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| author | Ira Weiny <ira.weiny@intel.com> | 2019-03-19 22:11:46 +0100 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-03-27 19:52:00 +0100 |
| commit | 0e65bae205cbec92029ff7b3c3a14ec90456f7eb (patch) | |
| tree | d5c0b1b58b8f8fec8344e04eea8673cda26292e6 | |
| parent | IB/MAD: Add recv path trace point (diff) | |
| download | linux-0e65bae205cbec92029ff7b3c3a14ec90456f7eb.tar.xz linux-0e65bae205cbec92029ff7b3c3a14ec90456f7eb.zip | |
IB/MAD: Add agent trace points
Trace agent details when agents are [un]registered. In addition, report
agent details on send/recv.
Reviewed-by: "Ruhl, Michael J" <michael.j.ruhl@intel.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
| -rw-r--r-- | drivers/infiniband/core/mad.c | 4 | ||||
| -rw-r--r-- | include/trace/events/ib_mad.h | 46 |
2 files changed, 50 insertions, 0 deletions
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 7164db34bd4d..cc1805211a84 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -467,6 +467,7 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device, } spin_unlock_irq(&port_priv->reg_lock); + trace_ib_mad_create_agent(mad_agent_priv); return &mad_agent_priv->agent; error6: spin_unlock_irq(&port_priv->reg_lock); @@ -622,6 +623,7 @@ static void unregister_mad_agent(struct ib_mad_agent_private *mad_agent_priv) struct ib_mad_port_private *port_priv; /* 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 @@ -2354,6 +2356,7 @@ static void ib_mad_recv_done(struct ib_cq *cq, struct ib_wc *wc) 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 @@ -2518,6 +2521,7 @@ static void ib_mad_send_done(struct ib_cq *cq, struct ib_wc *wc) send_queue = mad_list->mad_queue; qp_info = send_queue->qp_info; + trace_ib_mad_send_done_agent(mad_send_wr->mad_agent_priv); trace_ib_mad_send_done_handler(mad_send_wr, wc); retry: diff --git a/include/trace/events/ib_mad.h b/include/trace/events/ib_mad.h index 245a916bfd5a..6f504c2af935 100644 --- a/include/trace/events/ib_mad.h +++ b/include/trace/events/ib_mad.h @@ -248,6 +248,52 @@ 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( + __field(u32, dev_index) + __field(u32, hi_tid) + __field(u8, port_num) + __field(u8, mgmt_class) + __field(u8, mgmt_class_version) + ), + + TP_fast_assign( + __entry->dev_index = agent->agent.device->index; + __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("%d:%d mad agent : hi_tid 0x%08x class 0x%02x class_ver 0x%02x", + __entry->dev_index, __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_send_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 */ |