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-rw-r--r--testsuites/smptests/smpschedaffinity01/init.c173
1 files changed, 173 insertions, 0 deletions
diff --git a/testsuites/smptests/smpschedaffinity01/init.c b/testsuites/smptests/smpschedaffinity01/init.c
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+++ b/testsuites/smptests/smpschedaffinity01/init.c
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+/*
+ * 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>