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xprtrdma: Count RDMA_NOMSG type calls 

RDMA_NOMSG type calls are less efficient than RDMA_MSG. Count NOMSG
calls so administrators can tell if they happen to be used more than
expected.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: Devesh Sharma <devesh.sharma@avagotech.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
steinar/wifi_calib_4_9_kernel
Chuck Lever 2015-08-03 13:04:45 -04:00 committed by Anna Schumaker
parent 763f7e4e4b
commit 860477d1ff
3 changed files with 5 additions and 2 deletions
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1
net/sunrpc/xprtrdma/rpc_rdma.c
View File

@ -489,6 +489,7 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst)
} else if (rqst->rq_snd_buf.flags & XDRBUF_WRITE) {
rtype = rpcrdma_readch;
} else {
r_xprt->rx_stats.nomsg_call_count++;
headerp->rm_type = htonl(RDMA_NOMSG);
rtype = rpcrdma_areadch;
rpclen = 0;

5
net/sunrpc/xprtrdma/transport.c
View File

@ -659,7 +659,7 @@ static void xprt_rdma_print_stats(struct rpc_xprt *xprt, struct seq_file *seq)
xprt->stat.bad_xids,
xprt->stat.req_u,
xprt->stat.bklog_u);
seq_printf(seq, "%lu %lu %lu %llu %llu %llu %llu %lu %lu %lu\n",
seq_printf(seq, "%lu %lu %lu %llu %llu %llu %llu %lu %lu %lu %lu\n",
r_xprt->rx_stats.read_chunk_count,
r_xprt->rx_stats.write_chunk_count,
r_xprt->rx_stats.reply_chunk_count,
@ -669,7 +669,8 @@ static void xprt_rdma_print_stats(struct rpc_xprt *xprt, struct seq_file *seq)
r_xprt->rx_stats.fixup_copy_count,
r_xprt->rx_stats.hardway_register_count,
r_xprt->rx_stats.failed_marshal_count,
r_xprt->rx_stats.bad_reply_count);
r_xprt->rx_stats.bad_reply_count,
r_xprt->rx_stats.nomsg_call_count);
}
static int

1
net/sunrpc/xprtrdma/xprt_rdma.h
View File

@ -340,6 +340,7 @@ struct rpcrdma_stats {
unsigned long hardway_register_count;
unsigned long failed_marshal_count;
unsigned long bad_reply_count;
unsigned long nomsg_call_count;
};
/*