forked from Minki/linux
c4f07c60bb
This introduces set of functions used on server side to account statistics of RDMA data sent/received. Link: https://lore.kernel.org/r/20200511135131.27580-12-danil.kipnis@cloud.ionos.com Signed-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* RDMA Transport Layer
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*
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* Copyright (c) 2014 - 2018 ProfitBricks GmbH. All rights reserved.
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* Copyright (c) 2018 - 2019 1&1 IONOS Cloud GmbH. All rights reserved.
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* Copyright (c) 2019 - 2020 1&1 IONOS SE. All rights reserved.
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*/
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#undef pr_fmt
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#define pr_fmt(fmt) KBUILD_MODNAME " L" __stringify(__LINE__) ": " fmt
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#include "rtrs-srv.h"
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int rtrs_srv_reset_rdma_stats(struct rtrs_srv_stats *stats, bool enable)
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{
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if (enable) {
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struct rtrs_srv_stats_rdma_stats *r = &stats->rdma_stats;
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memset(r, 0, sizeof(*r));
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return 0;
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}
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return -EINVAL;
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}
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ssize_t rtrs_srv_stats_rdma_to_str(struct rtrs_srv_stats *stats,
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char *page, size_t len)
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{
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struct rtrs_srv_stats_rdma_stats *r = &stats->rdma_stats;
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struct rtrs_srv_sess *sess = stats->sess;
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return scnprintf(page, len, "%lld %lld %lld %lld %u\n",
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(s64)atomic64_read(&r->dir[READ].cnt),
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(s64)atomic64_read(&r->dir[READ].size_total),
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(s64)atomic64_read(&r->dir[WRITE].cnt),
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(s64)atomic64_read(&r->dir[WRITE].size_total),
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atomic_read(&sess->ids_inflight));
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}
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