diff --git a/services/inputflinger/dispatcher/Entry.cpp b/services/inputflinger/dispatcher/Entry.cpp
index a1eb007..21c8ae1 100644
--- a/services/inputflinger/dispatcher/Entry.cpp
+++ b/services/inputflinger/dispatcher/Entry.cpp
@@ -102,6 +102,12 @@
     releaseInjectionState();
 }
 
+std::string EventEntry::getDescription() const {
+    std::string result;
+    appendDescription(result);
+    return result;
+}
+
 void EventEntry::release() {
     refCount -= 1;
     if (refCount == 0) {
diff --git a/services/inputflinger/dispatcher/Entry.h b/services/inputflinger/dispatcher/Entry.h
index ab481bd..a135409 100644
--- a/services/inputflinger/dispatcher/Entry.h
+++ b/services/inputflinger/dispatcher/Entry.h
@@ -83,6 +83,8 @@
 
     virtual void appendDescription(std::string& msg) const = 0;
 
+    std::string getDescription() const;
+
 protected:
     EventEntry(int32_t id, Type type, nsecs_t eventTime, uint32_t policyFlags);
     virtual ~EventEntry();
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index d632cd7..056a725 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -78,7 +78,7 @@
 
 // Default input dispatching timeout if there is no focused application or paused window
 // from which to determine an appropriate dispatching timeout.
-constexpr nsecs_t DEFAULT_INPUT_DISPATCHING_TIMEOUT = 5000 * 1000000LL; // 5 sec
+constexpr std::chrono::nanoseconds DEFAULT_INPUT_DISPATCHING_TIMEOUT = 5s;
 
 // 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
@@ -1304,7 +1304,7 @@
         if (mInputTargetWaitCause != INPUT_TARGET_WAIT_CAUSE_APPLICATION_NOT_READY) {
             ALOGI("Waiting for application to become ready for input: %s.  Reason: %s",
                   getApplicationWindowLabel(applicationHandle, windowHandle).c_str(), reason);
-            nsecs_t timeout;
+            std::chrono::nanoseconds timeout;
             if (windowHandle != nullptr) {
                 timeout = windowHandle->getDispatchingTimeout(DEFAULT_INPUT_DISPATCHING_TIMEOUT);
             } else if (applicationHandle != nullptr) {
@@ -1316,7 +1316,7 @@
 
             mInputTargetWaitCause = INPUT_TARGET_WAIT_CAUSE_APPLICATION_NOT_READY;
             mInputTargetWaitStartTime = currentTime;
-            mInputTargetWaitTimeoutTime = currentTime + timeout;
+            mInputTargetWaitTimeoutTime = currentTime + timeout.count();
             mInputTargetWaitTimeoutExpired = false;
             mInputTargetWaitApplicationToken.clear();
 
