SF: Use RAII for TransactionTracing
Ensure the thread joins on destruction, which had been suppressed by a
leak fixed by ag/16613874.
Bug: 214486764
Test: libsurfaceflinger_arc_test
Test: libsurfaceflinger_unittest
Change-Id: Ib766735dc51e89d63080dd6b9afe8464da7c1c6a
diff --git a/services/surfaceflinger/Tracing/TransactionTracing.h b/services/surfaceflinger/Tracing/TransactionTracing.h
index 26a3758..bc57e01 100644
--- a/services/surfaceflinger/Tracing/TransactionTracing.h
+++ b/services/surfaceflinger/Tracing/TransactionTracing.h
@@ -25,17 +25,16 @@
#include <mutex>
#include <thread>
+#include "RingBuffer.h"
#include "TransactionProtoParser.h"
using namespace android::surfaceflinger;
namespace android {
-template <typename FileProto, typename EntryProto>
-class RingBuffer;
-
class SurfaceFlinger;
class TransactionTracingTest;
+
/*
* Records all committed transactions into a ring bufffer.
*
@@ -54,10 +53,6 @@
TransactionTracing();
~TransactionTracing();
- bool enable();
- bool disable();
- bool isEnabled() const;
-
void addQueuedTransaction(const TransactionState&);
void addCommittedTransactions(std::vector<TransactionState>& transactions, int64_t vsyncId);
status_t writeToFile();
@@ -78,8 +73,7 @@
static constexpr auto FILE_NAME = "/data/misc/wmtrace/transactions_trace.winscope";
mutable std::mutex mTraceLock;
- bool mEnabled GUARDED_BY(mTraceLock) = false;
- std::unique_ptr<RingBuffer<proto::TransactionTraceFile, proto::TransactionTraceEntry>> mBuffer
+ RingBuffer<proto::TransactionTraceFile, proto::TransactionTraceEntry> mBuffer
GUARDED_BY(mTraceLock);
size_t mBufferSizeInBytes GUARDED_BY(mTraceLock) = CONTINUOUS_TRACING_BUFFER_SIZE;
std::unordered_map<uint64_t, proto::TransactionState> mQueuedTransactions
@@ -116,7 +110,6 @@
void tryPushToTracingThread() EXCLUDES(mMainThreadLock);
void addStartingStateToProtoLocked(proto::TransactionTraceFile& proto) REQUIRES(mTraceLock);
void updateStartingStateLocked(const proto::TransactionTraceEntry& entry) REQUIRES(mTraceLock);
- status_t writeToFileLocked() REQUIRES(mTraceLock);
// TEST
// Wait until all the committed transactions for the specified vsync id are added to the buffer.