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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>
This commit is contained in:
Sunil Mushran 2010-12-22 12:39:40 -08:00 committed by Joel Becker
parent ff1becbf85
commit 3c193b3807
2 changed files with 30 additions and 0 deletions
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24
fs/ocfs2/cluster/tcp.c
View File

@ -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. */

6
fs/ocfs2/cluster/tcp_internal.h
View File

@ -178,6 +178,12 @@ struct o2net_sock_container {
ktime_t sc_tv_advance_stop;
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;
};