diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index 898aa90..57745ef 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -1221,8 +1221,10 @@
     }
 
     bool ok = true;
-    ok &= setUpTrace();
-    ok &= startTrace();
+    if (traceStart) {
+        ok &= setUpTrace();
+        ok &= startTrace();
+    }
 
     if (ok && traceStart) {
         if (!traceStream) {
diff --git a/cmds/dumpstate/Android.bp b/cmds/dumpstate/Android.bp
index 562898d..b04543b 100644
--- a/cmds/dumpstate/Android.bp
+++ b/cmds/dumpstate/Android.bp
@@ -76,6 +76,7 @@
         "libdebuggerd_client",
         "libdumpstateaidl",
         "libdumpstateutil",
+        "libdumputils",
         "libhidlbase",
         "libhidltransport",
         "liblog",
@@ -119,4 +120,4 @@
         "tests/dumpstate_smoke_test.cpp",
     ],
     static_libs: ["libgmock"],
-}
\ No newline at end of file
+}
diff --git a/cmds/dumpstate/utils.cpp b/cmds/dumpstate/utils.cpp
index a89925f..022f4fc 100644
--- a/cmds/dumpstate/utils.cpp
+++ b/cmds/dumpstate/utils.cpp
@@ -48,10 +48,10 @@
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
 #include <android-base/unique_fd.h>
-#include <android/hidl/manager/1.0/IServiceManager.h>
 #include <cutils/properties.h>
 #include <cutils/sockets.h>
 #include <debuggerd/client.h>
+#include <dumputils/dump_utils.h>
 #include <log/log.h>
 #include <private/android_filesystem_config.h>
 
@@ -76,36 +76,6 @@
     return ds.RunCommand(title, full_command, options);
 }
 
-/* list of native processes to include in the native dumps */
-// This matches the /proc/pid/exe link instead of /proc/pid/cmdline.
-static const char* native_processes_to_dump[] = {
-        "/system/bin/audioserver",
-        "/system/bin/cameraserver",
-        "/system/bin/drmserver",
-        "/system/bin/mediadrmserver",
-        "/system/bin/mediaextractor", // media.extractor
-        "/system/bin/mediametrics", // media.metrics
-        "/system/bin/mediaserver",
-        "/system/bin/sdcard",
-	"/system/bin/statsd",
-        "/system/bin/surfaceflinger",
-        "/system/bin/vehicle_network_service",
-        "/vendor/bin/hw/android.hardware.media.omx@1.0-service", // media.codec
-        NULL,
-};
-
-/* list of hal interface to dump containing process during native dumps */
-static const char* hal_interfaces_to_dump[] {
-        "android.hardware.audio@2.0::IDevicesFactory",
-        "android.hardware.bluetooth@1.0::IBluetoothHci",
-        "android.hardware.camera.provider@2.4::ICameraProvider",
-        "android.hardware.graphics.composer@2.1::IComposer",
-        "android.hardware.media.omx@1.0::IOmx",
-        "android.hardware.sensors@1.0::ISensors",
-        "android.hardware.vr@1.0::IVr",
-        NULL,
-};
-
 // Reasonable value for max stats.
 static const int STATS_MAX_N_RUNS = 1000;
 static const long STATS_MAX_AVERAGE = 100000;
@@ -809,53 +779,6 @@
     _redirect_to_file(redirect, path, O_APPEND);
 }
 
