IB/rdmavt: Add trace of MR segs (fcb29a66) · Commits · 方亚芬 / linux

drivers/infiniband/sw/rdmavt/mr.c

+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;

drivers/infiniband/sw/rdmavt/trace.h

+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"

drivers/infiniband/sw/rdmavt/trace_mr.h

0 → 100644

+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>