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Commit d464bcf5 authored by Marcin Oczeretko's avatar Marcin Oczeretko
Browse files

Add collection start time to LooperStats dumpsys output 

Test: called adb shell cmd looper_stats dump
Bug: 113651685
Change-Id: Iccd224b1b50a9ba31a9de254f251fac26fee2171
parent 37c3c958

core/java/com/android/internal/os/LooperStats.java

+7 −0
Original line number Diff line number Diff line
@@ -49,6 +49,7 @@ public class LooperStats implements Looper.Observer { 
    private final int mEntriesSizeCap;

    private int mSamplingInterval;

    private CachedDeviceState.Readonly mDeviceState;

    private long mStartTime = System.currentTimeMillis();



    public LooperStats(int samplingInterval, int entriesSizeCap) {

        this.mSamplingInterval = samplingInterval;
@@ -144,6 +145,11 @@ public class LooperStats implements Looper.Observer { 
        return exportedEntries;

    }



    /** Returns a timestamp indicating when the statistics were last reset. */

    public long getStartTimeMillis() {

        return mStartTime;

    }



    private void maybeAddSpecialEntry(List<ExportedEntry> exportedEntries, Entry specialEntry) {

        synchronized (specialEntry) {

            if (specialEntry.messageCount > 0 || specialEntry.exceptionCount > 0) {
@@ -163,6 +169,7 @@ public class LooperStats implements Looper.Observer { 
        synchronized (mOverflowEntry) {

            mOverflowEntry.reset();

        }

        mStartTime = System.currentTimeMillis();

    }



    public void setSamplingInterval(int samplingInterval) {

services/core/java/com/android/server/LooperStatsService.java

+4 −1
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ import android.os.ShellCommand; 
import android.os.SystemProperties;

import android.os.UserHandle;

import android.provider.Settings;

import android.text.format.DateFormat;

import android.util.KeyValueListParser;

import android.util.Slog;
@@ -91,7 +92,9 @@ public class LooperStatsService extends Binder { 
    @Override

    protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {

        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;

        List<LooperStats.ExportedEntry> entries = mStats.getEntries();

        pw.print("Start time: ");

        pw.println(DateFormat.format("yyyy-MM-dd HH:mm:ss", mStats.getStartTimeMillis()));

        final List<LooperStats.ExportedEntry> entries = mStats.getEntries();

        entries.sort(Comparator

                .comparing((LooperStats.ExportedEntry entry) -> entry.workSourceUid)

                .thenComparing(entry -> entry.threadName)