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Commit 20f950e7 authored by Yasin Kilicdere's avatar Yasin Kilicdere
Browse files

Add trace logs for UserController#dispatchUserSwitchComplete. 

To track how long it takes for each mUserSwitchObservers to process
IUserSwitchObserver#onUserSwitchComplete call and when that happens.

Bug: 239497256
Test: atest MultiUserPerfTests:android.multiuser.UserLifecycleTests#switchUser_stopped --no-bazel-mode
Change-Id: I9c618b6bb2247d93f624a8f9b9351608d4579000
parent fd811417

services/core/java/com/android/server/am/UserController.java

+6 −0
Original line number Diff line number Diff line
@@ -1872,15 +1872,21 @@ class UserController implements Handler.Callback { 
    /** Called on handler thread */

    @VisibleForTesting

    void dispatchUserSwitchComplete(@UserIdInt int userId) {

        final TimingsTraceAndSlog t = new TimingsTraceAndSlog();

        t.traceBegin("dispatchUserSwitchComplete-" + userId);

        mInjector.getWindowManager().setSwitchingUser(false);

        final int observerCount = mUserSwitchObservers.beginBroadcast();

        for (int i = 0; i < observerCount; i++) {

            try {

                t.traceBegin("onUserSwitchComplete-" + userId + " #" + i + " "

                        + mUserSwitchObservers.getBroadcastCookie(i));

                mUserSwitchObservers.getBroadcastItem(i).onUserSwitchComplete(userId);

                t.traceEnd();

            } catch (RemoteException e) {

            }

        }

        mUserSwitchObservers.finishBroadcast();

        t.traceEnd();

    }



    private void dispatchLockedBootComplete(@UserIdInt int userId) {