[PATCH 4/6] smpschedaffinity04: New test.
Jennifer Averett
jennifer.averett at oarcorp.com
Fri Jul 11 14:44:45 UTC 2014
This test walks a secondary high prority task across
all the cores.
---
testsuites/smptests/Makefile.am | 1 +
testsuites/smptests/configure.ac | 1 +
testsuites/smptests/smpschedaffinity04/Makefile.am | 19 +++
testsuites/smptests/smpschedaffinity04/init.c | 184 +++++++++++++++++++++
.../smpschedaffinity04/smpschedaffinity04.doc | 11 ++
.../smpschedaffinity04/smpschedaffinity04.scn | 13 ++
6 files changed, 229 insertions(+)
create mode 100644 testsuites/smptests/smpschedaffinity04/Makefile.am
create mode 100644 testsuites/smptests/smpschedaffinity04/init.c
create mode 100644 testsuites/smptests/smpschedaffinity04/smpschedaffinity04.doc
create mode 100644 testsuites/smptests/smpschedaffinity04/smpschedaffinity04.scn
diff --git a/testsuites/smptests/Makefile.am b/testsuites/smptests/Makefile.am
index 961ef55..e025dab 100644
--- a/testsuites/smptests/Makefile.am
+++ b/testsuites/smptests/Makefile.am
@@ -26,6 +26,7 @@ SUBDIRS += smpmrsp01
SUBDIRS += smpschedaffinity01
SUBDIRS += smpschedaffinity02
SUBDIRS += smpschedaffinity03
+SUBDIRS += smpschedaffinity04
SUBDIRS += smpscheduler01
SUBDIRS += smpscheduler02
SUBDIRS += smpscheduler03
diff --git a/testsuites/smptests/configure.ac b/testsuites/smptests/configure.ac
index 4c21646..cb8ac65 100644
--- a/testsuites/smptests/configure.ac
+++ b/testsuites/smptests/configure.ac
@@ -84,6 +84,7 @@ smppsxsignal01/Makefile
smpschedaffinity01/Makefile
smpschedaffinity02/Makefile
smpschedaffinity03/Makefile
+smpschedaffinity04/Makefile
smpscheduler01/Makefile
smpscheduler02/Makefile
smpscheduler03/Makefile
diff --git a/testsuites/smptests/smpschedaffinity04/Makefile.am b/testsuites/smptests/smpschedaffinity04/Makefile.am
new file mode 100644
index 0000000..d75216c
--- /dev/null
+++ b/testsuites/smptests/smpschedaffinity04/Makefile.am
@@ -0,0 +1,19 @@
+rtems_tests_PROGRAMS = smpschedaffinity04
+smpschedaffinity04_SOURCES = init.c
+
+dist_rtems_tests_DATA = smpschedaffinity04.scn smpschedaffinity04.doc
+
+include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP at .cfg
+include $(top_srcdir)/../automake/compile.am
+include $(top_srcdir)/../automake/leaf.am
+
+AM_CPPFLAGS += -I$(top_srcdir)/../support/include
+
+LINK_OBJS = $(smpschedaffinity04_OBJECTS)
+LINK_LIBS = $(smpschedaffinity04_LDLIBS)
+
+smpschedaffinity04$(EXEEXT): $(smpschedaffinity04_OBJECTS) $(smpschedaffinity04_DEPENDENCIES)
+ @rm -f smpschedaffinity04$(EXEEXT)
+ $(make-exe)
+
+include $(top_srcdir)/../automake/local.am
diff --git a/testsuites/smptests/smpschedaffinity04/init.c b/testsuites/smptests/smpschedaffinity04/init.c
new file mode 100644
index 0000000..bdfc56c
--- /dev/null
+++ b/testsuites/smptests/smpschedaffinity04/init.c
@@ -0,0 +1,184 @@
+/*
+ * COPYRIGHT (c) 2014.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+/*
+ * Use the Init task to walk the higher priority TA1 across all the cores.
+ */
+
+#ifdef HAVE_CONFIG_H
+ #include "config.h"
+#endif
+
+#include <rtems.h>
+
+#include "tmacros.h"
+
+const char rtems_test_name[] = "SMPSCHEDAFFINITY 4";
+
+#define NUM_CPUS 4
+#define TASK_COUNT 2
+
+struct task_data_t {
+ rtems_id id;
+ int expected_cpu;
+ bool ran;
+ int actual_cpu;
+};
+
+struct task_data_t task_data = {
+ 0x0, 2, false, 0xff
+};
+
+rtems_id task_sem;
+
+static void task(rtems_task_argument arg);
+
+static void test_delay(int ticks)
+{
+ rtems_interval start, stop;
+ start = rtems_clock_get_ticks_since_boot();
+ do {
+ stop = rtems_clock_get_ticks_since_boot();
+ } while ( (stop - start) < ticks );
+}
+
+/*
+ * Task that continually sets the cpu and
+ * run indicators without blocking.
