Add benchmarks for InputDispatcher
No logs are generated when these benchmarks are ran.
Bug: none
Test: atest inputflinger_benchmarks
Change-Id: Ifce2518657b2f266f8e8ccfaabac1331ecdf7935
diff --git a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
new file mode 100644
index 0000000..9686cea
--- /dev/null
+++ b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
@@ -0,0 +1,314 @@
+/*
+ * Copyright (C) 2019 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 <benchmark/benchmark.h>
+
+#include <binder/Binder.h>
+#include "../dispatcher/InputDispatcher.h"
+
+namespace android::inputdispatcher {
+
+// An arbitrary device id.
+static const int32_t DEVICE_ID = 1;
+
+// An arbitrary injector pid / uid pair that has permission to inject events.
+static const int32_t INJECTOR_PID = 999;
+static const int32_t INJECTOR_UID = 1001;
+
+static const int32_t INJECT_EVENT_TIMEOUT = 5000;
+static const int32_t DISPATCHING_TIMEOUT = 100000;
+
+static nsecs_t now() {
+ return systemTime(SYSTEM_TIME_MONOTONIC);
+}
+
+// --- FakeInputDispatcherPolicy ---
+
+class FakeInputDispatcherPolicy : public InputDispatcherPolicyInterface {
+public:
+ FakeInputDispatcherPolicy() {}
+
+protected:
+ virtual ~FakeInputDispatcherPolicy() {}
+
+private:
+ virtual void notifyConfigurationChanged(nsecs_t) override {}
+
+ virtual nsecs_t notifyANR(const sp<InputApplicationHandle>&, const sp<IBinder>&,
+ const std::string& name) override {
+ ALOGE("The window is not responding : %s", name.c_str());
+ return 0;
+ }
+
+ virtual void notifyInputChannelBroken(const sp<IBinder>&) override {}
+
+ virtual void notifyFocusChanged(const sp<IBinder>&, const sp<IBinder>&) override {}
+
+ virtual void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) override {
+ *outConfig = mConfig;
+ }
+
+ virtual bool filterInputEvent(const InputEvent* inputEvent, uint32_t policyFlags) override {
+ return true;
+ }
+
+ virtual void interceptKeyBeforeQueueing(const KeyEvent*, uint32_t&) override {}
+
+ virtual void interceptMotionBeforeQueueing(int32_t, nsecs_t, uint32_t&) override {}
+
+ virtual nsecs_t interceptKeyBeforeDispatching(const sp<IBinder>&, const KeyEvent*,
+ uint32_t) override {
+ return 0;
+ }
+
+ virtual bool dispatchUnhandledKey(const sp<IBinder>&, const KeyEvent*, uint32_t,
+ KeyEvent*) override {
+ return false;
+ }
+
+ virtual void notifySwitch(nsecs_t, uint32_t, uint32_t, uint32_t) override {}
+
+ virtual void pokeUserActivity(nsecs_t, int32_t) override {}
+
+ virtual bool checkInjectEventsPermissionNonReentrant(int32_t, int32_t) override {
+ return false;
+ }
+
+ virtual void onPointerDownOutsideFocus(const sp<IBinder>& newToken) override {}
+
+ InputDispatcherConfiguration mConfig;
+};
+
+class FakeApplicationHandle : public InputApplicationHandle {
+public:
+ FakeApplicationHandle() {}
+ virtual ~FakeApplicationHandle() {}
+
+ virtual bool updateInfo() {
+ mInfo.dispatchingTimeout = DISPATCHING_TIMEOUT;
+ return true;
+ }
+};
+
+class FakeInputReceiver {
+public:
+ void consumeEvent() {
+ uint32_t consumeSeq;
+ InputEvent* event;
+
+ status_t result = WOULD_BLOCK;
+ while (result == WOULD_BLOCK) {
+ result = mConsumer->consume(&mEventFactory, true /*consumeBatches*/, -1, &consumeSeq,
+ &event);
+ }
+ if (result != OK) {
+ ALOGE("Received result = %d from consume()", result);
+ }
+ result = mConsumer->sendFinishedSignal(consumeSeq, true);
+ if (result != OK) {