-static bool should_dump_hal_interface(const char* interface) {
-    for (const char** i = hal_interfaces_to_dump; *i; i++) {
-        if (!strcmp(*i, interface)) {
-            return true;
-        }
-    }
-    return false;
-}
-
-static bool should_dump_native_traces(const char* path) {
-    for (const char** p = native_processes_to_dump; *p; p++) {
-        if (!strcmp(*p, path)) {
-            return true;
-        }
-    }
-    return false;
-}
-
-std::set<int> get_interesting_hal_pids() {
-    using android::hidl::manager::V1_0::IServiceManager;
-    using android::sp;
-    using android::hardware::Return;
-
-    sp<IServiceManager> manager = IServiceManager::getService();
-    std::set<int> pids;
-
-    Return<void> ret = manager->debugDump([&](auto& hals) {
-        for (const auto &info : hals) {
-            if (info.pid == static_cast<int>(IServiceManager::PidConstant::NO_PID)) {
-                continue;
-            }
-
-            if (!should_dump_hal_interface(info.interfaceName.c_str())) {
-                continue;
-            }
-
-            pids.insert(info.pid);
-        }
-    });
-
-    if (!ret.isOk()) {
-        MYLOGE("Could not get list of HAL PIDs: %s\n", ret.description().c_str());
-    }
-
-    return pids; // whether it was okay or not
-}
-
 const char* DumpTraces(const std::string& traces_path);
 const char* DumpTracesTombstoned(const std::string& traces_dir);
 
@@ -876,18 +799,6 @@
     return nullptr;
 }
 
-static bool IsZygote(int pid) {
-    static const std::string kZygotePrefix = "zygote";
-
-    std::string cmdline;
-    if (!android::base::ReadFileToString(android::base::StringPrintf("/proc/%d/cmdline", pid),
-                                         &cmdline)) {
-        return true;
-    }
-
-    return (cmdline.find(kZygotePrefix) == 0);
-}
-
 const char* DumpTracesTombstoned(const std::string& traces_dir) {
     const std::string temp_file_pattern = traces_dir + "/dumptrace_XXXXXX";
 
diff --git a/data/etc/wearable_core_hardware.xml b/data/etc/wearable_core_hardware.xml
index d7c3730..e2ab71a 100644
--- a/data/etc/wearable_core_hardware.xml
+++ b/data/etc/wearable_core_hardware.xml
@@ -36,9 +36,6 @@
     <!-- basic system services -->
     <feature name="android.software.home_screen" />
 
-    <!-- device administration -->
-    <feature name="android.software.device_admin" />
-
     <!-- input management and third-party input method editors -->
     <feature name="android.software.input_methods" />
 
