Add Window Infos state to dumpsys

Update SurfaceFlinger and InputDispatcher dumpsys output to include
the vsync id and timestamp of Window Infos changes.

Bug: 279792237
Test: presubmits
Change-Id: I17fba2d09972467cfdd452e5041666ffbeabddc9
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index d406aff..0e3c47b 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -2533,7 +2533,7 @@
     }
 
     updateCursorAsync();
-    updateInputFlinger();
+    updateInputFlinger(vsyncId);
 
     if (mLayerTracingEnabled && !mLayerTracing.flagIsSet(LayerTracing::TRACE_COMPOSITION)) {
         // This will block and tracing should only be enabled for debugging.
@@ -3718,7 +3718,7 @@
     doCommitTransactions();
 }
 
-void SurfaceFlinger::updateInputFlinger() {
+void SurfaceFlinger::updateInputFlinger(VsyncId vsyncId) {
     if (!mInputFlinger || (!mUpdateInputInfo && mInputWindowCommands.empty())) {
         return;
     }
@@ -3730,6 +3730,8 @@
     if (mUpdateInputInfo) {
         mUpdateInputInfo = false;
         updateWindowInfo = true;
+        mLastInputFlingerUpdateVsyncId = vsyncId;
+        mLastInputFlingerUpdateTimestamp = systemTime();
         buildWindowInfos(windowInfos, displayInfos);
     }
 
@@ -3759,7 +3761,9 @@
                                          std::move(
                                                  inputWindowCommands.windowInfosReportedListeners),
                                          /* forceImmediateCall= */ visibleWindowsChanged ||
-                                                 !inputWindowCommands.focusRequests.empty());
+                                                 !inputWindowCommands.focusRequests.empty(),
+                                         mLastInputFlingerUpdateVsyncId,
+                                         mLastInputFlingerUpdateTimestamp);
         } else {
             // If there are listeners but no changes to input windows, call the listeners
             // immediately.
@@ -6105,6 +6109,29 @@
 
     result.append(mTimeStats->miniDump());
     result.append("\n");
+
+    result.append("Window Infos:\n");
+    StringAppendF(&result, "  input flinger update vsync id: %" PRId64 "\n",
+                  mLastInputFlingerUpdateVsyncId.value);
+    StringAppendF(&result, "  input flinger update timestamp (ns): %" PRId64 "\n",
+                  mLastInputFlingerUpdateTimestamp);
+    result.append("\n");
+
+    if (int64_t unsentVsyncId = mWindowInfosListenerInvoker->getUnsentMessageVsyncId().value;
+        unsentVsyncId != -1) {
+        StringAppendF(&result, "  unsent input flinger update vsync id: %" PRId64 "\n",
+                      unsentVsyncId);
+        StringAppendF(&result, "  unsent input flinger update timestamp (ns): %" PRId64 "\n",
+                      mWindowInfosListenerInvoker->getUnsentMessageTimestamp());
+        result.append("\n");
+    }
+
+    if (uint32_t pendingMessages = mWindowInfosListenerInvoker->getPendingMessageCount();
+        pendingMessages != 0) {
+        StringAppendF(&result, "  pending input flinger calls: %" PRIu32 "\n",
+                      mWindowInfosListenerInvoker->getPendingMessageCount());
+        result.append("\n");
+    }
 }
 
 mat4 SurfaceFlinger::calculateColorMatrix(float saturation) {
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index cd7659b..8eaa1c7 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -717,7 +717,7 @@
     void updateLayerHistory(const frontend::LayerSnapshot& snapshot);
     frontend::Update flushLifecycleUpdates() REQUIRES(kMainThreadContext);
 
-    void updateInputFlinger();
+    void updateInputFlinger(VsyncId);
     void persistDisplayBrightness(bool needsComposite) REQUIRES(kMainThreadContext);
     void buildWindowInfos(std::vector<gui::WindowInfo>& outWindowInfos,
                           std::vector<gui::DisplayInfo>& outDisplayInfos);
@@ -1248,6 +1248,9 @@
 
