wm tracing: add support for dump (6c984cc9) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/wm/WindowTraceLogFrequency.java

0 → 100644

+43 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2024 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.server.wm;

		import android.annotation.IntDef;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;

		@IntDef({
		WindowTraceLogFrequency.FRAME,
		WindowTraceLogFrequency.TRANSACTION,
		WindowTraceLogFrequency.SINGLE_DUMP,
		})
		@Retention(RetentionPolicy.SOURCE)
		@interface WindowTraceLogFrequency {
		/**
		* Trace state snapshots when a frame is committed.
		*/
		int FRAME = 0;
		/**
		* Trace state snapshots when a transaction is committed.
		*/
		int TRANSACTION = 1;
		/**
		* Trace single state snapshots when the Perfetto data source is started.
		*/
		int SINGLE_DUMP = 2;
		}

services/core/java/com/android/server/wm/WindowTracingDataSource.java

+18 −12

Original line number	Diff line number	Diff line
		@@ -51,11 +51,13 @@ public final class WindowTracingDataSource extends DataSource<WindowTracingDataS

		public static class Config {
		public final @WindowTraceLogLevel int mLogLevel;
		public final boolean mLogOnFrame;
		public final @WindowTraceLogFrequency int mLogFrequency;

		private Config(@WindowTraceLogLevel int logLevel, boolean logOnFrame) {
		private Config(
		@WindowTraceLogLevel int logLevel,
		@WindowTraceLogFrequency int logFrequency) {
		mLogLevel = logLevel;
		mLogOnFrame = logOnFrame;
		mLogFrequency = logFrequency;
		}
		}

		@@ -68,7 +70,8 @@ public final class WindowTracingDataSource extends DataSource<WindowTracingDataS
		}
		}

		private static final Config CONFIG_DEFAULT = new Config(WindowTraceLogLevel.TRIM, true);
		private static final Config CONFIG_DEFAULT =
		new Config(WindowTraceLogLevel.TRIM, WindowTraceLogFrequency.FRAME);
		private static final int CONFIG_VALUE_UNSPECIFIED = 0;
		private static final String TAG = "WindowTracingDataSource";

		@@ -181,24 +184,27 @@ public final class WindowTracingDataSource extends DataSource<WindowTracingDataS
		break;
		}

		boolean logOnFrame;
		@WindowTraceLogFrequency int logFrequency;
		switch(parsedLogFrequency) {
		case CONFIG_VALUE_UNSPECIFIED:
		Log.w(TAG, "Unspecified log frequency. Defaulting to 'log on frame'");
		logOnFrame = true;
		Log.w(TAG, "Unspecified log frequency. Defaulting to 'frame'");
		logFrequency = WindowTraceLogFrequency.FRAME;
		break;
		case WindowManagerConfig.LOG_FREQUENCY_FRAME:
		logOnFrame = true;
		logFrequency = WindowTraceLogFrequency.FRAME;
		break;
		case WindowManagerConfig.LOG_FREQUENCY_TRANSACTION:
		logOnFrame = false;
		logFrequency = WindowTraceLogFrequency.TRANSACTION;
		break;
		case WindowManagerConfig.LOG_FREQUENCY_SINGLE_DUMP:
		logFrequency = WindowTraceLogFrequency.SINGLE_DUMP;
		break;
		default:
		Log.w(TAG, "Unrecognized log frequency. Defaulting to 'log on frame'");
		logOnFrame = true;
		Log.w(TAG, "Unrecognized log frequency. Defaulting to 'frame'");
		logFrequency = WindowTraceLogFrequency.FRAME;
		break;
		}

		return new Config(logLevel, logOnFrame);
		return new Config(logLevel, logFrequency);
		}
		}

services/core/java/com/android/server/wm/WindowTracingPerfetto.java

+13 −6

Original line number	Diff line number	Diff line
		@@ -110,7 +110,14 @@ class WindowTracingPerfetto extends WindowTracing {
		if (!isDataSourceStarting) {
		return;
		}
		} else if (isOnFrameLogEvent != dataSourceConfig.mLogOnFrame) {
		} else if (isOnFrameLogEvent) {
		boolean isDataSourceLoggingOnFrame =
		dataSourceConfig.mLogFrequency == WindowTraceLogFrequency.FRAME;
		if (!isDataSourceLoggingOnFrame) {
		return;
		}
		} else if (dataSourceConfig.mLogFrequency == WindowTraceLogFrequency.SINGLE_DUMP) {
		// In it is a dump, write only the start log event and skip the following ones
		return;
		}

		@@ -141,21 +148,21 @@ class WindowTracingPerfetto extends WindowTracing {
		}

		private void onStart(WindowTracingDataSource.Config config) {
		if (config.mLogOnFrame) {
		if (config.mLogFrequency == WindowTraceLogFrequency.FRAME) {
		mCountSessionsOnFrame.incrementAndGet();
		} else {
		} else if (config.mLogFrequency == WindowTraceLogFrequency.TRANSACTION) {
		mCountSessionsOnTransaction.incrementAndGet();
		}

		Log.i(TAG, "Started with logLevel: " + config.mLogLevel
		+ " logOnFrame: " + config.mLogOnFrame);
		+ " logFrequency: " + config.mLogFrequency);
		log(WHERE_START_TRACING);
		}

		private void onStop(WindowTracingDataSource.Config config) {
		if (config.mLogOnFrame) {
		if (config.mLogFrequency == WindowTraceLogFrequency.FRAME) {
		mCountSessionsOnFrame.decrementAndGet();
		} else {
		} else if (config.mLogFrequency == WindowTraceLogFrequency.TRANSACTION) {
		mCountSessionsOnTransaction.decrementAndGet();
		}
		Log.i(TAG, "Stopped");