+ ALOGE("Received result = %d from sendFinishedSignal", result);
+ }
+ }
+
+protected:
+ explicit FakeInputReceiver(const sp<InputDispatcher>& dispatcher, const std::string name)
+ : mDispatcher(dispatcher) {
+ InputChannel::openInputChannelPair(name, mServerChannel, mClientChannel);
+ mConsumer = std::make_unique<InputConsumer>(mClientChannel);
+ }
+
+ virtual ~FakeInputReceiver() {}
+
+ sp<InputDispatcher> mDispatcher;
+ sp<InputChannel> mServerChannel, mClientChannel;
+ std::unique_ptr<InputConsumer> mConsumer;
+ PreallocatedInputEventFactory mEventFactory;
+};
+
+class FakeWindowHandle : public InputWindowHandle, public FakeInputReceiver {
+public:
+ static const int32_t WIDTH = 200;
+ static const int32_t HEIGHT = 200;
+
+ FakeWindowHandle(const sp<InputApplicationHandle>& inputApplicationHandle,
+ const sp<InputDispatcher>& dispatcher, const std::string name)
+ : FakeInputReceiver(dispatcher, name), mFrame(Rect(0, 0, WIDTH, HEIGHT)) {
+ mDispatcher->registerInputChannel(mServerChannel);
+
+ inputApplicationHandle->updateInfo();
+ mInfo.applicationInfo = *inputApplicationHandle->getInfo();
+ }
+
+ virtual bool updateInfo() override {
+ mInfo.token = mServerChannel->getConnectionToken();
+ mInfo.name = "FakeWindowHandle";
+ mInfo.layoutParamsFlags = 0;
+ mInfo.layoutParamsType = InputWindowInfo::TYPE_APPLICATION;
+ mInfo.dispatchingTimeout = DISPATCHING_TIMEOUT;
+ mInfo.frameLeft = mFrame.left;
+ mInfo.frameTop = mFrame.top;
+ mInfo.frameRight = mFrame.right;
+ mInfo.frameBottom = mFrame.bottom;
+ mInfo.globalScaleFactor = 1.0;
+ mInfo.touchableRegion.clear();
+ mInfo.addTouchableRegion(mFrame);
+ mInfo.visible = true;
+ mInfo.canReceiveKeys = true;
+ mInfo.hasFocus = true;
+ mInfo.hasWallpaper = false;
+ mInfo.paused = false;
+ mInfo.layer = 0;
+ mInfo.ownerPid = INJECTOR_PID;
+ mInfo.ownerUid = INJECTOR_UID;
+ mInfo.inputFeatures = 0;
+ mInfo.displayId = ADISPLAY_ID_DEFAULT;
+
+ return true;
+ }
+
+protected:
+ Rect mFrame;
+};
+
+static MotionEvent generateMotionEvent() {
+ PointerProperties pointerProperties[1];
+ PointerCoords pointerCoords[1];
+
+ pointerProperties[0].clear();
+ pointerProperties[0].id = 0;
+ pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+
+ pointerCoords[0].clear();
+ pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 100);
+ pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 100);
+
+ const nsecs_t currentTime = now();
+
+ MotionEvent event;
+ event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
+ AMOTION_EVENT_ACTION_DOWN, /* actionButton */ 0, /* flags */ 0,
+ /* edgeFlags */ 0, AMETA_NONE, /* buttonState */ 0, MotionClassification::NONE,
+ /* xOffset */ 0, /* yOffset */ 0, /* xPrecision */ 0,
+ /* yPrecision */ 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+ AMOTION_EVENT_INVALID_CURSOR_POSITION, currentTime, currentTime,
+ /*pointerCount*/ 1, pointerProperties, pointerCoords);
+ return event;
+}
+
+static NotifyMotionArgs generateMotionArgs() {
+ PointerProperties pointerProperties[1];
+ PointerCoords pointerCoords[1];
+
+ pointerProperties[0].clear();
+ pointerProperties[0].id = 0;
+ pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+
+ pointerCoords[0].clear();
+ pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 100);
+ pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 100);
+
+ const nsecs_t currentTime = now();
+ // Define a valid motion event.
