am d955dceb: am 862540cd: Merge "Revert "DO NOT MERGE Backport of limited jank-tracking metrics"" into lmp-mr1-dev

* commit 'd955dceb4f38f214e62024e808b2b1a21be41940':
  Revert "DO NOT MERGE Backport of limited jank-tracking metrics"

18 files changed, 58 insertions, 592 deletions

diff --git a/libs/hwui/Android.mk b/libs/hwui/Android.mk
index 507472aa61a8..49560ffdd628 100644
--- a/libs/hwui/Android.mk
+++ b/libs/hwui/Android.mk
@@ -18,7 +18,6 @@ ifeq ($(USE_OPENGL_RENDERER),true)
 		AssetAtlas.cpp \
 		DamageAccumulator.cpp \
 		FontRenderer.cpp \
-		FrameInfo.cpp \
 		GammaFontRenderer.cpp \
 		Caches.cpp \
 		DisplayList.cpp \
@@ -33,7 +32,6 @@ ifeq ($(USE_OPENGL_RENDERER),true)
 		GradientCache.cpp \
 		Image.cpp \
 		Interpolator.cpp \
-		JankTracker.cpp \
 		Layer.cpp \
 		LayerCache.cpp \
 		LayerRenderer.cpp \
diff --git a/libs/hwui/FrameInfo.cpp b/libs/hwui/FrameInfo.cpp
deleted file mode 100644
index 6da1fa808d0a..000000000000
--- a/libs/hwui/FrameInfo.cpp
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2015 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.
- */
-#include "FrameInfo.h"
-
-#include <cstring>
-
-namespace android {
-namespace uirenderer {
-
-void FrameInfo::importUiThreadInfo(int64_t* info) {
-    memcpy(mFrameInfo, info, UI_THREAD_FRAME_INFO_SIZE * sizeof(int64_t));
-}
-
-} /* namespace uirenderer */
-} /* namespace android */
diff --git a/libs/hwui/FrameInfo.h b/libs/hwui/FrameInfo.h
deleted file mode 100644
index 3c3167721d2b..000000000000
--- a/libs/hwui/FrameInfo.h
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * Copyright (C) 2015 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.
- */
-#ifndef FRAMEINFO_H_
-#define FRAMEINFO_H_
-
-#include "utils/Macros.h"
-
-#include <cutils/compiler.h>
-#include <utils/Timers.h>
-
-#include <memory.h>
-
-namespace android {
-namespace uirenderer {
-
-#define UI_THREAD_FRAME_INFO_SIZE 9
-
-HWUI_ENUM(FrameInfoIndex,
-    kFlags = 0,
-    kIntendedVsync,
-    kVsync,
-    kOldestInputEvent,
-    kNewestInputEvent,
-    kHandleInputStart,
-    kAnimationStart,
-    kPerformTraversalsStart,
-    kDrawStart,
-    // End of UI frame info
-
-    kSyncStart,
-    kIssueDrawCommandsStart,
-    kSwapBuffers,
-    kFrameCompleted,
-
-    // Must be the last value!
-    kNumIndexes
-);
-
-HWUI_ENUM(FrameInfoFlags,
-    kWindowLayoutChanged = 1 << 0,
-    kRTAnimation = 1 << 1,
-    kSurfaceCanvas = 1 << 2,
-);
-
-class ANDROID_API UiFrameInfoBuilder {
-public:
-    UiFrameInfoBuilder(int64_t* buffer) : mBuffer(buffer) {
-        memset(mBuffer, 0, UI_THREAD_FRAME_INFO_SIZE * sizeof(int64_t));
-    }
-
-    UiFrameInfoBuilder& setVsync(nsecs_t vsyncTime, nsecs_t intendedVsync) {
-        mBuffer[FrameInfoIndex::kVsync] = vsyncTime;
-        mBuffer[FrameInfoIndex::kIntendedVsync] = intendedVsync;
-        return *this;
-    }
-
-    UiFrameInfoBuilder& addFlag(FrameInfoFlagsEnum flag) {
-        mBuffer[FrameInfoIndex::kFlags] |= static_cast<uint64_t>(flag);
-        return *this;
-    }
-
-private:
-    int64_t* mBuffer;
-};
-
-class FrameInfo {
-public:
-    void importUiThreadInfo(int64_t* info);
-
-    void markSyncStart() {
-        mFrameInfo[FrameInfoIndex::kSyncStart] = systemTime(CLOCK_MONOTONIC);
-    }
-
-    void markIssueDrawCommandsStart() {
-        mFrameInfo[FrameInfoIndex::kIssueDrawCommandsStart] = systemTime(CLOCK_MONOTONIC);
-    }
-
-    void markSwapBuffers() {
-        mFrameInfo[FrameInfoIndex::kSwapBuffers] = systemTime(CLOCK_MONOTONIC);
-    }
-
-    void markFrameCompleted() {
-        mFrameInfo[FrameInfoIndex::kFrameCompleted] = systemTime(CLOCK_MONOTONIC);
-    }
-
-    int64_t operator[](FrameInfoIndexEnum index) const {
-        if (index == FrameInfoIndex::kNumIndexes) return 0;
-        return mFrameInfo[static_cast<int>(index)];
-    }
-
-    int64_t operator[](int index) const {
