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Commit ae2af386 authored Sep 11, 2023 by Michael Wachenschwanz

Create frozen flag for OomAdjuster rewrite

The `oomadjuster_correctness_rewrite` is overridable by setting system
property `persist.sys.activity_manager_native_boot.enable_new_oom_adj`
and a reboot (for local testing only!).

(ex.
to force new algorithm:
`setprop persist.sys.activity_manager_native_boot.enable_new_oom_adj true`
to force old algorithm:
`setprop persist.sys.activity_manager_native_boot.enable_new_oom_adj false`
to revert to build default:
`setprop persist.sys.activity_manager_native_boot.enable_new_oom_adj \"\"`
)

Test: n/a
Bug: 298055811
Change-Id: Ib5d985bd1ed229889a6b6bbe4f5b5191ff7b7d57

parent db940757

services/core/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -194,6 +194,7 @@ java_library_static {
		"notification_flags_lib",
		"camera_platform_flags_core_java_lib",
		"biometrics_flags_lib",
		"am_flags_lib",
		],
		javac_shard_size: 50,
		javacflags: [

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -225,7 +225,7 @@ final class ActivityManagerConstants extends ContentObserver {
		/**
		* The default value to {@link #KEY_ENABLE_NEW_OOMADJ}.
		*/
		private static final boolean DEFAULT_ENABLE_NEW_OOM_ADJ = false;
		private static final boolean DEFAULT_ENABLE_NEW_OOM_ADJ = Flags.oomadjusterCorrectnessRewrite();

		/**
		* Same as {@link TEMPORARY_ALLOW_LIST_TYPE_FOREGROUND_SERVICE_NOT_ALLOWED}

services/core/java/com/android/server/am/Android.bp

0 → 100644

+10 −0

Original line number	Diff line number	Diff line
		aconfig_declarations {
		name: "am_flags",
		package: "com.android.server.am",
		srcs: ["*.aconfig"],
		}

		java_aconfig_library {
		name: "am_flags_lib",
		aconfig_declarations: "am_flags",
		}

services/core/java/com/android/server/am/flags.aconfig

0 → 100644

+9 −0

Original line number	Diff line number	Diff line
		package: "com.android.server.am"

		flag {
		name: "oomadjuster_correctness_rewrite"
		namespace: "android_platform_power_optimization"
		description: "Utilize new OomAdjuster implementation"
		bug: "298055811"
		is_fixed_read_only: true
		}
		No newline at end of file