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hyper-v: trace vmbus_onoffer_rescind()
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>
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@ -856,6 +856,8 @@ static void vmbus_onoffer_rescind(struct vmbus_channel_message_header *hdr)
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rescind = (struct vmbus_channel_rescind_offer *)hdr;
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trace_vmbus_onoffer_rescind(rescind);
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/*
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* The offer msg and the corresponding rescind msg
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* from the host are guranteed to be ordered -
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@ -61,6 +61,14 @@ TRACE_EVENT(vmbus_onoffer,
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)
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);
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TRACE_EVENT(vmbus_onoffer_rescind,
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TP_PROTO(const struct vmbus_channel_rescind_offer *offer),
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TP_ARGS(offer),
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TP_STRUCT__entry(__field(u32, child_relid)),
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TP_fast_assign(__entry->child_relid = offer->child_relid),
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TP_printk("child_relid 0x%x", __entry->child_relid)
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);
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#undef TRACE_INCLUDE_FILE
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