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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 <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2017-08-22 11:19:35 -04:00 committed by Anna Schumaker
parent 6748b0caf8
commit 67af6f652f
1 changed files with 8 additions and 5 deletions
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13
net/sunrpc/xprtrdma/xprt_rdma.h
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@ -441,24 +441,27 @@ struct rpcrdma_create_data_internal {
* Statistics for RPCRDMA * Statistics for RPCRDMA
*/ */
struct rpcrdma_stats { struct rpcrdma_stats {
/* accessed when sending a call */
unsigned long read_chunk_count; unsigned long read_chunk_count;
unsigned long write_chunk_count; unsigned long write_chunk_count;
unsigned long reply_chunk_count; unsigned long reply_chunk_count;
unsigned long long total_rdma_request; 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 pullup_copy_count;
unsigned long long fixup_copy_count;
unsigned long hardway_register_count; unsigned long hardway_register_count;
unsigned long failed_marshal_count; unsigned long failed_marshal_count;
unsigned long bad_reply_count; unsigned long bad_reply_count;
unsigned long nomsg_call_count;
unsigned long bcall_count;
unsigned long mrs_recovered; unsigned long mrs_recovered;
unsigned long mrs_orphaned; unsigned long mrs_orphaned;
unsigned long mrs_allocated; 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 local_inv_needed;
unsigned long nomsg_call_count;
unsigned long bcall_count;
}; };
/* /*