49 int prometheus_format_one_metric(struct prometheus_metric *metric, char *buffer,  in prometheus_format_one_metric()  argument
55 	if (metric->description[0] != '\0') {  in prometheus_format_one_metric()
57 					     "# HELP %s %s\n", metric->name,  in prometheus_format_one_metric()
58 					     metric->description);  in prometheus_format_one_metric()
66 	switch (metric->type) {  in prometheus_format_one_metric()
69 					     "# TYPE %s counter\n", metric->name);  in prometheus_format_one_metric()
79 					     "# TYPE %s gauge\n", metric->name);  in prometheus_format_one_metric()
89 					     "# TYPE %s histogram\n", metric->name);  in prometheus_format_one_metric()
99 					     "# TYPE %s summary\n", metric->name);  in prometheus_format_one_metric()
109 					     "# TYPE %s untyped\n", metric->name);  in prometheus_format_one_metric()
119 	switch (metric->type) {  in prometheus_format_one_metric()
122 			CONTAINER_OF(metric, struct prometheus_counter, base);  in prometheus_format_one_metric()
126 		for (int i = 0; i < metric->num_labels; ++i) {  in prometheus_format_one_metric()
129 				"%s{%s=\"%s\"} %llu\n", metric->name, metric->labels[i].key,  in prometheus_format_one_metric()
130 				metric->labels[i].value, counter->value);  in prometheus_format_one_metric()
142 			CONTAINER_OF(metric, struct prometheus_gauge, base);  in prometheus_format_one_metric()
146 		for (int i = 0; i < metric->num_labels; ++i) {  in prometheus_format_one_metric()
149 				"%s{%s=\"%s\"} %f\n", metric->name, metric->labels[i].key,  in prometheus_format_one_metric()
150 				metric->labels[i].value, gauge->value);  in prometheus_format_one_metric()
162 			CONTAINER_OF(metric, struct prometheus_histogram, base);  in prometheus_format_one_metric()
169 				"%s_bucket{le=\"%f\"} %lu\n", metric->name,  in prometheus_format_one_metric()
179 					     "%s_sum %f\n", metric->name, histogram->sum);  in prometheus_format_one_metric()
186 					     "%s_count %lu\n", metric->name,  in prometheus_format_one_metric()
198 			CONTAINER_OF(metric, struct prometheus_summary, base);  in prometheus_format_one_metric()
205 				"%s{%s=\"%f\"} %f\n", metric->name, "quantile",  in prometheus_format_one_metric()
215 					     "%s_sum %f\n", metric->name, summary->sum);  in prometheus_format_one_metric()
222 					     "%s_count %lu\n", metric->name,  in prometheus_format_one_metric()
234 		LOG_ERR("Unsupported metric type %d", metric->type);  in prometheus_format_one_metric()
246 	struct prometheus_metric *metric;  in prometheus_format_exposition()  local
258 	SYS_SLIST_FOR_EACH_CONTAINER_SAFE(&collector->metrics, metric, tmp, node) {  in prometheus_format_exposition()
262 			ret = collector->user_cb(collector, metric, collector->user_data);  in prometheus_format_exposition()
274 		ret = prometheus_format_one_metric(metric, buffer, buffer_size, &written);  in prometheus_format_exposition()