Spatializer: Add rate based stats
A new class ThreadSnapshot encapsulates
current (and future) thread based statistics.
Test: adb shell dumpsys media.audio_flinger --all
Test: atest media_threadsnapshot_tests
Bug: 228648325
Change-Id: Idbfdee08032c56f2c47e2e48d2ceb0656168c125
diff --git a/media/utils/tests/Android.bp b/media/utils/tests/Android.bp
index d9c2b21..a6f408d 100644
--- a/media/utils/tests/Android.bp
+++ b/media/utils/tests/Android.bp
@@ -104,6 +104,26 @@
}
cc_test {
+ name: "media_threadsnapshot_tests",
+
+ cflags: [
+ "-Wall",
+ "-Werror",
+ "-Wextra",
+ ],
+
+ shared_libs: [
+ "liblog",
+ "libmediautils",
+ "libutils",
+ ],
+
+ srcs: [
+ "media_threadsnapshot_tests.cpp",
+ ],
+}
+
+cc_test {
name: "methodstatistics_tests",
cflags: [
diff --git a/media/utils/tests/media_threadsnapshot_tests.cpp b/media/utils/tests/media_threadsnapshot_tests.cpp
new file mode 100644
index 0000000..c7a45e2
--- /dev/null
+++ b/media/utils/tests/media_threadsnapshot_tests.cpp
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <mediautils/ThreadSnapshot.h>
+
+#define LOG_TAG "media_threadsnapshot_tests"
+
+#include <gtest/gtest.h>
+#include <utils/Log.h>
+
+#include <chrono>
+#include <thread>
+
+using namespace android;
+using namespace android::mediautils;
+
+TEST(media_threadsnapshot_tests, basic) {
+ using namespace std::chrono_literals;
+
+ ThreadSnapshot threadSnapshot(gettid());
+
+ threadSnapshot.onBegin();
+
+ std::string snapshot1 = threadSnapshot.toString();
+
+ std::this_thread::sleep_for(100ms);
+
+ threadSnapshot.onEnd();
+
+ std::string snapshot2 = threadSnapshot.toString();
+
+ // Either we can't get a snapshot, or they must be different when taken when thread is running.
+ if (snapshot1.empty()) {
+ ASSERT_TRUE(snapshot2.empty());
+ } else {
+ ASSERT_FALSE(snapshot2.empty());
+ ASSERT_NE(snapshot1, snapshot2);
+ }
+}