+ NotifyMotionArgs args(/* sequenceNum */ 0, currentTime, DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+ ADISPLAY_ID_DEFAULT, POLICY_FLAG_PASS_TO_USER, AMOTION_EVENT_ACTION_DOWN,
+ /* actionButton */ 0, /* flags */ 0, AMETA_NONE, /* buttonState */ 0,
+ MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+ pointerProperties, pointerCoords,
+ /* xPrecision */ 0, /* yPrecision */ 0,
+ AMOTION_EVENT_INVALID_CURSOR_POSITION,
+ AMOTION_EVENT_INVALID_CURSOR_POSITION, currentTime, /* videoFrames */ {});
+
+ return args;
+}
+
+static void benchmarkNotifyMotion(benchmark::State& state) {
+ // Create dispatcher
+ sp<FakeInputDispatcherPolicy> fakePolicy = new FakeInputDispatcherPolicy();
+ sp<InputDispatcher> dispatcher = new InputDispatcher(fakePolicy);
+ dispatcher->setInputDispatchMode(/*enabled*/ true, /*frozen*/ false);
+ dispatcher->start();
+
+ // Create a window that will receive motion events
+ sp<FakeApplicationHandle> application = new FakeApplicationHandle();
+ sp<FakeWindowHandle> window = new FakeWindowHandle(application, dispatcher, "Fake Window");
+
+ dispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+
+ NotifyMotionArgs motionArgs = generateMotionArgs();
+
+ for (auto _ : state) {
+ // Send ACTION_DOWN
+ motionArgs.action = AMOTION_EVENT_ACTION_DOWN;
+ motionArgs.sequenceNum = 0;
+ motionArgs.downTime = now();
+ motionArgs.eventTime = motionArgs.downTime;
+ dispatcher->notifyMotion(&motionArgs);
+
+ // Send ACTION_UP
+ motionArgs.action = AMOTION_EVENT_ACTION_UP;
+ motionArgs.sequenceNum = 1;
+ motionArgs.eventTime = now();
+ dispatcher->notifyMotion(&motionArgs);
+
+ window->consumeEvent();
+ window->consumeEvent();
+ }
+
+ dispatcher->stop();
+}
+
+static void benchmarkInjectMotion(benchmark::State& state) {
+ // Create dispatcher
+ sp<FakeInputDispatcherPolicy> fakePolicy = new FakeInputDispatcherPolicy();
+ sp<InputDispatcher> dispatcher = new InputDispatcher(fakePolicy);
+ dispatcher->setInputDispatchMode(/*enabled*/ true, /*frozen*/ false);
+ dispatcher->start();
+
+ // Create a window that will receive motion events
+ sp<FakeApplicationHandle> application = new FakeApplicationHandle();
+ sp<FakeWindowHandle> window = new FakeWindowHandle(application, dispatcher, "Fake Window");
+
+ dispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+
+ MotionEvent event = generateMotionEvent();
+
+ for (auto _ : state) {
+ // Send ACTION_DOWN
+ event.setAction(AMOTION_EVENT_ACTION_DOWN);
+ event.setDownTime(now());
+ dispatcher->injectInputEvent(&event, INJECTOR_PID, INJECTOR_UID,
+ INPUT_EVENT_INJECTION_SYNC_NONE, INJECT_EVENT_TIMEOUT,
+ POLICY_FLAG_FILTERED | POLICY_FLAG_PASS_TO_USER);
+
+ // Send ACTION_UP
+ event.setAction(AMOTION_EVENT_ACTION_UP);
+ dispatcher->injectInputEvent(&event, INJECTOR_PID, INJECTOR_UID,
+ INPUT_EVENT_INJECTION_SYNC_NONE, INJECT_EVENT_TIMEOUT,
+ POLICY_FLAG_FILTERED | POLICY_FLAG_PASS_TO_USER);
+
+ window->consumeEvent();
+ window->consumeEvent();
+ }
+
+ dispatcher->stop();
+}
+
+BENCHMARK(benchmarkNotifyMotion);
+BENCHMARK(benchmarkInjectMotion);
+
+} // namespace android::inputdispatcher
+
+BENCHMARK_MAIN();