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hyper-v: trace vmbus_onoffer_rescind()

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Add tracepoint to CHANNELMSG_RESCIND_CHANNELOFFER 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 12:21:03 -07:00 committed by Greg Kroah-Hartman
parent 03b81e66c7
commit 5175167c77
2 changed files with 10 additions and 0 deletions
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2
drivers/hv/channel_mgmt.c
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@ -856,6 +856,8 @@ static void vmbus_onoffer_rescind(struct vmbus_channel_message_header *hdr)
rescind = (struct vmbus_channel_rescind_offer *)hdr;
trace_vmbus_onoffer_rescind(rescind);
/*
* The offer msg and the corresponding rescind msg
* from the host are guranteed to be ordered -

8
drivers/hv/hv_trace.h
View file

@ -61,6 +61,14 @@ TRACE_EVENT(vmbus_onoffer,
)
);
TRACE_EVENT(vmbus_onoffer_rescind,
TP_PROTO(const struct vmbus_channel_rescind_offer *offer),
TP_ARGS(offer),
TP_STRUCT__entry(__field(u32, child_relid)),
TP_fast_assign(__entry->child_relid = offer->child_relid),
TP_printk("child_relid 0x%x", __entry->child_relid)
);
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE