diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index 5836f11..7ac0eb7 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -62,7 +62,7 @@
 
 using std::string;
 
-#define MAX_SYS_FILES 10
+#define MAX_SYS_FILES 11
 
 const char* k_traceTagsProperty = "debug.atrace.tags.enableflags";
 const char* k_userInitiatedTraceProperty = "debug.atrace.user_initiated";
@@ -133,7 +133,11 @@
         { OPT,      "events/sched/sched_blocked_reason/enable" },
         { OPT,      "events/sched/sched_cpu_hotplug/enable" },
         { OPT,      "events/sched/sched_pi_setprio/enable" },
+        { OPT,      "events/sched/sched_process_exit/enable" },
         { OPT,      "events/cgroup/enable" },
+        { OPT,      "events/oom/oom_score_adj_update/enable" },
+        { OPT,      "events/task/task_rename/enable" },
+        { OPT,      "events/task/task_newtask/enable" },
     } },
     { "irq",        "IRQ Events",   0, {
         { REQ,      "events/irq/enable" },
@@ -231,10 +235,6 @@
         { OPT,      "events/kmem/rss_stat/enable" },
         { OPT,      "events/kmem/ion_heap_grow/enable" },
         { OPT,      "events/kmem/ion_heap_shrink/enable" },
-        { OPT,      "events/oom/oom_score_adj_update/enable" },
-        { OPT,      "events/sched/sched_process_exit/enable" },
-        { OPT,      "events/task/task_rename/enable" },
-        { OPT,      "events/task/task_newtask/enable" },
     } },
 };
 
diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index 7c58a85..032d072 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -33,6 +33,8 @@
     chmod 0666 /sys/kernel/tracing/events/sched/sched_cpu_hotplug/enable
     chmod 0666 /sys/kernel/debug/tracing/events/sched/sched_pi_setprio/enable
     chmod 0666 /sys/kernel/tracing/events/sched/sched_pi_setprio/enable
+    chmod 0666 /sys/kernel/debug/tracing/events/sched/sched_process_exit/enable
+    chmod 0666 /sys/kernel/tracing/events/sched/sched_process_exit/enable
     chmod 0666 /sys/kernel/debug/tracing/events/sched/sched_waking/enable
     chmod 0666 /sys/kernel/tracing/events/sched/sched_waking/enable
     chmod 0666 /sys/kernel/debug/tracing/events/cgroup/enable
diff --git a/libs/graphicsenv/GpuStatsInfo.cpp b/libs/graphicsenv/GpuStatsInfo.cpp
index 0fa0d9e..f89b4c1 100644
--- a/libs/graphicsenv/GpuStatsInfo.cpp
+++ b/libs/graphicsenv/GpuStatsInfo.cpp
@@ -34,6 +34,9 @@
     if ((status = parcel->writeInt32(glLoadingFailureCount)) != OK) return status;
     if ((status = parcel->writeInt32(vkLoadingCount)) != OK) return status;
     if ((status = parcel->writeInt32(vkLoadingFailureCount)) != OK) return status;
+    if ((status = parcel->writeInt32(vulkanVersion)) != OK) return status;
+    if ((status = parcel->writeInt32(cpuVulkanVersion)) != OK) return status;
+    if ((status = parcel->writeInt32(glesVersion)) != OK) return status;
     return OK;
 }
 
@@ -47,6 +50,9 @@
     if ((status = parcel->readInt32(&glLoadingFailureCount)) != OK) return status;
     if ((status = parcel->readInt32(&vkLoadingCount)) != OK) return status;
     if ((status = parcel->readInt32(&vkLoadingFailureCount)) != OK) return status;
+    if ((status = parcel->readInt32(&vulkanVersion)) != OK) return status;
+    if ((status = parcel->readInt32(&cpuVulkanVersion)) != OK) return status;
+    if ((status = parcel->readInt32(&glesVersion)) != OK) return status;
     return OK;
 }
 
@@ -60,6 +66,9 @@
     StringAppendF(&result, "glLoadingFailureCount = %d\n", glLoadingFailureCount);
     StringAppendF(&result, "vkLoadingCount = %d\n", vkLoadingCount);
     StringAppendF(&result, "vkLoadingFailureCount = %d\n", vkLoadingFailureCount);
+    StringAppendF(&result, "vulkanVersion = %d\n", vulkanVersion);
+    StringAppendF(&result, "cpuVulkanVersion = %d\n", cpuVulkanVersion);
+    StringAppendF(&result, "glesVersion = %d\n", glesVersion);
     return result;
 }
 
diff --git a/libs/graphicsenv/GraphicsEnv.cpp b/libs/graphicsenv/GraphicsEnv.cpp
index 13c0d87..8728f03 100644
--- a/libs/graphicsenv/GraphicsEnv.cpp
+++ b/libs/graphicsenv/GraphicsEnv.cpp
@@ -162,7 +162,8 @@
 
 void GraphicsEnv::setGpuStats(const std::string& driverPackageName,
                               const std::string& driverVersionName, uint64_t driverVersionCode,
-                              int64_t driverBuildTime, const std::string& appPackageName) {
+                              int64_t driverBuildTime, const std::string& appPackageName,
+                              const int vulkanVersion) {
     ATRACE_CALL();
 
     std::lock_guard<std::mutex> lock(mStatsLock);
@@ -171,15 +172,17 @@
           "\tdriverVersionName[%s]\n"
           "\tdriverVersionCode[%" PRIu64 "]\n"
           "\tdriverBuildTime[%" PRId64 "]\n"
-          "\tappPackageName[%s]\n",
+          "\tappPackageName[%s]\n"
+          "\tvulkanVersion[%d]\n",
           driverPackageName.c_str(), driverVersionName.c_str(), driverVersionCode, driverBuildTime,
-          appPackageName.c_str());
+          appPackageName.c_str(), vulkanVersion);
 
     mGpuStats.driverPackageName = driverPackageName;
     mGpuStats.driverVersionName = driverVersionName;
     mGpuStats.driverVersionCode = driverVersionCode;
     mGpuStats.driverBuildTime = driverBuildTime;
     mGpuStats.appPackageName = appPackageName;
+    mGpuStats.vulkanVersion = vulkanVersion;
 }
 
