opensm SA DB dump/restore: added option to dump SA DB on every sweep

index 871a833..7bc59f8 100644
@@ -201,6 +201,7 @@ typedef struct osm_subn_opt {
 	char *guid_routing_order_file;
 	char *sa_db_file;
 	boolean_t sa_db_load_once;
+	boolean_t sa_db_dump;
 	boolean_t do_mesh_analysis;
 	boolean_t exit_on_fatal;
 	boolean_t honor_guid2lid_file;

@@ -416,6 +417,10 @@ typedef struct osm_subn_opt {
 *		When TRUE causes sa_db_file to be loaded only at the
 *		first master sweep.
 *
+*	sa_db_dump
+*		When TRUE causes OpenSM to dump SA DB at the end of every
+*		light sweep regardless the current verbosity level.
+*
 *	exit_on_fatal
 *		If TRUE (default) - SM will exit on fatal subnet initialization
 *		issues.

index 315c83e..ef88de4 100644
@@ -1090,6 +1090,8 @@ static void do_sweep(osm_sm_t * sm)
 		if (wait_for_pending_transactions(&sm->p_subn->p_osm->stats))
 			return;
 		if (!sm->p_subn->force_heavy_sweep) {
+			if (sm->p_subn->opt.sa_db_dump)
+				osm_sa_db_file_dump(sm->p_subn->p_osm);
 			OSM_LOG_MSG_BOX(sm->p_log, OSM_LOG_VERBOSE,
 					"LIGHT SWEEP COMPLETE");
 			return;

@@ -1354,7 +1356,8 @@ _repeat_discovery:
 		state_mgr_up_msg(sm);
 		sm->p_subn->first_time_master_sweep = FALSE;
 
-		if (osm_log_is_active(sm->p_log, OSM_LOG_VERBOSE))
+		if (osm_log_is_active(sm->p_log, OSM_LOG_VERBOSE) ||
+		    sm->p_subn->opt.sa_db_dump)
 			osm_sa_db_file_dump(sm->p_subn->p_osm);
 	}
 

index e9cfe9c..8f35a57 100644
@@ -349,6 +349,7 @@ static const opt_rec_t opt_tbl[] = {
 	{ "guid_routing_order_file", OPT_OFFSET(guid_routing_order_file), opts_parse_charp, NULL, 0 },
 	{ "sa_db_file", OPT_OFFSET(sa_db_file), opts_parse_charp, NULL, 0 },
 	{ "sa_db_load_once", OPT_OFFSET(sa_db_load_once), opts_parse_boolean, NULL, 1 },
+	{ "sa_db_dump", OPT_OFFSET(sa_db_dump), opts_parse_boolean, NULL, 1 },
 	{ "do_mesh_analysis", OPT_OFFSET(do_mesh_analysis), opts_parse_boolean, NULL, 1 },
 	{ "exit_on_fatal", OPT_OFFSET(exit_on_fatal), opts_parse_boolean, NULL, 1 },
 	{ "honor_guid2lid_file", OPT_OFFSET(honor_guid2lid_file), opts_parse_boolean, NULL, 1 },

@@ -768,6 +769,7 @@ void osm_subn_set_default_opt(IN osm_subn_opt_t * p_opt)
 	p_opt->guid_routing_order_file = NULL;
 	p_opt->sa_db_file = NULL;
 	p_opt->sa_db_load_once = FALSE;
+	p_opt->sa_db_dump = FALSE;
 	p_opt->do_mesh_analysis = FALSE;
 	p_opt->exit_on_fatal = TRUE;
 	p_opt->enable_quirks = FALSE;

@@ -1485,6 +1487,12 @@ int osm_subn_output_conf(FILE *out, IN osm_subn_opt_t * p_opts)
 		p_opts->sa_db_load_once ? "TRUE" : "FALSE");
 
 	fprintf(out,
+		"# If TRUE causes OpenSM to dump SA database at the end of\n"
+		"# every light sweep, regardless of the verbosity level\n"
+		"sa_db_dump %s\n\n",
+		p_opts->sa_db_dump ? "TRUE" : "FALSE");
+
+	fprintf(out,
 		"#\n# HANDOVER - MULTIPLE SMs OPTIONS\n#\n"
 		"# SM priority used for deciding who is the master\n"
 		"# Range goes from 0 (lowest priority) to 15 (highest).\n"