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>
This commit is contained in:

zatwierdzone przez
Jason Gunthorpe

rodzic
e1b95ae0b0
commit
4061ff7aa3
@@ -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;
|
||||
}
|
||||
|
Reference in New Issue
Block a user