SF: Trigger ANR when buffer cache is full
* Updates the transaction queue stall listener to take a string that
contains the reason for hanging.
* Updates ClientCache::add to indicate whether or not a failure is due
to the cache being full
* Calls the transaction queue stall listener when the ClientCache is
full
Bug: 244218818
Test: presubmits
Change-Id: I5fdc9aef0f0a1601ace1c42cfac5024c3de8d299
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index 8b9a878..fc8aff8 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -167,14 +167,15 @@
mNumFrameAvailable = 0;
TransactionCompletedListener::getInstance()->addQueueStallListener(
- [&]() {
- std::function<void(bool)> callbackCopy;
- {
- std::unique_lock _lock{mMutex};
- callbackCopy = mTransactionHangCallback;
- }
- if (callbackCopy) callbackCopy(true);
- }, this);
+ [&](const std::string& reason) {
+ std::function<void(const std::string&)> callbackCopy;
+ {
+ std::unique_lock _lock{mMutex};
+ callbackCopy = mTransactionHangCallback;
+ }
+ if (callbackCopy) callbackCopy(reason);
+ },
+ this);
BQA_LOGV("BLASTBufferQueue created");
}
@@ -1112,7 +1113,8 @@
return SurfaceControl::isSameSurface(mSurfaceControl, surfaceControl);
}
-void BLASTBufferQueue::setTransactionHangCallback(std::function<void(bool)> callback) {
+void BLASTBufferQueue::setTransactionHangCallback(
+ std::function<void(const std::string&)> callback) {
std::unique_lock _lock{mMutex};
mTransactionHangCallback = callback;
}
diff --git a/libs/gui/ITransactionCompletedListener.cpp b/libs/gui/ITransactionCompletedListener.cpp
index ca91afa..2a114c8 100644
--- a/libs/gui/ITransactionCompletedListener.cpp
+++ b/libs/gui/ITransactionCompletedListener.cpp
@@ -273,15 +273,17 @@
void onReleaseBuffer(ReleaseCallbackId callbackId, sp<Fence> releaseFence,
uint32_t currentMaxAcquiredBufferCount) override {
- callRemoteAsync<decltype(
- &ITransactionCompletedListener::onReleaseBuffer)>(Tag::ON_RELEASE_BUFFER,
- callbackId, releaseFence,
- currentMaxAcquiredBufferCount);
+ callRemoteAsync<decltype(&ITransactionCompletedListener::
+ onReleaseBuffer)>(Tag::ON_RELEASE_BUFFER, callbackId,
+ releaseFence,
+ currentMaxAcquiredBufferCount);
}
- void onTransactionQueueStalled() override {
- callRemoteAsync<decltype(&ITransactionCompletedListener::onTransactionQueueStalled)>(
- Tag::ON_TRANSACTION_QUEUE_STALLED);
+ void onTransactionQueueStalled(const String8& reason) override {
+ callRemoteAsync<
+ decltype(&ITransactionCompletedListener::
+ onTransactionQueueStalled)>(Tag::ON_TRANSACTION_QUEUE_STALLED,
+ reason);
}
};
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index a5879a7..9efdd35 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -455,23 +455,24 @@
}
}
-void TransactionCompletedListener::onTransactionQueueStalled() {
- std::unordered_map<void*, std::function<void()>> callbackCopy;
- {
- std::scoped_lock<std::mutex> lock(mMutex);
- callbackCopy = mQueueStallListeners;
- }
- for (auto const& it : callbackCopy) {
- it.second();
- }
+void TransactionCompletedListener::onTransactionQueueStalled(const String8& reason) {
+ std::unordered_map<void*, std::function<void(const std::string&)>> callbackCopy;
+ {
+ std::scoped_lock<std::mutex> lock(mMutex);
+ callbackCopy = mQueueStallListeners;
+ }
+ for (auto const& it : callbackCopy) {
+ it.second(reason.c_str());
+ }
}
-void TransactionCompletedListener::addQueueStallListener(std::function<void()> stallListener,
- void* id) {
+void TransactionCompletedListener::addQueueStallListener(
+ std::function<void(const std::string&)> stallListener, void* id) {
std::scoped_lock<std::mutex> lock(mMutex);
mQueueStallListeners[id] = stallListener;
}
-void TransactionCompletedListener::removeQueueStallListener(void *id) {
+
+void TransactionCompletedListener::removeQueueStallListener(void* id) {
std::scoped_lock<std::mutex> lock(mMutex);
mQueueStallListeners.erase(id);
}
diff --git a/libs/gui/include/gui/BLASTBufferQueue.h b/libs/gui/include/gui/BLASTBufferQueue.h
index 827a6cc..957652e 100644
--- a/libs/gui/include/gui/BLASTBufferQueue.h
+++ b/libs/gui/include/gui/BLASTBufferQueue.h
@@ -113,12 +113,10 @@
uint64_t getLastAcquiredFrameNum();
/**
- * Set a callback to be invoked when we are hung. The boolean parameter
- * indicates whether the hang is due to an unfired fence.
