forked from mirrors/linux
IB/rdmavt: Add tracing for cq entry and poll
The following fields are defined for filtering and triggering: - wr_id - status - opcode - qpn - length - idx Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Mike Marciniszyn
Doug Ledford
parent
2a1b7c8b8e
commit
c6ad9482fc
3 changed files with 131 additions and 0 deletions
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@ -50,6 +50,7 @@
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#include <linux/kthread.h>
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#include "cq.h"
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#include "vt.h"
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#include "trace.h"
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/**
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* rvt_cq_enter - add a new entry to the completion queue
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@ -93,6 +94,7 @@ void rvt_cq_enter(struct rvt_cq *cq, struct ib_wc *entry, bool solicited)
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}
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return;
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}
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trace_rvt_cq_enter(cq, entry, head);
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if (cq->ip) {
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wc->uqueue[head].wr_id = entry->wr_id;
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wc->uqueue[head].status = entry->status;
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@ -482,6 +484,7 @@ int rvt_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry)
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if (tail == wc->head)
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break;
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/* The kernel doesn't need a RMB since it has the lock. */
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trace_rvt_cq_poll(cq, &wc->kqueue[tail], npolled);
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*entry = wc->kqueue[tail];
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if (tail >= cq->ibcq.cqe)
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tail = 0;
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@ -52,3 +52,4 @@
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#include "trace_qp.h"
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#include "trace_tx.h"
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#include "trace_mr.h"
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#include "trace_cq.h"
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127
drivers/infiniband/sw/rdmavt/trace_cq.h
Normal file
127
drivers/infiniband/sw/rdmavt/trace_cq.h
Normal file
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@ -0,0 +1,127 @@
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/*
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* Copyright(c) 2016 Intel Corporation.
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* BSD LICENSE
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* - Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#if !defined(__RVT_TRACE_CQ_H) || defined(TRACE_HEADER_MULTI_READ)
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#define __RVT_TRACE_CQ_H
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#include <linux/tracepoint.h>
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#include <linux/trace_seq.h>
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#include <rdma/ib_verbs.h>
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#include <rdma/rdmavt_cq.h>
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM rvt_cq
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#define wc_opcode_name(opcode) { IB_WC_##opcode, #opcode }
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#define show_wc_opcode(opcode) \
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__print_symbolic(opcode, \
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wc_opcode_name(SEND), \
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wc_opcode_name(RDMA_WRITE), \
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wc_opcode_name(RDMA_READ), \
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wc_opcode_name(COMP_SWAP), \
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wc_opcode_name(FETCH_ADD), \
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wc_opcode_name(LSO), \
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wc_opcode_name(LOCAL_INV), \
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wc_opcode_name(REG_MR), \
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wc_opcode_name(MASKED_COMP_SWAP), \
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wc_opcode_name(RECV), \
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wc_opcode_name(RECV_RDMA_WITH_IMM))
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#define CQ_PRN \
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"[%s] idx %u wr_id %llx status %u opcode %u,%s length %u qpn %x"
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DECLARE_EVENT_CLASS(
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rvt_cq_entry_template,
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TP_PROTO(struct rvt_cq *cq, struct ib_wc *wc, u32 idx),
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TP_ARGS(cq, wc, idx),
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TP_STRUCT__entry(
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RDI_DEV_ENTRY(cq->rdi)
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__field(u64, wr_id)
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__field(u32, status)
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__field(u32, opcode)
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__field(u32, qpn)
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__field(u32, length)
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__field(u32, idx)
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),
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TP_fast_assign(
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RDI_DEV_ASSIGN(cq->rdi)
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__entry->wr_id = wc->wr_id;
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__entry->status = wc->status;
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__entry->opcode = wc->opcode;
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__entry->length = wc->byte_len;
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__entry->qpn = wc->qp->qp_num;
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__entry->idx = idx;
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),
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TP_printk(
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CQ_PRN,
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__get_str(dev),
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__entry->idx,
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__entry->wr_id,
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__entry->status,
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__entry->opcode, show_wc_opcode(__entry->opcode),
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__entry->length,
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__entry->qpn
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)
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);
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DEFINE_EVENT(
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rvt_cq_entry_template, rvt_cq_enter,
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TP_PROTO(struct rvt_cq *cq, struct ib_wc *wc, u32 idx),
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TP_ARGS(cq, wc, idx));
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DEFINE_EVENT(
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rvt_cq_entry_template, rvt_cq_poll,
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TP_PROTO(struct rvt_cq *cq, struct ib_wc *wc, u32 idx),
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TP_ARGS(cq, wc, idx));
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#endif /* __RVT_TRACE_CQ_H */
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#undef TRACE_INCLUDE_PATH
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_PATH .
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#define TRACE_INCLUDE_FILE trace_cq
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#include <trace/define_trace.h>
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