diff --git a/libs/dumputils/Android.bp b/libs/dumputils/Android.bp
new file mode 100644
index 0000000..3412e14
--- /dev/null
+++ b/libs/dumputils/Android.bp
@@ -0,0 +1,34 @@
+// Copyright (C) 2018 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.
+
+cc_library {
+    name: "libdumputils",
+
+    shared_libs: [
+        "libbase",
+        "libbinder",
+        "libhidlbase",
+        "libhidltransport",
+        "liblog",
+        "libutils",
+    ],
+
+    srcs: ["dump_utils.cpp"],
+
+    cflags: ["-Wall", "-Werror"],
+
+    export_include_dirs: [
+        "include",
+    ],
+}
diff --git a/libs/dumputils/dump_utils.cpp b/libs/dumputils/dump_utils.cpp
new file mode 100644
index 0000000..0fd2b81
--- /dev/null
+++ b/libs/dumputils/dump_utils.cpp
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2018 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 <set>
+
+#include <android-base/file.h>
+#include <android-base/stringprintf.h>
+#include <android/hidl/manager/1.0/IServiceManager.h>
+#include <dumputils/dump_utils.h>
+#include <log/log.h>
+
+/* list of native processes to include in the native dumps */
+// This matches the /proc/pid/exe link instead of /proc/pid/cmdline.
+static const char* native_processes_to_dump[] = {
+        "/system/bin/audioserver",
+        "/system/bin/cameraserver",
+        "/system/bin/drmserver",
+        "/system/bin/mediadrmserver",
+        "/system/bin/mediaextractor", // media.extractor
+        "/system/bin/mediametrics", // media.metrics
+        "/system/bin/mediaserver",
+        "/system/bin/sdcard",
+        "/system/bin/statsd",
+        "/system/bin/surfaceflinger",
+        "/system/bin/vehicle_network_service",
+        "/vendor/bin/hw/android.hardware.media.omx@1.0-service", // media.codec
+        NULL,
+};
+
+/* list of hal interface to dump containing process during native dumps */
+static const char* hal_interfaces_to_dump[] {
+        "android.hardware.audio@2.0::IDevicesFactory",
+        "android.hardware.bluetooth@1.0::IBluetoothHci",
+        "android.hardware.camera.provider@2.4::ICameraProvider",
+        "android.hardware.graphics.composer@2.1::IComposer",
+        "android.hardware.media.omx@1.0::IOmx",
+        "android.hardware.sensors@1.0::ISensors",
+        "android.hardware.vr@1.0::IVr",
+        NULL,
+};
+
+bool should_dump_hal_interface(const char* interface) {
+    for (const char** i = hal_interfaces_to_dump; *i; i++) {
+        if (!strcmp(*i, interface)) {
+            return true;
+        }
+    }
+    return false;
+}
+
+bool should_dump_native_traces(const char* path) {
+    for (const char** p = native_processes_to_dump; *p; p++) {
+        if (!strcmp(*p, path)) {
+            return true;
+        }
+    }
+    return false;
+}
+
+std::set<int> get_interesting_hal_pids() {
+    using android::hidl::manager::V1_0::IServiceManager;
+    using android::sp;
+    using android::hardware::Return;
+
+    sp<IServiceManager> manager = IServiceManager::getService();
+    std::set<int> pids;
+
+    Return<void> ret = manager->debugDump([&](auto& hals) {
+        for (const auto &info : hals) {
+            if (info.pid == static_cast<int>(IServiceManager::PidConstant::NO_PID)) {
+                continue;
+            }
+
+            if (!should_dump_hal_interface(info.interfaceName.c_str())) {
+                continue;
+            }
+
+            pids.insert(info.pid);
+        }
+    });
+
+    if (!ret.isOk()) {
+        ALOGE("Could not get list of HAL PIDs: %s\n", ret.description().c_str());
+    }
+
+    return pids; // whether it was okay or not
+}
+
+bool IsZygote(int pid) {
+    static const std::string kZygotePrefix = "zygote";
+
+    std::string cmdline;
+    if (!android::base::ReadFileToString(android::base::StringPrintf("/proc/%d/cmdline", pid),
+                                         &cmdline)) {
+        return true;
+    }
+
+    return (cmdline.find(kZygotePrefix) == 0);
+}
diff --git a/libs/dumputils/include/dumputils/dump_utils.h b/libs/dumputils/include/dumputils/dump_utils.h
new file mode 100644
index 0000000..25f7127
--- /dev/null
+++ b/libs/dumputils/include/dumputils/dump_utils.h
@@ -0,0 +1,28 @@
+/**
+ * Copyright (c) 2016, 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 DUMPUTILS_H_
+#define DUMPUTILS_H_
+
+#include <set>
+
+bool should_dump_native_traces(const char* path);
+
+std::set<int> get_interesting_hal_pids();
+
+bool IsZygote(int pid);
+
+#endif  // DUMPUTILS_H_
diff --git a/libs/gui/HdrMetadata.cpp b/libs/gui/HdrMetadata.cpp
index 299bdfa..b715e43 100644
--- a/libs/gui/HdrMetadata.cpp
+++ b/libs/gui/HdrMetadata.cpp
@@ -66,4 +66,32 @@
     return NO_ERROR;
 }
 