-        if (index < 0 || index >= FrameInfoIndex::kNumIndexes) return 0;
-        return mFrameInfo[static_cast<int>(index)];
-    }
-
-private:
-    int64_t mFrameInfo[FrameInfoIndex::kNumIndexes];
-};
-
-} /* namespace uirenderer */
-} /* namespace android */
-
-#endif /* FRAMEINFO_H_ */
diff --git a/libs/hwui/JankTracker.cpp b/libs/hwui/JankTracker.cpp
deleted file mode 100644
index f7c81953b67b..000000000000
--- a/libs/hwui/JankTracker.cpp
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * Copyright (C) 2015 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.
- */
-#include "JankTracker.h"
-
-#include <algorithm>
-#include <cstdio>
-#include <inttypes.h>
-
-namespace android {
-namespace uirenderer {
-
-static const char* JANK_TYPE_NAMES[] = {
-        "Missed Vsync",
-        "High input latency",
-        "Slow UI thread",
-        "Slow bitmap uploads",
-        "Slow draw",
-};
-
-struct Comparison {
-    FrameInfoIndexEnum start;
-    FrameInfoIndexEnum end;
-};
-
-static const Comparison COMPARISONS[] = {
-        {FrameInfoIndex::kIntendedVsync, FrameInfoIndex::kVsync},
-        {FrameInfoIndex::kOldestInputEvent, FrameInfoIndex::kVsync},
-        {FrameInfoIndex::kVsync, FrameInfoIndex::kSyncStart},
-        {FrameInfoIndex::kSyncStart, FrameInfoIndex::kIssueDrawCommandsStart},
-        {FrameInfoIndex::kIssueDrawCommandsStart, FrameInfoIndex::kFrameCompleted},
-};
-
-// If the event exceeds 10 seconds throw it away, this isn't a jank event
-// it's an ANR and will be handled as such
-static const int64_t IGNORE_EXCEEDING = seconds_to_nanoseconds(10);
-
-/*
- * Frames that are exempt from jank metrics.
- * First-draw frames, for example, are expected to
- * be slow, this is hidden from the user with window animations and
- * other tricks
- *
- * Similarly, we don't track direct-drawing via Surface:lockHardwareCanvas()
- * for now
- *
- * TODO: kSurfaceCanvas can negatively impact other drawing by using up
- * time on the RenderThread, figure out how to attribute that as a jank-causer
- */
-static const int64_t EXEMPT_FRAMES_FLAGS
-        = FrameInfoFlags::kWindowLayoutChanged
-        | FrameInfoFlags::kSurfaceCanvas;
-
-JankTracker::JankTracker(nsecs_t frameIntervalNanos) {
-    reset();
-    setFrameInterval(frameIntervalNanos);
-}
-
-void JankTracker::setFrameInterval(nsecs_t frameInterval) {
-    mFrameInterval = frameInterval;
-    mThresholds[kMissedVsync] = 1;
-    /*
-     * Due to interpolation and sample rate differences between the touch
-     * panel and the display (example, 85hz touch panel driving a 60hz display)
-     * we call high latency 1.5 * frameinterval
-     *
-     * NOTE: Be careful when tuning this! A theoretical 1,000hz touch panel
-     * on a 60hz display will show kOldestInputEvent - kIntendedVsync of being 15ms
-     * Thus this must always be larger than frameInterval, or it will fail
-     */
-    mThresholds[kHighInputLatency] = static_cast<int64_t>(1.5 * frameInterval);
-
-    // Note that these do not add up to 1. This is intentional. It's to deal
-    // with variance in values, and should be sort of an upper-bound on what
-    // is reasonable to expect.
-    mThresholds[kSlowUI] = static_cast<int64_t>(.5 * frameInterval);
-    mThresholds[kSlowSync] = static_cast<int64_t>(.2 * frameInterval);
-    mThresholds[kSlowRT] = static_cast<int64_t>(.75 * frameInterval);
-
-}
-
-void JankTracker::addFrame(const FrameInfo& frame) {
-    using namespace FrameInfoIndex;
-    mTotalFrameCount++;
-    // Fast-path for jank-free frames
-    int64_t totalDuration = frame[kFrameCompleted] - frame[kIntendedVsync];
-    uint32_t framebucket = std::min(
-            static_cast<typeof sizeof(mFrameCounts)>(ns2ms(totalDuration)),
-            sizeof(mFrameCounts) / sizeof(mFrameCounts[0]));
-    // Keep the fast path as fast as possible.