@@ -1358,10 +1358,10 @@
 }
 
 void InputDispatcher::resumeAfterTargetsNotReadyTimeoutLocked(
-        nsecs_t newTimeout, const sp<IBinder>& inputConnectionToken) {
-    if (newTimeout > 0) {
+        nsecs_t timeoutExtension, const sp<IBinder>& inputConnectionToken) {
+    if (timeoutExtension > 0) {
         // Extend the timeout.
-        mInputTargetWaitTimeoutTime = now() + newTimeout;
+        mInputTargetWaitTimeoutTime = now() + timeoutExtension;
     } else {
         // Give up.
         mInputTargetWaitTimeoutExpired = true;
@@ -4044,11 +4044,12 @@
             const int32_t displayId = it.first;
             const sp<InputApplicationHandle>& applicationHandle = it.second;
             dump += StringPrintf(INDENT2 "displayId=%" PRId32
-                                         ", name='%s', dispatchingTimeout=%0.3fms\n",
+                                         ", name='%s', dispatchingTimeout=%" PRId64 "ms\n",
                                  displayId, applicationHandle->getName().c_str(),
-                                 applicationHandle->getDispatchingTimeout(
-                                         DEFAULT_INPUT_DISPATCHING_TIMEOUT) /
-                                         1000000.0);
+                                 ns2ms(applicationHandle
+                                               ->getDispatchingTimeout(
+                                                       DEFAULT_INPUT_DISPATCHING_TIMEOUT)
+                                               .count()));
         }
     } else {
         dump += StringPrintf(INDENT "FocusedApplications: <none>\n");
@@ -4128,9 +4129,10 @@
                                          windowInfo->windowXScale, windowInfo->windowYScale);
                     dumpRegion(dump, windowInfo->touchableRegion);
                     dump += StringPrintf(", inputFeatures=0x%08x", windowInfo->inputFeatures);
-                    dump += StringPrintf(", ownerPid=%d, ownerUid=%d, dispatchingTimeout=%0.3fms\n",
+                    dump += StringPrintf(", ownerPid=%d, ownerUid=%d, dispatchingTimeout=%" PRId64
+                                         "ms\n",
                                          windowInfo->ownerPid, windowInfo->ownerUid,
-                                         windowInfo->dispatchingTimeout / 1000000.0);
+                                         ns2ms(windowInfo->dispatchingTimeout));
                     dump += StringPrintf(INDENT4 "    flags: %s\n",
                                          inputWindowFlagsToString(windowInfo->layoutParamsFlags)
                                                  .c_str());
@@ -4166,7 +4168,7 @@
         for (EventEntry* entry : mRecentQueue) {
             dump += INDENT2;
             entry->appendDescription(dump);
-            dump += StringPrintf(", age=%0.1fms\n", (currentTime - entry->eventTime) * 0.000001f);
+            dump += StringPrintf(", age=%" PRId64 "ms\n", ns2ms(currentTime - entry->eventTime));
         }
     } else {
         dump += INDENT "RecentQueue: <empty>\n";
@@ -4177,8 +4179,8 @@
         dump += INDENT "PendingEvent:\n";
         dump += INDENT2;
         mPendingEvent->appendDescription(dump);
-        dump += StringPrintf(", age=%0.1fms\n",
-                             (currentTime - mPendingEvent->eventTime) * 0.000001f);
+        dump += StringPrintf(", age=%" PRId64 "ms\n",
+                             ns2ms(currentTime - mPendingEvent->eventTime));
     } else {
         dump += INDENT "PendingEvent: <none>\n";
     }
@@ -4189,7 +4191,7 @@
         for (EventEntry* entry : mInboundQueue) {
             dump += INDENT2;
             entry->appendDescription(dump);
-            dump += StringPrintf(", age=%0.1fms\n", (currentTime - entry->eventTime) * 0.000001f);
+            dump += StringPrintf(", age=%" PRId64 "ms\n", ns2ms(currentTime - entry->eventTime));
         }
     } else {
         dump += INDENT "InboundQueue: <empty>\n";
@@ -4224,9 +4226,10 @@
                 for (DispatchEntry* entry : connection->outboundQueue) {
                     dump.append(INDENT4);
                     entry->eventEntry->appendDescription(dump);
-                    dump += StringPrintf(", targetFlags=0x%08x, resolvedAction=%d, age=%0.1fms\n",
+                    dump += StringPrintf(", targetFlags=0x%08x, resolvedAction=%d, age=%" PRId64
+                                         "ms\n",
                                          entry->targetFlags, entry->resolvedAction,
-                                         (currentTime - entry->eventEntry->eventTime) * 0.000001f);
+                                         ns2ms(currentTime - entry->eventEntry->eventTime));
                 }
             } else {
                 dump += INDENT3 "OutboundQueue: <empty>\n";
@@ -4239,10 +4242,10 @@
                     dump += INDENT4;
                     entry->eventEntry->appendDescription(dump);
                     dump += StringPrintf(", targetFlags=0x%08x, resolvedAction=%d, "
-                                         "age=%0.1fms, wait=%0.1fms\n",
+                                         "age=%" PRId64 "ms, wait=%" PRId64 "ms\n",
                                          entry->targetFlags, entry->resolvedAction,
-                                         (currentTime - entry->eventEntry->eventTime) * 0.000001f,
-                                         (currentTime - entry->deliveryTime) * 0.000001f);
+                                         ns2ms(currentTime - entry->eventEntry->eventTime),
+                                         ns2ms(currentTime - entry->deliveryTime));
                 }
             } else {
                 dump += INDENT3 "WaitQueue: <empty>\n";
@@ -4253,16 +4256,16 @@
     }
 
     if (isAppSwitchPendingLocked()) {
-        dump += StringPrintf(INDENT "AppSwitch: pending, due in %0.1fms\n",
-                             (mAppSwitchDueTime - now()) / 1000000.0);
+        dump += StringPrintf(INDENT "AppSwitch: pending, due in %" PRId64 "ms\n",
+                             ns2ms(mAppSwitchDueTime - now()));
     } else {
         dump += INDENT "AppSwitch: not pending\n";
     }
 
     dump += INDENT "Configuration:\n";
-    dump += StringPrintf(INDENT2 "KeyRepeatDelay: %0.1fms\n", mConfig.keyRepeatDelay * 0.000001f);
-    dump += StringPrintf(INDENT2 "KeyRepeatTimeout: %0.1fms\n",
-                         mConfig.keyRepeatTimeout * 0.000001f);
+    dump += StringPrintf(INDENT2 "KeyRepeatDelay: %" PRId64 "ms\n", ns2ms(mConfig.keyRepeatDelay));
+    dump += StringPrintf(INDENT2 "KeyRepeatTimeout: %" PRId64 "ms\n",
+                         ns2ms(mConfig.keyRepeatTimeout));
 }
 
 void InputDispatcher::dumpMonitors(std::string& dump, const std::vector<Monitor>& monitors) {
@@ -4364,8 +4367,7 @@
         return BAD_VALUE;
     }
 