 void GraphicsEnv::setDriverToLoad(GraphicsEnv::Driver driver) {
@@ -270,19 +273,20 @@
           "\tdriverVersionCode[%" PRIu64 "]\n"
           "\tdriverBuildTime[%" PRId64 "]\n"
           "\tappPackageName[%s]\n"
+          "\tvulkanVersion[%d]\n"
           "\tdriver[%d]\n"
           "\tisDriverLoaded[%d]\n"
           "\tdriverLoadingTime[%" PRId64 "]",
           mGpuStats.driverPackageName.c_str(), mGpuStats.driverVersionName.c_str(),
           mGpuStats.driverVersionCode, mGpuStats.driverBuildTime, mGpuStats.appPackageName.c_str(),
-          static_cast<int32_t>(driver), isDriverLoaded, driverLoadingTime);
+          mGpuStats.vulkanVersion, static_cast<int32_t>(driver), isDriverLoaded, driverLoadingTime);
 
     const sp<IGpuService> gpuService = getGpuService();
     if (gpuService) {
         gpuService->setGpuStats(mGpuStats.driverPackageName, mGpuStats.driverVersionName,
                                 mGpuStats.driverVersionCode, mGpuStats.driverBuildTime,
-                                mGpuStats.appPackageName, driver, isDriverLoaded,
-                                driverLoadingTime);
+                                mGpuStats.appPackageName, mGpuStats.vulkanVersion, driver,
+                                isDriverLoaded, driverLoadingTime);
     }
 }
 
diff --git a/libs/graphicsenv/IGpuService.cpp b/libs/graphicsenv/IGpuService.cpp
index 1dc1c0e..100dca5 100644
--- a/libs/graphicsenv/IGpuService.cpp
+++ b/libs/graphicsenv/IGpuService.cpp
@@ -30,8 +30,8 @@
     virtual void setGpuStats(const std::string& driverPackageName,
                              const std::string& driverVersionName, uint64_t driverVersionCode,
                              int64_t driverBuildTime, const std::string& appPackageName,
-                             GraphicsEnv::Driver driver, bool isDriverLoaded,
-                             int64_t driverLoadingTime) {
+                             const int32_t vulkanVersion, GraphicsEnv::Driver driver,
+                             bool isDriverLoaded, int64_t driverLoadingTime) {
         Parcel data, reply;
         data.writeInterfaceToken(IGpuService::getInterfaceDescriptor());
 
@@ -40,6 +40,7 @@
         data.writeUint64(driverVersionCode);
         data.writeInt64(driverBuildTime);
         data.writeUtf8AsUtf16(appPackageName);
+        data.writeInt32(vulkanVersion);
         data.writeInt32(static_cast<int32_t>(driver));
         data.writeBool(isDriverLoaded);
         data.writeInt64(driverLoadingTime);
@@ -118,6 +119,9 @@
             std::string appPackageName;
             if ((status = data.readUtf8FromUtf16(&appPackageName)) != OK) return status;
 
+            int32_t vulkanVersion;
+            if ((status = data.readInt32(&vulkanVersion)) != OK) return status;
+
             int32_t driver;
             if ((status = data.readInt32(&driver)) != OK) return status;
 
@@ -128,8 +132,8 @@
             if ((status = data.readInt64(&driverLoadingTime)) != OK) return status;
 
             setGpuStats(driverPackageName, driverVersionName, driverVersionCode, driverBuildTime,
-                        appPackageName, static_cast<GraphicsEnv::Driver>(driver), isDriverLoaded,
-                        driverLoadingTime);
+                        appPackageName, vulkanVersion, static_cast<GraphicsEnv::Driver>(driver),
+                        isDriverLoaded, driverLoadingTime);
 
             return OK;
         }
diff --git a/libs/graphicsenv/include/graphicsenv/GpuStatsInfo.h b/libs/graphicsenv/include/graphicsenv/GpuStatsInfo.h
index a92ca70..98ab02b 100644
--- a/libs/graphicsenv/include/graphicsenv/GpuStatsInfo.h
+++ b/libs/graphicsenv/include/graphicsenv/GpuStatsInfo.h
@@ -44,6 +44,9 @@
     int32_t glLoadingFailureCount = 0;
     int32_t vkLoadingCount = 0;
     int32_t vkLoadingFailureCount = 0;
+    int32_t vulkanVersion = 0;
+    int32_t cpuVulkanVersion = 0;
+    int32_t glesVersion = 0;
 };
 
 /*
diff --git a/libs/graphicsenv/include/graphicsenv/GraphicsEnv.h b/libs/graphicsenv/include/graphicsenv/GraphicsEnv.h
index cb4239f..b10cab7 100644
--- a/libs/graphicsenv/include/graphicsenv/GraphicsEnv.h
+++ b/libs/graphicsenv/include/graphicsenv/GraphicsEnv.h
@@ -50,6 +50,7 @@
         uint64_t driverVersionCode;
         int64_t driverBuildTime;
         std::string appPackageName;
+        int32_t vulkanVersion;
         Driver glDriverToLoad;
         Driver glDriverFallback;
         Driver vkDriverToLoad;
@@ -61,6 +62,7 @@
                 driverVersionCode(0),
                 driverBuildTime(0),
                 appPackageName(""),
+                vulkanVersion(0),
                 glDriverToLoad(Driver::NONE),
                 glDriverFallback(Driver::NONE),
                 vkDriverToLoad(Driver::NONE),
@@ -84,7 +86,7 @@
     android_namespace_t* getDriverNamespace();
     void setGpuStats(const std::string& driverPackageName, const std::string& driverVersionName,
                      uint64_t versionCode, int64_t driverBuildTime,
-                     const std::string& appPackageName);
+                     const std::string& appPackageName, const int32_t vulkanVersion);
     void setDriverToLoad(Driver driver);
     void setDriverLoaded(Api api, bool isDriverLoaded, int64_t driverLoadingTime);
     void clearDriverLoadingInfo(Api api);
diff --git a/libs/graphicsenv/include/graphicsenv/IGpuService.h b/libs/graphicsenv/include/graphicsenv/IGpuService.h
index ac022b5..5bf0269 100644
--- a/libs/graphicsenv/include/graphicsenv/IGpuService.h
+++ b/libs/graphicsenv/include/graphicsenv/IGpuService.h
@@ -37,8 +37,8 @@
     virtual void setGpuStats(const std::string& driverPackageName,
                              const std::string& driverVersionName, uint64_t driverVersionCode,
                              int64_t driverBuildTime, const std::string& appPackageName,
-                             GraphicsEnv::Driver driver, bool isDriverLoaded,
-                             int64_t driverLoadingTime) = 0;
+                             const int32_t vulkanVersion, GraphicsEnv::Driver driver,
+                             bool isDriverLoaded, int64_t driverLoadingTime) = 0;
 
