参考代码

components/system/test/os_test_thread_yield.c

@@ -0,0 +1,110 @@
+#include "os_test.h"
+
+static os_thread_t thread_1;
+static os_thread_t thread_2;
+static os_thread_t thread_3;
+static os_thread_t thread_4;
+static vuint count1 = 0;
+static vuint count2 = 0;
+static vuint count3 = 0;
+static vuint count4 = 0;
+
+#define _TEST_TIMES 2000
+
+static void _test_os_t1(void *arg)
+{
+    count1 = 0;
+    while (1)
+    {
+        if (count1++ % _TEST_TIMES == 0)
+        {
+            SYS_LOG_DBG("%d", count1 / _TEST_TIMES);
+            if (count1 >= (_TEST_TIMES * 10))
+            {
+                return;
+            }
+        }
+        os_thread_yield();
+    }
+}
+static void _test_os_t2(void *arg)
+{
+    count2 = 0;
+    while (1)
+    {
+        if (count2++ % _TEST_TIMES == 0)
+        {
+            SYS_LOG_DBG("%d", count2 / _TEST_TIMES);
+            if (count2 >= (_TEST_TIMES * 10))
+            {
+                return;
+            }
+        }
+        os_thread_yield();
+    }
+}
+
+static void _test_os_t3(void *arg)
+{
+    count3 = 0;
+    while (1)
+    {
+        if (count3++ % _TEST_TIMES == 0)
+        {
+            SYS_LOG_DBG("%d", count3 / _TEST_TIMES);
+            if (count3 >= (_TEST_TIMES * 10))
+            {
+                return;
+            }
+        }
+        os_thread_suspend(NULL);
+        SYS_ASSERT_FALSE(count3 != count4, "count3 = %d, count4 = %d, suspend fail", count3, count4);
+    }
+}
+static void _test_os_t4(void *arg)
+{
+    count4 = 0;
+    while (1)
+    {
+        if (count4++ % _TEST_TIMES == 0)
+        {
+            SYS_LOG_DBG("%d", count4 / _TEST_TIMES);
+            if (count4 >= (_TEST_TIMES * 10))
+            {
+                return;
+            }
+        }
+        os_thread_resume(&thread_3);
+        SYS_ASSERT_FALSE(count4 + 1 != count3, "count3 = %d, count4 = %d, thread 3 dead!", count3, count4);
+    }
+}
+
+void os_test_yield(uint TestTime)
+{
+    uint start_tick, test_tick, time_nS;
+    SYS_LOG_INF("");
+
+    os_scheduler_suspend();
+
+    os_test_create_thread(&thread_1, _test_os_t1, "task01-4", 4);
+    os_test_create_thread(&thread_2, _test_os_t2, "task02-4", 4);
+
+    start_tick = os_get_sys_ticks();
+    os_scheduler_resume();
+    test_tick = os_get_sys_ticks();
+    time_nS = (test_tick - start_tick) * 1000000 / (count1 + count2);
+    SYS_LOG_DBG("平均时间: %d.%03d uS", time_nS / 1000, time_nS % 1000);
+
+    os_scheduler_suspend();
+
+    os_test_create_thread(&thread_3, _test_os_t3, "task03-3", 3);
+    os_test_create_thread(&thread_4, _test_os_t4, "task04-2", 2);
+
+    start_tick = os_get_sys_ticks();
+    os_scheduler_resume();
+    test_tick = os_get_sys_ticks();
+    time_nS = (test_tick - start_tick) * 1000000 / (count3 + count4);
+    SYS_LOG_DBG("平均时间: %d.%03d uS", time_nS / 1000, time_nS % 1000);
+
+    os_sys_print_info();
+}