+bool HdrMetadata::operator==(const HdrMetadata& rhs) const {
+    if (validTypes != rhs.validTypes) return false;
+
+    if ((validTypes & SMPTE2086) == SMPTE2086) {
+        if (smpte2086.displayPrimaryRed.x != rhs.smpte2086.displayPrimaryRed.x ||
+            smpte2086.displayPrimaryRed.y != rhs.smpte2086.displayPrimaryRed.y ||
+            smpte2086.displayPrimaryGreen.x != rhs.smpte2086.displayPrimaryGreen.x ||
+            smpte2086.displayPrimaryGreen.y != rhs.smpte2086.displayPrimaryGreen.y ||
+            smpte2086.displayPrimaryBlue.x != rhs.smpte2086.displayPrimaryBlue.x ||
+            smpte2086.displayPrimaryBlue.y != rhs.smpte2086.displayPrimaryBlue.y ||
+            smpte2086.whitePoint.x != rhs.smpte2086.whitePoint.x ||
+            smpte2086.whitePoint.y != rhs.smpte2086.whitePoint.y ||
+            smpte2086.maxLuminance != rhs.smpte2086.maxLuminance ||
+            smpte2086.minLuminance != rhs.smpte2086.minLuminance) {
+            return false;
+        }
+    }
+
+    if ((validTypes & CTA861_3) == CTA861_3) {
+        if (cta8613.maxFrameAverageLightLevel != rhs.cta8613.maxFrameAverageLightLevel ||
+            cta8613.maxContentLightLevel != rhs.cta8613.maxContentLightLevel) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
 } // namespace android
diff --git a/libs/gui/include/gui/HdrMetadata.h b/libs/gui/include/gui/HdrMetadata.h
index cd01952..9800602 100644
--- a/libs/gui/include/gui/HdrMetadata.h
+++ b/libs/gui/include/gui/HdrMetadata.h
@@ -38,6 +38,8 @@
     size_t getFlattenedSize() const;
     status_t flatten(void* buffer, size_t size) const;
     status_t unflatten(void const* buffer, size_t size);
+
+    bool operator==(const HdrMetadata& rhs) const;
 };
 
 } // namespace android
diff --git a/libs/input/VelocityTracker.cpp b/libs/input/VelocityTracker.cpp
index e0d2113..c07a812 100644
--- a/libs/input/VelocityTracker.cpp
+++ b/libs/input/VelocityTracker.cpp
@@ -1090,7 +1090,7 @@
 static float calculateImpulseVelocity(const nsecs_t* t, const float* x, size_t count) {
     // The input should be in reversed time order (most recent sample at index i=0)
     // t[i] is in nanoseconds, but due to FP arithmetic, convert to seconds inside this function
-    static constexpr float NANOS_PER_SECOND = 1E-9;
+    static constexpr float SECONDS_PER_NANO = 1E-9;
 
     if (count < 2) {
         return 0; // if 0 or 1 points, velocity is zero
@@ -1103,7 +1103,7 @@
             ALOGE("Events have identical time stamps t=%" PRId64 ", setting velocity = 0", t[0]);
             return 0;
         }
-        return (x[1] - x[0]) / (NANOS_PER_SECOND * (t[1] - t[0]));
+        return (x[1] - x[0]) / (SECONDS_PER_NANO * (t[1] - t[0]));
     }
     // Guaranteed to have at least 3 points here
     float work = 0;
@@ -1113,7 +1113,7 @@
             continue;
         }
         float vprev = kineticEnergyToVelocity(work); // v[i-1]
-        float vcurr = (x[i] - x[i-1]) / (NANOS_PER_SECOND * (t[i] - t[i-1])); // v[i]
+        float vcurr = (x[i] - x[i-1]) / (SECONDS_PER_NANO * (t[i] - t[i-1])); // v[i]
         work += (vcurr - vprev) * fabsf(vcurr);
         if (i == count - 1) {
             work *= 0.5; // initial condition, case 2) above
diff --git a/opengl/tests/gl2_jni/Android.mk b/opengl/tests/gl2_jni/Android.mk
index af65b5f..b0081c2 100644
--- a/opengl/tests/gl2_jni/Android.mk
+++ b/opengl/tests/gl2_jni/Android.mk
@@ -37,13 +37,13 @@
   gl_code.cpp
 