     // get GPU global stats from GpuStats module.
     virtual status_t getGpuStatsGlobalInfo(std::vector<GpuStatsGlobalInfo>* outStats) const = 0;
diff --git a/libs/gui/BufferQueue.cpp b/libs/gui/BufferQueue.cpp
index d87228f..5fb3f0b 100644
--- a/libs/gui/BufferQueue.cpp
+++ b/libs/gui/BufferQueue.cpp
@@ -59,13 +59,6 @@
     }
 }
 
-void BufferQueue::ProxyConsumerListener::onBufferAllocated(const BufferItem& item) {
-    sp<ConsumerListener> listener(mConsumerListener.promote());
-    if (listener != nullptr) {
-        listener->onBufferAllocated(item);
-    }
-}
-
 void BufferQueue::ProxyConsumerListener::onBuffersReleased() {
     sp<ConsumerListener> listener(mConsumerListener.promote());
     if (listener != nullptr) {
diff --git a/libs/gui/BufferQueueProducer.cpp b/libs/gui/BufferQueueProducer.cpp
index c94c6b3..3928bb9 100644
--- a/libs/gui/BufferQueueProducer.cpp
+++ b/libs/gui/BufferQueueProducer.cpp
@@ -539,13 +539,6 @@
                 return NO_INIT;
             }
 
-            if (mCore->mConsumerListener != nullptr) {
-                BufferItem item;
-                item.mGraphicBuffer = graphicBuffer;
-                item.mSlot = *outSlot;
-                mCore->mConsumerListener->onBufferAllocated(item);
-            }
-
             VALIDATE_CONSISTENCY();
         } // Autolock scope
     }
@@ -975,9 +968,6 @@
         item.mGraphicBuffer.clear();
     }
 
-    // Don't send the slot number through the callback since the consumer shouldn't need it
-    item.mSlot = BufferItem::INVALID_BUFFER_SLOT;
-
     // Call back without the main BufferQueue lock held, but with the callback
     // lock held so we can ensure that callbacks occur in order
 
@@ -1433,13 +1423,6 @@
                 BQ_LOGV("allocateBuffers: allocated a new buffer in slot %d",
                         *slot);
 
-                if (mCore->mConsumerListener != nullptr) {
-                    BufferItem item;
-                    item.mGraphicBuffer = buffers[i];
-                    item.mSlot = *slot;
-                    mCore->mConsumerListener->onBufferAllocated(item);
-                }
-
                 // Make sure the erase is done after all uses of the slot
                 // iterator since it will be invalid after this point.
                 mCore->mFreeSlots.erase(slot);
diff --git a/libs/gui/ConsumerBase.cpp b/libs/gui/ConsumerBase.cpp
index 1e94cc1..abd9921 100644
--- a/libs/gui/ConsumerBase.cpp
+++ b/libs/gui/ConsumerBase.cpp
@@ -131,8 +131,6 @@
     }
 }
 
-void ConsumerBase::onBufferAllocated(const BufferItem& /*item*/) {}
-
 void ConsumerBase::onBuffersReleased() {
     Mutex::Autolock lock(mMutex);
 
diff --git a/libs/gui/IConsumerListener.cpp b/libs/gui/IConsumerListener.cpp
index ea9045c..85ac304 100644
--- a/libs/gui/IConsumerListener.cpp
+++ b/libs/gui/IConsumerListener.cpp
@@ -28,8 +28,7 @@
     ON_FRAME_REPLACED,
     ON_BUFFERS_RELEASED,
     ON_SIDEBAND_STREAM_CHANGED,
-    ON_BUFFER_ALLOCATED,
-    LAST = ON_BUFFER_ALLOCATED,
+    LAST = ON_SIDEBAND_STREAM_CHANGED,
 };
 
 } // Anonymous namespace
@@ -55,11 +54,6 @@
                                                                        item);
     }
 
-    void onBufferAllocated(const BufferItem& item) override {
-        callRemoteAsync<decltype(&IConsumerListener::onBufferAllocated)>(Tag::ON_BUFFER_ALLOCATED,
-                                                                         item);
-    }
-
     void onBuffersReleased() override {
         callRemoteAsync<decltype(&IConsumerListener::onBuffersReleased)>(Tag::ON_BUFFERS_RELEASED);
     }
@@ -95,8 +89,6 @@
             return callLocalAsync(data, reply, &IConsumerListener::onFrameAvailable);
         case Tag::ON_FRAME_REPLACED:
             return callLocalAsync(data, reply, &IConsumerListener::onFrameReplaced);
-        case Tag::ON_BUFFER_ALLOCATED:
-            return callLocalAsync(data, reply, &IConsumerListener::onBufferAllocated);
         case Tag::ON_BUFFERS_RELEASED:
             return callLocalAsync(data, reply, &IConsumerListener::onBuffersReleased);
         case Tag::ON_SIDEBAND_STREAM_CHANGED:
diff --git a/libs/gui/bufferqueue/1.0/H2BGraphicBufferProducer.cpp b/libs/gui/bufferqueue/1.0/H2BGraphicBufferProducer.cpp
index e64ba9b..cee1b81 100644
--- a/libs/gui/bufferqueue/1.0/H2BGraphicBufferProducer.cpp
+++ b/libs/gui/bufferqueue/1.0/H2BGraphicBufferProducer.cpp
@@ -1061,7 +1061,7 @@
 
 status_t H2BGraphicBufferProducer::attachBuffer(
         int* outSlot, const sp<GraphicBuffer>& buffer) {
-    AnwBuffer tBuffer;
+    AnwBuffer tBuffer{};
     wrapAs(&tBuffer, *buffer);
     status_t fnStatus;
     status_t transStatus = toStatusT(mBase->attachBuffer(tBuffer,
@@ -1076,7 +1076,7 @@
         int slot,
         const QueueBufferInput& input,
         QueueBufferOutput* output) {
-    HGraphicBufferProducer::QueueBufferInput tInput;
+    HGraphicBufferProducer::QueueBufferInput tInput{};
     native_handle_t* nh;
     if (!wrapAs(&tInput, &nh, input)) {
         ALOGE("H2BGraphicBufferProducer::queueBuffer - "
diff --git a/libs/gui/bufferqueue/2.0/B2HGraphicBufferProducer.cpp b/libs/gui/bufferqueue/2.0/B2HGraphicBufferProducer.cpp
index e039593..e891ec5 100644
--- a/libs/gui/bufferqueue/2.0/B2HGraphicBufferProducer.cpp
+++ b/libs/gui/bufferqueue/2.0/B2HGraphicBufferProducer.cpp
@@ -15,7 +15,7 @@
  */
 
