added --metrics-no-cores, --stats-no-cores, --stats-no-metrics. fixed #537

core/master_utils.c

@@ -913,7 +913,7 @@ struct uwsgi_stats *uwsgi_master_generate_stats() {
 		goto end;
 	}
 
-	if (uwsgi.has_metrics) {
+	if (uwsgi.has_metrics && !uwsgi.stats_no_metrics) {
 		if (uwsgi_stats_key(us, "metrics"))
                 	goto end;
 
@@ -1145,6 +1145,8 @@ struct uwsgi_stats *uwsgi_master_generate_stats() {
 		if (uwsgi_stats_list_close(us))
 			goto end;
 
+		if (uwsgi.stats_no_cores) goto nocores;
+
 		if (uwsgi_stats_comma(us))
 			goto end;
 
@@ -1206,9 +1208,12 @@ struct uwsgi_stats *uwsgi_master_generate_stats() {
 		if (uwsgi_stats_list_close(us))
 			goto end;
 
+nocores:
+
 		if (uwsgi_stats_object_close(us))
 			goto end;
 
+
 		if (i < uwsgi.numproc - 1) {
 			if (uwsgi_stats_comma(us))
 				goto end;

core/metrics.c

@@ -768,9 +768,11 @@ void uwsgi_setup_metrics() {
                 struct uwsgi_metric *vsz = uwsgi_register_metric(buf, buf2, UWSGI_METRIC_GAUGE, "ptr", &uwsgi.workers[i].vsz_size, 0, NULL);
                 if (i > 0) uwsgi_metric_add_child(total_vsz, vsz);
 
-		// skip core metrics for core 0
+		// skip core metrics for worker 0
 		if (i == 0) continue;
 
+		if (uwsgi.metrics_no_cores) continue;
+
 		int j;
 		for(j=0;j<uwsgi.cores;j++) {
 			uwsgi_metric_name2("worker.%d.core.%d.requests", i, j) ; uwsgi_metric_oid2("3.%d.2.%d.1", i, j);

core/uwsgi.c

@@ -562,6 +562,7 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"metrics-dir-restore", no_argument, 0, "restore last value taken from the metrics dir", uwsgi_opt_true, &uwsgi.metrics_dir_restore, UWSGI_OPT_METRICS|UWSGI_OPT_MASTER},
 	{"metric-dir", required_argument, 0, "export metrics as text files to the specified directory", uwsgi_opt_set_str, &uwsgi.metrics_dir, UWSGI_OPT_METRICS|UWSGI_OPT_MASTER},
 	{"metric-dir-restore", no_argument, 0, "restore last value taken from the metrics dir", uwsgi_opt_true, &uwsgi.metrics_dir_restore, UWSGI_OPT_METRICS|UWSGI_OPT_MASTER},
+	{"metrics-no-cores", no_argument, 0, "disable generation of cores-related metrics", uwsgi_opt_true, &uwsgi.metrics_no_cores, UWSGI_OPT_METRICS|UWSGI_OPT_MASTER},
 
 	{"udp", required_argument, 0, "run the udp server on the specified address", uwsgi_opt_set_str, &uwsgi.udp_socket, UWSGI_OPT_MASTER},
 	{"stats", required_argument, 0, "enable the stats server on the specified address", uwsgi_opt_set_str, &uwsgi.stats, UWSGI_OPT_MASTER},
@@ -572,6 +573,8 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"stats-push", required_argument, 0, "push the stats json to the specified destination", uwsgi_opt_add_string_list, &uwsgi.requested_stats_pushers, UWSGI_OPT_MASTER|UWSGI_OPT_METRICS},
 	{"stats-pusher-default-freq", required_argument, 0, "set the default frequency of stats pushers", uwsgi_opt_set_int, &uwsgi.stats_pusher_default_freq, UWSGI_OPT_MASTER},
 	{"stats-pushers-default-freq", required_argument, 0, "set the default frequency of stats pushers", uwsgi_opt_set_int, &uwsgi.stats_pusher_default_freq, UWSGI_OPT_MASTER},
+	{"stats-no-cores", no_argument, 0, "disable generation of cores-related stats", uwsgi_opt_true, &uwsgi.stats_no_cores, UWSGI_OPT_MASTER},
+	{"stats-no-metrics", no_argument, 0, "do not include metrics in stats output", uwsgi_opt_true, &uwsgi.stats_no_metrics, UWSGI_OPT_MASTER},
 	{"multicast", required_argument, 0, "subscribe to specified multicast group", uwsgi_opt_set_str, &uwsgi.multicast_group, UWSGI_OPT_MASTER},
 	{"multicast-ttl", required_argument, 0, "set multicast ttl", uwsgi_opt_set_int, &uwsgi.multicast_ttl, 0},
 	{"multicast-loop", required_argument, 0, "set multicast loop (default 1)", uwsgi_opt_set_int, &uwsgi.multicast_loop, 0},

uwsgi.h

@@ -2718,6 +2718,9 @@ struct uwsgi_server {
 	int alarm_cheap;
 
 	int emperor_no_blacklist;
+	int metrics_no_cores;
+	int stats_no_cores;
+	int stats_no_metrics;
 
 };