-    if (CC_LIKELY(totalDuration < mFrameInterval)) {
-        mFrameCounts[framebucket]++;
-        return;
-    }
-
-    if (frame[kFlags] & EXEMPT_FRAMES_FLAGS) {
-        return;
-    }
-
-    mFrameCounts[framebucket]++;
-    mJankFrameCount++;
-
-    for (int i = 0; i < NUM_BUCKETS; i++) {
-        int64_t delta = frame[COMPARISONS[i].end] - frame[COMPARISONS[i].start];
-        if (delta >= mThresholds[i] && delta < IGNORE_EXCEEDING) {
-            mBuckets[i].count++;
-        }
-    }
-}
-
-void JankTracker::dump(int fd) {
-    FILE* file = fdopen(fd, "a");
-    fprintf(file, "\nFrame stats:");
-    fprintf(file, "\n  Total frames rendered: %u", mTotalFrameCount);
-    fprintf(file, "\n  Janky frames: %u (%.2f%%)", mJankFrameCount,
-            (float) mJankFrameCount / (float) mTotalFrameCount * 100.0f);
-    fprintf(file, "\n  90th percentile: %ums", findPercentile(90));
-    fprintf(file, "\n  95th percentile: %ums", findPercentile(95));
-    fprintf(file, "\n  99th percentile: %ums", findPercentile(99));
-    for (int i = 0; i < NUM_BUCKETS; i++) {
-        fprintf(file, "\n   Number %s: %u", JANK_TYPE_NAMES[i], mBuckets[i].count);
-    }
-    fprintf(file, "\n");
-    fflush(file);
-}
-
-void JankTracker::reset() {
-    memset(mBuckets, 0, sizeof(mBuckets));
-    memset(mFrameCounts, 0, sizeof(mFrameCounts));
-    mTotalFrameCount = 0;
-    mJankFrameCount = 0;
-}
-
-uint32_t JankTracker::findPercentile(int percentile) {
-    int pos = percentile * mTotalFrameCount / 100;
-    int remaining = mTotalFrameCount - pos;
-    for (int i = sizeof(mFrameCounts) / sizeof(mFrameCounts[0]) - 1; i >= 0; i--) {
-        remaining -= mFrameCounts[i];
-        if (remaining <= 0) {
-            return i;
-        }
-    }
-    return 0;
-}
-
-} /* namespace uirenderer */
-} /* namespace android */
diff --git a/libs/hwui/JankTracker.h b/libs/hwui/JankTracker.h
deleted file mode 100644
index 3d4929b215c6..000000000000
--- a/libs/hwui/JankTracker.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Copyright (C) 2015 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.
- */
-#ifndef JANKTRACKER_H_
-#define JANKTRACKER_H_
-
-#include "FrameInfo.h"
-#include "renderthread/TimeLord.h"
-#include "utils/RingBuffer.h"
-
-#include <memory>
-
-namespace android {
-namespace uirenderer {
-
-enum JankType {
-    kMissedVsync = 0,
-    kHighInputLatency,
-    kSlowUI,
-    kSlowSync,
-    kSlowRT,
-
-    // must be last
-    NUM_BUCKETS,
-};
-
-struct JankBucket {
-    // Number of frames that hit this bucket
-    uint32_t count;
-};
-
-// TODO: Replace DrawProfiler with this
-class JankTracker {
-public:
-    JankTracker(nsecs_t frameIntervalNanos);
-
-    void setFrameInterval(nsecs_t frameIntervalNanos);
-
-    void addFrame(const FrameInfo& frame);
-
-    void dump(int fd);
-    void reset();
-
-private:
-    uint32_t findPercentile(int p);
-
-    JankBucket mBuckets[NUM_BUCKETS];
-    int64_t mThresholds[NUM_BUCKETS];
-    uint32_t mFrameCounts[128];
-
-    int64_t mFrameInterval;
-    uint32_t mTotalFrameCount;
-    uint32_t mJankFrameCount;
-};
-
-} /* namespace uirenderer */
-} /* namespace android */
-
-#endif /* JANKTRACKER_H_ */
diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index 2eaa7719227c..75bd0676d70a 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -47,8 +47,7 @@ CanvasContext::CanvasContext(RenderThread& thread, bool translucent,
         , mOpaque(!translucent)
         , mCanvas(NULL)
         , mHaveNewSurface(false)
-        , mRootRenderNode(rootRenderNode)
-        , mCurrentFrameInfo(NULL) {
+        , mRootRenderNode(rootRenderNode) {
     mAnimationContext = contextFactory->createAnimationContext(mRenderThread.timeLord());
     mRenderThread.renderState().registerCanvasContext(this);
 }
@@ -153,13 +152,9 @@ void CanvasContext::processLayerUpdate(DeferredLayerUpdater* layerUpdater) {
     }
 }
 