- * TODO: The boolean is always true atm, unfired fence is
- * the only case we detect.
+ * Set a callback to be invoked when we are hung. The string parameter
+ * indicates the reason for the hang.
*/
- void setTransactionHangCallback(std::function<void(bool)> callback);
+ void setTransactionHangCallback(std::function<void(const std::string&)> callback);
virtual ~BLASTBufferQueue();
@@ -282,7 +280,7 @@
bool mAppliedLastTransaction = false;
uint64_t mLastAppliedFrameNumber = 0;
- std::function<void(bool)> mTransactionHangCallback;
+ std::function<void(const std::string&)> mTransactionHangCallback;
std::unordered_set<uint64_t> mSyncedFrameNumbers GUARDED_BY(mMutex);
};
diff --git a/libs/gui/include/gui/ITransactionCompletedListener.h b/libs/gui/include/gui/ITransactionCompletedListener.h
index cc136bb..d2a6f40 100644
--- a/libs/gui/include/gui/ITransactionCompletedListener.h
+++ b/libs/gui/include/gui/ITransactionCompletedListener.h
@@ -194,7 +194,8 @@
virtual void onReleaseBuffer(ReleaseCallbackId callbackId, sp<Fence> releaseFence,
uint32_t currentMaxAcquiredBufferCount) = 0;
- virtual void onTransactionQueueStalled() = 0;
+
+ virtual void onTransactionQueueStalled(const String8& name) = 0;
};
class BnTransactionCompletedListener : public SafeBnInterface<ITransactionCompletedListener> {
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 36969db..9efde6c 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -786,7 +786,7 @@
// This is protected by mSurfaceStatsListenerMutex, but GUARDED_BY isn't supported for
// std::recursive_mutex
std::multimap<int32_t, SurfaceStatsCallbackEntry> mSurfaceStatsListeners;
- std::unordered_map<void*, std::function<void()>> mQueueStallListeners;
+ std::unordered_map<void*, std::function<void(const std::string&)>> mQueueStallListeners;
public:
static sp<TransactionCompletedListener> getInstance();
@@ -804,7 +804,7 @@
const sp<SurfaceControl>& surfaceControl,
const std::unordered_set<CallbackId, CallbackIdHash>& callbackIds);
- void addQueueStallListener(std::function<void()> stallListener, void* id);
+ void addQueueStallListener(std::function<void(const std::string&)> stallListener, void* id);
void removeQueueStallListener(void *id);
/*
@@ -835,7 +835,7 @@
// For Testing Only
static void setInstance(const sp<TransactionCompletedListener>&);
- void onTransactionQueueStalled() override;
+ void onTransactionQueueStalled(const String8& reason) override;
private:
ReleaseBufferCallback popReleaseBufferCallbackLocked(const ReleaseCallbackId&);