Commit db42753a authored by santosh.shilimkar@oracle.com's avatar santosh.shilimkar@oracle.com Committed by David S. Miller

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
...@@ -259,6 +259,8 @@ struct rds_ib_statistics { ...@@ -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_flush;
uint64_t s_ib_rdma_mr_1m_pool_wait; uint64_t s_ib_rdma_mr_1m_pool_wait;
uint64_t s_ib_rdma_mr_1m_pool_depleted; 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_cswp;
uint64_t s_ib_atomic_fadd; uint64_t s_ib_atomic_fadd;
}; };
......
...@@ -188,8 +188,13 @@ struct rds_ib_mr *rds_ib_reuse_mr(struct rds_ib_mr_pool *pool) ...@@ -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); flag = this_cpu_ptr(&clean_list_grace);
set_bit(CLEAN_LIST_BUSY_BIT, flag); set_bit(CLEAN_LIST_BUSY_BIT, flag);
ret = llist_del_first(&pool->clean_list); ret = llist_del_first(&pool->clean_list);
if (ret) if (ret) {
ibmr = llist_entry(ret, struct rds_ib_mr, llnode); 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); clear_bit(CLEAN_LIST_BUSY_BIT, flag);
preempt_enable(); preempt_enable();
......
...@@ -73,6 +73,8 @@ static const char *const rds_ib_stat_names[] = { ...@@ -73,6 +73,8 @@ static const char *const rds_ib_stat_names[] = {
"ib_rdma_mr_1m_pool_flush", "ib_rdma_mr_1m_pool_flush",
"ib_rdma_mr_1m_pool_wait", "ib_rdma_mr_1m_pool_wait",
"ib_rdma_mr_1m_pool_depleted", "ib_rdma_mr_1m_pool_depleted",
"ib_rdma_mr_8k_reused",
"ib_rdma_mr_1m_reused",
"ib_atomic_cswp", "ib_atomic_cswp",
"ib_atomic_fadd", "ib_atomic_fadd",
}; };
......
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