-void CanvasContext::prepareTree(TreeInfo& info, int64_t* uiFrameInfo) {
+void CanvasContext::prepareTree(TreeInfo& info) {
     mRenderThread.removeFrameCallback(this);
 
-    mCurrentFrameInfo = &mFrames.next();
-    mCurrentFrameInfo->importUiThreadInfo(uiFrameInfo);
-    mCurrentFrameInfo->markSyncStart();
-
     info.damageAccumulator = &mDamageAccumulator;
     info.renderer = mCanvas;
     if (mPrefetechedLayers.size() && info.mode == TreeInfo::MODE_FULL) {
@@ -209,7 +204,6 @@ void CanvasContext::draw() {
             "drawRenderNode called on a context with no canvas or surface!");
 
     profiler().markPlaybackStart();
-    mCurrentFrameInfo->markIssueDrawCommandsStart();
 
     SkRect dirty;
     mDamageAccumulator.finish(&dirty);
@@ -247,19 +241,12 @@ void CanvasContext::draw() {
 
     profiler().markPlaybackEnd();
 
-    // Even if we decided to cancel the frame, from the perspective of jank
-    // metrics the frame was swapped at this point
-    mCurrentFrameInfo->markSwapBuffers();
-
     if (status & DrawGlInfo::kStatusDrew) {
         swapBuffers();
     } else {
         mEglManager.cancelFrame();
     }
 
-    // TODO: Use a fence for real completion?
-    mCurrentFrameInfo->markFrameCompleted();
-    mRenderThread.jankTracker().addFrame(*mCurrentFrameInfo);
     profiler().finishFrame();
 }
 
@@ -272,14 +259,9 @@ void CanvasContext::doFrame() {
     ATRACE_CALL();
 
     profiler().startFrame();
-    int64_t frameInfo[UI_THREAD_FRAME_INFO_SIZE];
-    UiFrameInfoBuilder(frameInfo)
-        .addFlag(FrameInfoFlags::kRTAnimation)
-        .setVsync(mRenderThread.timeLord().computeFrameTimeNanos(),
-                mRenderThread.timeLord().latestVsync());
 
     TreeInfo info(TreeInfo::MODE_RT_ONLY, mRenderThread.renderState());
-    prepareTree(info, frameInfo);
+    prepareTree(info);
     if (info.out.canDrawThisFrame) {
         draw();
     }
@@ -392,28 +374,6 @@ void CanvasContext::setTextureAtlas(RenderThread& thread,
     thread.eglManager().setTextureAtlas(buffer, map, mapSize);
 }
 
-void CanvasContext::dumpFrames(int fd) {
-    FILE* file = fdopen(fd, "a");
-    fprintf(file, "\n\n---PROFILEDATA---");
-    for (size_t i = 0; i < mFrames.size(); i++) {
-        FrameInfo& frame = mFrames[i];
-        if (frame[FrameInfoIndex::kSyncStart] == 0) {
-            continue;
-        }
-        fprintf(file, "\n");
-        for (int i = 0; i < FrameInfoIndex::kNumIndexes; i++) {
-            fprintf(file, "%" PRId64 ",", frame[i]);
-        }
-    }
-    fprintf(file, "\n---PROFILEDATA---\n\n");
-    fflush(file);
-}
-
-void CanvasContext::resetFrameStats() {
-    mFrames.clear();
-    mRenderThread.jankTracker().reset();
-}
-
 } /* namespace renderthread */
 } /* namespace uirenderer */
 } /* namespace android */
diff --git a/libs/hwui/renderthread/CanvasContext.h b/libs/hwui/renderthread/CanvasContext.h
index 0e8be9d9ed59..0cc2c7c2811a 100644
--- a/libs/hwui/renderthread/CanvasContext.h
+++ b/libs/hwui/renderthread/CanvasContext.h
@@ -17,14 +17,7 @@
 #ifndef CANVASCONTEXT_H_
 #define CANVASCONTEXT_H_
 
-#include "DamageAccumulator.h"
-#include "DrawProfiler.h"
-#include "IContextFactory.h"
-#include "FrameInfo.h"
-#include "RenderNode.h"
-#include "utils/RingBuffer.h"
-#include "renderthread/RenderTask.h"
-#include "renderthread/RenderThread.h"
+#include <set>
 
 #include <cutils/compiler.h>
 #include <EGL/egl.h>
@@ -32,7 +25,14 @@
 #include <utils/Functor.h>
 #include <utils/Vector.h>
 
-#include <set>
+#include "../DamageAccumulator.h"
+#include "../DrawProfiler.h"
+#include "../IContextFactory.h"
+#include "../RenderNode.h"
+#include "RenderTask.h"
+#include "RenderThread.h"
+
+#define FUNCTOR_PROCESS_DELAY 4
 
 namespace android {
 namespace uirenderer {
@@ -75,7 +75,7 @@ public:
     void setOpaque(bool opaque);
     void makeCurrent();
     void processLayerUpdate(DeferredLayerUpdater* layerUpdater);
-    void prepareTree(TreeInfo& info, int64_t* uiFrameInfo);
+    void prepareTree(TreeInfo& info);
     void draw();
     void destroy();
 
@@ -103,9 +103,6 @@ public:
 
     DrawProfiler& profiler() { return mProfiler; }
 
-    void dumpFrames(int fd);
-    void resetFrameStats();
-
 private:
     friend class RegisterFrameCallbackTask;
     // TODO: Replace with something better for layer & other GL object
@@ -136,9 +133,6 @@ private:
     const sp<RenderNode> mRootRenderNode;
 