 LOCAL_SHARED_LIBRARIES := \
-	libutils \
 	liblog \
 	libEGL \
 	libGLESv2
 
 LOCAL_MODULE := libgl2jni
 
+LOCAL_SDK_VERSION := current
 
 
 include $(BUILD_SHARED_LIBRARY)
diff --git a/opengl/tests/gl2_jni/jni/gl_code.cpp b/opengl/tests/gl2_jni/jni/gl_code.cpp
index 5af4f6b..9b22c6c 100644
--- a/opengl/tests/gl2_jni/jni/gl_code.cpp
+++ b/opengl/tests/gl2_jni/jni/gl_code.cpp
@@ -2,7 +2,12 @@
 
 #include <jni.h>
 #define LOG_TAG "GL2JNI gl_code.cpp"
-#include <utils/Log.h>
+#include <android/log.h>
+
+#define ALOG(priority, tag, ...) ((void)__android_log_print(ANDROID_##priority, tag, __VA_ARGS__))
+
+#define ALOGI(...) ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__)
+#define ALOGE(...) ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__)
 
 #include <EGL/egl.h>
 #include <GLES2/gl2.h>
diff --git a/opengl/tests/gl_jni/Android.mk b/opengl/tests/gl_jni/Android.mk
index 570ae2b..d64dfcf 100644
--- a/opengl/tests/gl_jni/Android.mk
+++ b/opengl/tests/gl_jni/Android.mk
@@ -37,13 +37,14 @@
   gl_code.cpp
 
 LOCAL_SHARED_LIBRARIES := \
-	libutils \
 	liblog \
 	libEGL \
 	libGLESv1_CM
 
 LOCAL_MODULE := libgljni
 
+LOCAL_SDK_VERSION := current
+
 LOCAL_ARM_MODE := arm
 
 
diff --git a/opengl/tests/gl_jni/jni/gl_code.cpp b/opengl/tests/gl_jni/jni/gl_code.cpp
index 3aa8adb..88f3228 100644
--- a/opengl/tests/gl_jni/jni/gl_code.cpp
+++ b/opengl/tests/gl_jni/jni/gl_code.cpp
@@ -2,7 +2,12 @@
 
 #include <jni.h>
 #define LOG_TAG "GLJNI gl_code.cpp"
-#include <utils/Log.h>
+#include <android/log.h>
+
+#define ALOG(priority, tag, ...) ((void)__android_log_print(ANDROID_##priority, tag, __VA_ARGS__))
+
+#define ALOGI(...) ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__)
+#define ALOGE(...) ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__)
 
 #include <GLES/gl.h>
 
diff --git a/opengl/tests/gl_perfapp/Android.mk b/opengl/tests/gl_perfapp/Android.mk
index 854b54f..3f411ea 100644
--- a/opengl/tests/gl_perfapp/Android.mk
+++ b/opengl/tests/gl_perfapp/Android.mk
@@ -39,11 +39,12 @@
   gl_code.cpp
 
 LOCAL_SHARED_LIBRARIES := \
-	libutils \
 	liblog \
 	libEGL \
 	libGLESv2
 
+LOCAL_SDK_VERSION := current
+
 LOCAL_MODULE := libglperf
 
 
diff --git a/opengl/tests/gl_perfapp/jni/gl_code.cpp b/opengl/tests/gl_perfapp/jni/gl_code.cpp
index 0cb594a..bd1fd83 100644
--- a/opengl/tests/gl_perfapp/jni/gl_code.cpp
+++ b/opengl/tests/gl_perfapp/jni/gl_code.cpp
@@ -2,16 +2,21 @@
 
 #include <jni.h>
 #define LOG_TAG "GLPerf gl_code.cpp"
-#include <utils/Log.h>
+#include <android/log.h>
+
+#define ALOG(priority, tag, ...) ((void)__android_log_print(ANDROID_##priority, tag, __VA_ARGS__))
+
+#define ALOGI(...) ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__)
+#define ALOGE(...) ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__)
 
