add sys pref frameworks

Author: rcitach

examples/utest/testcases/Kconfig

@@ -17,6 +17,7 @@ rsource "posix/Kconfig"
 rsource "mm/Kconfig"
 rsource "tmpfs/Kconfig"
 rsource "smp_call/Kconfig"
+rsource "pref/Kconfig"
 endif
 
 endmenu

examples/utest/testcases/pref/Kconfig

@@ -0,0 +1,32 @@
+menu "System Performance Testcase"
+
+config UTEST_SYS_PREF_TC
+    bool "system performance test"
+    default n
+
+choice
+    prompt "Select time reference for System Performance Testcase"
+    default USING_TICK_AS_TIME_REF
+    depends on UTEST_SYS_PREF_TC
+
+config USING_HWTIME_AS_TIME_REF
+    bool "Use hardware timer as time reference"
+    depends on RT_USING_HWTIMER
+
+config USING_TICK_AS_TIME_REF
+    bool "Use system tick as time reference"
+
+endchoice
+
+config UTEST_HWTIMER_DEV_NAME
+    string "Hardware timer device name"
+    default "timer0"
+    depends on USING_HWTIME_AS_TIME_REF
+    help
+        Specify the hardware timer device name used for context switch testing (e.g., timer11).
+
+config UTEST_SYS_CONTEXT_SWITCH
+    bool "system context switch test"
+    default n
+
+endmenu

examples/utest/testcases/pref/SConscript

@@ -0,0 +1,13 @@
+Import('rtconfig')
+from building import *
+
+cwd     = GetCurrentDir()
+src     = []
+CPPPATH = [cwd]
+
+if GetDepend(['UTEST_SYS_CONTEXT_SWITCH']):
+    src += ['context_switch.c']
+
+group = DefineGroup('utestcases', src, depend = ['UTEST_SYS_PREF_TC'], CPPPATH = CPPPATH)
+
+Return('group')