     DrawProfiler mProfiler;
-    FrameInfo* mCurrentFrameInfo;
-    // Ring buffer large enough for 1 second worth of frames
-    RingBuffer<FrameInfo, 60> mFrames;
 
     std::set<RenderNode*> mPrefetechedLayers;
 };
diff --git a/libs/hwui/renderthread/DrawFrameTask.cpp b/libs/hwui/renderthread/DrawFrameTask.cpp
index 23a020233f27..97b31a95f278 100644
--- a/libs/hwui/renderthread/DrawFrameTask.cpp
+++ b/libs/hwui/renderthread/DrawFrameTask.cpp
@@ -34,6 +34,8 @@ namespace renderthread {
 DrawFrameTask::DrawFrameTask()
         : mRenderThread(NULL)
         , mContext(NULL)
+        , mFrameTimeNanos(0)
+        , mRecordDurationNanos(0)
         , mDensity(1.0f) // safe enough default
         , mSyncResult(kSync_OK) {
 }
@@ -66,12 +68,18 @@ void DrawFrameTask::removeLayerUpdate(DeferredLayerUpdater* layer) {
     }
 }
 
-int DrawFrameTask::drawFrame() {
+int DrawFrameTask::drawFrame(nsecs_t frameTimeNanos, nsecs_t recordDurationNanos) {
     LOG_ALWAYS_FATAL_IF(!mContext, "Cannot drawFrame with no CanvasContext!");
 
     mSyncResult = kSync_OK;
+    mFrameTimeNanos = frameTimeNanos;
+    mRecordDurationNanos = recordDurationNanos;
     postAndWait();
 
+    // Reset the single-frame data
+    mFrameTimeNanos = 0;
+    mRecordDurationNanos = 0;
+
     return mSyncResult;
 }
 
@@ -85,7 +93,7 @@ void DrawFrameTask::run() {
     ATRACE_NAME("DrawFrame");
 
     mContext->profiler().setDensity(mDensity);
-    mContext->profiler().startFrame();
+    mContext->profiler().startFrame(mRecordDurationNanos);
 
     bool canUnblockUiThread;
     bool canDrawThisFrame;
@@ -114,7 +122,7 @@ void DrawFrameTask::run() {
 
 bool DrawFrameTask::syncFrameState(TreeInfo& info) {
     ATRACE_CALL();
-    mRenderThread->timeLord().vsyncReceived(mFrameInfo[FrameInfoIndex::kVsync]);
+    mRenderThread->timeLord().vsyncReceived(mFrameTimeNanos);
     mContext->makeCurrent();
     Caches::getInstance().textureCache.resetMarkInUse();
 
@@ -122,7 +130,7 @@ bool DrawFrameTask::syncFrameState(TreeInfo& info) {
         mContext->processLayerUpdate(mLayers[i].get());
     }
     mLayers.clear();
-    mContext->prepareTree(info, mFrameInfo);
+    mContext->prepareTree(info);
 
     // This is after the prepareTree so that any pending operations
     // (RenderNode tree state, prefetched layers, etc...) will be flushed.
diff --git a/libs/hwui/renderthread/DrawFrameTask.h b/libs/hwui/renderthread/DrawFrameTask.h
index eccb87f29383..28f6cb26fb57 100644
--- a/libs/hwui/renderthread/DrawFrameTask.h
+++ b/libs/hwui/renderthread/DrawFrameTask.h
@@ -25,7 +25,6 @@
 #include "RenderTask.h"
 
 #include "../Rect.h"
-#include "../FrameInfo.h"
 #include "../TreeInfo.h"
 
 namespace android {
@@ -63,9 +62,7 @@ public:
     void removeLayerUpdate(DeferredLayerUpdater* layer);
 
     void setDensity(float density) { mDensity = density; }
-    int drawFrame();
-
-    int64_t* frameInfo() { return mFrameInfo; }
+    int drawFrame(nsecs_t frameTimeNanos, nsecs_t recordDurationNanos);
 
     virtual void run();
 
@@ -83,12 +80,12 @@ private:
     /*********************************************
      *  Single frame data
      *********************************************/
+    nsecs_t mFrameTimeNanos;
+    nsecs_t mRecordDurationNanos;
     float mDensity;
     std::vector< sp<DeferredLayerUpdater> > mLayers;
 
     int mSyncResult;
-
-    int64_t mFrameInfo[UI_THREAD_FRAME_INFO_SIZE];
 };
 
 } /* namespace renderthread */
diff --git a/libs/hwui/renderthread/RenderProxy.cpp b/libs/hwui/renderthread/RenderProxy.cpp
index 088c65b939ef..6d063a4b0ce0 100644
--- a/libs/hwui/renderthread/RenderProxy.cpp
+++ b/libs/hwui/renderthread/RenderProxy.cpp
@@ -16,14 +16,14 @@
 
 #include "RenderProxy.h"
 
