Messages in this thread Patch in this message | | | From | Vitaly Kuznetsov <> | Subject | [PATCH v2 04/16] hyper-v: trace vmbus_onoffer_rescind() | Date | Fri, 29 Sep 2017 15:25:50 +0200 |
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Add tracepoint to CHANNELMSG_RESCIND_CHANNELOFFER handler.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> --- drivers/hv/channel_mgmt.c | 2 ++ drivers/hv/hv_trace.h | 8 ++++++++ 2 files changed, 10 insertions(+)
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index 290ea25ce409..563653a02ab6 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -841,6 +841,8 @@ 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 - diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index d38f8ed272ca..8bb8806a16f7 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -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 -- 2.13.5
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