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authorChuck Lever <cel@netapp.com>2006-03-20 13:44:16 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-03-20 13:44:16 -0500
commit262ca07de4d7f1bff20361c1353bb14b3607afb2 (patch)
treee448a66b4549bbd660f76e81da0067d762a4732e /include/linux/sunrpc
parente19b63dafdf7d615b0d36b90990a07e7792b9d3a (diff)
SUNRPC: add a handful of per-xprt counters
Monitor generic transport events. Add a transport switch callout to format transport counters for export to user-land. Test plan: Compile kernel with CONFIG_NFS enabled. Signed-off-by: Chuck Lever <cel@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/sunrpc')
-rw-r--r--include/linux/sunrpc/xprt.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 6ef99b14ff0..7eebbab7160 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -114,6 +114,7 @@ struct rpc_xprt_ops {
void (*release_request)(struct rpc_task *task);
void (*close)(struct rpc_xprt *xprt);
void (*destroy)(struct rpc_xprt *xprt);
+ void (*print_stats)(struct rpc_xprt *xprt, struct seq_file *seq);
};
struct rpc_xprt {
@@ -187,6 +188,18 @@ struct rpc_xprt {
struct list_head recv;
+ struct {
+ unsigned long bind_count, /* total number of binds */
+ connect_count, /* total number of connects */
+ connect_start, /* connect start timestamp */
+ connect_time, /* jiffies waiting for connect */
+ sends, /* how many complete requests */
+ recvs, /* how many complete requests */
+ bad_xids; /* lookup_rqst didn't find XID */
+
+ unsigned long long req_u, /* average requests on the wire */
+ bklog_u; /* backlog queue utilization */
+ } stat;
void (*old_data_ready)(struct sock *, int);
void (*old_state_change)(struct sock *);