-#include "DeferredLayerUpdater.h"
-#include "DisplayList.h"
-#include "LayerRenderer.h"
-#include "Rect.h"
-#include "renderthread/CanvasContext.h"
-#include "renderthread/RenderTask.h"
-#include "renderthread/RenderThread.h"
-#include "utils/Macros.h"
+#include "CanvasContext.h"
+#include "RenderTask.h"
+#include "RenderThread.h"
+
+#include "../DeferredLayerUpdater.h"
+#include "../DisplayList.h"
+#include "../LayerRenderer.h"
+#include "../Rect.h"
 
 namespace android {
 namespace uirenderer {
@@ -52,11 +52,6 @@ namespace renderthread {
     MethodInvokeRenderTask* task = new MethodInvokeRenderTask((RunnableMethod) Bridge_ ## method); \
     ARGS(method) *args = (ARGS(method) *) task->payload()
 
-HWUI_ENUM(DumpFlags,
-        kFrameStats = 1 << 0,
-        kReset      = 1 << 1,
-);
-
 CREATE_BRIDGE4(createContext, RenderThread* thread, bool translucent,
         RenderNode* rootRenderNode, IContextFactory* contextFactory) {
     return new CanvasContext(*args->thread, args->translucent,
@@ -97,7 +92,7 @@ void RenderProxy::destroyContext() {
 }
 
 CREATE_BRIDGE2(setFrameInterval, RenderThread* thread, nsecs_t frameIntervalNanos) {
-    args->thread->setFrameInterval(args->frameIntervalNanos);
+    args->thread->timeLord().setFrameInterval(args->frameIntervalNanos);
     return NULL;
 }
 
@@ -180,8 +175,7 @@ CREATE_BRIDGE7(setup, CanvasContext* context, int width, int height,
 }
 
 void RenderProxy::setup(int width, int height, const Vector3& lightCenter, float lightRadius,
-        uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha, float density) {
-    mDrawFrameTask.setDensity(density);
+        uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) {
     SETUP_TASK(setup);
     args->context = mContext;
     args->width = width;
@@ -205,12 +199,10 @@ void RenderProxy::setOpaque(bool opaque) {
     post(task);
 }
 
-int64_t* RenderProxy::frameInfo() {
-    return mDrawFrameTask.frameInfo();
-}
-
-int RenderProxy::syncAndDrawFrame() {
-    return mDrawFrameTask.drawFrame();
+int RenderProxy::syncAndDrawFrame(nsecs_t frameTimeNanos, nsecs_t recordDurationNanos,
+        float density) {
+    mDrawFrameTask.setDensity(density);
+    return mDrawFrameTask.drawFrame(frameTimeNanos, recordDurationNanos);
 }
 
 CREATE_BRIDGE1(destroy, CanvasContext* context) {
@@ -379,28 +371,19 @@ void RenderProxy::notifyFramePending() {
     mRenderThread.queueAtFront(task);
 }
 
-CREATE_BRIDGE3(dumpProfileInfo, CanvasContext* context, int fd, int dumpFlags) {
+CREATE_BRIDGE2(dumpProfileInfo, CanvasContext* context, int fd) {
     args->context->profiler().dumpData(args->fd);
-
-    if (args->dumpFlags & DumpFlags::kFrameStats) {
-        args->context->dumpFrames(args->fd);
-    }
-    if (args->dumpFlags & DumpFlags::kReset) {
-        args->context->resetFrameStats();
-    }
     return NULL;
 }
 
-void RenderProxy::dumpProfileInfo(int fd, int dumpFlags) {
+void RenderProxy::dumpProfileInfo(int fd) {
     SETUP_TASK(dumpProfileInfo);
     args->context = mContext;
     args->fd = fd;
-    args->dumpFlags = dumpFlags;
     postAndWait(task);
 }
 
-CREATE_BRIDGE2(outputLogBuffer, int fd, RenderThread* thread) {
-    args->thread->jankTracker().dump(args->fd);
+CREATE_BRIDGE1(outputLogBuffer, int fd) {
     RenderNode::outputLogBuffer(args->fd);
     return NULL;
 }
@@ -408,7 +391,6 @@ CREATE_BRIDGE2(outputLogBuffer, int fd, RenderThread* thread) {
 void RenderProxy::outputLogBuffer(int fd) {
     SETUP_TASK(outputLogBuffer);
     args->fd = fd;
-    args->thread = &RenderThread::getInstance();
     staticPostAndWait(task);
 }
 
diff --git a/libs/hwui/renderthread/RenderProxy.h b/libs/hwui/renderthread/RenderProxy.h
index d86f1fca466f..fd1fe05ffbdb 100644
--- a/libs/hwui/renderthread/RenderProxy.h
+++ b/libs/hwui/renderthread/RenderProxy.h
@@ -71,10 +71,10 @@ public:
     ANDROID_API void updateSurface(const sp<ANativeWindow>& window);
     ANDROID_API bool pauseSurface(const sp<ANativeWindow>& window);
     ANDROID_API void setup(int width, int height, const Vector3& lightCenter, float lightRadius,
-            uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha, float density);
+            uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha);
     ANDROID_API void setOpaque(bool opaque);
-    ANDROID_API int64_t* frameInfo();
-    ANDROID_API int syncAndDrawFrame();
+    ANDROID_API int syncAndDrawFrame(nsecs_t frameTimeNanos, nsecs_t recordDurationNanos,
+            float density);
     ANDROID_API void destroy();
 
