1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.dumprendertree;
18
19import com.android.dumprendertree.forwarder.AdbUtils;
20import com.android.dumprendertree.forwarder.ForwardServer;
21
22import android.app.Instrumentation;
23import android.content.Context;
24import android.content.Intent;
25import android.os.Bundle;
26import android.os.Debug;
27import android.os.Environment;
28import android.os.Process;
29import android.test.ActivityInstrumentationTestCase2;
30import android.util.Log;
31
32import java.io.File;
33import java.io.FileOutputStream;
34import java.io.IOException;
35import java.io.InputStream;
36import java.io.OutputStream;
37import java.io.PrintStream;
38import java.util.concurrent.CountDownLatch;
39import java.util.concurrent.TimeUnit;
40import java.util.regex.Matcher;
41import java.util.regex.Pattern;
42
43public class LoadTestsAutoTest extends ActivityInstrumentationTestCase2<TestShellActivity> {
44
45    private final static String LOGTAG = "LoadTest";
46    private final static String LOAD_TEST_RESULT =
47        Environment.getExternalStorageDirectory() + "/load_test_result.txt";
48    private final static int MAX_GC_WAIT_SEC = 10;
49    private final static int LOCAL_PORT = 17171;
50    private boolean mFinished;
51    static final String LOAD_TEST_RUNNER_FILES[] = {
52        "run_page_cycler.py"
53    };
54    private ForwardServer mForwardServer;
55
56    public LoadTestsAutoTest() {
57        super(TestShellActivity.class);
58    }
59
60    // This function writes the result of the layout test to
61    // Am status so that it can be picked up from a script.
62    public void passOrFailCallback(String file, boolean result) {
63        Instrumentation inst = getInstrumentation();
64        Bundle bundle = new Bundle();
65        bundle.putBoolean(file, result);
66        inst.sendStatus(0, bundle);
67    }
68
69    private String setUpForwarding(String forwardInfo, String suite, String iteration) throws IOException {
70        // read forwarding information first
71        Pattern forwardPattern = Pattern.compile("(.*):(\\d+)/(.*)/");
72        Matcher matcher = forwardPattern.matcher(forwardInfo);
73        if (!matcher.matches()) {
74            throw new RuntimeException("Invalid forward information");
75        }
76        String host = matcher.group(1);
77        int port = Integer.parseInt(matcher.group(2));
78        mForwardServer = new ForwardServer(LOCAL_PORT, AdbUtils.resolve(host), port);
79        mForwardServer.start();
80        return String.format("http://127.0.0.1:%d/%s/%s/start.html?auto=1&iterations=%s",
81                LOCAL_PORT, matcher.group(3), suite, iteration);
82    }
83
84    // Invokes running of layout tests
85    // and waits till it has finished running.
86    public void runPageCyclerTest() throws IOException {
87        LayoutTestsAutoRunner runner = (LayoutTestsAutoRunner) getInstrumentation();
88
89        if (runner.mPageCyclerSuite != null) {
90            // start forwarder to use page cycler suites hosted on external web server
91            if (runner.mPageCyclerForwardHost == null) {
92                throw new RuntimeException("no forwarder information provided");
93            }
94            runner.mTestPath = setUpForwarding(runner.mPageCyclerForwardHost,
95                    runner.mPageCyclerSuite, runner.mPageCyclerIteration);
96            Log.d(LOGTAG, "using path: " + runner.mTestPath);
97        }
98
99        if (runner.mTestPath == null) {
100            throw new RuntimeException("No test specified");
101        }
102
103        final TestShellActivity activity = (TestShellActivity) getActivity();
104
105        Log.v(LOGTAG, "About to run tests, calling gc first...");
106        freeMem();
107
108        // Run tests
109        runTestAndWaitUntilDone(activity, runner.mTestPath, runner.mTimeoutInMillis,
110                runner.mGetDrawTime, runner.mSaveImagePath);
111
112        getInstrumentation().runOnMainSync(new Runnable() {
113
114            @Override
115            public void run() {
116                activity.clearCache();
117            }
118        });
119        if (mForwardServer != null) {
120            mForwardServer.stop();
121            mForwardServer = null;
122        }
123        try {
124            Thread.sleep(5000);
125        } catch (InterruptedException e) {
126        }
127        dumpMemoryInfo();
128
129        // Kill activity
130        activity.finish();
131    }
132
133    private void freeMem() {
134        Log.v(LOGTAG, "freeMem: calling gc...");
135        final CountDownLatch latch = new CountDownLatch(1);
136        @SuppressWarnings("unused")
137        Object dummy = new Object() {
138            // this object instance is used to track gc
139            @Override
140            protected void finalize() throws Throwable {
141                latch.countDown();
142                super.finalize();
143            }
144        };
145        dummy = null;
146        System.gc();
147        try {
148            if (!latch.await(MAX_GC_WAIT_SEC, TimeUnit.SECONDS)) {
149                Log.w(LOGTAG, "gc did not happen in 10s");
150            }
151        } catch (InterruptedException e) {
152            //ignore
153        }
154    }
155
156    private void printRow(PrintStream ps, String format, Object...objs) {