+ */
+static void task(rtems_task_argument arg)
+{
+ rtems_status_code sc;
+
+ while (true) {
+ sc = rtems_semaphore_obtain (task_sem, RTEMS_NO_WAIT, 0);
+ if (sc == RTEMS_SUCCESSFUL) {
+ task_data.ran = true;
+ task_data.actual_cpu = rtems_get_current_processor();
+ rtems_semaphore_release(task_sem);
+ }
+ }
+}
+
+static void test(void)
+{
+ rtems_status_code sc;
+ uint32_t cpu_count;
+ int cpu;
+ int i;
+ cpu_set_t cpuset;
+
+ /* Get the number of processors that we are using. */
+ cpu_count = rtems_get_processor_count();
+ if (cpu_count < 2) {
+ printf("Error: Test requires at least 2 cpus\n");
+ return;
+ }
+
+ printf("Create Semaphore\n");
+ sc = rtems_semaphore_create(
+ rtems_build_name('S', 'E', 'M', '0'),
+ 1, /* initial count = 1 */
+ RTEMS_LOCAL |
+ RTEMS_SIMPLE_BINARY_SEMAPHORE |
+ RTEMS_NO_INHERIT_PRIORITY |
+ RTEMS_NO_PRIORITY_CEILING |
+ RTEMS_FIFO,
+ 0,
+ &task_sem
+ );
+ rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+ /*
+ * Create and start TA1 at a higher priority
+ * than the init task.
+ */
+ sc = rtems_task_create(
+ rtems_build_name('T', 'A', '0', '1'),
+ 4,
+ RTEMS_MINIMUM_STACK_SIZE,
+ RTEMS_DEFAULT_MODES,
+ RTEMS_DEFAULT_ATTRIBUTES,
+ &task_data.id
+ );
+ rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+ printf("Start TA1\n");
+ sc = rtems_task_start( task_data.id, task, 0 );
+ rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+ /*
+ * Verify the Init task is running on the max core.
+ */
+ printf("Verify Init task is on cpu %ld\n",cpu_count-1);
+ cpu = rtems_get_current_processor();
+ rtems_test_assert(cpu == (cpu_count-1));
+
+ /* Walk TA1 across all of the cores */
+ for(i=0; i < cpu_count; i++) {
+ /* Set the Affinity to core i */
+ CPU_ZERO(&cpuset);
+ CPU_SET(i, &cpuset);
+ printf("Set Affinity TA1 to cpu %d\n", i);
+ sc = rtems_task_set_affinity( task_data.id, sizeof(cpuset), &cpuset );
+ rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+ /* Wait a bit to be sure it has switched cores then clear the task data */
+ test_delay(50);
+ while( rtems_semaphore_obtain (task_sem, RTEMS_NO_WAIT, 0) != RTEMS_SUCCESSFUL );
+ task_data.ran = false;
+ task_data.expected_cpu = i;
+ rtems_semaphore_release(task_sem);
+ test_delay(50);
+
+ /* Verify the task ran on core i */
+ while( rtems_semaphore_obtain (task_sem, RTEMS_NO_WAIT, 0) != RTEMS_SUCCESSFUL );
+ if (task_data.ran != true)
+ printf("Error: TA01 never ran.\n");
+ else
+ printf(
+ "TA1 expected cpu: %d actual cpu %d\n",
+ task_data.expected_cpu,
+ task_data.actual_cpu
+ );
+ rtems_test_assert(task_data.ran == true);
+ rtems_test_assert(task_data.expected_cpu == task_data.actual_cpu);
+ rtems_semaphore_release(task_sem);
+ }
+}
+
+static void Init(rtems_task_argument arg)
+{
+ TEST_BEGIN();
+
+ test();
+
+ TEST_END();
+ rtems_test_exit(0);
+}
+
+#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
+#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
+
+#define CONFIGURE_SMP_APPLICATION
+
+#define CONFIGURE_SCHEDULER_PRIORITY_AFFINITY_SMP
+
+#define CONFIGURE_SMP_MAXIMUM_PROCESSORS NUM_CPUS
+
+#define CONFIGURE_MAXIMUM_TASKS TASK_COUNT
+
+#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
+
+#define CONFIGURE_INIT_TASK_PRIORITY 8
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
+
+#define CONFIGURE_INIT
+
+#include <rtems/confdefs.h>
diff --git a/testsuites/smptests/smpschedaffinity04/smpschedaffinity04.doc b/testsuites/smptests/smpschedaffinity04/smpschedaffinity04.doc
new file mode 100644
index 0000000..27cf029
--- /dev/null
+++ b/testsuites/smptests/smpschedaffinity04/smpschedaffinity04.doc
@@ -0,0 +1,11 @@
+This file describes the directives and concepts tested by this test set.
+
+test set name: smpschedaffinity04
+
+directives:
+
+ - _Scheduler_priority_affinity_xxx
+
+concepts:
+
+ - Use the Init task to walk the higher priority TA1 across all the cores.
diff --git a/testsuites/smptests/smpschedaffinity04/smpschedaffinity04.scn b/testsuites/smptests/smpschedaffinity04/smpschedaffinity04.scn
new file mode 100644
index 0000000..8d4c7d3
--- /dev/null
+++ b/testsuites/smptests/smpschedaffinity04/smpschedaffinity04.scn
@@ -0,0 +1,13 @@
+*** BEGIN OF TEST SMPSCHEDAFFINITY 4 ***
+Create Semaphore
+Start TA1
+Verify Init task is on cpu 3
+Set Affinity TA1 to cpu 0
+TA1 expected cpu: 0 actual cpu 0
+Set Affinity TA1 to cpu 1
+TA1 expected cpu: 1 actual cpu 1
+Set Affinity TA1 to cpu 2
+TA1 expected cpu: 2 actual cpu 2
+Set Affinity TA1 to cpu 3
+TA1 expected cpu: 3 actual cpu 3
+*** END OF TEST SMPSCHEDAFFINITY 4 ***
--
1.8.1.4
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