From: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
Add tracepoint to CHANNELMSG_OPENCHANNEL_RESULT handler.
Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
---
drivers/hv/channel_mgmt.c | 2 ++
drivers/hv/hv_trace.h | 17 +++++++++++++++++
2 files changed, 19 insertions(+)
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index cfe5c9c6a87c..c735abe01712 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -986,6 +986,8 @@ static void vmbus_onopen_result(struct vmbus_channel_message_header *hdr)
result = (struct vmbus_channel_open_result *)hdr;
+ trace_vmbus_onopen_result(result);
+
/*
* Find the open 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 dbbed1d1f327..9757c19d1c08 100644
--- a/drivers/hv/hv_trace.h
+++ b/drivers/hv/hv_trace.h
@@ -69,6 +69,23 @@ TRACE_EVENT(vmbus_onoffer_rescind,
TP_printk("child_relid 0x%x", __entry->child_relid)
);
+TRACE_EVENT(vmbus_onopen_result,
+ TP_PROTO(const struct vmbus_channel_open_result *result),
+ TP_ARGS(result),
+ TP_STRUCT__entry(
+ __field(u32, child_relid)
+ __field(u32, openid)
+ __field(u32, status)
+ ),
+ TP_fast_assign(__entry->child_relid = result->child_relid;
+ __entry->openid = result->openid;
+ __entry->status = result->status;
+ ),
+ TP_printk("child_relid 0x%x, openid %d, status %d",
+ __entry->child_relid, __entry->openid, __entry->status
+ )
+ );
+
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
--
2.14.1
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