     ANDROID_API static void invokeFunctor(Functor* functor, bool waitForCompletion);
@@ -95,7 +95,7 @@ public:
     ANDROID_API void stopDrawing();
     ANDROID_API void notifyFramePending();
 
-    ANDROID_API void dumpProfileInfo(int fd, int dumpFlags);
+    ANDROID_API void dumpProfileInfo(int fd);
     ANDROID_API static void outputLogBuffer(int fd);
 
     ANDROID_API void setTextureAtlas(const sp<GraphicBuffer>& buffer, int64_t* map, size_t size);
diff --git a/libs/hwui/renderthread/RenderThread.cpp b/libs/hwui/renderthread/RenderThread.cpp
index 7a8c3cee088d..84826b7a3bff 100644
--- a/libs/hwui/renderthread/RenderThread.cpp
+++ b/libs/hwui/renderthread/RenderThread.cpp
@@ -143,8 +143,7 @@ RenderThread::RenderThread() : Thread(true), Singleton<RenderThread>()
         , mFrameCallbackTaskPending(false)
         , mFrameCallbackTask(0)
         , mRenderState(NULL)
-        , mEglManager(NULL)
-        , mJankTracker(NULL) {
+        , mEglManager(NULL) {
     mFrameCallbackTask = new DispatchFrameCallbacks(this);
     mLooper = new Looper(false);
     run("RenderThread");
@@ -154,11 +153,6 @@ RenderThread::~RenderThread() {
     LOG_ALWAYS_FATAL("Can't destroy the render thread");
 }
 
-void RenderThread::setFrameInterval(nsecs_t frameInterval) {
-    mTimeLord.setFrameInterval(frameInterval);
-    mJankTracker->setFrameInterval(frameInterval);
-}
-
 void RenderThread::initializeDisplayEventReceiver() {
     LOG_ALWAYS_FATAL_IF(mDisplayEventReceiver, "Initializing a second DisplayEventReceiver?");
     mDisplayEventReceiver = new DisplayEventReceiver();
@@ -175,7 +169,6 @@ void RenderThread::initThreadLocals() {
     initializeDisplayEventReceiver();
     mEglManager = new EglManager(*this);
     mRenderState = new RenderState(*this);
-    mJankTracker = new JankTracker(mTimeLord.frameIntervalNanos());
 }
 
 int RenderThread::displayEventReceiverCallback(int fd, int events, void* data) {
diff --git a/libs/hwui/renderthread/RenderThread.h b/libs/hwui/renderthread/RenderThread.h
index 8a28a35aabc2..99c2e1527ea2 100644
--- a/libs/hwui/renderthread/RenderThread.h
+++ b/libs/hwui/renderthread/RenderThread.h
@@ -19,8 +19,8 @@
 
 #include "RenderTask.h"
 
-#include "../JankTracker.h"
-#include "TimeLord.h"
+#include <memory>
+#include <set>
 
 #include <cutils/compiler.h>
 #include <utils/Looper.h>
@@ -28,8 +28,7 @@
 #include <utils/Singleton.h>
 #include <utils/Thread.h>
 
-#include <memory>
-#include <set>
+#include "TimeLord.h"
 
 namespace android {
 
@@ -86,12 +85,9 @@ public:
     // the next vsync. If it is not currently registered this does nothing.
     void pushBackFrameCallback(IFrameCallback* callback);
 
-    void setFrameInterval(nsecs_t frameInterval);
-
     TimeLord& timeLord() { return mTimeLord; }
     RenderState& renderState() { return *mRenderState; }
     EglManager& eglManager() { return *mEglManager; }
-    JankTracker& jankTracker() { return *mJankTracker; }
 
 protected:
     virtual bool threadLoop();
@@ -136,8 +132,6 @@ private:
     TimeLord mTimeLord;
     RenderState* mRenderState;
     EglManager* mEglManager;
-
-    JankTracker* mJankTracker;
 };
 
 } /* namespace renderthread */
diff --git a/libs/hwui/renderthread/TimeLord.cpp b/libs/hwui/renderthread/TimeLord.cpp
index f846d6a44473..f18749317ab6 100644
--- a/libs/hwui/renderthread/TimeLord.cpp
+++ b/libs/hwui/renderthread/TimeLord.cpp
@@ -32,7 +32,7 @@ bool TimeLord::vsyncReceived(nsecs_t vsync) {
     return false;
 }
 
