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deps/oblib/unittest/lib/profile/test_perf_event.cpp

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+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#include "lib/profile/ob_perf_event.h"
+#include <gtest/gtest.h>
+#include "lib/utility/ob_test_util.h"
+
+using namespace oceanbase::common;
+class TestPerfEvent : public ::testing::Test {
+  public:
+  TestPerfEvent();
+  virtual ~TestPerfEvent();
+  virtual void SetUp();
+  virtual void TearDown();
+
+  private:
+  // disallow copy
+  DISALLOW_COPY_AND_ASSIGN(TestPerfEvent);
+
+  protected:
+  // function members
+  protected:
+  // data members
+};
+
+TestPerfEvent::TestPerfEvent()
+{}
+
+TestPerfEvent::~TestPerfEvent()
+{}
+
+void TestPerfEvent::SetUp()
+{}
+
+void TestPerfEvent::TearDown()
+{}
+
+TEST_F(TestPerfEvent, basic_test)
+{
+  int ret = OB_SUCCESS;
+  ObPerfConfig::sampling_period_ = 1;
+  ENABLE_PERF_EVENT();
+  for (int i = 0; i < 3; ++i) {
+    PERF_RESET_RECORDER();
+    PERF_SET_CAT_ID(100 + i);
+    OB_PERF_EVENT_BEGIN(process);
+    OB_PERF_EVENT(key);
+    OB_PERF_EVENT(value);
+    OB_PERF_EVENT_END(process);
+    OB_LOG(INFO, "write perf event", K(THE_PERF));
+    PERF_GATHER_DATA();
+  }
+  DISABLE_PERF_EVENT();
+  // read and print
+  ObPerfReader reader;
+  ASSERT_EQ(OB_SUCCESS, reader.open(ObPerfConfig::data_filename_));
+
+  ObPerfEventRecorder rec;
+  int64_t count = 0;
+  while (OB_SUCCESS == ret && OB_SUCCESS == (ret = reader.read(rec))) {
+    OB_LOG(INFO, "read perf event", K(rec));
+    count++;
+  }
+  if (OB_SUCCESS != ret) {
+    ASSERT_EQ(OB_ITER_END, ret);
+  }
+  ASSERT_EQ(3, count);
+}
+
+int main(int argc, char** argv)
+{
+  OB_LOGGER.set_log_level("INFO");
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}