Switch HWUI to use native performance hint API
Test: None
Bug: 194204196
Change-Id: I80dfdb5d56921c465406cc4534e82738c668d46d
diff --git a/libs/hwui/renderthread/DrawFrameTask.cpp b/libs/hwui/renderthread/DrawFrameTask.cpp
index db29e34..e7081df 100644
--- a/libs/hwui/renderthread/DrawFrameTask.cpp
+++ b/libs/hwui/renderthread/DrawFrameTask.cpp
@@ -16,6 +16,7 @@
#include "DrawFrameTask.h"
+#include <dlfcn.h>
#include <gui/TraceUtils.h>
#include <utils/Log.h>
#include <algorithm>
@@ -26,11 +27,63 @@
#include "../RenderNode.h"
#include "CanvasContext.h"
#include "RenderThread.h"
+#include "thread/CommonPool.h"
namespace android {
namespace uirenderer {
namespace renderthread {
+namespace {
+
+typedef APerformanceHintManager* (*APH_getManager)();
+typedef APerformanceHintSession* (*APH_createSession)(APerformanceHintManager*, const int32_t*,
+ size_t, int64_t);
+typedef void (*APH_updateTargetWorkDuration)(APerformanceHintSession*, int64_t);
+typedef void (*APH_reportActualWorkDuration)(APerformanceHintSession*, int64_t);
+typedef void (*APH_closeSession)(APerformanceHintSession* session);
+
+bool gAPerformanceHintBindingInitialized = false;
+APH_getManager gAPH_getManagerFn = nullptr;
+APH_createSession gAPH_createSessionFn = nullptr;
+APH_updateTargetWorkDuration gAPH_updateTargetWorkDurationFn = nullptr;
+APH_reportActualWorkDuration gAPH_reportActualWorkDurationFn = nullptr;
+APH_closeSession gAPH_closeSessionFn = nullptr;
+
+void ensureAPerformanceHintBindingInitialized() {
+ if (gAPerformanceHintBindingInitialized) return;
+
+ void* handle_ = dlopen("libandroid.so", RTLD_NOW | RTLD_NODELETE);
+ LOG_ALWAYS_FATAL_IF(handle_ == nullptr, "Failed to dlopen libandroid.so!");
+
+ gAPH_getManagerFn = (APH_getManager)dlsym(handle_, "APerformanceHint_getManager");
+ LOG_ALWAYS_FATAL_IF(gAPH_getManagerFn == nullptr,
+ "Failed to find required symbol APerformanceHint_getManager!");
+
+ gAPH_createSessionFn = (APH_createSession)dlsym(handle_, "APerformanceHint_createSession");
+ LOG_ALWAYS_FATAL_IF(gAPH_createSessionFn == nullptr,
+ "Failed to find required symbol APerformanceHint_createSession!");
+
+ gAPH_updateTargetWorkDurationFn = (APH_updateTargetWorkDuration)dlsym(
+ handle_, "APerformanceHint_updateTargetWorkDuration");
+ LOG_ALWAYS_FATAL_IF(
+ gAPH_updateTargetWorkDurationFn == nullptr,
+ "Failed to find required symbol APerformanceHint_updateTargetWorkDuration!");
+
+ gAPH_reportActualWorkDurationFn = (APH_reportActualWorkDuration)dlsym(
+ handle_, "APerformanceHint_reportActualWorkDuration");
+ LOG_ALWAYS_FATAL_IF(
+ gAPH_reportActualWorkDurationFn == nullptr,
+ "Failed to find required symbol APerformanceHint_reportActualWorkDuration!");
+
+ gAPH_closeSessionFn = (APH_closeSession)dlsym(handle_, "APerformanceHint_closeSession");
+ LOG_ALWAYS_FATAL_IF(gAPH_closeSessionFn == nullptr,
+ "Failed to find required symbol APerformanceHint_closeSession!");
+
+ gAPerformanceHintBindingInitialized = true;
+}
+
+} // namespace
+
DrawFrameTask::DrawFrameTask()
: mRenderThread(nullptr)
, mContext(nullptr)
@@ -39,17 +92,13 @@
DrawFrameTask::~DrawFrameTask() {}
-void DrawFrameTask::setContext(RenderThread* thread, CanvasContext* context,
- RenderNode* targetNode) {
+void DrawFrameTask::setContext(RenderThread* thread, CanvasContext* context, RenderNode* targetNode,
+ int32_t uiThreadId, int32_t renderThreadId) {
mRenderThread = thread;
mContext = context;
mTargetNode = targetNode;
-}
-
-void DrawFrameTask::setHintSessionCallbacks(std::function<void(int64_t)> updateTargetWorkDuration,
- std::function<void(int64_t)> reportActualWorkDuration) {
- mUpdateTargetWorkDuration = std::move(updateTargetWorkDuration);
- mReportActualWorkDuration = std::move(reportActualWorkDuration);
+ mUiThreadId = uiThreadId;
+ mRenderThreadId = renderThreadId;
}
void DrawFrameTask::pushLayerUpdate(DeferredLayerUpdater* layer) {
@@ -144,27 +193,25 @@
unblockUiThread();
}
- // These member callbacks are effectively const as they are set once during init, so it's safe
- // to use these directly instead of making local copies.
