Commit db42753a authored by santosh.shilimkar@oracle.com's avatar santosh.shilimkar@oracle.com Committed by David S. Miller
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RDS: IB: add mr reused stats 



Add MR reuse statistics to RDS IB transport.

Signed-off-by: default avatarSantosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: default avatarSantosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 37ea401e

net/rds/ib.h

+2 −0
Original line number Diff line number Diff line
@@ -259,6 +259,8 @@ struct rds_ib_statistics { 
	uint64_t	s_ib_rdma_mr_1m_pool_flush;

	uint64_t	s_ib_rdma_mr_1m_pool_wait;

	uint64_t	s_ib_rdma_mr_1m_pool_depleted;

	uint64_t	s_ib_rdma_mr_8k_reused;

	uint64_t	s_ib_rdma_mr_1m_reused;

	uint64_t	s_ib_atomic_cswp;

	uint64_t	s_ib_atomic_fadd;

};

net/rds/ib_rdma.c

+6 −1
Original line number Diff line number Diff line
@@ -188,8 +188,13 @@ struct rds_ib_mr *rds_ib_reuse_mr(struct rds_ib_mr_pool *pool) 
	flag = this_cpu_ptr(&clean_list_grace);

	set_bit(CLEAN_LIST_BUSY_BIT, flag);

	ret = llist_del_first(&pool->clean_list);

	if (ret)

	if (ret) {

		ibmr = llist_entry(ret, struct rds_ib_mr, llnode);

		if (pool->pool_type == RDS_IB_MR_8K_POOL)

			rds_ib_stats_inc(s_ib_rdma_mr_8k_reused);

		else

			rds_ib_stats_inc(s_ib_rdma_mr_1m_reused);

	}



	clear_bit(CLEAN_LIST_BUSY_BIT, flag);

	preempt_enable();

net/rds/ib_stats.c

+2 −0
Original line number Diff line number Diff line
@@ -73,6 +73,8 @@ static const char *const rds_ib_stat_names[] = { 
	"ib_rdma_mr_1m_pool_flush",

	"ib_rdma_mr_1m_pool_wait",

	"ib_rdma_mr_1m_pool_depleted",

	"ib_rdma_mr_8k_reused",

	"ib_rdma_mr_1m_reused",

	"ib_atomic_cswp",

	"ib_atomic_fadd",

};