 //#define LOG_NDEBUG 0
-#define LOG_TAG "H2BGraphicBufferProducer@2.0"
+#define LOG_TAG "B2HGraphicBufferProducer@2.0"
 
 #include <android-base/logging.h>
 
@@ -30,13 +30,38 @@
 #include <vndk/hardware_buffer.h>
 
 namespace android {
-
 namespace hardware {
 namespace graphics {
 namespace bufferqueue {
 namespace V2_0 {
 namespace utils {
 
+namespace /* unnamed */ {
+
+using BQueueBufferInput = ::android::
+        IGraphicBufferProducer::QueueBufferInput;
+using HQueueBufferInput = ::android::hardware::graphics::bufferqueue::V2_0::
+        IGraphicBufferProducer::QueueBufferInput;
+using BQueueBufferOutput = ::android::
+        IGraphicBufferProducer::QueueBufferOutput;
+using HQueueBufferOutput = ::android::hardware::graphics::bufferqueue::V2_0::
+        IGraphicBufferProducer::QueueBufferOutput;
+
+using ::android::hardware::graphics::bufferqueue::V2_0::utils::b2h;
+using ::android::hardware::graphics::bufferqueue::V2_0::utils::h2b;
+
+bool b2h(BQueueBufferOutput const& from, HQueueBufferOutput* to) {
+    to->width = from.width;
+    to->height = from.height;
+    to->transformHint = static_cast<int32_t>(from.transformHint);
+    to->numPendingBuffers = from.numPendingBuffers;
+    to->nextFrameNumber = from.nextFrameNumber;
+    to->bufferReplaced = from.bufferReplaced;
+    return true;
+}
+
+} // unnamed namespace
+
 // B2HGraphicBufferProducer
 // ========================
 
@@ -161,11 +186,7 @@
         int32_t slot,
         QueueBufferInput const& hInput,
         queueBuffer_cb _hidl_cb) {
-    using HOutput = QueueBufferOutput;
-    using BInput = BGraphicBufferProducer::QueueBufferInput;
-    using BOutput = BGraphicBufferProducer::QueueBufferOutput;
-
-    BInput bInput{
+    BQueueBufferInput bInput{
             hInput.timestamp,
             hInput.isAutoTimestamp,
             static_cast<android_dataspace>(hInput.dataSpace),
@@ -178,35 +199,32 @@
 
     // Convert crop.
     if (!h2b(hInput.crop, &bInput.crop)) {
-        _hidl_cb(HStatus::UNKNOWN_ERROR, HOutput{});
+        _hidl_cb(HStatus::UNKNOWN_ERROR, QueueBufferOutput{});
         return {};
     }
 
     // Convert surfaceDamage.
     if (!h2b(hInput.surfaceDamage, &bInput.surfaceDamage)) {
-        _hidl_cb(HStatus::UNKNOWN_ERROR, HOutput{});
+        _hidl_cb(HStatus::UNKNOWN_ERROR, QueueBufferOutput{});
         return {};
     }
 
     // Convert fence.
     if (!h2b(hInput.fence, &bInput.fence)) {
-        _hidl_cb(HStatus::UNKNOWN_ERROR, HOutput{});
+        _hidl_cb(HStatus::UNKNOWN_ERROR, QueueBufferOutput{});
         return {};
     }
 
-    BOutput bOutput{};
+    BQueueBufferOutput bOutput{};
     HStatus hStatus{};
-    bool converted = b2h(
-            mBase->queueBuffer(static_cast<int>(slot), bInput, &bOutput),
-            &hStatus);
+    QueueBufferOutput hOutput{};
+    bool converted =
+            b2h(
+                mBase->queueBuffer(static_cast<int>(slot), bInput, &bOutput),
+                &hStatus) &&
+            b2h(bOutput, &hOutput);
 
-    _hidl_cb(converted ? hStatus : HStatus::UNKNOWN_ERROR,
-             HOutput{bOutput.width,
-                     bOutput.height,
-                     static_cast<int32_t>(bOutput.transformHint),
-                     bOutput.numPendingBuffers,
-                     bOutput.nextFrameNumber,
-                     bOutput.bufferReplaced});
+    _hidl_cb(converted ? hStatus : HStatus::UNKNOWN_ERROR, hOutput);
     return {};
 }
 
@@ -236,33 +254,23 @@
         HConnectionType hConnectionType,
         bool producerControlledByApp,
         connect_cb _hidl_cb) {
-    using BOutput = BGraphicBufferProducer::QueueBufferOutput;
-    using HOutput = HGraphicBufferProducer::QueueBufferOutput;
     sp<BProducerListener> bListener = new H2BProducerListener(hListener);
-    if (!bListener) {
-        _hidl_cb(HStatus::UNKNOWN_ERROR, HOutput{});
+    int bConnectionType{};
+    if (!bListener || !h2b(hConnectionType, &bConnectionType)) {
+        _hidl_cb(HStatus::UNKNOWN_ERROR, QueueBufferOutput{});
         return {};
     }
-    int bConnectionType;
-    if (!h2b(hConnectionType, &bConnectionType)) {
-        _hidl_cb(HStatus::UNKNOWN_ERROR, HOutput{});
-        return {};
-    }
-    BOutput bOutput{};
+    BQueueBufferOutput bOutput{};
     HStatus hStatus{};
-    bool converted = b2h(
-            mBase->connect(bListener,
-                           bConnectionType,
-                           producerControlledByApp,
-                           &bOutput),
-            &hStatus);
-    _hidl_cb(converted ? hStatus : HStatus::UNKNOWN_ERROR,
-             HOutput{bOutput.width,
-                     bOutput.height,
-                     static_cast<int32_t>(bOutput.transformHint),
-                     bOutput.numPendingBuffers,
-                     bOutput.nextFrameNumber,
-                     bOutput.bufferReplaced});
+    QueueBufferOutput hOutput{};
+    bool converted =
+            b2h(mBase->connect(bListener,
+                               bConnectionType,
+                               producerControlledByApp,
+                               &bOutput),
+                &hStatus) &&
+            b2h(bOutput, &hOutput);
+    _hidl_cb(converted ? hStatus : HStatus::UNKNOWN_ERROR, hOutput);
     return {};
 }
 
diff --git a/libs/gui/bufferqueue/2.0/H2BGraphicBufferProducer.cpp b/libs/gui/bufferqueue/2.0/H2BGraphicBufferProducer.cpp
index 1023ef1..2f5b73c 100644
--- a/libs/gui/bufferqueue/2.0/H2BGraphicBufferProducer.cpp
+++ b/libs/gui/bufferqueue/2.0/H2BGraphicBufferProducer.cpp
@@ -29,13 +29,54 @@
 #include <vndk/hardware_buffer.h>
 
 namespace android {
-
 namespace hardware {
 namespace graphics {
 namespace bufferqueue {
 namespace V2_0 {
 namespace utils {
 
