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Commit eef01392 authored by Treehugger Robot's avatar Treehugger Robot Committed by Automerger Merge Worker
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Merge "profcollect: Trace on camera open events" into main am: 96b2e4b8 am: 01193193 

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3115077



Change-Id: I1b80bb818b5960a7be709968a4b97cf84d340e6d
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 8e18ceab 01193193

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

+35 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ import android.content.ComponentName; 
import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.hardware.camera2.CameraManager;

import android.os.Handler;

import android.os.IBinder.DeathRecipient;

import android.os.Looper;
@@ -258,6 +259,7 @@ public final class ProfcollectForwardingService extends SystemService { 
        BackgroundThread.get().getThreadHandler().post(

                () -> {

                    registerAppLaunchObserver();

                    registerCameraOpenObserver();

                    registerDex2oatObserver();

                    registerOTAObserver();

                });
@@ -371,4 +373,37 @@ public final class ProfcollectForwardingService extends SystemService { 
            pfs.getContext().sendBroadcast(intent);

        });

    }



    private void registerCameraOpenObserver() {

        CameraManager cm = getContext().getSystemService(CameraManager.class);

        cm.registerAvailabilityCallback(new CameraManager.AvailabilityCallback() {

            @Override

            public void onCameraOpened(String cameraId, String packageId) {

                Log.d(LOG_TAG, "Received camera open event from: " + packageId);

                // Skip face auth and Android System Intelligence, since they trigger way too

                // often.

                if (packageId.startsWith("client.pid")

                        || packageId.equals("com.google.android.as")) {

                    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;

                }

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

                    try {

                        // Wait for a short time before starting tracing.

                        Thread.sleep(1000);

                        mIProfcollect.trace_once("camera");

                    } catch (RemoteException | InterruptedException e) {

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

                    }

                });

            }

        }, null);

    }

}