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IB/rdmavt: Add trace of MR segs

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Add tracing of MR segment information.

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 2016-12-07 19:33:20 -08:00 committed by Doug Ledford
parent 5213006ade
commit fcb29a6668
3 changed files with 117 additions and 0 deletions
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4
drivers/infiniband/sw/rdmavt/mr.c
View File

@ -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
drivers/infiniband/sw/rdmavt/trace.h
View File

@ -51,3 +51,4 @@
#include "trace_rvt.h"
#include "trace_qp.h"
#include "trace_tx.h"
#include "trace_mr.h"

112
drivers/infiniband/sw/rdmavt/trace_mr.h Normal file
View File

@ -0,0 +1,112 @@
/*
* 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>