Dump snapshot statistics in the bugreport (c9090f28) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/pm/DumpHelper.java

+8 −1

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@ import android.content.ComponentName;
		import android.content.pm.FeatureInfo;
		import android.content.pm.PackageManager;
		import android.os.Binder;
		import android.os.SystemClock;
		import android.os.UserHandle;
		import android.os.incremental.PerUidReadTimeouts;
		import android.service.pm.PackageServiceDumpProto;
		@@ -60,6 +61,7 @@ final class DumpHelper {
		private final ArrayMap<String, FeatureInfo> mAvailableFeatures;
		private final ArraySet<String> mProtectedBroadcasts;
		private final PerUidReadTimeouts[] mPerUidReadTimeouts;
		private final SnapshotStatistics mSnapshotStatistics;

		DumpHelper(
		PermissionManagerServiceInternal permissionManager,
		@@ -70,7 +72,8 @@ final class DumpHelper {
		ChangedPackagesTracker changedPackagesTracker,
		ArrayMap<String, FeatureInfo> availableFeatures,
		ArraySet<String> protectedBroadcasts,
		PerUidReadTimeouts[] perUidReadTimeouts) {
		PerUidReadTimeouts[] perUidReadTimeouts,
		SnapshotStatistics snapshotStatistics) {
		mPermissionManager = permissionManager;
		mStorageEventHelper = storageEventHelper;
		mDomainVerificationManager = domainVerificationManager;
		@@ -81,6 +84,7 @@ final class DumpHelper {
		mAvailableFeatures = availableFeatures;
		mProtectedBroadcasts = protectedBroadcasts;
		mPerUidReadTimeouts = perUidReadTimeouts;
		mSnapshotStatistics = snapshotStatistics;
		}

		@NeverCompile // Avoid size overhead of debugging code.
		@@ -585,6 +589,9 @@ final class DumpHelper {
		if (dumpState.onTitlePrinted()) {
		pw.println();
		}
		pw.println("Snapshot statistics:");
		mSnapshotStatistics.dump(pw, " " /* indent */, SystemClock.currentTimeMicro(),
		snapshot.getUsed(), dumpState.isBrief());
		}

		if (!checkin

services/core/java/com/android/server/pm/PackageManagerService.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -6031,7 +6031,7 @@ public class PackageManagerService implements PackageSender, TestUtilityService
		new DumpHelper(mPermissionManager, mStorageEventHelper,
		mDomainVerificationManager, mInstallerService, mRequiredVerifierPackages,
		knownPackages, mChangedPackagesTracker, availableFeatures, protectedBroadcasts,
		getPerUidReadTimeouts(snapshot)
		getPerUidReadTimeouts(snapshot), mSnapshotStatistics
		).doDump(snapshot, fd, pw, args);
		}
		}

services/core/java/com/android/server/pm/SnapshotStatistics.java

+6 −32

Original line number	Diff line number	Diff line
		@@ -239,11 +239,6 @@ public class SnapshotStatistics {
		*/
		public int mTotalUsed = 0;

		/**
		* The total number of times a snapshot was bypassed because corking was in effect.
		*/
		public int mTotalCorked = 0;

		/**
		* The total number of builds that count as big, which means they took longer than
		* SNAPSHOT_BIG_BUILD_TIME_NS.
		@@ -297,13 +292,6 @@ public class SnapshotStatistics {
		}
		}

		/**
		* Record a cork.
		*/
		private void corked() {
		mTotalCorked++;
		}

		private Stats(long now) {
		mStartTimeUs = now;
		mTimes = new int[mTimeBins.count()];
		@@ -321,7 +309,6 @@ public class SnapshotStatistics {
		mUsed = Arrays.copyOf(orig.mUsed, orig.mUsed.length);
		mTotalBuilds = orig.mTotalBuilds;
		mTotalUsed = orig.mTotalUsed;
		mTotalCorked = orig.mTotalCorked;
		mBigBuilds = orig.mBigBuilds;
		mShortLived = orig.mShortLived;
		mTotalTimeUs = orig.mTotalTimeUs;
		@@ -379,7 +366,6 @@ public class SnapshotStatistics {
		* Dump the summary statistics record. Choose the header or the data.
		* number of builds
		* number of uses
		* number of corks
		* number of big builds
		* number of short lifetimes
		* cumulative build time, in seconds
		@@ -388,13 +374,13 @@ public class SnapshotStatistics {
		private void dumpStats(PrintWriter pw, String indent, long now, boolean header) {
		dumpPrefix(pw, indent, now, header, "Summary stats");
		if (header) {
		pw.format(Locale.US, " %10s %10s %10s %10s %10s %10s %10s",
		"TotBlds", "TotUsed", "TotCork", "BigBlds", "ShortLvd",
		pw.format(Locale.US, " %10s %10s %10s %10s %10s %10s",
		"TotBlds", "TotUsed", "BigBlds", "ShortLvd",
		"TotTime", "MaxTime");
		} else {
		pw.format(Locale.US,
		" %10d %10d %10d %10d %10d %10d %10d",
		mTotalBuilds, mTotalUsed, mTotalCorked, mBigBuilds, mShortLived,
		" %10d %10d %10d %10d %10d %10d",
		mTotalBuilds, mTotalUsed, mBigBuilds, mShortLived,
		mTotalTimeUs / 1000, mMaxBuildTimeUs / 1000);
		}
		pw.println();
		@@ -558,16 +544,6 @@ public class SnapshotStatistics {
		}
		}

		/**
		* Record a corked snapshot request.
		*/
		public final void corked() {
		synchronized (mLock) {
		mShort[0].corked();
		mLong[0].corked();
		}
		}

		/**
		* Roll a stats array. Shift the elements up an index and create a new element at
		* index zero. The old element zero is completed with the specified time.
		@@ -624,8 +600,7 @@ public class SnapshotStatistics {
		* Dump the statistics. The format is compatible with the PackageManager dumpsys
		* output.
		*/
		public void dump(PrintWriter pw, String indent, long now, int unrecorded,
		int corkLevel, boolean brief) {
		public void dump(PrintWriter pw, String indent, long now, int unrecorded, boolean brief) {
		// Grab the raw statistics under lock, but print them outside of the lock.
		Stats[] l;
		Stats[] s;
		@@ -635,8 +610,7 @@ public class SnapshotStatistics {
		s = Arrays.copyOf(mShort, mShort.length);
		s[0] = new Stats(s[0]);
		}
		pw.format(Locale.US, "%s Unrecorded-hits: %d Cork-level: %d", indent,
		unrecorded, corkLevel);
		pw.format(Locale.US, "%s Unrecorded-hits: %d", indent, unrecorded);
		pw.println();
		dump(pw, indent, now, l, s, "stats");
		if (brief) {