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authorSunil Mushran <sunil.mushran@oracle.com>2010-12-22 12:39:40 -0800
committerJoel Becker <joel.becker@oracle.com>2010-12-22 18:38:09 -0800
commit3c193b3807e933cf2a16d55a38debbe549195847 (patch)
treec44d0656307f0ce00abb2b8102fb6e4bb8ec7d08 /fs/ocfs2
parentff1becbf85bf4d4d4652915b7ab27db949585f6b (diff)
ocfs2/cluster: Track send message timing stats for each socket
Tracks total send and status times for all messages sent on a socket. Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Joel Becker <joel.becker@oracle.com>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/cluster/tcp.c24
-rw-r--r--fs/ocfs2/cluster/tcp_internal.h6
2 files changed, 30 insertions, 0 deletions
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index efd84833405..4d61e19d614 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -224,6 +224,28 @@ static inline void o2net_set_func_stop_time(struct o2net_sock_container *sc)
# define o2net_set_func_stop_time(a)
#endif /* CONFIG_DEBUG_FS */
+#ifdef CONFIG_OCFS2_FS_STATS
+static void o2net_update_send_stats(struct o2net_send_tracking *nst,
+ struct o2net_sock_container *sc)
+{
+ sc->sc_tv_status_total = ktime_add(sc->sc_tv_status_total,
+ ktime_sub(ktime_get(),
+ nst->st_status_time));
+ sc->sc_tv_send_total = ktime_add(sc->sc_tv_send_total,
+ ktime_sub(nst->st_status_time,
+ nst->st_send_time));
+ sc->sc_tv_acquiry_total = ktime_add(sc->sc_tv_acquiry_total,
+ ktime_sub(nst->st_send_time,
+ nst->st_sock_time));
+ sc->sc_send_count++;
+}
+
+#else
+
+# define o2net_update_send_stats(a, b)
+
+#endif /* CONFIG_OCFS2_FS_STATS */
+
static inline int o2net_reconnect_delay(void)
{
return o2nm_single_cluster->cl_reconnect_delay_ms;
@@ -1093,6 +1115,8 @@ int o2net_send_message_vec(u32 msg_type, u32 key, struct kvec *caller_vec,
o2net_set_nst_status_time(&nst);
wait_event(nsw.ns_wq, o2net_nsw_completed(nn, &nsw));
+ o2net_update_send_stats(&nst, sc);
+
/* Note that we avoid overwriting the callers status return
* variable if a system error was reported on the other
* side. Callers beware. */
diff --git a/fs/ocfs2/cluster/tcp_internal.h b/fs/ocfs2/cluster/tcp_internal.h
index f8157633391..640c6fcef72 100644
--- a/fs/ocfs2/cluster/tcp_internal.h
+++ b/fs/ocfs2/cluster/tcp_internal.h
@@ -179,6 +179,12 @@ struct o2net_sock_container {
ktime_t sc_tv_func_start;
ktime_t sc_tv_func_stop;
#endif
+#ifdef CONFIG_OCFS2_FS_STATS
+ ktime_t sc_tv_acquiry_total;
+ ktime_t sc_tv_send_total;
+ ktime_t sc_tv_status_total;
+ u32 sc_send_count;
+#endif
struct mutex sc_send_lock;
};