Commit fcb29a66 authored by Mike Marciniszyn's avatar Mike Marciniszyn Committed by Doug Ledford
Browse files

IB/rdmavt: Add trace of MR segs



Add tracing of MR segment information.

Reviewed-by: default avatarDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: default avatarMike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: default avatarDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 5213006a
Loading
Loading
Loading
Loading
+4 −0
Original line number Diff line number Diff line
@@ -51,6 +51,7 @@
#include <rdma/rdma_vt.h>
#include "vt.h"
#include "mr.h"
#include "trace.h"

/**
 * rvt_driver_mr_init - Init MR resources per driver
@@ -403,6 +404,7 @@ struct ib_mr *rvt_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
		}
		mr->mr.map[m]->segs[n].vaddr = vaddr;
		mr->mr.map[m]->segs[n].length = umem->page_size;
		trace_rvt_mr_user_seg(&mr->mr, m, n, vaddr, umem->page_size);
		n++;
		if (n == RVT_SEGSZ) {
			m++;
@@ -507,6 +509,7 @@ static int rvt_set_page(struct ib_mr *ibmr, u64 addr)
	n = mapped_segs % RVT_SEGSZ;
	mr->mr.map[m]->segs[n].vaddr = (void *)addr;
	mr->mr.map[m]->segs[n].length = ps;
	trace_rvt_mr_page_seg(&mr->mr, m, n, (void *)addr, ps);
	mr->mr.length += ps;

	return 0;
@@ -693,6 +696,7 @@ int rvt_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
	for (i = 0; i < list_len; i++) {
		fmr->mr.map[m]->segs[n].vaddr = (void *)page_list[i];
		fmr->mr.map[m]->segs[n].length = ps;
		trace_rvt_mr_fmr_seg(&fmr->mr, m, n, (void *)page_list[i], ps);
		if (++n == RVT_SEGSZ) {
			m++;
			n = 0;
+1 −0
Original line number Diff line number Diff line
@@ -51,3 +51,4 @@
#include "trace_rvt.h"
#include "trace_qp.h"
#include "trace_tx.h"
#include "trace_mr.h"
+112 −0
Original line number Diff line number Diff line
/*
 * 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.
 *
 */
#if !defined(__RVT_TRACE_MR_H) || defined(TRACE_HEADER_MULTI_READ)
#define __RVT_TRACE_MR_H

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

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

#undef TRACE_SYSTEM
#define TRACE_SYSTEM rvt_mr
DECLARE_EVENT_CLASS(
	rvt_mr_template,
	TP_PROTO(struct rvt_mregion *mr, u16 m, u16 n, void *v, size_t len),
	TP_ARGS(mr, m, n, v, len),
	TP_STRUCT__entry(
		RDI_DEV_ENTRY(ib_to_rvt(mr->pd->device))
		__field(void *, vaddr)
		__field(struct page *, page)
		__field(size_t, len)
		__field(u32, lkey)
		__field(u16, m)
		__field(u16, n)
	),
	TP_fast_assign(
		RDI_DEV_ASSIGN(ib_to_rvt(mr->pd->device));
		__entry->vaddr = v;
		__entry->page = virt_to_page(v);
		__entry->m = m;
		__entry->n = n;
		__entry->len = len;
	),
	TP_printk(
		"[%s] vaddr %p page %p m %u n %u len %ld",
		__get_str(dev),
		__entry->vaddr,
		__entry->page,
		__entry->m,
		__entry->n,
		__entry->len
	)
);

DEFINE_EVENT(
	rvt_mr_template, rvt_mr_page_seg,
	TP_PROTO(struct rvt_mregion *mr, u16 m, u16 n, void *v, size_t len),
	TP_ARGS(mr, m, n, v, len));

DEFINE_EVENT(
	rvt_mr_template, rvt_mr_fmr_seg,
	TP_PROTO(struct rvt_mregion *mr, u16 m, u16 n, void *v, size_t len),
	TP_ARGS(mr, m, n, v, len));

DEFINE_EVENT(
	rvt_mr_template, rvt_mr_user_seg,
	TP_PROTO(struct rvt_mregion *mr, u16 m, u16 n, void *v, size_t len),
	TP_ARGS(mr, m, n, v, len));

#endif /* __RVT_TRACE_MR_H */

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