Game Driver: add GpuStats class to process and dump stats
Bug: 123529932
Test: adb shell dumpsys gpu
Change-Id: I2d524b1eecb00be71d344c07e8e18244a44bbcb8
diff --git a/services/gpuservice/gpustats/GpuStats.h b/services/gpuservice/gpustats/GpuStats.h
new file mode 100644
index 0000000..8837c39
--- /dev/null
+++ b/services/gpuservice/gpustats/GpuStats.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright 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.
+ */
+
+#pragma once
+
+#include <mutex>
+#include <unordered_map>
+#include <vector>
+
+#include <graphicsenv/GpuStatsAtoms.h>
+#include <graphicsenv/GraphicsEnv.h>
+#include <utils/String16.h>
+#include <utils/Vector.h>
+
+namespace android {
+
+class GpuStats {
+public:
+ GpuStats() = default;
+ ~GpuStats() = default;
+
+ // Insert new gpu stats into global stats and app stats.
+ void insert(const std::string& driverPackageName, const std::string& driverVersionName,
+ uint64_t driverVersionCode, int64_t driverBuildTime,
+ const std::string& appPackageName, GraphicsEnv::Driver driver, bool isDriverLoaded,
+ int64_t driverLoadingTime);
+ // dumpsys interface
+ void dump(const Vector<String16>& args, std::string* result);
+
+private:
+ // Dump global stats
+ void dumpGlobalLocked(std::string* result);
+ // Dump app stats
+ void dumpAppLocked(std::string* result);
+
+ // This limits the memory usage of GpuStats to be less than 30KB. This is
+ // the maximum atom size statsd could afford.
+ static const size_t MAX_NUM_APP_RECORDS = 300;
+ // GpuStats access should be guarded by mLock.
+ std::mutex mLock;
+ // Key is driver version code.
+ std::unordered_map<uint64_t, GpuStatsGlobalAtom> mGlobalStats;
+ // Key is <app package name>+<driver version code>.
+ std::unordered_map<std::string, GpuStatsAppAtom> mAppStats;
+};
+
+} // namespace android