MT#55283 convert ng_command_stats to int64_t

Change-Id: Iab5acb85dc2b857ffc3d4cbe8128a58907474c8f

daemon/control_ng.c

@@ -872,7 +872,7 @@ static void control_ng_process_payload(ng_ctx *hctx, str *reply, str *data, cons
 	if (command_ctx.opmode >= 0 && command_ctx.opmode < OP_COUNT) {
 		mutex_lock(&cur->cmd[command_ctx.opmode].lock);
 		cur->cmd[command_ctx.opmode].count++;
-		cur->cmd[command_ctx.opmode].time = timeval_add(cur->cmd[command_ctx.opmode].time, cmd_process_time);
+		cur->cmd[command_ctx.opmode].time += timeval_us(cmd_process_time);
 		mutex_unlock(&cur->cmd[command_ctx.opmode].lock);
 	}
 

daemon/statistics.c

@@ -616,8 +616,7 @@ stats_metric_q *statistics_gather_metrics(struct interface_sampled_rate_stats *i
 
 			mn = g_strdup_printf("%sduration", ng_command_strings_short[i]);
 			lw = g_ascii_strdown(mn, -1);
-			METRICs(lw, "%.6f", (double) cur->cmd[i].time.tv_sec +
-					(double) cur->cmd[i].time.tv_usec / 1000000.);
+			METRICs(lw, "%.6f", (double) cur->cmd[i].time / 1000000.);
 			PROM("request_seconds_total", "counter");
 			PROMLAB("proxy=\"%s\",request=\"%s\"", sockaddr_print_buf(&cur->proxy),
 					ng_command_strings[i]);

include/control_ng.h

@@ -48,7 +48,7 @@ enum ng_opmode {
 struct ng_command_stats {
 	mutex_t lock;
 	unsigned int count;
-	struct timeval time;
+	int64_t time;
 };
 
 struct control_ng_stats {