diff options
| author | Erez Alfasi <ereza@mellanox.com> | 2019-10-16 09:23:08 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-10-22 15:33:31 -0300 |
| commit | 4061ff7aa379fa770a82da0ed7ec4f9163034518 (patch) | |
| tree | 44d217013964da47f3518144d8ea66a759a0aca5 /drivers/infiniband/hw/mlx5/restrack.c | |
| parent | e1b95ae0b0ea4987afca73d1dc71dfc0b8ad4e49 (diff) | |
RDMA/nldev: Provide MR statistics
Add RDMA nldev netlink interface for dumping MR statistics information.
Output example:
$ ./ibv_rc_pingpong -o -P -s 500000000
local address: LID 0x0001, QPN 0x00008a, PSN 0xf81096, GID ::
$ rdma stat show mr
dev mlx5_0 mrn 2 page_faults 122071 page_invalidations 0
Link: https://lore.kernel.org/r/20191016062308.11886-5-leon@kernel.org
Signed-off-by: Erez Alfasi <ereza@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/restrack.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/restrack.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/restrack.c b/drivers/infiniband/hw/mlx5/restrack.c index 065049f52b83..8f6c04f12531 100644 --- a/drivers/infiniband/hw/mlx5/restrack.c +++ b/drivers/infiniband/hw/mlx5/restrack.c @@ -8,6 +8,39 @@ #include <rdma/restrack.h> #include "mlx5_ib.h" +static int fill_stat_mr_entry(struct sk_buff *msg, + struct rdma_restrack_entry *res) +{ + struct ib_mr *ibmr = container_of(res, struct ib_mr, res); + struct mlx5_ib_mr *mr = to_mmr(ibmr); + struct nlattr *table_attr; + + if (!(mr->access_flags & IB_ACCESS_ON_DEMAND)) + return 0; + + table_attr = nla_nest_start(msg, + RDMA_NLDEV_ATTR_STAT_HWCOUNTERS); + + if (!table_attr) + goto err; + + if (rdma_nl_stat_hwcounter_entry(msg, "page_faults", + atomic64_read(&mr->odp_stats.faults))) + goto err_table; + if (rdma_nl_stat_hwcounter_entry( + msg, "page_invalidations", + atomic64_read(&mr->odp_stats.invalidations))) + goto err_table; + + nla_nest_end(msg, table_attr); + return 0; + +err_table: + nla_nest_cancel(msg, table_attr); +err: + return -EMSGSIZE; +} + static int fill_res_mr_entry(struct sk_buff *msg, struct rdma_restrack_entry *res) { @@ -46,3 +79,12 @@ int mlx5_ib_fill_res_entry(struct sk_buff *msg, return 0; } + +int mlx5_ib_fill_stat_entry(struct sk_buff *msg, + struct rdma_restrack_entry *res) +{ + if (res->type == RDMA_RESTRACK_MR) + return fill_stat_mr_entry(msg, res); + + return 0; +} |