tests: disable timeslicing on latency_measure

Updates the latency_measure benchmark so that its default
configuration does not enable timeslicing. As it is still
valuable to know what kind of performance overhead is
incurred by enabling timeslicing, new test configurations
have been added.

Signed-off-by: Peter Mitsis <peter.mitsis@intel.com>

tests/benchmarks/latency_measure/prj.conf

@@ -24,3 +24,6 @@ CONFIG_TIMING_FUNCTIONS=y
 
 CONFIG_HEAP_MEM_POOL_SIZE=2048
 CONFIG_APPLICATION_DEFINED_SYSCALL=y
+
+# Disable time slicing
+CONFIG_TIMESLICING=n

tests/benchmarks/latency_measure/prj_user.conf

@@ -25,3 +25,6 @@ CONFIG_TIMING_FUNCTIONS=y
 CONFIG_HEAP_MEM_POOL_SIZE=2048
 CONFIG_APPLICATION_DEFINED_SYSCALL=y
 CONFIG_USERSPACE=y
+
+# Disable time slicing
+CONFIG_TIMESLICING=n

tests/benchmarks/latency_measure/testcase.yaml

@@ -95,3 +95,41 @@ tests:
         regex: "(?P<metric>.*):(?P<cycles>.*) cycles ,(?P<nanoseconds>.*) ns"
       regex:
         - "PROJECT EXECUTION SUCCESSFUL"
+
+  # Obtain the various kernel benchmark results with time slicing enabled
+  benchmark.kernel.latency.timeslicing:
+    # FIXME: no DWT and no RTC_TIMER for qemu_cortex_m0
+    platform_exclude:
+      - qemu_cortex_m0
+      - m2gl025_miv
+    filter: CONFIG_PRINTK and not CONFIG_SOC_FAMILY_STM32
+    harness: console
+    integration_platforms:
+      - qemu_x86
+      - qemu_arc_em
+    extra_configs:
+      - CONFIG_TIMESLICING=y
+    harness_config:
+      type: one_line
+      record:
+        regex: "(?P<metric>.*):(?P<cycles>.*) cycles ,(?P<nanoseconds>.*) ns"
+      regex:
+        - "PROJECT EXECUTION SUCCESSFUL"
+
+  # Obtain the various userspace benchmark results with timeslicing enabled
+  benchmark.user.latency.timeslicing:
+    filter: CONFIG_ARCH_HAS_USERSPACE
+    timeout: 300
+    extra_args: CONF_FILE=prj_user.conf
+    harness: console
+    integration_platforms:
+      - qemu_x86
+      - qemu_cortex_a53
+    extra_configs:
+      - CONFIG_TIMESLICING=y
+    harness_config:
+      type: one_line
+      record:
+        regex: "(?P<metric>.*):(?P<cycles>.*) cycles ,(?P<nanoseconds>.*) ns"
+      regex:
+        - "PROJECT EXECUTION SUCCESSFUL"