[PATCH 1/3] smpschedaffinity01: New test. This test verifies that affinity is honored when set prior to task start.
jennifer
jennifer.averett at oarcorp.com
Wed Jun 11 19:18:51 UTC 2014
From: Jennifer Averett <jennifer.averett at oarcorp.com>
---
testsuites/smptests/Makefile.am | 1 +
testsuites/smptests/configure.ac | 1 +
testsuites/smptests/smpschedaffinity01/Makefile.am | 19 +++
testsuites/smptests/smpschedaffinity01/init.c | 173 +++++++++++++++++++++
.../smpschedaffinity01/smpschedaffinity01.doc | 11 ++
.../smpschedaffinity01/smpschedaffinity01.scn | 15 ++
6 files changed, 220 insertions(+)
create mode 100644 testsuites/smptests/smpschedaffinity01/Makefile.am
create mode 100644 testsuites/smptests/smpschedaffinity01/init.c
create mode 100644 testsuites/smptests/smpschedaffinity01/smpschedaffinity01.doc
create mode 100644 testsuites/smptests/smpschedaffinity01/smpschedaffinity01.scn
diff --git a/testsuites/smptests/Makefile.am b/testsuites/smptests/Makefile.am
index 8c2ac7b..4a6d22b 100644
--- a/testsuites/smptests/Makefile.am
+++ b/testsuites/smptests/Makefile.am
@@ -23,6 +23,7 @@ SUBDIRS += smplock01
SUBDIRS += smpmigration01
SUBDIRS += smpmigration02
SUBDIRS += smpmrsp01
+SUBDIRS += smpschedaffinity01
SUBDIRS += smpscheduler01
SUBDIRS += smpscheduler02
SUBDIRS += smpscheduler03
diff --git a/testsuites/smptests/configure.ac b/testsuites/smptests/configure.ac
index bdc166b..c95d801 100644
--- a/testsuites/smptests/configure.ac
+++ b/testsuites/smptests/configure.ac
@@ -81,6 +81,7 @@ smpmrsp01/Makefile
smppsxaffinity01/Makefile
smppsxaffinity02/Makefile
smppsxsignal01/Makefile
+smpschedaffinity01/Makefile
smpscheduler01/Makefile
smpscheduler02/Makefile
smpscheduler03/Makefile
diff --git a/testsuites/smptests/smpschedaffinity01/Makefile.am b/testsuites/smptests/smpschedaffinity01/Makefile.am
new file mode 100644
index 0000000..353abe1
--- /dev/null
+++ b/testsuites/smptests/smpschedaffinity01/Makefile.am
@@ -0,0 +1,19 @@
+rtems_tests_PROGRAMS = smpschedaffinity01
+smpschedaffinity01_SOURCES = init.c
+
+dist_rtems_tests_DATA = smpschedaffinity01.scn smpschedaffinity01.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 = $(smpschedaffinity01_OBJECTS)
+LINK_LIBS = $(smpschedaffinity01_LDLIBS)
+
+smpschedaffinity01$(EXEEXT): $(smpschedaffinity01_OBJECTS) $(smpschedaffinity01_DEPENDENCIES)
+ @rm -f smpschedaffinity01$(EXEEXT)
+ $(make-exe)
+
+include $(top_srcdir)/../automake/local.am
diff --git a/testsuites/smptests/smpschedaffinity01/init.c b/testsuites/smptests/smpschedaffinity01/init.c
new file mode 100644
index 0000000..1f1e32a
--- /dev/null
+++ b/testsuites/smptests/smpschedaffinity01/init.c
@@ -0,0 +1,173 @@
+/*
+ * 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.
+ */
+
+/*
+ * Start 4 tasks with affinity for each of the 4 cpus.
+ * Allow tasks to set their actual cpu value and delete themselves.
+ * Verify the actual cpu values match the expected cpu values.
+ *
+ * Init task is at a lower priority 8 and the threads
+ * with affinity are at priority 4, so the affinity task
+ * on the core init is running on will preempt it.
+ *
+ * Test tasks run and delete themselves.
+ * Init task never blocks.
+ */
+
+#ifdef HAVE_CONFIG_H
+ #include "config.h"
+#endif
+
+#include <rtems.h>
+
+#include "tmacros.h"
+
+const char rtems_test_name[] = "SMPSCHEDAFFINITY 1";
+
+#define NUM_CPUS 4
+#define TASK_COUNT 5
+
+struct task_data_t {
+ rtems_id id;
+ int expected_cpu;
+ cpu_set_t cpuset;
+ bool ran;
+ int actual_cpu;
+};
+
+static struct task_data_t task_data[NUM_CPUS] = {
+ {0x0, 2, {{0x4}}, false, -1},
+ {0x0, 0, {{0x1}}, false, -1},
+ {0x0, 3, {{0x8}}, false, -1},
+ {0x0, 1, {{0x2}}, false, -1}
+};
+
+/*
+ * Spin loop to allow tasks to delay without yeilding the
+ * processor.
