hyper-v: trace vmbus_ongpadl_created()

Add tracepoint to CHANNELMSG_GPADL_CREATED handler.

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_mgmt.c b/drivers/hv/channel_mgmt.c
index c735abe017129d6e7fe61022209e21285da09484..4bff75449afb8cdf38c7260ff2abe5d3d568b298 100644 (file)
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -1032,6 +1032,8 @@ static void vmbus_ongpadl_created(struct vmbus_channel_message_header *hdr)
 
        gpadlcreated = (struct vmbus_channel_gpadl_created *)hdr;
 
+       trace_vmbus_ongpadl_created(gpadlcreated);
+
        /*
         * Find the establish msg, copy the result and signal/unblock the wait
         * event

diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h
index 9757c19d1c0800e5115c426f2b14342400c47449..20734b7b341b6041cfbd5194f702e50a3178f07e 100644 (file)
--- a/drivers/hv/hv_trace.h
+++ b/drivers/hv/hv_trace.h
@@ -86,6 +86,23 @@ TRACE_EVENT(vmbus_onopen_result,
                    )
        );
 
+TRACE_EVENT(vmbus_ongpadl_created,
+           TP_PROTO(const struct vmbus_channel_gpadl_created *gpadlcreated),
+           TP_ARGS(gpadlcreated),
+           TP_STRUCT__entry(
+                   __field(u32, child_relid)
+                   __field(u32, gpadl)
+                   __field(u32, status)
+                   ),
+           TP_fast_assign(__entry->child_relid = gpadlcreated->child_relid;
+                          __entry->gpadl = gpadlcreated->gpadl;
+                          __entry->status = gpadlcreated->creation_status;
+                   ),
+           TP_printk("child_relid 0x%x, gpadl 0x%x, creation_status %d",
+                     __entry->child_relid,  __entry->gpadl,  __entry->status
+                   )
+       );
+
 #undef TRACE_INCLUDE_PATH
 #define TRACE_INCLUDE_PATH .
 #undef TRACE_INCLUDE_FILE