78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
/*
|
|
* Copyright 2021 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 <android-base/thread_annotations.h>
|
|
#include <layerproto/LayerProtoHeader.h>
|
|
#include <utils/Errors.h>
|
|
#include <utils/StrongPointer.h>
|
|
#include <utils/Timers.h>
|
|
|
|
#include <memory>
|
|
#include <mutex>
|
|
|
|
using namespace android::surfaceflinger;
|
|
|
|
namespace android {
|
|
|
|
template <typename FileProto, typename EntryProto>
|
|
class RingBuffer;
|
|
|
|
class SurfaceFlinger;
|
|
|
|
/*
|
|
* LayerTracing records layer states during surface flinging. Manages tracing state and
|
|
* configuration.
|
|
*/
|
|
class LayerTracing {
|
|
public:
|
|
LayerTracing(SurfaceFlinger& flinger);
|
|
~LayerTracing();
|
|
bool enable();
|
|
bool disable(std::string filename = FILE_NAME);
|
|
bool isEnabled() const;
|
|
status_t writeToFile();
|
|
LayersTraceFileProto createTraceFileProto() const;
|
|
void notify(bool visibleRegionDirty, int64_t time);
|
|
|
|
enum : uint32_t {
|
|
TRACE_INPUT = 1 << 1,
|
|
TRACE_COMPOSITION = 1 << 2,
|
|
TRACE_EXTRA = 1 << 3,
|
|
TRACE_HWC = 1 << 4,
|
|
TRACE_BUFFERS = 1 << 5,
|
|
TRACE_ALL = TRACE_INPUT | TRACE_COMPOSITION | TRACE_EXTRA,
|
|
};
|
|
void setTraceFlags(uint32_t flags);
|
|
bool flagIsSet(uint32_t flags) const;
|
|
void setBufferSize(size_t bufferSizeInBytes);
|
|
void dump(std::string&) const;
|
|
|
|
private:
|
|
static constexpr auto FILE_NAME = "/data/misc/wmtrace/layers_trace.winscope";
|
|
|
|
SurfaceFlinger& mFlinger;
|
|
uint32_t mFlags = TRACE_INPUT;
|
|
mutable std::mutex mTraceLock;
|
|
bool mEnabled GUARDED_BY(mTraceLock) = false;
|
|
std::unique_ptr<RingBuffer<LayersTraceFileProto, LayersTraceProto>> mBuffer
|
|
GUARDED_BY(mTraceLock);
|
|
size_t mBufferSizeInBytes GUARDED_BY(mTraceLock) = 20 * 1024 * 1024;
|
|
};
|
|
|
|
} // namespace android
|