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hyper-v: trace vmbus_onopen_result()

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Add tracepoint to CHANNELMSG_OPENCHANNEL_RESULT 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>
This commit is contained in:
Vitaly Kuznetsov 2017-10-29 12:21:04 -07:00 committed by Greg Kroah-Hartman
parent 5175167c77
commit 9f23ce1a23
2 changed files with 19 additions and 0 deletions
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2
drivers/hv/channel_mgmt.c
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@ -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
*/

17
drivers/hv/hv_trace.h
View file

@ -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