+namespace /* unnamed */ {
+
+using BQueueBufferInput = ::android::
+        IGraphicBufferProducer::QueueBufferInput;
+using HQueueBufferInput = ::android::hardware::graphics::bufferqueue::V2_0::
+        IGraphicBufferProducer::QueueBufferInput;
+using BQueueBufferOutput = ::android::
+        IGraphicBufferProducer::QueueBufferOutput;
+using HQueueBufferOutput = ::android::hardware::graphics::bufferqueue::V2_0::
+        IGraphicBufferProducer::QueueBufferOutput;
+
+using ::android::hardware::graphics::bufferqueue::V2_0::utils::b2h;
+using ::android::hardware::graphics::bufferqueue::V2_0::utils::h2b;
+
+bool b2h(BQueueBufferInput const& from, HQueueBufferInput* to,
+         HFenceWrapper* hFenceWrapper) {
+    to->timestamp = from.timestamp;
+    to->isAutoTimestamp = static_cast<bool>(from.isAutoTimestamp);
+    to->dataSpace = static_cast<int32_t>(from.dataSpace);
+    to->transform = static_cast<int32_t>(from.transform);
+    to->stickyTransform = static_cast<int32_t>(from.stickyTransform);
+    if (!b2h(from.crop, &to->crop) ||
+            !b2h(from.surfaceDamage, &to->surfaceDamage) ||
+            !b2h(from.fence, hFenceWrapper)) {
+        return false;
+    }
+    to->fence = hFenceWrapper->getHandle();
+    return true;
+}
+
+bool h2b(HQueueBufferOutput const& from, BQueueBufferOutput* to) {
+    to->width = from.width;
+    to->height = from.height;
+    to->transformHint = static_cast<uint32_t>(from.transformHint);
+    to->numPendingBuffers = from.numPendingBuffers;
+    to->nextFrameNumber = from.nextFrameNumber;
+    to->bufferReplaced = from.bufferReplaced;
+    return true;
+}
+
+} // unnamed namespace
+
 // H2BGraphicBufferProducer
 // ========================
 
@@ -209,47 +250,13 @@
         int slot,
         QueueBufferInput const& input,
         QueueBufferOutput* output) {
-    HRect hCrop{};
-    (void)b2h(input.crop, &hCrop);
-
-    using HInput = HGraphicBufferProducer::QueueBufferInput;
-    HInput hInput{
-            input.timestamp,
-            static_cast<bool>(input.isAutoTimestamp),
-            static_cast<int32_t>(input.dataSpace),
-            {}, // crop
-            static_cast<int32_t>(input.transform),
-            static_cast<int32_t>(input.stickyTransform),
-            {}, // fence
-            {}  // surfaceDamage
-            };
-
-    // Convert crop.
-    if (!b2h(input.crop, &hInput.crop)) {
-        LOG(ERROR) << "queueBuffer: corrupted input crop rectangle.";
-        return UNKNOWN_ERROR;
-    }
-
-    // Convert surfaceDamage.
-    size_t numRects;
-    Rect const* rectArray = input.surfaceDamage.getArray(&numRects);
-    hInput.surfaceDamage.resize(numRects);
-    for (size_t i = 0; i < numRects; ++i) {
-        if (!b2h(rectArray[i], &hInput.surfaceDamage[i])) {
-            LOG(ERROR) << "queueBuffer: corrupted input surface damage.";
-            return UNKNOWN_ERROR;
-        }
-    }
-
-    // Convert fence.
+    HQueueBufferInput hInput{};
     HFenceWrapper hFenceWrapper;
-    if (!b2h(input.fence, &hFenceWrapper)) {
-        LOG(ERROR) << "queueBuffer: corrupted input fence.";
+    if (!b2h(input, &hInput, &hFenceWrapper)) {
+        LOG(ERROR) << "queueBuffer: corrupted input.";
         return UNKNOWN_ERROR;
     }
-    hInput.fence = hFenceWrapper.getHandle();
 
-    using HOutput = HGraphicBufferProducer::QueueBufferOutput;
     bool converted{};
     status_t bStatus{};
     Return<void> transResult = mBase->queueBuffer(
@@ -257,15 +264,8 @@
             hInput,
             [&converted, &bStatus, output](
                     HStatus hStatus,
-                    HOutput const& hOutput) {
-                converted = h2b(hStatus, &bStatus);
-                output->width = hOutput.width;
-                output->height = hOutput.height;
-                output->transformHint =
-                        static_cast<uint32_t>(hOutput.transformHint);
-                output->numPendingBuffers = hOutput.numPendingBuffers;
-                output->nextFrameNumber = hOutput.nextFrameNumber;
-                output->bufferReplaced = hOutput.bufferReplaced;
+                    HQueueBufferOutput const& hOutput) {
+                converted = h2b(hStatus, &bStatus) && h2b(hOutput, output);
             });
 
     if (!transResult.isOk()) {
@@ -332,7 +332,6 @@
         }
     }
 
-    using HOutput = HGraphicBufferProducer::QueueBufferOutput;
     bool converted{};
     status_t bStatus{};
     Return<void> transResult = mBase->connect(
@@ -341,15 +340,8 @@
             producerControlledByApp,
             [&converted, &bStatus, output](
                     HStatus hStatus,
-                    HOutput hOutput) {
-                converted = h2b(hStatus, &bStatus);
-                output->width = hOutput.width;
-                output->height = hOutput.height;
-                output->transformHint =
-                        static_cast<uint32_t>(hOutput.transformHint);
-                output->numPendingBuffers = hOutput.numPendingBuffers;
-                output->nextFrameNumber = hOutput.nextFrameNumber;
-                output->bufferReplaced = hOutput.bufferReplaced;
+                    HQueueBufferOutput const& hOutput) {
+                converted = h2b(hStatus, &bStatus) && h2b(hOutput, output);
             });
     if (!transResult.isOk()) {
         LOG(ERROR) << "connect: transaction failed.";
diff --git a/libs/gui/include/gui/BufferQueue.h b/libs/gui/include/gui/BufferQueue.h
index 721427b..da95274 100644
--- a/libs/gui/include/gui/BufferQueue.h
+++ b/libs/gui/include/gui/BufferQueue.h
@@ -61,7 +61,6 @@
         void onDisconnect() override;
         void onFrameAvailable(const BufferItem& item) override;
         void onFrameReplaced(const BufferItem& item) override;
-        void onBufferAllocated(const BufferItem& item) override;
         void onBuffersReleased() override;
         void onSidebandStreamChanged() override;
         void addAndGetFrameTimestamps(
diff --git a/libs/gui/include/gui/ConsumerBase.h b/libs/gui/include/gui/ConsumerBase.h
index 7c26482..366ced3 100644
--- a/libs/gui/include/gui/ConsumerBase.h
+++ b/libs/gui/include/gui/ConsumerBase.h
@@ -141,7 +141,6 @@
     // classes if they want the notification.
     virtual void onFrameAvailable(const BufferItem& item) override;
     virtual void onFrameReplaced(const BufferItem& item) override;
-    virtual void onBufferAllocated(const BufferItem& item) override;
     virtual void onBuffersReleased() override;
     virtual void onSidebandStreamChanged() override;
 
