linux/drivers/infiniband/sw/rdmavt/trace.h

/*
 * Copyright(c) 2016 Intel Corporation.
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * GPL LICENSE SUMMARY
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * BSD LICENSE
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  - Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  - Neither the name of Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#undef TRACE_SYSTEM_VAR
#define TRACE_SYSTEM_VAR rdmavt

#if !defined(__RDMAVT_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#define __RDMAVT_TRACE_H

#include <linux/tracepoint.h>
#include <linux/trace_seq.h>

#include <rdma/ib_verbs.h>
#include <rdma/rdma_vt.h>

#define RDI_DEV_ENTRY(rdi)   __string(dev, rdi->driver_f.get_card_name(rdi))
#define RDI_DEV_ASSIGN(rdi)  __assign_str(dev, rdi->driver_f.get_card_name(rdi))

#undef TRACE_SYSTEM
#define TRACE_SYSTEM rdmavt

TRACE_EVENT(rvt_dbg,
	TP_PROTO(struct rvt_dev_info *rdi,
		 const char *msg),
	TP_ARGS(rdi, msg),
	TP_STRUCT__entry(
		RDI_DEV_ENTRY(rdi)
		__string(msg, msg)
	),
	TP_fast_assign(
		RDI_DEV_ASSIGN(rdi);
		__assign_str(msg, msg);
	),
	TP_printk("[%s]: %s", __get_str(dev), __get_str(msg))
);

#undef TRACE_SYSTEM
#define TRACE_SYSTEM rvt_qphash
DECLARE_EVENT_CLASS(rvt_qphash_template,
	TP_PROTO(struct rvt_qp *qp, u32 bucket),
	TP_ARGS(qp, bucket),
	TP_STRUCT__entry(
		RDI_DEV_ENTRY(ib_to_rvt(qp->ibqp.device))
		__field(u32, qpn)
		__field(u32, bucket)
	),
	TP_fast_assign(
		RDI_DEV_ASSIGN(ib_to_rvt(qp->ibqp.device))
		__entry->qpn = qp->ibqp.qp_num;
		__entry->bucket = bucket;
	),
	TP_printk(
		"[%s] qpn 0x%x bucket %u",
		__get_str(dev),
		__entry->qpn,
		__entry->bucket
	)
);

DEFINE_EVENT(rvt_qphash_template, rvt_qpinsert,
	TP_PROTO(struct rvt_qp *qp, u32 bucket),
	TP_ARGS(qp, bucket));

DEFINE_EVENT(rvt_qphash_template, rvt_qpremove,
	TP_PROTO(struct rvt_qp *qp, u32 bucket),
	TP_ARGS(qp, bucket));

#undef TRACE_SYSTEM
#define TRACE_SYSTEM rvt_tx

#define wr_opcode_name(opcode) { IB_WR_##opcode, #opcode  }
#define show_wr_opcode(opcode)                             \
__print_symbolic(opcode,                                   \
	wr_opcode_name(RDMA_WRITE),                        \
	wr_opcode_name(RDMA_WRITE_WITH_IMM),               \
	wr_opcode_name(SEND),                              \
	wr_opcode_name(SEND_WITH_IMM),                     \
	wr_opcode_name(RDMA_READ),                         \
	wr_opcode_name(ATOMIC_CMP_AND_SWP),                \
	wr_opcode_name(ATOMIC_FETCH_AND_ADD),              \
	wr_opcode_name(LSO),                               \
	wr_opcode_name(SEND_WITH_INV),                     \
	wr_opcode_name(RDMA_READ_WITH_INV),                \
	wr_opcode_name(LOCAL_INV),                         \
	wr_opcode_name(MASKED_ATOMIC_CMP_AND_SWP),         \
	wr_opcode_name(MASKED_ATOMIC_FETCH_AND_ADD))

#define POS_PRN \
"[%s] wr_id %llx qpn %x psn 0x%x lpsn 0x%x length %u opcode 0x%.2x,%s size %u avail %u head %u last %u"

TRACE_EVENT(
	rvt_post_one_wr,
	TP_PROTO(struct rvt_qp *qp, struct rvt_swqe *wqe),
	TP_ARGS(qp, wqe),
	TP_STRUCT__entry(
		RDI_DEV_ENTRY(ib_to_rvt(qp->ibqp.device))
		__field(u64, wr_id)
		__field(u32, qpn)
		__field(u32, psn)
		__field(u32, lpsn)
		__field(u32, length)
		__field(u32, opcode)
		__field(u32, size)
		__field(u32, avail)
		__field(u32, head)
		__field(u32, last)
	),
	TP_fast_assign(
		RDI_DEV_ASSIGN(ib_to_rvt(qp->ibqp.device))
		__entry->wr_id = wqe->wr.wr_id;
		__entry->qpn = qp->ibqp.qp_num;
		__entry->psn = wqe->psn;
		__entry->lpsn = wqe->lpsn;
		__entry->length = wqe->length;
		__entry->opcode = wqe->wr.opcode;
		__entry->size = qp->s_size;
		__entry->avail = qp->s_avail;
		__entry->head = qp->s_head;
		__entry->last = qp->s_last;
	),
	TP_printk(
		POS_PRN,
		__get_str(dev),
		__entry->wr_id,
		__entry->qpn,
		__entry->psn,
		__entry->lpsn,
		__entry->length,
		__entry->opcode, show_wr_opcode(__entry->opcode),
		__entry->size,
		__entry->avail,
		__entry->head,
		__entry->last
	)
);

#endif /* __RDMAVT_TRACE_H */

#undef TRACE_INCLUDE_PATH
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE trace
#include <trace/define_trace.h>