diff options
| author | Jack Wang <jinpu.wang@cloud.ionos.com> | 2020-05-11 15:51:17 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-05-17 18:57:15 -0300 |
| commit | c4f07c60bb021dd76382457e23d72ca078bb6f13 (patch) | |
| tree | 53e6286289b9c38aed2f8d820eba97f0aeb89812 /drivers/infiniband/ulp | |
| parent | 9cb837480424e78ed585376f944088246685aec3 (diff) | |
RDMA/rtrs: server: statistics functions
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>
Diffstat (limited to 'drivers/infiniband/ulp')
| -rw-r--r-- | drivers/infiniband/ulp/rtrs/rtrs-srv-stats.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv-stats.c b/drivers/infiniband/ulp/rtrs/rtrs-srv-stats.c new file mode 100644 index 000000000000..e102b1368d0c --- /dev/null +++ b/drivers/infiniband/ulp/rtrs/rtrs-srv-stats.c @@ -0,0 +1,38 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * RDMA Transport Layer + * + * Copyright (c) 2014 - 2018 ProfitBricks GmbH. All rights reserved. + * Copyright (c) 2018 - 2019 1&1 IONOS Cloud GmbH. All rights reserved. + * Copyright (c) 2019 - 2020 1&1 IONOS SE. All rights reserved. + */ +#undef pr_fmt +#define pr_fmt(fmt) KBUILD_MODNAME " L" __stringify(__LINE__) ": " fmt + +#include "rtrs-srv.h" + +int rtrs_srv_reset_rdma_stats(struct rtrs_srv_stats *stats, bool enable) +{ + if (enable) { + struct rtrs_srv_stats_rdma_stats *r = &stats->rdma_stats; + + memset(r, 0, sizeof(*r)); + return 0; + } + + return -EINVAL; +} + +ssize_t rtrs_srv_stats_rdma_to_str(struct rtrs_srv_stats *stats, + char *page, size_t len) +{ + struct rtrs_srv_stats_rdma_stats *r = &stats->rdma_stats; + struct rtrs_srv_sess *sess = stats->sess; + + return scnprintf(page, len, "%lld %lld %lld %lld %u\n", + (s64)atomic64_read(&r->dir[READ].cnt), + (s64)atomic64_read(&r->dir[READ].size_total), + (s64)atomic64_read(&r->dir[WRITE].cnt), + (s64)atomic64_read(&r->dir[WRITE].size_total), + atomic_read(&sess->ids_inflight)); +} |