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IB/MAD: Add recv path trace point

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Trace received MAD details.

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>
This commit is contained in:
Ira Weiny 2019-03-19 14:11:45 -07:00 committed by Jason Gunthorpe
parent 4d60cad5db
commit 821bf1de45
2 changed files with 70 additions and 0 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

3
drivers/infiniband/core/mad.c
View file

@ -2305,6 +2305,9 @@ static void ib_mad_recv_done(struct ib_cq *cq, struct ib_wc *wc)
if (!validate_mad((const struct ib_mad_hdr *)recv->mad, qp_info, opa)) if (!validate_mad((const struct ib_mad_hdr *)recv->mad, qp_info, opa))
goto out; goto out;
trace_ib_mad_recv_done_handler(qp_info, wc,
(struct ib_mad_hdr *)recv->mad);
mad_size = recv->mad_size; mad_size = recv->mad_size;
response = alloc_mad_private(mad_size, GFP_KERNEL); response = alloc_mad_private(mad_size, GFP_KERNEL);
if (!response) if (!response)

67
include/trace/events/ib_mad.h
View file

@ -181,6 +181,73 @@ TRACE_EVENT(ib_mad_send_done_handler,
) )
); );
TRACE_EVENT(ib_mad_recv_done_handler,
TP_PROTO(struct ib_mad_qp_info *qp_info, struct ib_wc *wc,
struct ib_mad_hdr *mad_hdr),
TP_ARGS(qp_info, wc, mad_hdr),
TP_STRUCT__entry(
__field(u8, base_version)
__field(u8, mgmt_class)
__field(u8, class_version)
__field(u8, port_num)
__field(u32, qp_num)
__field(u16, status)
__field(u16, class_specific)
__field(u32, length)
__field(u64, tid)
__field(u8, method)
__field(u8, sl)
__field(u16, attr_id)
__field(u32, attr_mod)
__field(u16, src_qp)
__field(u16, wc_status)
__field(u32, slid)
__field(u32, dev_index)
__field(u16, pkey)
),
TP_fast_assign(
__entry->dev_index = qp_info->port_priv->device->index;
__entry->port_num = qp_info->port_priv->port_num;
__entry->qp_num = qp_info->qp->qp_num;
__entry->length = wc->byte_len;
__entry->base_version = mad_hdr->base_version;
__entry->mgmt_class = mad_hdr->mgmt_class;
__entry->class_version = mad_hdr->class_version;
__entry->method = mad_hdr->method;
__entry->status = mad_hdr->status;
__entry->class_specific = mad_hdr->class_specific;
__entry->tid = mad_hdr->tid;
__entry->attr_id = mad_hdr->attr_id;
__entry->attr_mod = mad_hdr->attr_mod;
__entry->slid = wc->slid;
__entry->src_qp = wc->src_qp;
__entry->sl = wc->sl;
ib_query_pkey(qp_info->port_priv->device,
qp_info->port_priv->port_num,
wc->pkey_index, &__entry->pkey);
__entry->wc_status = wc->status;
),
TP_printk("%d:%d QP%d : RECV WC Status %d : length %d : hdr : " \
"base_ver 0x%02x class 0x%02x class_ver 0x%02x " \
"method 0x%02x status 0x%04x class_specific 0x%04x " \
"tid 0x%016llx attr_id 0x%04x attr_mod 0x%08x " \
"slid 0x%08x src QP%d, sl %d pkey 0x%04x",
__entry->dev_index, __entry->port_num, __entry->qp_num,
__entry->wc_status,
__entry->length,
__entry->base_version, __entry->mgmt_class,
__entry->class_version, __entry->method,
be16_to_cpu(__entry->status),
be16_to_cpu(__entry->class_specific),
be64_to_cpu(__entry->tid), be16_to_cpu(__entry->attr_id),
be32_to_cpu(__entry->attr_mod),
__entry->slid, __entry->src_qp, __entry->sl, __entry->pkey
)
);
#endif /* _TRACE_IB_MAD_H */ #endif /* _TRACE_IB_MAD_H */