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Commit 5d5921ee authored by Alex Buynytskyy's avatar Alex Buynytskyy
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Switching off ART verifications for debuggable apps (dev option-controlled). 

This is complementary to switching off install-time checks for
debuggable apps and improves launch times for dex-heavy apps.
It's ON by default and controlled via developer option.

Bug: 124403695
Test: manual

Change-Id: Icafba38e8af71ef785088577ebf674bc13e26666
parent e264eab8

core/java/android/provider/Settings.java

+8 −0
Original line number Diff line number Diff line
@@ -11706,6 +11706,14 @@ public final class Settings { 
         */

        public static final String APP_IDLE_CONSTANTS = "app_idle_constants";













        /**













         * Enable ART bytecode verification verifications for debuggable apps.













         * 0 = disable, 1 = enable.













         * @hide













         */













        public static final String ART_VERIFIER_VERIFY_DEBUGGABLE =













                "art_verifier_verify_debuggable";



























        /**















         * Power manager specific settings.















         * This is encoded as a key=value list, separated by commas. Ex:

































core/tests/coretests/src/android/provider/SettingsBackupTest.java



+1
−0




























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@@ -122,6 +122,7 @@ public class SettingsBackupTest {













                    Settings.Global.APP_OPS_CONSTANTS,















                    Settings.Global.APP_STANDBY_ENABLED,















                    Settings.Global.APP_TIME_LIMIT_USAGE_SOURCE,













                    Settings.Global.ART_VERIFIER_VERIFY_DEBUGGABLE,















                    Settings.Global.ASSISTED_GPS_ENABLED,















                    Settings.Global.AUDIO_SAFE_VOLUME_STATE,















                    Settings.Global.AUTOFILL_COMPAT_MODE_ALLOWED_PACKAGES,

































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



+7
−0




























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@@ -1498,6 +1498,13 @@ public final class ProcessList {













                // Also turn on CheckJNI for debuggable apps. It's quite















                // awkward to turn on otherwise.















                runtimeFlags |= Zygote.DEBUG_ENABLE_CHECKJNI;



























                // Check if the developer does not want ART verification













                if (android.provider.Settings.Global.getInt(mService.mContext.getContentResolver(),













                        android.provider.Settings.Global.ART_VERIFIER_VERIFY_DEBUGGABLE, 1) == 0) {













                    runtimeFlags |= Zygote.DISABLE_VERIFIER;













                    Slog.w(TAG_PROCESSES, app + ": ART verification disabled");













                }















            }















            // Run the app in safe mode if its manifest requests so or the















            // system is booted in safe mode.