IB/MAD: Add send path trace points
Use the standard Linux trace mechanism to trace MADs being sent. 4 trace points are added, when the MAD is posted to the qp, when the MAD is completed, if a MAD is resent, and when the MAD completes in error. Reviewed-by: "Ruhl, Michael J" <michael.j.ruhl@intel.com> Suggested-by: Steven Rostedt (VMware) <rostedt@goodmis.org> 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
committed by
Jason Gunthorpe
Jason Gunthorpe
parent
2dd0cf77c9
commit
4d60cad5db
@@ -0,0 +1,187 @@
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/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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/*
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* Copyright (c) 2018 Intel Corporation. All rights reserved.
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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM ib_mad
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#if !defined(_TRACE_IB_MAD_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_IB_MAD_H
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#include <linux/tracepoint.h>
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#include <rdma/ib_mad.h>
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#ifdef CONFIG_TRACEPOINTS
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struct trace_event_raw_ib_mad_send_template;
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static void create_mad_addr_info(struct ib_mad_send_wr_private *mad_send_wr,
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struct ib_mad_qp_info *qp_info,
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struct trace_event_raw_ib_mad_send_template *entry);
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#endif
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DECLARE_EVENT_CLASS(ib_mad_send_template,
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TP_PROTO(struct ib_mad_send_wr_private *wr,
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struct ib_mad_qp_info *qp_info),
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TP_ARGS(wr, qp_info),
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TP_STRUCT__entry(
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__field(u8, base_version)
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__field(u8, mgmt_class)
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__field(u8, class_version)
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__field(u8, port_num)
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__field(u32, qp_num)
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__field(u8, method)
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__field(u8, sl)
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__field(u16, attr_id)
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__field(u32, attr_mod)
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__field(u64, wrtid)
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__field(u64, tid)
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__field(u16, status)
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__field(u16, class_specific)
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__field(u32, length)
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__field(u32, dlid)
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__field(u32, rqpn)
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__field(u32, rqkey)
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__field(u32, dev_index)
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__field(void *, agent_priv)
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__field(unsigned long, timeout)
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__field(int, retries_left)
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__field(int, max_retries)
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__field(int, retry)
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__field(u16, pkey)
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),
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TP_fast_assign(
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__entry->dev_index = wr->mad_agent_priv->agent.device->index;
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__entry->port_num = wr->mad_agent_priv->agent.port_num;
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__entry->qp_num = wr->mad_agent_priv->qp_info->qp->qp_num;
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__entry->agent_priv = wr->mad_agent_priv;
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__entry->wrtid = wr->tid;
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__entry->max_retries = wr->max_retries;
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__entry->retries_left = wr->retries_left;
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__entry->retry = wr->retry;
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__entry->timeout = wr->timeout;
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__entry->length = wr->send_buf.hdr_len +
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wr->send_buf.data_len;
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__entry->base_version =
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((struct ib_mad_hdr *)wr->send_buf.mad)->base_version;
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__entry->mgmt_class =
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((struct ib_mad_hdr *)wr->send_buf.mad)->mgmt_class;
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__entry->class_version =
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((struct ib_mad_hdr *)wr->send_buf.mad)->class_version;
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__entry->method =
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((struct ib_mad_hdr *)wr->send_buf.mad)->method;
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__entry->status =
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((struct ib_mad_hdr *)wr->send_buf.mad)->status;
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__entry->class_specific =
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((struct ib_mad_hdr *)wr->send_buf.mad)->class_specific;
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__entry->tid = ((struct ib_mad_hdr *)wr->send_buf.mad)->tid;
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__entry->attr_id =
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((struct ib_mad_hdr *)wr->send_buf.mad)->attr_id;
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__entry->attr_mod =
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((struct ib_mad_hdr *)wr->send_buf.mad)->attr_mod;
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create_mad_addr_info(wr, qp_info, __entry);
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),
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TP_printk("%d:%d QP%d agent %p: " \
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"wrtid 0x%llx; %d/%d retries(%d); timeout %lu length %d : " \
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"hdr : base_ver 0x%x class 0x%x class_ver 0x%x " \
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"method 0x%x status 0x%x class_specific 0x%x tid 0x%llx " \
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"attr_id 0x%x attr_mod 0x%x => dlid 0x%08x sl %d "\
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"pkey 0x%x rpqn 0x%x rqpkey 0x%x",
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__entry->dev_index, __entry->port_num, __entry->qp_num,