 #include <EGL/egl.h>
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
-#include <utils/Timers.h>
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <time.h>
 
 #include "../../gl_perf/fill_common.cpp"
 
diff --git a/opengl/tests/gldual/Android.mk b/opengl/tests/gldual/Android.mk
index dc265b6..5bdc0a8 100644
--- a/opengl/tests/gldual/Android.mk
+++ b/opengl/tests/gldual/Android.mk
@@ -37,13 +37,13 @@
   gl_code.cpp
 
 LOCAL_SHARED_LIBRARIES := \
-	libutils \
 	liblog \
 	libEGL \
 	libGLESv2
 
 LOCAL_MODULE := libgldualjni
 
+LOCAL_SDK_VERSION := current
 
 
 include $(BUILD_SHARED_LIBRARY)
diff --git a/opengl/tests/gldual/jni/gl_code.cpp b/opengl/tests/gldual/jni/gl_code.cpp
index 90d150b..4e44976 100644
--- a/opengl/tests/gldual/jni/gl_code.cpp
+++ b/opengl/tests/gldual/jni/gl_code.cpp
@@ -2,7 +2,12 @@
 
 #include <jni.h>
 #define LOG_TAG "GL2JNI gl_code.cpp"
-#include <utils/Log.h>
+#include <android/log.h>
+
+#define ALOG(priority, tag, ...) ((void)__android_log_print(ANDROID_##priority, tag, __VA_ARGS__))
+
+#define ALOGI(...) ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__)
+#define ALOGE(...) ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__)
 
 #include <EGL/egl.h>
 #include <GLES2/gl2.h>
diff --git a/services/inputflinger/InputDispatcher.cpp b/services/inputflinger/InputDispatcher.cpp
index 86492fd..c3f4f58 100644
--- a/services/inputflinger/InputDispatcher.cpp
+++ b/services/inputflinger/InputDispatcher.cpp
@@ -52,6 +52,7 @@
 #include <time.h>
 #include <unistd.h>
 
+#include <android-base/chrono_utils.h>
 #include <android-base/stringprintf.h>
 #include <log/log.h>
 #include <utils/Trace.h>
@@ -69,28 +70,32 @@
 
 // Default input dispatching timeout if there is no focused application or paused window
 // from which to determine an appropriate dispatching timeout.
-const nsecs_t DEFAULT_INPUT_DISPATCHING_TIMEOUT = 5000 * 1000000LL; // 5 sec
+constexpr nsecs_t DEFAULT_INPUT_DISPATCHING_TIMEOUT = 5000 * 1000000LL; // 5 sec
 
 // Amount of time to allow for all pending events to be processed when an app switch
 // key is on the way.  This is used to preempt input dispatch and drop input events
 // when an application takes too long to respond and the user has pressed an app switch key.
-const nsecs_t APP_SWITCH_TIMEOUT = 500 * 1000000LL; // 0.5sec
+constexpr nsecs_t APP_SWITCH_TIMEOUT = 500 * 1000000LL; // 0.5sec
 
 // Amount of time to allow for an event to be dispatched (measured since its eventTime)
 // before considering it stale and dropping it.
-const nsecs_t STALE_EVENT_TIMEOUT = 10000 * 1000000LL; // 10sec
+constexpr nsecs_t STALE_EVENT_TIMEOUT = 10000 * 1000000LL; // 10sec
 
 // Amount of time to allow touch events to be streamed out to a connection before requiring
 // that the first event be finished.  This value extends the ANR timeout by the specified
 // amount.  For example, if streaming is allowed to get ahead by one second relative to the
 // queue of waiting unfinished events, then ANRs will similarly be delayed by one second.
-const nsecs_t STREAM_AHEAD_EVENT_TIMEOUT = 500 * 1000000LL; // 0.5sec
+constexpr nsecs_t STREAM_AHEAD_EVENT_TIMEOUT = 500 * 1000000LL; // 0.5sec
 