+ */
+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(rtems_task_argument arg)
+{
+ uint32_t cpu;
+ cpu_set_t cpuset;
+
+ cpu = rtems_get_current_processor();
+
+ rtems_task_get_affinity( rtems_task_self(), sizeof(cpuset), &cpuset );
+
+ task_data[arg].ran = true;
+ task_data[arg].actual_cpu = cpu;
+
+ rtems_task_delete( RTEMS_SELF );
+}
+
+static void test(void)
+{
+ rtems_status_code sc;
+ rtems_task_argument i;
+ size_t size;
+ uint32_t cpu_count;
+
+ /* Get the number of processors that we are using. */
+ cpu_count = rtems_get_processor_count();
+
+ size = sizeof(cpu_set_t);
+
+ /* Create and start tasks on each cpu with the appropriate affinity. */
+ for (i = 0; i < NUM_CPUS; i++) {
+
+ /* Skip if this cpu doesn't exist, don't create task */
+ if ( task_data[i].expected_cpu >= cpu_count ) {
+ printf( "Skipping TA0%d because on a core we do not have\n", i );
+ continue;
+ }
+
+ sc = rtems_task_create(
+ rtems_build_name('T', 'A', '0', '0'+i),
+ 4,
+ RTEMS_MINIMUM_STACK_SIZE,
+ RTEMS_DEFAULT_MODES,
+ RTEMS_DEFAULT_ATTRIBUTES,
+ &task_data[ i ].id
+ );
+ rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+ printf("Set TA%d affinity to cpu %d\n", i, task_data[i].expected_cpu );
+ sc = rtems_task_set_affinity( task_data[ i ].id, size, &task_data[i].cpuset );
+ rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+ printf("Start TA%d on cpu %d\n", i, task_data[i].expected_cpu);
+ sc = rtems_task_start( task_data[ i ].id, task, i );
+ rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+ }
+
+ /* spin for 100 ticks */
+ test_delay(100);
+
+ printf("Verify Tasks Ran\n");
+ for (i = 0; i < NUM_CPUS; i++) {
+
+ /* Skip if this cpu doesn't exist, task doesn't exist */
+ if ( task_data[i].expected_cpu >= cpu_count ) {
+ printf( "Skipping TA0%d because on a core we do not have\n", i );
+ continue;
+ }
+
+ /* print the expected and actual values */
+ printf( "TA0%d: ran=%d expected=%d actual=%d\n",
+ i,
+ task_data[i].ran,
+ task_data[i].expected_cpu,
+ task_data[i].actual_cpu
+ );
+
+ /* Abort test if values are not as expected */
+ rtems_test_assert( task_data[i].ran == true );
+ rtems_test_assert( task_data[i].expected_cpu == task_data[i].actual_cpu );
+ }
+}
+
+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/smpschedaffinity01/smpschedaffinity01.doc b/testsuites/smptests/smpschedaffinity01/smpschedaffinity01.doc
new file mode 100644
index 0000000..f08b428
--- /dev/null
+++ b/testsuites/smptests/smpschedaffinity01/smpschedaffinity01.doc
@@ -0,0 +1,11 @@
+This file describes the directives and concepts tested by this test set.
+
+test set name: smpschedaffinity01
+
+directives:
+
+ - XXX
+
+concepts:
+
+ - Ensure that affinity is honored at task start when set before task start.
diff --git a/testsuites/smptests/smpschedaffinity01/smpschedaffinity01.scn b/testsuites/smptests/smpschedaffinity01/smpschedaffinity01.scn
new file mode 100644
index 0000000..caefb22
--- /dev/null
+++ b/testsuites/smptests/smpschedaffinity01/smpschedaffinity01.scn
@@ -0,0 +1,15 @@
+*** BEGIN OF TEST SMPSCHEDAFFINITY 1 ***
+Set TA0 affinity to cpu 2
+Start TA0 on cpu 2
+Set TA1 affinity to cpu 0
+Start TA1 on cpu 0
+Set TA2 affinity to cpu 3
+Start TA2 on cpu 3
+Set TA3 affinity to cpu 1
+Start TA3 on cpu 1
+Verify Tasks Ran
+TA00: ran=1 expected=2 actual=2
+TA01: ran=1 expected=0 actual=0
+TA02: ran=1 expected=3 actual=3
+TA03: ran=1 expected=1 actual=1
+*** END OF TEST SMPSCHEDAFFINITY 1 ***
--
1.8.1.4
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