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Commit 683efe13 authored by Edgar Arriaga's avatar Edgar Arriaga
Browse files

Implement ablation study for removing odex and vdex pins for home app 

Bug: 340935152
Test: dumpsys pinner
Flag: com.android.server.flags.skip_home_art_pins
Change-Id: Ifbe0154933841fc28008c678cb06d434ffa004b2
parent f60159a8

services/core/java/com/android/server/PinnerService.java

+8 −4
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ import static android.app.ActivityManager.UID_OBSERVER_GONE; 
import static android.os.Process.SYSTEM_UID;



import static com.android.server.flags.Flags.pinWebview;

import static com.android.server.flags.Flags.skipHomeArtPins;



import android.annotation.EnforcePermission;

import android.annotation.IntDef;
@@ -851,6 +852,9 @@ public final class PinnerService extends SystemService { 
        }



        int apkPinSizeLimit = pinSizeLimit;



        boolean shouldSkipArtPins = key == KEY_HOME && skipHomeArtPins();



        for (String apk: apks) {

            if (apkPinSizeLimit <= 0) {

                Slog.w(TAG, "Reached to the pin size limit. Skipping: " + apk);
@@ -874,8 +878,8 @@ public final class PinnerService extends SystemService { 
            }



            apkPinSizeLimit -= pf.bytesPinned;

            if (apk.equals(appInfo.sourceDir)) {

                pinOptimizedDexDependencies(pf, apkPinSizeLimit, appInfo);

            if (apk.equals(appInfo.sourceDir) && !shouldSkipArtPins) {

                pinOptimizedDexDependencies(pf, Integer.MAX_VALUE, appInfo);

            }

        }

    }
@@ -921,8 +925,8 @@ public final class PinnerService extends SystemService { 
        }

        pf.groupName = groupName != null ? groupName : "";



        maxBytesToPin -= bytesPinned;

        bytesPinned += pf.bytesPinned;

        maxBytesToPin -= bytesPinned;



        synchronized (this) {

            mPinnedFiles.put(pf.fileName, pf);
@@ -970,7 +974,7 @@ public final class PinnerService extends SystemService { 
                // Unpin if it was already pinned prior to re-pinning.

                unpinFile(file);



                PinnedFile df = mInjector.pinFileInternal(file, Integer.MAX_VALUE,

                PinnedFile df = mInjector.pinFileInternal(file, maxBytesToPin,

                        /*attemptPinIntrospection=*/false);

                if (df == null) {

                    Slog.i(TAG, "Failed to pin ART file = " + file);