diff --git a/libs/gui/include/gui/IConsumerListener.h b/libs/gui/include/gui/IConsumerListener.h
index 03fefbe..c082882 100644
--- a/libs/gui/include/gui/IConsumerListener.h
+++ b/libs/gui/include/gui/IConsumerListener.h
@@ -61,13 +61,6 @@
     // This is called without any lock held and can be called concurrently by multiple threads.
     virtual void onFrameReplaced(const BufferItem& /* item */) {} /* Asynchronous */
 
-    // onBufferAllocated is called to notify the buffer consumer that the BufferQueue has allocated
-    // a GraphicBuffer for a particular slot. Only the GraphicBuffer pointer and the slot ID will
-    // be populated.
-    //
-    // This is called without any lock held and can be called concurrently by multiple threads.
-    virtual void onBufferAllocated(const BufferItem& /* item */) {} /* Asynchronous */
-
     // onBuffersReleased is called to notify the buffer consumer that the BufferQueue has released
     // its references to one or more GraphicBuffers contained in its slots. The buffer consumer
     // should then call BufferQueue::getReleasedBuffers to retrieve the list of buffers.
diff --git a/libs/gui/include/gui/bufferqueue/1.0/WGraphicBufferProducer.h b/libs/gui/include/gui/bufferqueue/1.0/WGraphicBufferProducer.h
index 0e57f20..029dcc0 100644
--- a/libs/gui/include/gui/bufferqueue/1.0/WGraphicBufferProducer.h
+++ b/libs/gui/include/gui/bufferqueue/1.0/WGraphicBufferProducer.h
@@ -68,7 +68,7 @@
     Return<void> requestBuffer(int32_t slot, HGraphicBufferProducer::requestBuffer_cb _hidl_cb) override {
         sp<GraphicBuffer> buf;
         status_t status = mBase->requestBuffer(slot, &buf);
-        AnwBuffer anwBuffer;
+        AnwBuffer anwBuffer{};
         if (buf != nullptr) {
             ::android::conversion::wrapAs(&anwBuffer, *buf);
         }
@@ -89,15 +89,15 @@
             uint32_t width, uint32_t height,
             ::android::hardware::graphics::common::V1_0::PixelFormat format, uint32_t usage,
             bool getFrameTimestamps, HGraphicBufferProducer::dequeueBuffer_cb _hidl_cb) override {
-        int slot;
+        int slot{};
         sp<Fence> fence;
         ::android::FrameEventHistoryDelta outTimestamps;
         status_t status = mBase->dequeueBuffer(
             &slot, &fence, width, height,
             static_cast<::android::PixelFormat>(format), usage, nullptr,
             getFrameTimestamps ? &outTimestamps : nullptr);
-        hidl_handle tFence;
-        HGraphicBufferProducer::FrameEventHistoryDelta tOutTimestamps;
+        hidl_handle tFence{};
+        HGraphicBufferProducer::FrameEventHistoryDelta tOutTimestamps{};
 
         native_handle_t* nh = nullptr;
         if ((fence == nullptr) || !::android::conversion::wrapAs(&tFence, &nh, *fence)) {
@@ -144,8 +144,8 @@
         sp<GraphicBuffer> outBuffer;
         sp<Fence> outFence;
         status_t status = mBase->detachNextBuffer(&outBuffer, &outFence);
-        AnwBuffer tBuffer;
-        hidl_handle tFence;
+        AnwBuffer tBuffer{};
+        hidl_handle tFence{};
 
         if (outBuffer == nullptr) {
             LOG(ERROR) << "TWGraphicBufferProducer::detachNextBuffer - "
@@ -185,7 +185,7 @@
     Return<void> queueBuffer(
             int32_t slot, const HGraphicBufferProducer::QueueBufferInput& input,
             HGraphicBufferProducer::queueBuffer_cb _hidl_cb) override {
-        HGraphicBufferProducer::QueueBufferOutput tOutput;
+        HGraphicBufferProducer::QueueBufferOutput tOutput{};
         BGraphicBufferProducer::QueueBufferInput lInput(
                 0, false, HAL_DATASPACE_UNKNOWN,
                 ::android::Rect(0, 0, 1, 1),
@@ -246,7 +246,7 @@
                 producerControlledByApp,
                 &lOutput);
 
-        HGraphicBufferProducer::QueueBufferOutput tOutput;
+        HGraphicBufferProducer::QueueBufferOutput tOutput{};
         std::vector<std::vector<native_handle_t*> > nhAA;
         if (!::android::conversion::wrapAs(&tOutput, &nhAA, lOutput)) {
             LOG(ERROR) << "TWGraphicBufferProducer::connect - "
@@ -320,11 +320,11 @@
         status_t status = mBase->getLastQueuedBuffer(
                 &lOutBuffer, &lOutFence, lOutTransformMatrix);
 
-        AnwBuffer tOutBuffer;
+        AnwBuffer tOutBuffer{};
         if (lOutBuffer != nullptr) {
             ::android::conversion::wrapAs(&tOutBuffer, *lOutBuffer);
         }
-        hidl_handle tOutFence;
+        hidl_handle tOutFence{};
         native_handle_t* nh = nullptr;
         if ((lOutFence == nullptr) || !::android::conversion::wrapAs(&tOutFence, &nh, *lOutFence)) {
             LOG(ERROR) << "TWGraphicBufferProducer::getLastQueuedBuffer - "
@@ -346,7 +346,7 @@
         ::android::FrameEventHistoryDelta lDelta;
         mBase->getFrameTimestamps(&lDelta);
 
