From: Ira Weiny <ira.weiny@xxxxxxxxx>
Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
---
drivers/infiniband/core/mad.c | 3 +++
include/trace/events/ib_mad.h | 41 +++++++++++++++++++++++++++++++++++++++++
2 files changed, 44 insertions(+)
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 0dc0ae78d313..189404194470 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -441,6 +441,7 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
list_add_tail(&mad_agent_priv->agent_list, &port_priv->agent_list);
spin_unlock_irqrestore(&port_priv->reg_lock, flags);
+ trace_ib_mad_create_agent(mad_agent_priv);
return &mad_agent_priv->agent;
error4:
@@ -465,6 +466,7 @@ static void unregister_mad_agent(struct ib_mad_agent_private *mad_agent_priv)
unsigned long flags;
/* Note that we could still be handling received MADs */
+ trace_ib_mad_unregister_agent(mad_agent_priv);
/*
* Canceling all sends results in dropping received response
@@ -2112,6 +2114,7 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
mad_agent = find_mad_agent(port_priv, (const struct ib_mad_hdr *)recv->mad);
if (mad_agent) {
+ trace_ib_mad_recv_done_agent(mad_agent);
ib_mad_complete_recv(mad_agent, &recv->header.recv_wc);
/*
* recv is freed up in error cases in ib_mad_complete_recv
diff --git a/include/trace/events/ib_mad.h b/include/trace/events/ib_mad.h
index 8704bbc476bd..3ac94636784b 100644
--- a/include/trace/events/ib_mad.h
+++ b/include/trace/events/ib_mad.h
@@ -248,6 +248,47 @@ TRACE_EVENT(ib_mad_recv_done_handler,
)
);
+DECLARE_EVENT_CLASS(ib_mad_agent_template,
+ TP_PROTO(struct ib_mad_agent_private *agent),
+ TP_ARGS(agent),
+
+ TP_STRUCT__entry(
+ __array(char, dev_name, IB_DEVICE_NAME_MAX )
+ __field(u8, port_num )
+ __field(u32, hi_tid )
+ __field(u8, mgmt_class )
+ __field(u8, mgmt_class_version )
+ ),
+
+ TP_fast_assign(
+ memcpy(__entry->dev_name, agent->agent.device->name, IB_DEVICE_NAME_MAX);
+ __entry->port_num = agent->agent.port_num;
+ __entry->hi_tid = agent->agent.hi_tid;
+
+ if (agent->reg_req) {
+ __entry->mgmt_class = agent->reg_req->mgmt_class;
+ __entry->mgmt_class_version = agent->reg_req->mgmt_class_version;
+ } else {
+ __entry->mgmt_class = 0;
+ __entry->mgmt_class_version = 0;
+ }
+ ),
+
+ TP_printk("%s:%d hi_tid 0x%08x class 0x%02x class_ver 0x%02x",
+ __entry->dev_name, __entry->port_num,
+ __entry->hi_tid, __entry->mgmt_class, __entry->mgmt_class_version
+ )
+);
+DEFINE_EVENT(ib_mad_agent_template, ib_mad_recv_done_agent,
+ TP_PROTO(struct ib_mad_agent_private *agent),
+ TP_ARGS(agent));
+DEFINE_EVENT(ib_mad_agent_template, ib_mad_create_agent,
+ TP_PROTO(struct ib_mad_agent_private *agent),
+ TP_ARGS(agent));
+DEFINE_EVENT(ib_mad_agent_template, ib_mad_unregister_agent,
+ TP_PROTO(struct ib_mad_agent_private *agent),
+ TP_ARGS(agent));
+
#endif /* _TRACE_IB_MAD_H */
--
1.8.2
--
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