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Commit 0934117e authored by Treehugger Robot's avatar Treehugger Robot Committed by Automerger Merge Worker
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Merge "profcollect: Refactor to use a common method for calculating frequency... 

Merge "profcollect: Refactor to use a common method for calculating frequency threshold" into main am: 5cdb2b51

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3225285



Change-Id: I47d1755efd7506af953d4df30aa0e2244953cc65
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents caab6fcd 5cdb2b51

services/profcollect/src/com/android/server/profcollect/ProfcollectForwardingService.java

+18 −32
Original line number Diff line number Diff line
@@ -46,12 +46,12 @@ import com.android.server.LocalManagerRegistry; 
import com.android.server.LocalServices;

import com.android.server.SystemService;

import com.android.server.art.ArtManagerLocal;

import com.android.server.profcollect.Utils;

import com.android.server.wm.ActivityMetricsLaunchObserver;

import com.android.server.wm.ActivityMetricsLaunchObserverRegistry;

import com.android.server.wm.ActivityTaskManagerInternal;



import java.util.Arrays;

import java.util.concurrent.ThreadLocalRandom;

import java.util.concurrent.TimeUnit;



/**
@@ -280,11 +280,7 @@ public final class ProfcollectForwardingService extends SystemService { 
            return;

        }



        // Sample for a fraction of app launches.

        int traceFrequency = DeviceConfig.getInt(DeviceConfig.NAMESPACE_PROFCOLLECT_NATIVE_BOOT,

                "applaunch_trace_freq", 2);

        int randomNum = ThreadLocalRandom.current().nextInt(100);

        if (randomNum < traceFrequency) {

        if (Utils.withFrequency("applaunch_trace_freq", 2)) {

            BackgroundThread.get().getThreadHandler().post(() -> {

                try {

                    mIProfcollect.trace_system("applaunch");
@@ -318,12 +314,7 @@ public final class ProfcollectForwardingService extends SystemService { 
        if (mIProfcollect == null) {

            return;

        }

        // Sample for a fraction of dex2oat runs.

        final int traceFrequency =

            DeviceConfig.getInt(DeviceConfig.NAMESPACE_PROFCOLLECT_NATIVE_BOOT,

                "dex2oat_trace_freq", 25);

        int randomNum = ThreadLocalRandom.current().nextInt(100);

        if (randomNum < traceFrequency) {

        if (Utils.withFrequency("dex2oat_trace_freq", 25)) {

            // Dex2oat could take a while before it starts. Add a short delay before start tracing.

            BackgroundThread.get().getThreadHandler().postDelayed(() -> {

                try {
@@ -393,14 +384,7 @@ public final class ProfcollectForwardingService extends SystemService { 
                if (Arrays.asList(cameraSkipPackages).contains(packageId)) {

                    return;

                }

                // Sample for a fraction of camera events.

                final int traceFrequency =

                        DeviceConfig.getInt(DeviceConfig.NAMESPACE_PROFCOLLECT_NATIVE_BOOT,

                        "camera_trace_freq", 10);

                int randomNum = ThreadLocalRandom.current().nextInt(100);

                if (randomNum >= traceFrequency) {

                    return;

                }

                if (Utils.withFrequency("camera_trace_freq", 10)) {

                    final int traceDuration = 5000;

                    final String traceTag = "camera";

                    BackgroundThread.get().getThreadHandler().post(() -> {
@@ -408,13 +392,15 @@ public final class ProfcollectForwardingService extends SystemService { 
                            return;

                        }

                        try {

                        mIProfcollect.trace_process(traceTag, "android.hardware.camera.provider",

                            mIProfcollect.trace_process(traceTag,

                                "android.hardware.camera.provider",

                                traceDuration);

                        } catch (RemoteException e) {

                            Log.e(LOG_TAG, "Failed to initiate trace: " + e.getMessage());

                        }

                    });

                }

            }

        }, null);

    }

}

services/profcollect/src/com/android/server/profcollect/Utils.java

0 → 100644
+32 −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.profcollect;



import android.provider.DeviceConfig;



import java.util.concurrent.ThreadLocalRandom;



public final class Utils {



  public static boolean withFrequency(String configName, int defaultFrequency) {

        int threshold = DeviceConfig.getInt(

                DeviceConfig.NAMESPACE_PROFCOLLECT_NATIVE_BOOT, configName, defaultFrequency);

        int randomNum = ThreadLocalRandom.current().nextInt(100);

        return randomNum < threshold;

    }



}
 
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