-        HGraphicBufferProducer::FrameEventHistoryDelta tDelta;
+        HGraphicBufferProducer::FrameEventHistoryDelta tDelta{};
         std::vector<std::vector<native_handle_t*> > nhAA;
         if (!::android::conversion::wrapAs(&tDelta, &nhAA, lDelta)) {
             LOG(ERROR) << "TWGraphicBufferProducer::getFrameTimestamps - "
@@ -365,7 +365,7 @@
     }
 
     Return<void> getUniqueId(HGraphicBufferProducer::getUniqueId_cb _hidl_cb) override {
-        uint64_t outId;
+        uint64_t outId{};
         status_t status = mBase->getUniqueId(&outId);
         _hidl_cb(static_cast<int32_t>(status), outId);
         return Void();
diff --git a/services/gpuservice/GpuService.cpp b/services/gpuservice/GpuService.cpp
index 59fa1c0..b42884e 100644
--- a/services/gpuservice/GpuService.cpp
+++ b/services/gpuservice/GpuService.cpp
@@ -51,12 +51,12 @@
 void GpuService::setGpuStats(const std::string& driverPackageName,
                              const std::string& driverVersionName, uint64_t driverVersionCode,
                              int64_t driverBuildTime, const std::string& appPackageName,
-                             GraphicsEnv::Driver driver, bool isDriverLoaded,
-                             int64_t driverLoadingTime) {
+                             const int32_t vulkanVersion, GraphicsEnv::Driver driver,
+                             bool isDriverLoaded, int64_t driverLoadingTime) {
     ATRACE_CALL();
 
     mGpuStats->insert(driverPackageName, driverVersionName, driverVersionCode, driverBuildTime,
-                      appPackageName, driver, isDriverLoaded, driverLoadingTime);
+                      appPackageName, vulkanVersion, driver, isDriverLoaded, driverLoadingTime);
 }
 
 status_t GpuService::getGpuStatsGlobalInfo(std::vector<GpuStatsGlobalInfo>* outStats) const {
diff --git a/services/gpuservice/GpuService.h b/services/gpuservice/GpuService.h
index 7a9b2d4..3e02b4a 100644
--- a/services/gpuservice/GpuService.h
+++ b/services/gpuservice/GpuService.h
@@ -45,8 +45,9 @@
      */
     void setGpuStats(const std::string& driverPackageName, const std::string& driverVersionName,
                      uint64_t driverVersionCode, int64_t driverBuildTime,
-                     const std::string& appPackageName, GraphicsEnv::Driver driver,
-                     bool isDriverLoaded, int64_t driverLoadingTime) override;
+                     const std::string& appPackageName, const int32_t vulkanVersion,
+                     GraphicsEnv::Driver driver, bool isDriverLoaded,
+                     int64_t driverLoadingTime) override;
     status_t getGpuStatsGlobalInfo(std::vector<GpuStatsGlobalInfo>* outStats) const override;
     status_t getGpuStatsAppInfo(std::vector<GpuStatsAppInfo>* outStats) const override;
 
diff --git a/services/gpuservice/gpustats/GpuStats.cpp b/services/gpuservice/gpustats/GpuStats.cpp
index 6185305..5174c86 100644
--- a/services/gpuservice/gpustats/GpuStats.cpp
+++ b/services/gpuservice/gpustats/GpuStats.cpp
@@ -19,11 +19,12 @@
 
 #include "GpuStats.h"
 
-#include <unordered_set>
-
+#include <cutils/properties.h>
 #include <log/log.h>
 #include <utils/Trace.h>
 
+#include <unordered_set>
+
 namespace android {
 
 static bool addLoadingCount(GraphicsEnv::Driver driver, bool isDriverLoaded,
@@ -68,8 +69,8 @@
 
 void GpuStats::insert(const std::string& driverPackageName, const std::string& driverVersionName,
                       uint64_t driverVersionCode, int64_t driverBuildTime,
-                      const std::string& appPackageName, GraphicsEnv::Driver driver,
-                      bool isDriverLoaded, int64_t driverLoadingTime) {
+                      const std::string& appPackageName, const int32_t vulkanVersion,
+                      GraphicsEnv::Driver driver, bool isDriverLoaded, int64_t driverLoadingTime) {
     ATRACE_CALL();
 
     std::lock_guard<std::mutex> lock(mLock);
@@ -79,11 +80,13 @@
           "\tdriverVersionCode[%" PRIu64 "]\n"
           "\tdriverBuildTime[%" PRId64 "]\n"
           "\tappPackageName[%s]\n"
+          "\tvulkanVersion[%d]\n"
           "\tdriver[%d]\n"
           "\tisDriverLoaded[%d]\n"
           "\tdriverLoadingTime[%" PRId64 "]",
           driverPackageName.c_str(), driverVersionName.c_str(), driverVersionCode, driverBuildTime,
-          appPackageName.c_str(), static_cast<int32_t>(driver), isDriverLoaded, driverLoadingTime);
+          appPackageName.c_str(), vulkanVersion, static_cast<int32_t>(driver), isDriverLoaded,
+          driverLoadingTime);
 
     if (!mGlobalStats.count(driverVersionCode)) {
         GpuStatsGlobalInfo globalInfo;
@@ -94,6 +97,7 @@
         globalInfo.driverVersionName = driverVersionName;
         globalInfo.driverVersionCode = driverVersionCode;
         globalInfo.driverBuildTime = driverBuildTime;
+        globalInfo.vulkanVersion = vulkanVersion;
         mGlobalStats.insert({driverVersionCode, globalInfo});
     } else if (!addLoadingCount(driver, isDriverLoaded, &mGlobalStats[driverVersionCode])) {
         return;
@@ -117,6 +121,16 @@
     addLoadingTime(driver, driverLoadingTime, &mAppStats[appStatsKey]);
 }
 
+void GpuStats::interceptSystemDriverStatsLocked() {
+    // Append cpuVulkanVersion and glesVersion to system driver stats
+    if (!mGlobalStats.count(0) || mGlobalStats[0].glesVersion) {
+        return;
+    }
+
+    mGlobalStats[0].cpuVulkanVersion = property_get_int32("ro.cpuvulkan.version", 0);
+    mGlobalStats[0].glesVersion = property_get_int32("ro.opengles.version", 0);
+}
+
 void GpuStats::dump(const Vector<String16>& args, std::string* result) {
     ATRACE_CALL();
 
