From: Chuck Lever Date: Tue, 22 Aug 2017 15:19:35 +0000 (-0400) Subject: xprtrdma: Re-arrange struct rx_stats X-Git-Tag: MMI-PSA29.97-13-9~4705^2~15^2 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=67af6f652f9ccad772c48f7c959ad5aa23bdfb40;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git xprtrdma: Re-arrange struct rx_stats To reduce false cacheline sharing, separate counters that are likely to be accessed in the Call path from those accessed in the Reply path. Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker --- diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index 546c26405596..45dab2475c99 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -441,24 +441,27 @@ struct rpcrdma_create_data_internal { * Statistics for RPCRDMA */ struct rpcrdma_stats { + /* accessed when sending a call */ unsigned long read_chunk_count; unsigned long write_chunk_count; unsigned long reply_chunk_count; - unsigned long long total_rdma_request; - unsigned long long total_rdma_reply; + /* rarely accessed error counters */ unsigned long long pullup_copy_count; - unsigned long long fixup_copy_count; unsigned long hardway_register_count; unsigned long failed_marshal_count; unsigned long bad_reply_count; - unsigned long nomsg_call_count; - unsigned long bcall_count; unsigned long mrs_recovered; unsigned long mrs_orphaned; unsigned long mrs_allocated; + + /* accessed when receiving a reply */ + unsigned long long total_rdma_reply; + unsigned long long fixup_copy_count; unsigned long local_inv_needed; + unsigned long nomsg_call_count; + unsigned long bcall_count; }; /*