| /* |
| * Copyright (C) 2023 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 android.tools.device.traces.monitors.surfaceflinger |
| |
| import android.tools.common.io.TraceType |
| import android.tools.common.io.WINSCOPE_EXT |
| import android.tools.common.traces.surfaceflinger.LayersTrace |
| import android.tools.device.traces.monitors.TraceMonitor |
| import android.view.WindowManagerGlobal |
| import java.io.File |
| |
| /** Captures [LayersTrace] from SurfaceFlinger. */ |
| open class LayersTraceMonitor @JvmOverloads constructor(private val traceFlags: Int = TRACE_FLAGS) : |
| TraceMonitor() { |
| private val windowManager = WindowManagerGlobal.getWindowManagerService() |
| override val traceType = TraceType.SF |
| override val isEnabled |
| get() = windowManager.isLayerTracing |
| |
| override fun start() { |
| windowManager.setLayerTracingFlags(traceFlags) |
| windowManager.isLayerTracing = true |
| } |
| |
| override fun doStop(): File { |
| windowManager.isLayerTracing = false |
| return TRACE_DIR.resolve("layers_trace$WINSCOPE_EXT") |
| } |
| |
| companion object { |
| const val TRACE_FLAGS = 0x47 // TRACE_CRITICAL|TRACE_INPUT|TRACE_COMPOSITION|TRACE_SYNC |
| } |
| } |