Add the wall clock time to dumpsys cpuinfo so it's easier to correlate with the logs.

import java.io.FileInputStream;

import java.io.PrintWriter;

import java.io.StringWriter;

import java.text.SimpleDateFormat;

import java.util.ArrayList;

import java.util.Collections;

import java.util.Comparator;

import java.util.Date;

import java.util.StringTokenizer;

public class ProcessCpuTracker {

    private long mCurrentSampleRealTime;

    private long mLastSampleRealTime;

    private long mCurrentSampleWallTime;

    private long mLastSampleWallTime;

    private long mBaseUserTime;

    private long mBaseSystemTime;

    private long mBaseIoWaitTime;

        final long nowUptime = SystemClock.uptimeMillis();

        final long nowRealtime = SystemClock.elapsedRealtime();

        final long nowWallTime = System.currentTimeMillis();

        final long[] sysCpu = mSystemCpuData;

        if (Process.readProcFile("/proc/stat", SYSTEM_CPU_FORMAT,

        mCurrentSampleTime = nowUptime;

        mLastSampleRealTime = mCurrentSampleRealTime;

        mCurrentSampleRealTime = nowRealtime;

        mLastSampleWallTime = mCurrentSampleWallTime;

        mCurrentSampleWallTime = nowWallTime;

        final StrictMode.ThreadPolicy savedPolicy = StrictMode.allowThreadDiskReads();

        try {

    }

    final public String printCurrentState(long now) {

        final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");

        buildWorkingProcs();

        StringWriter sw = new StringWriter();

            pw.print(mCurrentSampleTime-now);

            pw.print("ms later");

        }

        pw.print(" (");

        pw.print(sdf.format(new Date(mLastSampleWallTime)));

        pw.print(" to ");

        pw.print(sdf.format(new Date(mCurrentSampleWallTime)));

        pw.print(")");

        long sampleTime = mCurrentSampleTime - mLastSampleTime;

        long sampleRealTime = mCurrentSampleRealTime - mLastSampleRealTime;