Created a NETWORK trace tag. am: 873a83af3f am: e9bac30add (66bf7976) · Commits · e / os / android_frameworks_base

core/java/android/os/Trace.java

+2 −0

Original line number	Diff line number	Diff line
		@@ -81,6 +81,8 @@ public final class Trace {
		public static final long TRACE_TAG_SYSTEM_SERVER = 1L << 19;
		/** @hide */
		public static final long TRACE_TAG_DATABASE = 1L << 20;
		/** @hide */
		public static final long TRACE_TAG_NETWORK = 1L << 21;

		private static final long TRACE_TAG_NOT_READY = 1L << 63;
		private static final int MAX_SECTION_NAME_LEN = 127;

services/core/java/com/android/server/net/NetworkPolicyManagerService.java

+240 −188

Original line number	Diff line number	Diff line
		@@ -143,6 +143,7 @@ import android.os.RemoteCallbackList;
		import android.os.RemoteException;
		import android.os.ResultReceiver;
		import android.os.ServiceManager;
		import android.os.Trace;
		import android.os.UserHandle;
		import android.os.UserManager;
		import android.provider.Settings;
		@@ -566,6 +567,8 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
		}

		public void systemReady() {
		Trace.traceBegin(Trace.TRACE_TAG_NETWORK, "systemReady");
		try {
		if (!isBandwidthControlEnabled()) {
		Slog.w(TAG, "bandwidth controls disabled, unable to enforce policy");
		return;
		@@ -661,7 +664,8 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
		MANAGE_NETWORK_POLICY, mHandler);

		// listen for configured wifi networks to be removed
		final IntentFilter wifiConfigFilter = new IntentFilter(CONFIGURED_NETWORKS_CHANGED_ACTION);
		final IntentFilter wifiConfigFilter =
		new IntentFilter(CONFIGURED_NETWORKS_CHANGED_ACTION);
		mContext.registerReceiver(mWifiConfigReceiver, wifiConfigFilter, null, mHandler);

		// listen for wifi state changes to catch metered hint
		@@ -670,14 +674,21 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
		mContext.registerReceiver(mWifiStateReceiver, wifiStateFilter, null, mHandler);

		mUsageStats.addAppIdleStateChangeListener(new AppIdleStateChangeListener());

		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_NETWORK);
		}
		}

		final private IUidObserver mUidObserver = new IUidObserver.Stub() {
		@Override public void onUidStateChanged(int uid, int procState) throws RemoteException {
		Trace.traceBegin(Trace.TRACE_TAG_NETWORK, "onUidStateChanged");
		try {
		synchronized (mUidRulesFirstLock) {
		updateUidStateUL(uid, procState);
		}
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_NETWORK);
		}
		}

		@Override public void onUidGone(int uid) throws RemoteException {
		@@ -2049,7 +2060,7 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
		// Must whitelist foreground apps before turning data saver mode on.
		// TODO: there is no need to iterate through all apps here, just those in the foreground,
		// so it could call AM to get the UIDs of such apps, and iterate through them instead.
		updateRulesForAllAppsUL(TYPE_RESTRICT_BACKGROUND);
		updateRulesForRestrictBackgroundUL();
		try {
		if (!mNetworkManager.setDataSaverModeEnabled(mRestrictBackground)) {
		Slog.e(TAG, "Could not change Data Saver Mode on NMS to " + mRestrictBackground);
		@@ -2145,6 +2156,8 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
		public void setDeviceIdleMode(boolean enabled) {
		mContext.enforceCallingOrSelfPermission(MANAGE_NETWORK_POLICY, TAG);

		Trace.traceBegin(Trace.TRACE_TAG_NETWORK, "setDeviceIdleMode");
		try {
		synchronized (mUidRulesFirstLock) {
		if (mDeviceIdleMode != enabled) {
		mDeviceIdleMode = enabled;
		@@ -2160,6 +2173,9 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
		}
		}
		}
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_NETWORK);
		}
		}

		private NetworkPolicy findPolicyForNetworkNL(NetworkIdentity ident) {
		@@ -2434,6 +2450,8 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
		* {@link #updateRulesForPowerRestrictionsUL(int)}
		*/
		private void updateUidStateUL(int uid, int uidState) {
		Trace.traceBegin(Trace.TRACE_TAG_NETWORK, "updateUidStateUL");
		try {
		final int oldUidState = mUidState.get(uid, ActivityManager.PROCESS_STATE_CACHED_EMPTY);
		if (oldUidState != uidState) {
		// state changed, push updated rules
		@@ -2454,6 +2472,9 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
		}
		updateNetworkStats(uid, isUidStateForegroundUL(uidState));
		}
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_NETWORK);
		}
		}

