Add support for --list debug command and fix --latency
Fixes: 329247258
Test: presubmit
Change-Id: I680207e5ed7e4c7cd9fba9b502b3caeffa415c55
diff --git a/services/surfaceflinger/tests/Dumpsys_test.cpp b/services/surfaceflinger/tests/Dumpsys_test.cpp
new file mode 100644
index 0000000..c3914e5
--- /dev/null
+++ b/services/surfaceflinger/tests/Dumpsys_test.cpp
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2024 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 <android/native_window.h>
+#include <gtest/gtest.h>
+#include <gui/SurfaceComposerClient.h>
+#include "android-base/stringprintf.h"
+#include "utils/Errors.h"
+
+namespace android {
+
+namespace {
+status_t runShellCommand(const std::string& cmd, std::string& result) {
+ FILE* pipe = popen(cmd.c_str(), "r");
+ if (!pipe) {
+ return UNKNOWN_ERROR;
+ }
+
+ char buffer[1024];
+ while (fgets(buffer, sizeof(buffer), pipe) != NULL) {
+ result += buffer;
+ }
+
+ pclose(pipe);
+ return OK;
+}
+} // namespace
+
+using android::hardware::graphics::common::V1_1::BufferUsage;
+
+class WaitForCompletedCallback {
+public:
+ WaitForCompletedCallback() = default;
+ ~WaitForCompletedCallback() = default;
+
+ static void transactionCompletedCallback(void* callbackContext, nsecs_t /* latchTime */,
+ const sp<Fence>& /* presentFence */,
+ const std::vector<SurfaceControlStats>& /* stats */) {
+ ASSERT_NE(callbackContext, nullptr) << "failed to get callback context";
+ WaitForCompletedCallback* context = static_cast<WaitForCompletedCallback*>(callbackContext);
+ context->notify();
+ }
+
+ void wait() {
+ std::unique_lock lock(mMutex);
+ cv.wait(lock, [this] { return mCallbackReceived; });
+ }
+
+ void notify() {
+ std::unique_lock lock(mMutex);
+ mCallbackReceived = true;
+ cv.notify_one();
+ }
+
+private:
+ std::mutex mMutex;
+ std::condition_variable cv;
+ bool mCallbackReceived = false;
+};
+
+TEST(Dumpsys, listLayers) {
+ sp<SurfaceComposerClient> client = sp<SurfaceComposerClient>::make();
+ ASSERT_EQ(NO_ERROR, client->initCheck());
+ auto newLayer =
+ client->createSurface(String8("MY_TEST_LAYER"), 100, 100, PIXEL_FORMAT_RGBA_8888, 0);
+ std::string layersAsString;
+ EXPECT_EQ(OK, runShellCommand("dumpsys SurfaceFlinger --list", layersAsString));
+ EXPECT_NE(strstr(layersAsString.c_str(), ""), nullptr);
+}
+
+TEST(Dumpsys, stats) {
+ sp<SurfaceComposerClient> client = sp<SurfaceComposerClient>::make();
+ ASSERT_EQ(NO_ERROR, client->initCheck());
+ auto newLayer =
+ client->createSurface(String8("MY_TEST_LAYER"), 100, 100, PIXEL_FORMAT_RGBA_8888, 0);
+ uint64_t usageFlags = BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
+ BufferUsage::COMPOSER_OVERLAY | BufferUsage::GPU_TEXTURE;
+
+ sp<GraphicBuffer> buffer =
+ sp<GraphicBuffer>::make(1u, 1u, PIXEL_FORMAT_RGBA_8888, 1u, usageFlags, "test");
+
+ WaitForCompletedCallback callback;
+ SurfaceComposerClient::Transaction()
+ .setBuffer(newLayer, buffer)
+ .addTransactionCompletedCallback(WaitForCompletedCallback::transactionCompletedCallback,
+ &callback)
+ .apply();
+ callback.wait();
+ std::string stats;
+ std::string layerName = base::StringPrintf("MY_TEST_LAYER#%d", newLayer->getLayerId());
+ EXPECT_EQ(OK, runShellCommand("dumpsys SurfaceFlinger --latency " + layerName, stats));
+ EXPECT_NE(std::string(""), stats);
+ EXPECT_EQ(OK, runShellCommand("dumpsys SurfaceFlinger --latency-clear " + layerName, stats));
+}
+
+} // namespace android