From e453039f8bf44abf82f3ecfb34177e0cb04bce12 Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Wed, 22 Dec 2010 12:39:41 -0800
Subject: [PATCH] ocfs2/cluster: Track process message timing stats for each
socket
Tracks total time taken to process messages received on a socket.
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
fs/ocfs2/cluster/tcp.c | 15 +++++++++++++++
fs/ocfs2/cluster/tcp_internal.h | 2 ++
2 files changed, 17 insertions(+)
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index 4d61e19d6146..bc2309554d0b 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -209,6 +209,11 @@ static inline void o2net_set_func_stop_time(struct o2net_sock_container *sc)
{
sc->sc_tv_func_stop = ktime_get();
}
+
+static ktime_t o2net_get_func_run_time(struct o2net_sock_container *sc)
+{
+ return ktime_sub(sc->sc_tv_func_stop, sc->sc_tv_func_start);
+}
#else /* CONFIG_DEBUG_FS */
# define o2net_init_nst(a, b, c, d, e)
# define o2net_set_nst_sock_time(a)
@@ -222,6 +227,7 @@ static inline void o2net_set_func_stop_time(struct o2net_sock_container *sc)
# define o2net_set_advance_stop_time(a)
# define o2net_set_func_start_time(a)
# define o2net_set_func_stop_time(a)
+# define o2net_get_func_run_time(a) (ktime_t)0
#endif /* CONFIG_DEBUG_FS */
#ifdef CONFIG_OCFS2_FS_STATS
@@ -240,6 +246,13 @@ static void o2net_update_send_stats(struct o2net_send_tracking *nst,
sc->sc_send_count++;
}
+static void o2net_update_recv_stats(struct o2net_sock_container *sc)
+{
+ sc->sc_tv_process_total = ktime_add(sc->sc_tv_process_total,
+ o2net_get_func_run_time(sc));
+ sc->sc_recv_count++;
+}
+
#else
# define o2net_update_send_stats(a, b)
@@ -1238,6 +1251,8 @@ static int o2net_process_message(struct o2net_sock_container *sc,
nmh->nh_func_data, &ret_data);
o2net_set_func_stop_time(sc);
+ o2net_update_recv_stats(sc);
+
out_respond:
/* this destroys the hdr, so don't use it after this */
mutex_lock(&sc->sc_send_lock);
diff --git a/fs/ocfs2/cluster/tcp_internal.h b/fs/ocfs2/cluster/tcp_internal.h
index 640c6fcef720..4cbcb65784a3 100644
--- a/fs/ocfs2/cluster/tcp_internal.h
+++ b/fs/ocfs2/cluster/tcp_internal.h
@@ -184,6 +184,8 @@ struct o2net_sock_container {
ktime_t sc_tv_send_total;
ktime_t sc_tv_status_total;
u32 sc_send_count;
+ u32 sc_recv_count;
+ ktime_t sc_tv_process_total;
#endif
struct mutex sc_send_lock;
};
--
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