smptests/smpschedule01: New test

testsuites/smptests/Makefile.am

@@ -20,6 +20,7 @@ SUBDIRS += smpatomic05
 SUBDIRS += smpatomic06
 SUBDIRS += smpatomic07
 SUBDIRS += smplock01
+SUBDIRS += smpschedule01
 endif
 
 include $(top_srcdir)/../automake/subdirs.am

testsuites/smptests/configure.ac

@@ -49,5 +49,6 @@ smpatomic05/Makefile
 smpatomic06/Makefile
 smpatomic07/Makefile
 smplock01/Makefile
+smpschedule01/Makefile
 ])
 AC_OUTPUT

testsuites/smptests/smpschedule01/Makefile.am

@@ -0,0 +1,19 @@
+rtems_tests_PROGRAMS = smpschedule01
+smpschedule01_SOURCES = init.c
+
+dist_rtems_tests_DATA = smpschedule01.scn smpschedule01.doc
+
+include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
+include $(top_srcdir)/../automake/compile.am
+include $(top_srcdir)/../automake/leaf.am
+
+AM_CPPFLAGS += -I$(top_srcdir)/../support/include
+
+LINK_OBJS = $(smpschedule01_OBJECTS)
+LINK_LIBS = $(smpschedule01_LDLIBS)
+
+smpschedule01$(EXEEXT): $(smpschedule01_OBJECTS) $(smpschedule01_DEPENDENCIES)
+	@rm -f smpschedule01$(EXEEXT)
+	$(make-exe)
+
+include $(top_srcdir)/../automake/local.am

testsuites/smptests/smpschedule01/init.c

@@ -0,0 +1,209 @@
+/*
+ * Copyright (c) 2013 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#ifdef HAVE_CONFIG_H
+  #include "config.h"
+#endif
+
+#include <rtems.h>
+
+#include "tmacros.h"
+
+#define CPU_COUNT 2
+
+#define TASK_COUNT 4
+
+#define FIRST_TASK_PRIORITY 1
+
+#define SECOND_TASK_READY RTEMS_EVENT_0
+
+static rtems_id task_ids[TASK_COUNT];
+
+static void suspend(size_t i)
+{
+  rtems_status_code sc = rtems_task_suspend(task_ids[i]);
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+}
+
+static void resume(size_t i)
+{
+  rtems_status_code sc = rtems_task_resume(task_ids[i]);
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+}
+
+static void task(rtems_task_argument arg)
+{
+  rtems_task_priority task_priority;
+  rtems_status_code sc;
+
+  sc = rtems_task_set_priority(
+    RTEMS_SELF,
+    RTEMS_CURRENT_PRIORITY,
+    &task_priority
+  );
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+  if (arg == 1) {
+    sc = rtems_event_send(task_ids[0], SECOND_TASK_READY);
+    rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+  }
+
+  while (true) {
+    /* Do nothing */
+  }
+}
+
+static bool is_per_cpu_state_ok(void)
+{
+  bool ok = true;
+  uint32_t n = rtems_processors_get_count();
+  uint32_t i;
+
+  for (i = 0; i < n; ++i) {
+    const Thread_Control *thread = _Per_CPU_Information[i].executing;
+    uint32_t count = 0;
+    uint32_t j;
+
+    for (j = 0; j < n; ++j) {
+      const Per_CPU_Control *cpu = &_Per_CPU_Information[j];
+      const Thread_Control *executing = cpu->executing;
+      const Thread_Control *heir = cpu->heir;
+
+      if (i != j) {
+        count += executing == thread;
+        count += heir == thread;
+      } else {
+        ++count;
+      }
+
+      ok = ok && executing->cpu == cpu;
+      ok = ok && heir->cpu == cpu;
+    }
+
+    ok = ok && (count == 1);
+  }
+
+  return ok;
+}
+
+static void test_scheduler_cross(void)
+{
+  bool per_cpu_state_ok;
+
+  _Thread_Disable_dispatch();
+
+  suspend(0);
+  suspend(1);
+  resume(0);
+  resume(1);
+
+  per_cpu_state_ok = is_per_cpu_state_ok();
+
+  _Thread_Enable_dispatch();
+
+  rtems_test_assert(per_cpu_state_ok);
+}
+
+static void test_scheduler_move_heir(void)
+{
+  bool per_cpu_state_ok;
+
+  _Thread_Disable_dispatch();
+
+  suspend(2);
+  suspend(3);
+  suspend(0);
+  resume(2);
+  suspend(1);
+  resume(3);
+  resume(0);
+
+  per_cpu_state_ok = is_per_cpu_state_ok();
+
+  resume(1);
+
+  _Thread_Enable_dispatch();
+
+  rtems_test_assert(per_cpu_state_ok);
+}
+
+static void test(void)
+{
+  rtems_event_set events;
+  rtems_status_code sc;
+  rtems_task_argument task_index;
+
+  task_ids[0] = rtems_task_self();
+
+  for (task_index = 1; task_index < TASK_COUNT; ++task_index) {
+      rtems_id task_id;
+
+      sc = rtems_task_create(
+        rtems_build_name('T', 'A', 'S', 'K'),
+        FIRST_TASK_PRIORITY + task_index,
+        RTEMS_MINIMUM_STACK_SIZE,
+        RTEMS_DEFAULT_MODES,
+        RTEMS_DEFAULT_ATTRIBUTES,
+        &task_id
+      );
+      rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+      sc = rtems_task_start(task_id, task, task_index);
+      rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+      task_ids[task_index] = task_id;
+  }
+
+  sc = rtems_event_receive(
+    SECOND_TASK_READY,
+    RTEMS_EVENT_ALL | RTEMS_WAIT,
+    RTEMS_NO_TIMEOUT,
+    &events
+  );
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+  rtems_test_assert(events == SECOND_TASK_READY);
+
+  test_scheduler_cross();
+  test_scheduler_move_heir();
+}
+
+static void Init(rtems_task_argument arg)
+{
+  puts("\n\n*** TEST SMPSCHEDULE 1 ***");
+
+  test();
+
+  puts("*** END OF TEST SMPSCHEDULE 1 ***");
+
+  rtems_test_exit(0);
+}
+
+#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
+#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
+
+#define CONFIGURE_SMP_APPLICATION
+
+#define CONFIGURE_SMP_MAXIMUM_PROCESSORS CPU_COUNT
+
+#define CONFIGURE_MAXIMUM_TASKS TASK_COUNT
+
+#define CONFIGURE_INIT_TASK_PRIORITY FIRST_TASK_PRIORITY
+#define CONFIGURE_INIT_TASK_INITIAL_MODES RTEMS_DEFAULT_MODES
+#define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_DEFAULT_ATTRIBUTES
+
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
+
+#define CONFIGURE_INIT
+
+#include <rtems/confdefs.h>

testsuites/smptests/smpschedule01/smpschedule01.doc

@@ -0,0 +1,14 @@
+This file describes the directives and concepts tested by this test set.
+
+test set name: smpschedule01
+
+directives:
+
+  - _Scheduler_simple_smp_Enqueue_priority_fifo
+  - _Scheduler_simple_smp_Enqueue_priority_lifo
+  - _Scheduler_simple_smp_Extract
+
+concepts:
+
+  - Ensure that the per-processor state is consistent after a sequence of
+    scheduling events.

testsuites/smptests/smpschedule01/smpschedule01.scn

@@ -0,0 +1,2 @@
+*** TEST SMPSCHEDULE 1 ***
+*** END OF TEST SMPSCHEDULE 1 ***