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Commit ccb17e4d 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: manual
Change-Id: I9899e805f7fb615865ef3685ca6d56421228785c
parent 2533f9a7

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

+5 −2
Original line number Diff line number Diff line
@@ -736,7 +736,10 @@ 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;
@@ -779,7 +782,7 @@ 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,

                                "assuming delivered");

                    }