     VsyncId mLastCommittedVsyncId;
 
+    VsyncId mLastInputFlingerUpdateVsyncId;
+    nsecs_t mLastInputFlingerUpdateTimestamp;
+
     // If blurs should be enabled on this device.
     bool mSupportsBlur = false;
     std::atomic<uint32_t> mFrameMissedCount = 0;
diff --git a/services/surfaceflinger/WindowInfosListenerInvoker.cpp b/services/surfaceflinger/WindowInfosListenerInvoker.cpp
index 856fbbb..2b62638 100644
--- a/services/surfaceflinger/WindowInfosListenerInvoker.cpp
+++ b/services/surfaceflinger/WindowInfosListenerInvoker.cpp
@@ -16,6 +16,7 @@
 
 #include <ftl/small_vector.h>
 #include <gui/ISurfaceComposer.h>
+#include <gui/WindowInfosUpdate.h>
 
 #include "WindowInfosListenerInvoker.h"
 
@@ -86,11 +87,12 @@
 
 void WindowInfosListenerInvoker::windowInfosChanged(
         std::vector<WindowInfo> windowInfos, std::vector<DisplayInfo> displayInfos,
-        WindowInfosReportedListenerSet reportedListeners, bool forceImmediateCall) {
+        WindowInfosReportedListenerSet reportedListeners, bool forceImmediateCall, VsyncId vsyncId,
+        nsecs_t timestamp) {
     reportedListeners.insert(sp<WindowInfosListenerInvoker>::fromExisting(this));
     auto callListeners = [this, windowInfos = std::move(windowInfos),
-                          displayInfos = std::move(displayInfos)](
-                                 WindowInfosReportedListenerSet reportedListeners) mutable {
+                          displayInfos = std::move(displayInfos), vsyncId,
+                          timestamp](WindowInfosReportedListenerSet reportedListeners) mutable {
         WindowInfosListenerVector windowInfosListeners;
         {
             std::scoped_lock lock(mListenersMutex);
@@ -103,6 +105,9 @@
                 sp<WindowInfosReportedListenerInvoker>::make(windowInfosListeners,
                                                              std::move(reportedListeners));
 
+        gui::WindowInfosUpdate update(std::move(windowInfos), std::move(displayInfos),
+                                      vsyncId.value, timestamp);
+
         for (const auto& listener : windowInfosListeners) {
             sp<IBinder> asBinder = IInterface::asBinder(listener);
 
@@ -111,8 +116,7 @@
             // calling onWindowInfosReported.
             asBinder->linkToDeath(reportedInvoker);
 
-            auto status =
-                    listener->onWindowInfosChanged(windowInfos, displayInfos, reportedInvoker);
+            auto status = listener->onWindowInfosChanged(update, reportedInvoker);
             if (!status.isOk()) {
                 reportedInvoker->onWindowInfosReported();
             }
@@ -129,11 +133,15 @@
         // to reduce the amount of binder memory used.
         if (mActiveMessageCount > 0 && !forceImmediateCall) {
             mWindowInfosChangedDelayed = std::move(callListeners);
+            mUnsentVsyncId = vsyncId;
+            mUnsentTimestamp = timestamp;
             mReportedListenersDelayed.merge(reportedListeners);
             return;
         }
 
         mWindowInfosChangedDelayed = nullptr;
+        mUnsentVsyncId = {-1};
+        mUnsentTimestamp = -1;
         reportedListeners.merge(mReportedListenersDelayed);
         mActiveMessageCount++;
     }
@@ -154,6 +162,8 @@
         mActiveMessageCount++;
         callListeners = std::move(mWindowInfosChangedDelayed);
         mWindowInfosChangedDelayed = nullptr;
+        mUnsentVsyncId = {-1};
+        mUnsentTimestamp = -1;
         reportedListeners = std::move(mReportedListenersDelayed);
         mReportedListenersDelayed.clear();
     }
diff --git a/services/surfaceflinger/WindowInfosListenerInvoker.h b/services/surfaceflinger/WindowInfosListenerInvoker.h
index 4da9828..e35d056 100644
--- a/services/surfaceflinger/WindowInfosListenerInvoker.h
+++ b/services/surfaceflinger/WindowInfosListenerInvoker.h
@@ -26,6 +26,8 @@
 #include <gui/SpHash.h>
 #include <utils/Mutex.h>
 
