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Commit 3c193b38 authored by Sunil Mushran's avatar Sunil Mushran Committed by Joel Becker
Browse files

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: default avatarSunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: default avatarJoel Becker <joel.becker@oracle.com>
parent ff1becbf

fs/ocfs2/cluster/tcp.c

+24 −0
Original line number Diff line number Diff line
@@ -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. */

fs/ocfs2/cluster/tcp_internal.h

+6 −0
Original line number Diff line number Diff line
@@ -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;

};