diff --git a/configs/ez80f910200kitg/ostest/defconfig b/configs/ez80f910200kitg/ostest/defconfig
index 635ddf5f2fb..ea803227214 100644
--- a/configs/ez80f910200kitg/ostest/defconfig
+++ b/configs/ez80f910200kitg/ostest/defconfig
@@ -311,7 +311,8 @@ CONFIG_NET_RESOLV_ENTRIES=4
 
 #
 # Settings for examples/ostest
-CONFIG_OSTEST_STACKSIZE=256
+CONFIG_EXAMPLES_OSTEST_LOOPS=1
+CONFIG_EXAMPLES_OSTEST_STACKSIZE=256
 
 #
 # Settings for examples/nsh
diff --git a/configs/sim/ostest/defconfig b/configs/sim/ostest/defconfig
index a7d93ec7609..f5e7bc8f8d4 100644
--- a/configs/sim/ostest/defconfig
+++ b/configs/sim/ostest/defconfig
@@ -281,6 +281,11 @@ CONFIG_EXAMPLE_NETTEST_DRIPADDR=(192<<24|168<<16|0<<8|1)
 CONFIG_EXAMPLE_NETTEST_NETMASK=(255<<24|255<<16|255<<8|0)
 CONFIG_EXAMPLE_NETTEST_CLIENTIP=(192<<24|168<<16|0<<8|106)
 
+#
+# Settings for examples/ostest
+CONFIG_EXAMPLES_OSTEST_LOOPS=100
+CONFIG_EXAMPLES_OSTEST_STACKSIZE=8192
+
 #
 # Settings for examples/nsh
 CONFIG_EXAMPLES_NSH_TELNET=n
diff --git a/configs/z8encore000zco/ostest/defconfig b/configs/z8encore000zco/ostest/defconfig
index 8a8083b30de..9c5e5cd053f 100644
--- a/configs/z8encore000zco/ostest/defconfig
+++ b/configs/z8encore000zco/ostest/defconfig
@@ -312,7 +312,8 @@ CONFIG_NET_RESOLV_ENTRIES=4
 
 #
 # Settings for examples/ostest
-CONFIG_OSTEST_STACKSIZE=256
+CONFIG_EXAMPLES_OSTEST_LOOPS=1
+CONFIG_EXAMPLES_OSTEST_STACKSIZE=256
 
 #
 # Settings for examples/nsh
diff --git a/configs/z8f64200100kit/ostest/defconfig b/configs/z8f64200100kit/ostest/defconfig
index c7ed5aa404e..1c960717502 100644
--- a/configs/z8f64200100kit/ostest/defconfig
+++ b/configs/z8f64200100kit/ostest/defconfig
@@ -312,7 +312,8 @@ CONFIG_NET_RESOLV_ENTRIES=4
 
 #
 # Settings for examples/ostest
-CONFIG_OSTEST_STACKSIZE=256
+CONFIG_EXAMPLES_OSTEST_LOOPS=1
+CONFIG_EXAMPLES_OSTEST_STACKSIZE=256
 
 #
 # Settings for examples/nsh