+#include "scheduler/VsyncId.h"
+
 namespace android {
 
 using WindowInfosReportedListenerSet =
@@ -40,10 +42,25 @@
 
     void windowInfosChanged(std::vector<gui::WindowInfo>, std::vector<gui::DisplayInfo>,
                             WindowInfosReportedListenerSet windowInfosReportedListeners,
-                            bool forceImmediateCall);
+                            bool forceImmediateCall, VsyncId vsyncId, nsecs_t timestamp);
 
     binder::Status onWindowInfosReported() override;
 
+    VsyncId getUnsentMessageVsyncId() {
+        std::scoped_lock lock(mMessagesMutex);
+        return mUnsentVsyncId;
+    }
+
+    nsecs_t getUnsentMessageTimestamp() {
+        std::scoped_lock lock(mMessagesMutex);
+        return mUnsentTimestamp;
+    }
+
+    uint32_t getPendingMessageCount() {
+        std::scoped_lock lock(mMessagesMutex);
+        return mActiveMessageCount;
+    }
+
 protected:
     void binderDied(const wp<IBinder>& who) override;
 
@@ -58,6 +75,8 @@
     uint32_t mActiveMessageCount GUARDED_BY(mMessagesMutex) = 0;
     std::function<void(WindowInfosReportedListenerSet)> mWindowInfosChangedDelayed
             GUARDED_BY(mMessagesMutex);
+    VsyncId mUnsentVsyncId GUARDED_BY(mMessagesMutex) = {-1};
+    nsecs_t mUnsentTimestamp GUARDED_BY(mMessagesMutex) = -1;
     WindowInfosReportedListenerSet mReportedListenersDelayed;
 };
 
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h b/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
index c1bab0e..4d13aca 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
@@ -590,7 +590,7 @@
         mFlinger->binderDied(display);
         mFlinger->onFirstRef();
 
-        mFlinger->updateInputFlinger();
+        mFlinger->updateInputFlinger(VsyncId{0});
         mFlinger->updateCursorAsync();
 
         mutableScheduler().setVsyncConfig({.sfOffset = mFdp.ConsumeIntegral<nsecs_t>(),
diff --git a/services/surfaceflinger/tests/WindowInfosListener_test.cpp b/services/surfaceflinger/tests/WindowInfosListener_test.cpp
index f4a8f03..3f27360 100644
--- a/services/surfaceflinger/tests/WindowInfosListener_test.cpp
+++ b/services/surfaceflinger/tests/WindowInfosListener_test.cpp
@@ -16,6 +16,7 @@
 
 #include <gtest/gtest.h>
 #include <gui/SurfaceComposerClient.h>
+#include <gui/WindowInfosUpdate.h>
 #include <private/android_filesystem_config.h>
 #include <cstdint>
 #include <future>
@@ -41,9 +42,8 @@
         WindowInfosListener(WindowInfosPredicate predicate, std::promise<void>& promise)
               : mPredicate(std::move(predicate)), mPromise(promise) {}
 
-        void onWindowInfosChanged(const std::vector<WindowInfo>& windowInfos,
-                                  const std::vector<DisplayInfo>&) override {
-            if (mPredicate(windowInfos)) {
+        void onWindowInfosChanged(const gui::WindowInfosUpdate& update) override {
+            if (mPredicate(update.windowInfos)) {
                 mPromise.set_value();
             }
         }