@@ -173,6 +187,8 @@
 }
 
 void GpuStats::dumpGlobalLocked(std::string* result) {
+    interceptSystemDriverStatsLocked();
+
     for (const auto& ele : mGlobalStats) {
         result->append(ele.second.toString());
         result->append("\n");
@@ -193,6 +209,8 @@
     outStats->clear();
     outStats->reserve(mGlobalStats.size());
 
+    interceptSystemDriverStatsLocked();
+
     for (const auto& ele : mGlobalStats) {
         outStats->emplace_back(ele.second);
     }
diff --git a/services/gpuservice/gpustats/GpuStats.h b/services/gpuservice/gpustats/GpuStats.h
index d942154..49699ee 100644
--- a/services/gpuservice/gpustats/GpuStats.h
+++ b/services/gpuservice/gpustats/GpuStats.h
@@ -35,8 +35,8 @@
     // Insert new gpu stats into global stats and app stats.
     void insert(const std::string& driverPackageName, const std::string& driverVersionName,
                 uint64_t driverVersionCode, int64_t driverBuildTime,
-                const std::string& appPackageName, GraphicsEnv::Driver driver, bool isDriverLoaded,
-                int64_t driverLoadingTime);
+                const std::string& appPackageName, const int32_t vulkanVersion,
+                GraphicsEnv::Driver driver, bool isDriverLoaded, int64_t driverLoadingTime);
     // dumpsys interface
     void dump(const Vector<String16>& args, std::string* result);
     // Pull gpu global stats
@@ -52,6 +52,8 @@
     void dumpGlobalLocked(std::string* result);
     // Dump app stats
     void dumpAppLocked(std::string* result);
+    // Append cpuVulkanVersion and glesVersion to system driver stats
+    void interceptSystemDriverStatsLocked();
 
     // Below limits the memory usage of GpuStats to be less than 10KB. This is
     // the preferred number for statsd while maintaining nice data quality.
diff --git a/services/surfaceflinger/BufferLayerConsumer.cpp b/services/surfaceflinger/BufferLayerConsumer.cpp
index fc98dc8..6709fb4 100644
--- a/services/surfaceflinger/BufferLayerConsumer.cpp
+++ b/services/surfaceflinger/BufferLayerConsumer.cpp
@@ -478,20 +478,15 @@
     }
 }
 
-void BufferLayerConsumer::onBufferAllocated(const BufferItem& item) {
-    if (item.mGraphicBuffer != nullptr) {
-        std::shared_ptr<Image> image = std::make_shared<Image>(item.mGraphicBuffer, mRE);
-        std::shared_ptr<Image> oldImage;
-        {
-            std::lock_guard<std::mutex> lock(mImagesMutex);
-            oldImage = mImages[item.mSlot];
-            if (oldImage == nullptr || oldImage->graphicBuffer() == nullptr ||
-                oldImage->graphicBuffer()->getId() != item.mGraphicBuffer->getId()) {
-                mImages[item.mSlot] = std::make_shared<Image>(item.mGraphicBuffer, mRE);
-            }
-            image = mImages[item.mSlot];
+void BufferLayerConsumer::onBufferAvailable(const BufferItem& item) {
+    if (item.mGraphicBuffer != nullptr && item.mSlot != BufferQueue::INVALID_BUFFER_SLOT) {
+        std::lock_guard<std::mutex> lock(mImagesMutex);
+        const std::shared_ptr<Image>& oldImage = mImages[item.mSlot];
+        if (oldImage == nullptr || oldImage->graphicBuffer() == nullptr ||
+            oldImage->graphicBuffer()->getId() != item.mGraphicBuffer->getId()) {
+            mImages[item.mSlot] = std::make_shared<Image>(item.mGraphicBuffer, mRE);
+            mRE.cacheExternalTextureBuffer(item.mGraphicBuffer);
         }
-        mRE.cacheExternalTextureBuffer(image->graphicBuffer());
     }
 }
 
@@ -533,5 +528,4 @@
         mRE.unbindExternalTextureBuffer(mGraphicBuffer->getId());
     }
 }
-
 }; // namespace android
diff --git a/services/surfaceflinger/BufferLayerConsumer.h b/services/surfaceflinger/BufferLayerConsumer.h
index 0f0655d..e3f6100 100644
--- a/services/surfaceflinger/BufferLayerConsumer.h
+++ b/services/surfaceflinger/BufferLayerConsumer.h
@@ -176,6 +176,7 @@
     // setConsumerUsageBits overrides the ConsumerBase method to OR
     // DEFAULT_USAGE_FLAGS to usage.
     status_t setConsumerUsageBits(uint64_t usage);
+    void onBufferAvailable(const BufferItem& item) EXCLUDES(mImagesMutex);
 
 protected:
     // abandonLocked overrides the ConsumerBase method to clear
@@ -241,7 +242,6 @@
 
     // IConsumerListener interface
     void onDisconnect() override;
-    void onBufferAllocated(const BufferItem& item) override EXCLUDES(mImagesMutex);
     void onSidebandStreamChanged() override;
     void addAndGetFrameTimestamps(const NewFrameEventsEntry* newTimestamps,
                                   FrameEventHistoryDelta* outDelta) override;
diff --git a/services/surfaceflinger/BufferQueueLayer.cpp b/services/surfaceflinger/BufferQueueLayer.cpp
index 5d729f5..3d51ec3 100644
--- a/services/surfaceflinger/BufferQueueLayer.cpp
+++ b/services/surfaceflinger/BufferQueueLayer.cpp
@@ -14,6 +14,9 @@
  * limitations under the License.
  */
 
+#undef LOG_TAG
+#define LOG_TAG "BufferQueueLayer"
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
 #include <compositionengine/Display.h>
 #include <compositionengine/Layer.h>
 #include <compositionengine/OutputLayer.h>
@@ -435,6 +438,7 @@
 }
 
 void BufferQueueLayer::onFrameAvailable(const BufferItem& item) {
+    ATRACE_CALL();
     // Add this buffer from our internal queue tracker
     { // Autolock scope
         if (mFlinger->mUseSmart90ForVideo) {
@@ -475,9 +479,11 @@
     } else {
         mFlinger->signalLayerUpdate();
     }
+    mConsumer->onBufferAvailable(item);
 }
 
 void BufferQueueLayer::onFrameReplaced(const BufferItem& item) {
+    ATRACE_CALL();
     { // Autolock scope
         Mutex::Autolock lock(mQueueItemLock);
 
@@ -499,6 +505,7 @@
         mLastFrameNumberReceived = item.mFrameNumber;
         mQueueItemCondition.broadcast();
     }
+    mConsumer->onBufferAvailable(item);
 }
 
 void BufferQueueLayer::onSidebandStreamChanged() {