diff --git a/arch/sim/Kconfig b/arch/sim/Kconfig
index 9547d3cb2c..d221f2ba0e 100644
--- a/arch/sim/Kconfig
+++ b/arch/sim/Kconfig
@@ -140,6 +140,12 @@ config SIM_WALLTIME_SIGNAL
 
 endchoice
 
+config SIM_LOOPTASK_INTERVAL
+	int "looptask interval in us"
+	default 10000
+	---help---
+		Looptask sleep time
+
 config SIM_STACKSIZE_ADJUSTMENT
 	int "The adjustment of stack size for sim"
 	default 65536
diff --git a/arch/sim/src/sim/sim_initialize.c b/arch/sim/src/sim/sim_initialize.c
index ade385e3e8..9ae9df4e58 100644
--- a/arch/sim/src/sim/sim_initialize.c
+++ b/arch/sim/src/sim/sim_initialize.c
@@ -218,7 +218,7 @@ static int sim_loop_task(int argc, char **argv)
 
       /* Sleep minimal time, let the idle run */
 
-      usleep(USEC_PER_TICK);
+      usleep(CONFIG_SIM_LOOPTASK_INTERVAL);
     }
 
   return 0;