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Commit da6c7062 authored by Treehugger Robot's avatar Treehugger Robot Committed by Gerrit Code Review
Browse files

Merge "tracing: add instrumentation for tracing service reports"

parents 4ff7b1d7 788b5b8c

services/core/java/com/android/server/tracing/TracingServiceProxy.java

+31 −0
Original line number Diff line number Diff line
@@ -15,6 +15,13 @@ 
 */

package com.android.server.tracing;



import static com.android.internal.util.FrameworkStatsLog.TRACING_SERVICE_REPORT_EVENT;

import static com.android.internal.util.FrameworkStatsLog.TRACING_SERVICE_REPORT_EVENT__EVENT__TRACING_SERVICE_REPORT_BEGIN;

import static com.android.internal.util.FrameworkStatsLog.TRACING_SERVICE_REPORT_EVENT__EVENT__TRACING_SERVICE_REPORT_BIND_PERM_INCORRECT;

import static com.android.internal.util.FrameworkStatsLog.TRACING_SERVICE_REPORT_EVENT__EVENT__TRACING_SERVICE_REPORT_SVC_COMM_ERROR;

import static com.android.internal.util.FrameworkStatsLog.TRACING_SERVICE_REPORT_EVENT__EVENT__TRACING_SERVICE_REPORT_SVC_HANDOFF;

import static com.android.internal.util.FrameworkStatsLog.TRACING_SERVICE_REPORT_EVENT__EVENT__TRACING_SERVICE_REPORT_SVC_PERM_MISSING;



import android.Manifest;

import android.annotation.NonNull;

import android.content.ComponentName;
@@ -39,6 +46,7 @@ import android.util.LruCache; 
import android.util.Slog;



import com.android.internal.infra.ServiceConnector;

import com.android.internal.util.FrameworkStatsLog;

import com.android.server.SystemService;



import java.io.IOException;
@@ -71,6 +79,17 @@ public class TracingServiceProxy extends SystemService { 
    private static final String INTENT_ACTION_NOTIFY_SESSION_STOLEN =

            "com.android.traceur.NOTIFY_SESSION_STOLEN";



    private static final int REPORT_BEGIN =

            TRACING_SERVICE_REPORT_EVENT__EVENT__TRACING_SERVICE_REPORT_BEGIN;

    private static final int REPORT_SVC_HANDOFF =

            TRACING_SERVICE_REPORT_EVENT__EVENT__TRACING_SERVICE_REPORT_SVC_HANDOFF;

    private static final int REPORT_BIND_PERM_INCORRECT =

            TRACING_SERVICE_REPORT_EVENT__EVENT__TRACING_SERVICE_REPORT_BIND_PERM_INCORRECT;

    private static final int REPORT_SVC_PERM_MISSING =

            TRACING_SERVICE_REPORT_EVENT__EVENT__TRACING_SERVICE_REPORT_SVC_PERM_MISSING;

    private static final int REPORT_SVC_COMM_ERROR =

            TRACING_SERVICE_REPORT_EVENT__EVENT__TRACING_SERVICE_REPORT_SVC_COMM_ERROR;



    private final Context mContext;

    private final PackageManager mPackageManager;

    private final LruCache<ComponentName, ServiceConnector<IMessenger>> mCachedReporterServices;
@@ -134,17 +153,24 @@ public class TracingServiceProxy extends SystemService { 
    }



    private void reportTrace(@NonNull TraceReportParams params) {

        FrameworkStatsLog.write(TRACING_SERVICE_REPORT_EVENT, REPORT_BEGIN,

                params.uuidLsb, params.uuidMsb);



        // We don't need to do any permission checks on the caller because access

        // to this service is guarded by SELinux.

        ComponentName component = new ComponentName(params.reporterPackageName,

                params.reporterClassName);

        if (!hasBindServicePermission(component)) {

            FrameworkStatsLog.write(TRACING_SERVICE_REPORT_EVENT, REPORT_BIND_PERM_INCORRECT,

                    params.uuidLsb, params.uuidMsb);

            return;

        }

        boolean hasDumpPermission = hasPermission(component, Manifest.permission.DUMP);

        boolean hasUsageStatsPermission = hasPermission(component,

                Manifest.permission.PACKAGE_USAGE_STATS);

        if (!hasDumpPermission || !hasUsageStatsPermission) {

            FrameworkStatsLog.write(TRACING_SERVICE_REPORT_EVENT, REPORT_SVC_PERM_MISSING,

                    params.uuidLsb, params.uuidMsb);

            return;

        }

        final long ident = Binder.clearCallingIdentity();
@@ -178,8 +204,13 @@ public class TracingServiceProxy extends SystemService { 
            message.what = TraceReportService.MSG_REPORT_TRACE;

            message.obj = params;

            messenger.send(message);



            FrameworkStatsLog.write(TRACING_SERVICE_REPORT_EVENT, REPORT_SVC_HANDOFF,

                    params.uuidLsb, params.uuidMsb);

        }).whenComplete((res, err) -> {

            if (err != null) {

                FrameworkStatsLog.write(TRACING_SERVICE_REPORT_EVENT, REPORT_SVC_COMM_ERROR,

                        params.uuidLsb, params.uuidMsb);

                Slog.e(TAG, "Failed to report trace", err);

            }

            try {