- if (mUpdateTargetWorkDuration && mReportActualWorkDuration) {
- constexpr int64_t kSanityCheckLowerBound = 100000; // 0.1ms
- constexpr int64_t kSanityCheckUpperBound = 10000000000; // 10s
- int64_t targetWorkDuration = frameDeadline - intendedVsync;
- targetWorkDuration = targetWorkDuration * Properties::targetCpuTimePercentage / 100;
- if (targetWorkDuration > kSanityCheckLowerBound &&
- targetWorkDuration < kSanityCheckUpperBound &&
- targetWorkDuration != mLastTargetWorkDuration) {
- mLastTargetWorkDuration = targetWorkDuration;
- mUpdateTargetWorkDuration(targetWorkDuration);
- }
- int64_t frameDuration = systemTime(SYSTEM_TIME_MONOTONIC) - frameStartTime;
- int64_t actualDuration = frameDuration -
- (std::min(syncDelayDuration, mLastDequeueBufferDuration)) -
- dequeueBufferDuration;
- if (actualDuration > kSanityCheckLowerBound && actualDuration < kSanityCheckUpperBound) {
- mReportActualWorkDuration(actualDuration);
- }
+ if (!mHintSessionWrapper) mHintSessionWrapper.emplace(mUiThreadId, mRenderThreadId);
+ constexpr int64_t kSanityCheckLowerBound = 100000; // 0.1ms
+ constexpr int64_t kSanityCheckUpperBound = 10000000000; // 10s
+ int64_t targetWorkDuration = frameDeadline - intendedVsync;
+ targetWorkDuration = targetWorkDuration * Properties::targetCpuTimePercentage / 100;
+ if (targetWorkDuration > kSanityCheckLowerBound &&
+ targetWorkDuration < kSanityCheckUpperBound &&
+ targetWorkDuration != mLastTargetWorkDuration) {
+ mLastTargetWorkDuration = targetWorkDuration;
+ mHintSessionWrapper->updateTargetWorkDuration(targetWorkDuration);
}
+ int64_t frameDuration = systemTime(SYSTEM_TIME_MONOTONIC) - frameStartTime;
+ int64_t actualDuration = frameDuration -
+ (std::min(syncDelayDuration, mLastDequeueBufferDuration)) -
+ dequeueBufferDuration;
+ if (actualDuration > kSanityCheckLowerBound && actualDuration < kSanityCheckUpperBound) {
+ mHintSessionWrapper->reportActualWorkDuration(actualDuration);
+ }
+
mLastDequeueBufferDuration = dequeueBufferDuration;
}
@@ -216,6 +263,44 @@
mSignal.signal();
}
+DrawFrameTask::HintSessionWrapper::HintSessionWrapper(int32_t uiThreadId, int32_t renderThreadId) {
+ if (!Properties::useHintManager) return;
+ if (uiThreadId < 0 || renderThreadId < 0) return;
+
+ ensureAPerformanceHintBindingInitialized();
+
+ APerformanceHintManager* manager = gAPH_getManagerFn();
+ if (!manager) return;
+
+ std::vector<int32_t> tids = CommonPool::getThreadIds();
+ tids.push_back(uiThreadId);
+ tids.push_back(renderThreadId);
+
+ // DrawFrameTask code will always set a target duration before reporting actual durations.
+ // So this is just a placeholder value that's never used.
+ int64_t dummyTargetDurationNanos = 16666667;
+ mHintSession =
+ gAPH_createSessionFn(manager, tids.data(), tids.size(), dummyTargetDurationNanos);
+}
+
+DrawFrameTask::HintSessionWrapper::~HintSessionWrapper() {
+ if (mHintSession) {
+ gAPH_closeSessionFn(mHintSession);
+ }
+}
+
+void DrawFrameTask::HintSessionWrapper::updateTargetWorkDuration(long targetDurationNanos) {
+ if (mHintSession) {
+ gAPH_updateTargetWorkDurationFn(mHintSession, targetDurationNanos);
+ }
+}
+
+void DrawFrameTask::HintSessionWrapper::reportActualWorkDuration(long actualDurationNanos) {
+ if (mHintSession) {
+ gAPH_reportActualWorkDurationFn(mHintSession, actualDurationNanos);
+ }
+}
+
} /* namespace renderthread */
} /* namespace uirenderer */
} /* namespace android */