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Commit 1bae674c authored by Kevin Jeon's avatar Kevin Jeon
Browse files

Increase UI tier size from 5 to 10 apps 

This is intended to cover large screen and windowing use cases.

Test: atest MockingOomAdjusterTests (with flag enabled)
Bug: 373863708
Flag: com.android.server.am.oomadjuster_cached_app_tiers
Change-Id: I3a0910ec1695de3bbf0b6067cfb9f3679091d146
parent bea86c1d

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

+2 −2
Original line number Original line Diff line number Diff line
@@ -1162,8 +1162,8 @@ public class OomAdjuster { 
                    if (opt != null && opt.isFreezeExempt()) {

                    if (opt != null && opt.isFreezeExempt()) {

                        // BIND_WAIVE_PRIORITY and the like get oom_adj 900

                        // BIND_WAIVE_PRIORITY and the like get oom_adj 900

                        targetAdj += 0;

                        targetAdj += 0;

                    } else if (state.hasShownUi() && uiTargetAdj < 15) {

                    } else if (state.hasShownUi() && uiTargetAdj < 20) {

                        // The most recent 5 apps that have shown UI get 910-914

                        // The most recent 10 apps that have shown UI get 910-919

                        targetAdj += uiTargetAdj++;

                        targetAdj += uiTargetAdj++;

                    } else if ((state.getSetAdj() >= CACHED_APP_MIN_ADJ)

                    } else if ((state.getSetAdj() >= CACHED_APP_MIN_ADJ)

                            && (state.getLastStateTime()

                            && (state.getLastStateTime()

services/tests/mockingservicestests/src/com/android/server/am/MockingOomAdjusterTests.java

+1 −1
Original line number Original line Diff line number Diff line
@@ -168,7 +168,7 @@ public class MockingOomAdjusterTests { 
            + ProcessList.CACHED_APP_IMPORTANCE_LEVELS;

            + ProcessList.CACHED_APP_IMPORTANCE_LEVELS;

    private static int sFirstUiCachedAdj = ProcessList.CACHED_APP_MIN_ADJ + 10;

    private static int sFirstUiCachedAdj = ProcessList.CACHED_APP_MIN_ADJ + 10;

    private static int sFirstNonUiCachedAdj = ProcessList.CACHED_APP_MIN_ADJ + 20;

    private static int sFirstNonUiCachedAdj = ProcessList.CACHED_APP_MIN_ADJ + 20;

    private static int sUiTierSize = 5;

    private static int sUiTierSize = 10;





    private Context mContext;

    private Context mContext;

    private ProcessStateController mProcessStateController;

    private ProcessStateController mProcessStateController;