diff options
| author | santosh.shilimkar@oracle.com <santosh.shilimkar@oracle.com> | 2016-03-01 15:20:51 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-03-02 14:13:19 -0500 |
| commit | db42753adb638b63572583162bb08ea193947309 (patch) | |
| tree | cd47d96a3bde3e6872a9c847b8af3a8de79db3e4 /net/rds | |
| parent | 37ea401e9ccc44453da6785514bb64ad6e9c181f (diff) | |
| download | linux-stable-db42753adb638b63572583162bb08ea193947309.tar.gz linux-stable-db42753adb638b63572583162bb08ea193947309.tar.bz2 linux-stable-db42753adb638b63572583162bb08ea193947309.zip | |
RDS: IB: add mr reused stats
Add MR reuse statistics to RDS IB transport.
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rds')
| -rw-r--r-- | net/rds/ib.h | 2 | ||||
| -rw-r--r-- | net/rds/ib_rdma.c | 7 | ||||
| -rw-r--r-- | net/rds/ib_stats.c | 2 |
3 files changed, 10 insertions, 1 deletions
diff --git a/net/rds/ib.h b/net/rds/ib.h index c88cb229db16..62fe7d5330ad 100644 --- a/net/rds/ib.h +++ b/net/rds/ib.h @@ -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; }; diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c index 0e848433597f..ec7ea32265c0 100644 --- a/net/rds/ib_rdma.c +++ b/net/rds/ib_rdma.c @@ -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(); diff --git a/net/rds/ib_stats.c b/net/rds/ib_stats.c index d77e04473056..7e78dca1f252 100644 --- a/net/rds/ib_stats.c +++ b/net/rds/ib_stats.c @@ -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", }; |