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Commit 67af6f65 authored by Chuck Lever's avatar Chuck Lever Committed by Anna Schumaker
Browse files

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: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent 6748b0ca

net/sunrpc/xprtrdma/xprt_rdma.h

+8 −5
Original line number Diff line number Diff line
@@ -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;

};



/*