-nsecs_t TimeLord::computeFrameTimeNanos() {
+nsecs_t TimeLord::computeFrameTimeMs() {
     // Logic copied from Choreographer.java
     nsecs_t now = systemTime(CLOCK_MONOTONIC);
     nsecs_t jitterNanos = now - mFrameTimeNanos;
@@ -40,11 +40,7 @@ nsecs_t TimeLord::computeFrameTimeNanos() {
         nsecs_t lastFrameOffset = jitterNanos % mFrameIntervalNanos;
         mFrameTimeNanos = now - lastFrameOffset;
     }
-    return mFrameTimeNanos;
-}
-
-nsecs_t TimeLord::computeFrameTimeMs() {
-    return nanoseconds_to_milliseconds(computeFrameTimeNanos());
+    return nanoseconds_to_milliseconds(mFrameTimeNanos);
 }
 
 } /* namespace renderthread */
diff --git a/libs/hwui/renderthread/TimeLord.h b/libs/hwui/renderthread/TimeLord.h
index 5464399234fb..7c155d28feef 100644
--- a/libs/hwui/renderthread/TimeLord.h
+++ b/libs/hwui/renderthread/TimeLord.h
@@ -29,13 +29,9 @@ class RenderThread;
 class TimeLord {
 public:
     void setFrameInterval(nsecs_t intervalNanos) { mFrameIntervalNanos = intervalNanos; }
-    nsecs_t frameIntervalNanos() const { return mFrameIntervalNanos; }
-
     // returns true if the vsync is newer, false if it was rejected for staleness
     bool vsyncReceived(nsecs_t vsync);
-    nsecs_t latestVsync() { return mFrameTimeNanos; }
     nsecs_t computeFrameTimeMs();
-    nsecs_t computeFrameTimeNanos();
 
 private:
     friend class RenderThread;
diff --git a/libs/hwui/tests/main.cpp b/libs/hwui/tests/main.cpp
index 33b8103cdb84..2d99e9f7686c 100644
--- a/libs/hwui/tests/main.cpp
+++ b/libs/hwui/tests/main.cpp
@@ -88,7 +88,7 @@ int main(int argc, char* argv[]) {
     proxy->initialize(surface);
     float lightX = width / 2.0;
     proxy->setup(width, height, (Vector3){lightX, dp(-200.0f), dp(800.0f)},
-            dp(800.0f), 255 * 0.075, 255 * 0.15, gDisplay.density);
+            dp(800.0f), 255 * 0.075, 255 * 0.15);
 
     android::uirenderer::Rect DUMMY;
 
@@ -116,7 +116,8 @@ int main(int argc, char* argv[]) {
             cards[ci]->mutateStagingProperties().setTranslationY(i);
             cards[ci]->setPropertyFieldsDirty(RenderNode::X | RenderNode::Y);
         }
-        proxy->syncAndDrawFrame();
+        nsecs_t frameTimeNs = systemTime(CLOCK_MONOTONIC);
+        proxy->syncAndDrawFrame(frameTimeNs, 0, gDisplay.density);
         usleep(12000);
     }
 
diff --git a/libs/hwui/utils/Macros.h b/libs/hwui/utils/Macros.h
index 068b32b3fe68..5b7c87ceef8f 100644
--- a/libs/hwui/utils/Macros.h
+++ b/libs/hwui/utils/Macros.h
@@ -29,12 +29,4 @@
         friend inline int compare_type(const Type& lhs, const Type& rhs) { return lhs.compare(rhs); } \
         friend inline hash_t hash_type(const Type& entry) { return entry.hash(); }
 
-#define HWUI_ENUM(name, ...) \
-    namespace name { \
-        enum _##name { \
-            __VA_ARGS__ \
-        }; \
-    } \
-    typedef enum name::_##name name##Enum
-
 #endif /* MACROS_H */
diff --git a/libs/hwui/utils/RingBuffer.h b/libs/hwui/utils/RingBuffer.h
deleted file mode 100644
index 62b22fdcef42..000000000000
--- a/libs/hwui/utils/RingBuffer.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Copyright (C) 2015 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.
- */
-#ifndef RINGBUFFER_H_
-#define RINGBUFFER_H_
-
-#include "utils/Macros.h"
-
-#include <stddef.h>
-
-namespace android {
-namespace uirenderer {
-
-template<class T, size_t SIZE>
-class RingBuffer {
-    PREVENT_COPY_AND_ASSIGN(RingBuffer);
-
-public:
-    RingBuffer() : mHead(-1), mCount(0) {}
-    ~RingBuffer() {}
-
-    size_t capacity() { return SIZE; }
-    size_t size() { return mCount; }
-
-    T& next() {
-        mHead = (mHead + 1) % SIZE;
-        if (mCount < SIZE) {
-            mCount++;
-        }
-        return mBuffer[mHead];
-    }
-
-    T& front() {
-        return this[0];
-    }
-
-    T& back() {
-        return this[size() - 1];
-    }
-
-    T& operator[](size_t index) {
-        return mBuffer[(mHead + index + 1) % mCount];
-    }
-
-    void clear() {
-        mCount = 0;
-        mHead = -1;
-    }
-
-private:
-    T mBuffer[SIZE];
-    int mHead;
-    size_t mCount;
-};
-
-}; // namespace uirenderer
-}; // namespace android
-
-#endif /* RINGBUFFER_H_ */