		private void removeUidStateUL(int uid) {
		@@ -2505,8 +2526,13 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
		}

		void updateRulesForPowerSaveUL() {
		Trace.traceBegin(Trace.TRACE_TAG_NETWORK, "updateRulesForPowerSaveUL");
		try {
		updateRulesForWhitelistedPowerSaveUL(mRestrictPower, FIREWALL_CHAIN_POWERSAVE,
		mUidFirewallPowerSaveRules);
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_NETWORK);
		}
		}

		void updateRuleForRestrictPowerUL(int uid) {
		@@ -2514,8 +2540,13 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
		}

		void updateRulesForDeviceIdleUL() {
		Trace.traceBegin(Trace.TRACE_TAG_NETWORK, "updateRulesForDeviceIdleUL");
		try {
		updateRulesForWhitelistedPowerSaveUL(mDeviceIdleMode, FIREWALL_CHAIN_DOZABLE,
		mUidFirewallDozableRules);
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_NETWORK);
		}
		}

		void updateRuleForDeviceIdleUL(int uid) {
		@@ -2577,6 +2608,8 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
		}

		void updateRulesForAppIdleUL() {
		Trace.traceBegin(Trace.TRACE_TAG_NETWORK, "updateRulesForAppIdleUL");
		try {
		final SparseIntArray uidRules = mUidFirewallStandbyRules;
		uidRules.clear();

		@@ -2598,6 +2631,9 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
		}

		setUidFirewallRules(FIREWALL_CHAIN_STANDBY, uidRules);
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_NETWORK);
		}
		}

		void updateRuleForAppIdleUL(int uid) {
		@@ -2622,9 +2658,8 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
		* {@link #mRestrictPower}, or {@link #mDeviceIdleMode} value.
		*/
		private void updateRulesForGlobalChangeAL(boolean restrictedNetworksChanged) {
		long start;
		if (LOGD) start = System.currentTimeMillis();

		Trace.traceBegin(Trace.TRACE_TAG_NETWORK, "updateRulesForGlobalChangeAL");
		try {
		updateRulesForRestrictPowerUL();
		updateRulesForRestrictBackgroundUL();

		@@ -2633,22 +2668,30 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
		normalizePoliciesNL();
		updateNetworkRulesNL();
		}
		if (LOGD) {
		final long delta = System.currentTimeMillis() - start;
		Slog.d(TAG, "updateRulesForGlobalChangeAL(" + restrictedNetworksChanged + ") took "
		+ delta + "ms");
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_NETWORK);
		}
		}

		private void updateRulesForRestrictPowerUL() {
		Trace.traceBegin(Trace.TRACE_TAG_NETWORK, "updateRulesForRestrictPowerUL");
		try {
		updateRulesForDeviceIdleUL();
		updateRulesForAppIdleUL();
		updateRulesForPowerSaveUL();
		updateRulesForAllAppsUL(TYPE_RESTRICT_POWER);
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_NETWORK);
		}
		}

		private void updateRulesForRestrictBackgroundUL() {
		Trace.traceBegin(Trace.TRACE_TAG_NETWORK, "updateRulesForRestrictBackgroundUL");
		try {
		updateRulesForAllAppsUL(TYPE_RESTRICT_BACKGROUND);
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_NETWORK);
		}
		}

		private static final int TYPE_RESTRICT_BACKGROUND = 1;
		@@ -2663,6 +2706,10 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {

		// TODO: refactor / consolidate all those updateXyz methods, there are way too many of them...
		private void updateRulesForAllAppsUL(@RestrictType int type) {
		if (Trace.isTagEnabled(Trace.TRACE_TAG_NETWORK)) {
		Trace.traceBegin(Trace.TRACE_TAG_NETWORK, "updateRulesForRestrictPowerUL-" + type);
		}
		try {
		final PackageManager pm = mContext.getPackageManager();

		// update rules for all installed applications
		@@ -2691,6 +2738,11 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
		}
		}
		}
		} finally {
		if (Trace.isTagEnabled(Trace.TRACE_TAG_NETWORK)) {
		Trace.traceEnd(Trace.TRACE_TAG_NETWORK);
		}
		}
		}

		private void updateRulesForTempWhitelistChangeUL() {