                    )
+        );
+
 #undef TRACE_INCLUDE_PATH
 #define TRACE_INCLUDE_PATH .
 #undef TRACE_INCLUDE_FILE