Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9a310914 authored by Jeff Sharkey's avatar Jeff Sharkey
Browse files

BroadcastQueue: skip ANRs when assuming success. 

Both the legacy and modern stack assume delivery success for
non-ordered registered receivers.  In these situations we don't need
to start ANR tracking logic, which can give some performance wins.

Bug: 255936508
Test: ./frameworks/base/libs/hwui/tests/scripts/prep_generic.sh little && atest ActivityManagerPerfTests:BroadcastPerfTest
Change-Id: Id8d01b055f5009850cc6e4f3d3fe45e2d68a4968
parent 92a5c536

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

+5 −2
Original line number Diff line number Diff line
@@ -747,7 +747,10 @@ class BroadcastQueueModernImpl extends BroadcastQueue { 
            return;

        }



        if (mService.mProcessesReady && !r.timeoutExempt) {

        // Skip ANR tracking early during boot, when requested, or when we

        // immediately assume delivery success

        final boolean assumeDelivered = (receiver instanceof BroadcastFilter) && !r.ordered;

        if (mService.mProcessesReady && !r.timeoutExempt && !assumeDelivered) {

            queue.lastCpuDelayTime = queue.app.getCpuDelayTime();



            final long timeout = r.isForeground() ? mFgConstants.TIMEOUT : mBgConstants.TIMEOUT;
@@ -789,7 +792,7 @@ class BroadcastQueueModernImpl extends BroadcastQueue { 


                    // TODO: consider making registered receivers of unordered

                    // broadcasts report results to detect ANRs

                    if (!r.ordered) {

                    if (assumeDelivered) {

                        finishReceiverLocked(queue, BroadcastRecord.DELIVERY_DELIVERED);

                    }

                } else {