-    [[maybe_unused]] const bool removed = removeByValue(mConnectionsByFd, connection);
-    ALOG_ASSERT(removed);
+    removeConnectionLocked(connection);
     mInputChannelsByToken.erase(inputChannel->getConnectionToken());
 
     if (connection->monitor) {
@@ -4468,7 +4470,7 @@
     return std::nullopt;
 }
 
-sp<Connection> InputDispatcher::getConnectionLocked(const sp<IBinder>& inputConnectionToken) {
+sp<Connection> InputDispatcher::getConnectionLocked(const sp<IBinder>& inputConnectionToken) const {
     if (inputConnectionToken == nullptr) {
         return nullptr;
     }
@@ -4483,6 +4485,10 @@
     return nullptr;
 }
 
+void InputDispatcher::removeConnectionLocked(const sp<Connection>& connection) {
+    removeByValue(mConnectionsByFd, connection);
+}
+
 void InputDispatcher::onDispatchCycleFinishedLocked(nsecs_t currentTime,
                                                     const sp<Connection>& connection, uint32_t seq,
                                                     bool handled) {
@@ -4587,12 +4593,12 @@
             commandEntry->inputChannel ? commandEntry->inputChannel->getConnectionToken() : nullptr;
     mLock.unlock();
 
-    nsecs_t newTimeout =
+    const nsecs_t timeoutExtension =
             mPolicy->notifyAnr(commandEntry->inputApplicationHandle, token, commandEntry->reason);
 
     mLock.lock();
 
-    resumeAfterTargetsNotReadyTimeoutLocked(newTimeout, token);
+    resumeAfterTargetsNotReadyTimeoutLocked(timeoutExtension, token);
 }
 
 void InputDispatcher::doInterceptKeyBeforeDispatchingLockedInterruptible(
@@ -4647,11 +4653,8 @@
 
     const nsecs_t eventDuration = finishTime - dispatchEntry->deliveryTime;
     if (eventDuration > SLOW_EVENT_PROCESSING_WARNING_TIMEOUT) {
-        std::string msg =
-                StringPrintf("Window '%s' spent %0.1fms processing the last input event: ",
-                             connection->getWindowName().c_str(), eventDuration * 0.000001f);
-        dispatchEntry->eventEntry->appendDescription(msg);
-        ALOGI("%s", msg.c_str());
+        ALOGI("%s spent %" PRId64 "ms processing %s", connection->getWindowName().c_str(),
+              ns2ms(eventDuration), dispatchEntry->eventEntry->getDescription().c_str());
     }
     reportDispatchStatistics(std::chrono::nanoseconds(eventDuration), *connection, handled);
 
diff --git a/services/inputflinger/dispatcher/InputDispatcher.h b/services/inputflinger/dispatcher/InputDispatcher.h
index 113e368..0c3ea36 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.h
+++ b/services/inputflinger/dispatcher/InputDispatcher.h
@@ -198,6 +198,11 @@
     // All registered connections mapped by channel file descriptor.
     std::unordered_map<int, sp<Connection>> mConnectionsByFd GUARDED_BY(mLock);
 
+    sp<Connection> getConnectionLocked(const sp<IBinder>& inputConnectionToken) const
+            REQUIRES(mLock);
+
+    void removeConnectionLocked(const sp<Connection>& connection) REQUIRES(mLock);
+
     struct IBinderHash {
         std::size_t operator()(const sp<IBinder>& b) const {
             return std::hash<IBinder*>{}(b.get());
@@ -210,7 +215,6 @@
     std::optional<int32_t> findGestureMonitorDisplayByTokenLocked(const sp<IBinder>& token)
             REQUIRES(mLock);
 
-    sp<Connection> getConnectionLocked(const sp<IBinder>& inputConnectionToken) REQUIRES(mLock);
 
     // Input channels that will receive a copy of all input events sent to the provided display.
     std::unordered_map<int32_t, std::vector<Monitor>> mGlobalMonitorsByDisplay GUARDED_BY(mLock);