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__entry->agent_priv, be64_to_cpu(__entry->wrtid),
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__entry->retries_left, __entry->max_retries,
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__entry->retry, __entry->timeout, __entry->length,
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__entry->base_version, __entry->mgmt_class,
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__entry->class_version,
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__entry->method, be16_to_cpu(__entry->status),
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be16_to_cpu(__entry->class_specific),
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be64_to_cpu(__entry->tid), be16_to_cpu(__entry->attr_id),
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be32_to_cpu(__entry->attr_mod),
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be32_to_cpu(__entry->dlid), __entry->sl, __entry->pkey,
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__entry->rqpn, __entry->rqkey
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)
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);
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DEFINE_EVENT(ib_mad_send_template, ib_mad_error_handler,
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TP_PROTO(struct ib_mad_send_wr_private *wr,
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struct ib_mad_qp_info *qp_info),
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TP_ARGS(wr, qp_info));
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DEFINE_EVENT(ib_mad_send_template, ib_mad_ib_send_mad,
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TP_PROTO(struct ib_mad_send_wr_private *wr,
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struct ib_mad_qp_info *qp_info),
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TP_ARGS(wr, qp_info));
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DEFINE_EVENT(ib_mad_send_template, ib_mad_send_done_resend,
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TP_PROTO(struct ib_mad_send_wr_private *wr,
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struct ib_mad_qp_info *qp_info),
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TP_ARGS(wr, qp_info));
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TRACE_EVENT(ib_mad_send_done_handler,
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TP_PROTO(struct ib_mad_send_wr_private *wr, struct ib_wc *wc),
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TP_ARGS(wr, wc),
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TP_STRUCT__entry(
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__field(u8, port_num)
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__field(u8, base_version)
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__field(u8, mgmt_class)
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__field(u8, class_version)
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__field(u32, qp_num)
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__field(u64, wrtid)
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__field(u16, status)
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__field(u16, wc_status)
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__field(u32, length)
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__field(void *, agent_priv)
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__field(unsigned long, timeout)
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__field(u32, dev_index)
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__field(int, retries_left)
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__field(int, max_retries)
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__field(int, retry)
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__field(u8, method)
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),
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TP_fast_assign(
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__entry->dev_index = wr->mad_agent_priv->agent.device->index;
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__entry->port_num = wr->mad_agent_priv->agent.port_num;
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__entry->qp_num = wr->mad_agent_priv->qp_info->qp->qp_num;
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__entry->agent_priv = wr->mad_agent_priv;
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__entry->wrtid = wr->tid;
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__entry->max_retries = wr->max_retries;
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__entry->retries_left = wr->retries_left;
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__entry->retry = wr->retry;
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__entry->timeout = wr->timeout;
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__entry->base_version =
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((struct ib_mad_hdr *)wr->send_buf.mad)->base_version;
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__entry->mgmt_class =
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((struct ib_mad_hdr *)wr->send_buf.mad)->mgmt_class;
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__entry->class_version =
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((struct ib_mad_hdr *)wr->send_buf.mad)->class_version;
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__entry->method =
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((struct ib_mad_hdr *)wr->send_buf.mad)->method;
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__entry->status =
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((struct ib_mad_hdr *)wr->send_buf.mad)->status;
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__entry->wc_status = wc->status;
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__entry->length = wc->byte_len;
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),
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TP_printk("%d:%d QP%d : SEND WC Status %d : agent %p: " \
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"wrtid 0x%llx %d/%d retries(%d) timeout %lu length %d: " \
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"hdr : base_ver 0x%x class 0x%x class_ver 0x%x " \
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"method 0x%x status 0x%x",
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__entry->dev_index, __entry->port_num, __entry->qp_num,
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__entry->wc_status,
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__entry->agent_priv, be64_to_cpu(__entry->wrtid),
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__entry->retries_left, __entry->max_retries,
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__entry->retry, __entry->timeout,
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__entry->length,
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__entry->base_version, __entry->mgmt_class,
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__entry->class_version, __entry->method,
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be16_to_cpu(__entry->status)
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)
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);
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#endif /* _TRACE_IB_MAD_H */
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#include <trace/define_trace.h>
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