[PATCH 2/6] smpschedaffinity02: New test.
Jennifer Averett
jennifer.averett at oarcorp.com
Fri Jul 11 14:44:43 UTC 2014
This test checks setting the affinity of a secondary task
on a two core system.
---
testsuites/smptests/Makefile.am | 1 +
testsuites/smptests/configure.ac | 1 +
testsuites/smptests/smpschedaffinity02/Makefile.am | 19 ++
testsuites/smptests/smpschedaffinity02/init.c | 230 +++++++++++++++++++++
.../smpschedaffinity02/smpschedaffinity02.doc | 17 ++
.../smpschedaffinity02/smpschedaffinity02.scn | 15 ++
6 files changed, 283 insertions(+)
create mode 100644 testsuites/smptests/smpschedaffinity02/Makefile.am
create mode 100644 testsuites/smptests/smpschedaffinity02/init.c
create mode 100644 testsuites/smptests/smpschedaffinity02/smpschedaffinity02.doc
create mode 100644 testsuites/smptests/smpschedaffinity02/smpschedaffinity02.scn
diff --git a/testsuites/smptests/Makefile.am b/testsuites/smptests/Makefile.am
index 227c036..424fa28 100644
--- a/testsuites/smptests/Makefile.am
+++ b/testsuites/smptests/Makefile.am
@@ -24,6 +24,7 @@ SUBDIRS += smpmigration01
SUBDIRS += smpmigration02
SUBDIRS += smpmrsp01
SUBDIRS += smpschedaffinity01
+SUBDIRS += smpschedaffinity02
SUBDIRS += smpscheduler01
SUBDIRS += smpscheduler02
SUBDIRS += smpscheduler03
diff --git a/testsuites/smptests/configure.ac b/testsuites/smptests/configure.ac
index 88b43cd..eac0e65 100644
--- a/testsuites/smptests/configure.ac
+++ b/testsuites/smptests/configure.ac
@@ -82,6 +82,7 @@ smppsxaffinity01/Makefile
smppsxaffinity02/Makefile
smppsxsignal01/Makefile
smpschedaffinity01/Makefile
+smpschedaffinity02/Makefile
smpscheduler01/Makefile
smpscheduler02/Makefile
smpscheduler03/Makefile
diff --git a/testsuites/smptests/smpschedaffinity02/Makefile.am b/testsuites/smptests/smpschedaffinity02/Makefile.am
new file mode 100644
index 0000000..ef56a90
--- /dev/null
+++ b/testsuites/smptests/smpschedaffinity02/Makefile.am
@@ -0,0 +1,19 @@
+rtems_tests_PROGRAMS = smpschedaffinity02
+smpschedaffinity02_SOURCES = init.c
+
+dist_rtems_tests_DATA = smpschedaffinity02.scn smpschedaffinity02.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 = $(smpschedaffinity02_OBJECTS)
+LINK_LIBS = $(smpschedaffinity02_LDLIBS)
+
+smpschedaffinity02$(EXEEXT): $(smpschedaffinity02_OBJECTS) $(smpschedaffinity02_DEPENDENCIES)
+ @rm -f smpschedaffinity02$(EXEEXT)
+ $(make-exe)
+
+include $(top_srcdir)/../automake/local.am
diff --git a/testsuites/smptests/smpschedaffinity02/init.c b/testsuites/smptests/smpschedaffinity02/init.c
new file mode 100644
index 0000000..a3e0ddf
--- /dev/null
+++ b/testsuites/smptests/smpschedaffinity02/init.c
@@ -0,0 +1,230 @@
+/*
+ * 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.
+ */
+
+/*
+ * Test designed for 2 cores: Init task and TA1 task.
+ * of equal priorities.
+ *
+ * - Set TA1 affinity to core 0 verify
+ * - Set TA1 affinity to core 1 verify it does not run because
+ * the Init task never blocks
+ * - Set Init affinity to core 0 verify both tasks are on the correct cores.