157        ps.println(String.format(format, objs));
158    }
159
160    private void dumpMemoryInfo() {
161        try {
162            freeMem();
163            Log.v(LOGTAG, "Dumping memory information.");
164
165            FileOutputStream out = new FileOutputStream(LOAD_TEST_RESULT, true);
166            PrintStream ps = new PrintStream(out);
167
168            ps.print("\n\n\n");
169            ps.println("** MEMINFO in pid " + Process.myPid()
170                    + " [com.android.dumprendertree] **");
171            String formatString = "%17s %8s %8s %8s %8s";
172
173            long nativeMax = Debug.getNativeHeapSize() / 1024;
174            long nativeAllocated = Debug.getNativeHeapAllocatedSize() / 1024;
175            long nativeFree = Debug.getNativeHeapFreeSize() / 1024;
176            Runtime runtime = Runtime.getRuntime();
177            long dalvikMax = runtime.totalMemory() / 1024;
178            long dalvikFree = runtime.freeMemory() / 1024;
179            long dalvikAllocated = dalvikMax - dalvikFree;
180
181
182            Debug.MemoryInfo memInfo = new Debug.MemoryInfo();
183            Debug.getMemoryInfo(memInfo);
184
185            final int nativeShared = memInfo.nativeSharedDirty;
186            final int dalvikShared = memInfo.dalvikSharedDirty;
187            final int otherShared = memInfo.otherSharedDirty;
188
189            final int nativePrivate = memInfo.nativePrivateDirty;
190            final int dalvikPrivate = memInfo.dalvikPrivateDirty;
191            final int otherPrivate = memInfo.otherPrivateDirty;
192
193            printRow(ps, formatString, "", "native", "dalvik", "other", "total");
194            printRow(ps, formatString, "size:", nativeMax, dalvikMax, "N/A", nativeMax + dalvikMax);
195            printRow(ps, formatString, "allocated:", nativeAllocated, dalvikAllocated, "N/A",
196                    nativeAllocated + dalvikAllocated);
197            printRow(ps, formatString, "free:", nativeFree, dalvikFree, "N/A",
198                    nativeFree + dalvikFree);
199
200            printRow(ps, formatString, "(Pss):", memInfo.nativePss, memInfo.dalvikPss,
201                    memInfo.otherPss, memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss);
202
203            printRow(ps, formatString, "(shared dirty):", nativeShared, dalvikShared, otherShared,
204                    nativeShared + dalvikShared + otherShared);
205            printRow(ps, formatString, "(priv dirty):", nativePrivate, dalvikPrivate, otherPrivate,
206                    nativePrivate + dalvikPrivate + otherPrivate);
207            ps.print("\n\n\n");
208            ps.flush();
209            ps.close();
210            out.flush();
211            out.close();
212        } catch (IOException e) {
213            Log.e(LOGTAG, e.getMessage());
214        }
215    }
216
217    // A convenient method to be called by another activity.
218    private void runTestAndWaitUntilDone(TestShellActivity activity, String url, int timeout,
219            boolean getDrawTime, String saveImagePath) {
220        activity.setCallback(new TestShellCallback() {
221            public void finished() {
222                synchronized (LoadTestsAutoTest.this) {
223                    mFinished = true;
224                    LoadTestsAutoTest.this.notifyAll();
225                }
226            }
227
228            public void timedOut(String url) {
229            }
230        });
231
232        mFinished = false;
233        Intent intent = new Intent(Intent.ACTION_VIEW);
234        intent.setClass(activity, TestShellActivity.class);
235        intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
236        intent.putExtra(TestShellActivity.TEST_URL, url);
237        intent.putExtra(TestShellActivity.TIMEOUT_IN_MILLIS, timeout);
238        intent.putExtra(TestShellActivity.RESULT_FILE, LOAD_TEST_RESULT);
239        intent.putExtra(TestShellActivity.GET_DRAW_TIME, getDrawTime);
240        if (saveImagePath != null)
241            intent.putExtra(TestShellActivity.SAVE_IMAGE, saveImagePath);
242        activity.startActivity(intent);
243
244        // Wait until done.
245        synchronized (this) {
246            while(!mFinished) {
247                try {
248                    this.wait();
249                } catch (InterruptedException e) { }
250            }
251        }
252    }
253
254    public void copyRunnerAssetsToCache() {
255        try {
256            Context targetContext = getInstrumentation().getTargetContext();
257            File cacheDir = targetContext.getCacheDir();
258
259            for( int i=0; i< LOAD_TEST_RUNNER_FILES.length; i++) {
260                InputStream in = targetContext.getAssets().open(
261                        LOAD_TEST_RUNNER_FILES[i]);
262                OutputStream out = new FileOutputStream(
263                        new File(cacheDir, LOAD_TEST_RUNNER_FILES[i]));
264
265                byte[] buf = new byte[2048];
266                int len;
267
268                while ((len = in.read(buf)) >= 0 ) {
269                    out.write(buf, 0, len);
270                }
271                out.close();
272                in.close();
273            }
274        }catch (IOException e) {
275          e.printStackTrace();
276        }
277
278    }
279
280}
281