 // Log a warning when an event takes longer than this to process, even if an ANR does not occur.
-const nsecs_t SLOW_EVENT_PROCESSING_WARNING_TIMEOUT = 2000 * 1000000LL; // 2sec
+constexpr nsecs_t SLOW_EVENT_PROCESSING_WARNING_TIMEOUT = 2000 * 1000000LL; // 2sec
+
+// Log a warning when an interception call takes longer than this to process.
+constexpr std::chrono::milliseconds SLOW_INTERCEPTION_THRESHOLD = 50ms;
 
 // Number of recent events to keep for debugging purposes.
-const size_t RECENT_QUEUE_MAX_SIZE = 10;
+constexpr size_t RECENT_QUEUE_MAX_SIZE = 10;
+
 
 static inline nsecs_t now() {
     return systemTime(SYSTEM_TIME_MONOTONIC);
@@ -2448,7 +2453,12 @@
             flags, keyCode, args->scanCode, metaState, 0,
             args->downTime, args->eventTime);
 
+    android::base::Timer t;
     mPolicy->interceptKeyBeforeQueueing(&event, /*byref*/ policyFlags);
+    if (t.duration() > SLOW_INTERCEPTION_THRESHOLD) {
+        ALOGW("Excessive delay in interceptKeyBeforeQueueing; took %s ms",
+                std::to_string(t.duration().count()).c_str());
+    }
 
     bool needWake;
     { // acquire lock
@@ -2517,7 +2527,13 @@
 
     uint32_t policyFlags = args->policyFlags;
     policyFlags |= POLICY_FLAG_TRUSTED;
+
+    android::base::Timer t;
     mPolicy->interceptMotionBeforeQueueing(args->eventTime, /*byref*/ policyFlags);
+    if (t.duration() > SLOW_INTERCEPTION_THRESHOLD) {
+        ALOGW("Excessive delay in interceptMotionBeforeQueueing; took %s ms",
+                std::to_string(t.duration().count()).c_str());
+    }
 
     bool needWake;
     { // acquire lock
@@ -2629,7 +2645,12 @@
         }
 
         if (!(policyFlags & POLICY_FLAG_FILTERED)) {
+            android::base::Timer t;
             mPolicy->interceptKeyBeforeQueueing(keyEvent, /*byref*/ policyFlags);
+            if (t.duration() > SLOW_INTERCEPTION_THRESHOLD) {
+                ALOGW("Excessive delay in interceptKeyBeforeQueueing; took %s ms",
+                        std::to_string(t.duration().count()).c_str());
+            }
         }
 
         mLock.lock();
@@ -2654,7 +2675,12 @@
 
         if (!(policyFlags & POLICY_FLAG_FILTERED)) {
             nsecs_t eventTime = motionEvent->getEventTime();
+            android::base::Timer t;
             mPolicy->interceptMotionBeforeQueueing(eventTime, /*byref*/ policyFlags);
+            if (t.duration() > SLOW_INTERCEPTION_THRESHOLD) {
+                ALOGW("Excessive delay in interceptMotionBeforeQueueing; took %s ms",
+                        std::to_string(t.duration().count()).c_str());
+            }
         }
 
         mLock.lock();
@@ -3540,8 +3566,13 @@
 
     mLock.unlock();
 
+    android::base::Timer t;
     nsecs_t delay = mPolicy->interceptKeyBeforeDispatching(commandEntry->inputWindowHandle,
             &event, entry->policyFlags);
+    if (t.duration() > SLOW_INTERCEPTION_THRESHOLD) {
+        ALOGW("Excessive delay in interceptKeyBeforeDispatching; took %s ms",
+                std::to_string(t.duration().count()).c_str());
+    }
 
     mLock.lock();