+ */
+
+#ifdef HAVE_CONFIG_H
+ #include "config.h"
+#endif
+
+#include <rtems.h>
+
+#include "tmacros.h"
+
+const char rtems_test_name[] = "SMPSCHEDAFFINITY 2";
+
+#define NUM_CPUS 2
+
+struct task_data_t {
+ rtems_id id;
+ int expected_cpu;
+ cpu_set_t cpuset;
+ bool ran;
+ int actual_cpu;
+};
+
+struct task_data_t task_data = {
+ 0x0, 0, {{0x3}}, false, -1
+};
+
+rtems_id task_sem;
+
+static void task(rtems_task_argument arg);
+static void show_threads(void);
+static void task_verify( bool ran, bool change_affinity, int cpu );
+static void init_verify( int expect );
+
+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 );
+}
+
+static void task_verify( bool ran, bool change_affinity, int cpu )
+{
+ rtems_status_code sc;
+ size_t size = sizeof(cpu_set_t);
+
+ /* Obtain the semaphore without blocking */
+ while( rtems_semaphore_obtain (task_sem, RTEMS_NO_WAIT, 0) != RTEMS_SUCCESSFUL );
+
+ /* print the expected and actual values */
+ printf( "TA01: expected=%d actual=%d ran=%d\n",
+ task_data.expected_cpu,
+ task_data.actual_cpu,
+ task_data.ran
+ );
+
+ /* Verify expected results */
+ rtems_test_assert( task_data.ran == ran );
+ if (ran)
+ rtems_test_assert( task_data.expected_cpu == task_data.actual_cpu );
+
+ if (change_affinity) {
+ printf("Set TA01 to cpu %d\n", cpu);
+ CPU_ZERO(&task_data.cpuset);
+ CPU_SET(cpu, &task_data.cpuset);
+ sc = rtems_task_set_affinity( task_data.id, size, &task_data.cpuset );
+ rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+ }
+
+ /* Reset the states */
+ task_data.ran = false;
+ task_data.expected_cpu = cpu;
+
+ /* Release the semaphore */
+ rtems_semaphore_release(task_sem);
+}
+
+static void init_verify( int expect )
+{
+ int cpu;
+
+
+ test_delay(20);
+
+ cpu = rtems_get_current_processor();
+ printf( "Init: expected=%d actual=%d\n", expect, cpu);
+ rtems_test_assert( expect == cpu );
+}
+
+static void task(rtems_task_argument arg)
+{
+ rtems_status_code sc;
+
+ /* Never block and continually get core id */
+ while (true) {
+ sc = rtems_semaphore_obtain (task_sem, RTEMS_NO_WAIT, 0);
+ if (sc == RTEMS_SUCCESSFUL) {
+ task_data.actual_cpu = rtems_get_current_processor();
+ task_data.ran = true;
+ rtems_semaphore_release(task_sem);
+ }
+ }
+}
+
+static void test(void)
+{
+ rtems_status_code sc;
+ uint32_t cpu_count;
+ rtems_id id_self;
+ cpu_set_t cpuset;
+
+ /* Get the number of processors that we are using. */
+ cpu_count = rtems_get_processor_count();
+ if (cpu_count < NUM_CPUS) {
+ printf("Error: Test requires at least 2 cpus\n");
+ return;
+ }
+
+ id_self = rtems_task_self();
+
+ printf("Create Semaphore\n");
+ sc = rtems_semaphore_create(
+ rtems_build_name('S', 'E', 'M', '0'),
+ 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);
+
+ printf("Create TA1\n");
+ 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);
+
+ /* TA1 should start on cpu 0, since init starts on core 1 */
+ sc = rtems_task_start( task_data.id, task, 1 );
+ rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+ /* Verify Init task is on cpu 1 */
+ init_verify(1);
+
+ /* Verify TA1 on cpu 0 and set the affinity to cpu 0 */
+ task_verify( true, true, 0 );
+
+ /* Verify Init task is on cpu 1 */
+ init_verify(1);
+
+ /* Verify TA1 on cpu 0 and change the affinity to cpu 1 */
+ task_verify( true, true, 1 );
+
+ /* Verify Init task is on cpu 1 */
+ init_verify(1);
+
+ /* Verify TA1 did not run */
+ task_verify( false, false, 1 );
+
+ /* Set affinity of Init to cpu 0 */
+ printf("Set Affinity of init task to cpu 0\n");
+ CPU_ZERO(&cpuset);
+ CPU_SET(0, &cpuset);
+ sc = rtems_task_set_affinity( id_self, sizeof(cpuset), &cpuset );
+ rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+ /* Verify init task went to cpu 0 */
+ test_delay(50);
+ init_verify(0);
+
+ /* Verfiy TA1 is now running on cpu 1 */
+ task_verify(true, false, 1);
+}
+
+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 NUM_CPUS
+
+#define CONFIGURE_INIT_TASK_PRIORITY 4
+
+#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
+
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
+
+#define CONFIGURE_INIT
+
+#include <rtems/confdefs.h>
diff --git a/testsuites/smptests/smpschedaffinity02/smpschedaffinity02.doc b/testsuites/smptests/smpschedaffinity02/smpschedaffinity02.doc
new file mode 100644
index 0000000..0ade62a
--- /dev/null
+++ b/testsuites/smptests/smpschedaffinity02/smpschedaffinity02.doc
@@ -0,0 +1,17 @@
+This file describes the directives and concepts tested by this test set.
+
+test set name: smpschedaffinity02
+
+directives:
+
+ - _Scheduler_priority_affinity_xxx
+
+concepts:
+
+ Test designed for 2 cores: Init task and TA1 task.
+ of equal priorities.
+
+ - Set TA1 affinity to core 0 verify core
+ - Set TA1 affinity to core 1 verify it does not run because
+ the Init task never blocks
+ - Set Init affinity to core 0 verify both tasks are on the correct cores.
diff --git a/testsuites/smptests/smpschedaffinity02/smpschedaffinity02.scn b/testsuites/smptests/smpschedaffinity02/smpschedaffinity02.scn
new file mode 100644
index 0000000..b3a50a7
--- /dev/null
+++ b/testsuites/smptests/smpschedaffinity02/smpschedaffinity02.scn
@@ -0,0 +1,15 @@
+*** BEGIN OF TEST SMPSCHEDAFFINITY 2 ***
+Create Semaphore
+Create TA1
+Init: expected=1 actual=1
+TA01: expected=0 actual=0 ran=1
+Set TA01 to cpu 0
+Init: expected=1 actual=1
+TA01: expected=0 actual=0 ran=1
+Set TA01 to cpu 1
+Init: expected=1 actual=1
+TA01: expected=1 actual=0 ran=0
+Set Affinity of init task to cpu 0
+Init: expected=0 actual=0
+TA01: expected=1 actual=1 ran=1
+*** END OF TEST SMPSCHEDAFFINITY 2 ***
--
1.8.1.4
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