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Subject[PATCH v3 07/17] hyper-v: trace vmbus_ongpadl_torndown()
Date
Add tracepoint to CHANNELMSG_GPADL_TORNDOWN 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 af2448e245ca..1ff2cc064850 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -1076,6 +1076,8 @@ static void vmbus_ongpadl_torndown(

gpadl_torndown = (struct vmbus_channel_gpadl_torndown *)hdr;

+ trace_vmbus_ongpadl_torndown(gpadl_torndown);
+
/*
* 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 20734b7b341b..84c08cdf7235 100644
--- a/drivers/hv/hv_trace.h
+++ b/drivers/hv/hv_trace.h
@@ -103,6 +103,14 @@ TRACE_EVENT(vmbus_ongpadl_created,
)
);

+TRACE_EVENT(vmbus_ongpadl_torndown,
+ TP_PROTO(const struct vmbus_channel_gpadl_torndown *gpadltorndown),
+ TP_ARGS(gpadltorndown),
+ TP_STRUCT__entry(__field(u32, gpadl)),
+ TP_fast_assign(__entry->gpadl = gpadltorndown->gpadl),
+ TP_printk("gpadl 0x%x", __entry->gpadl)
+ );
+
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
--
2.13.6
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