+++ /dev/null
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "dex_file.h"
-
-#include "jit/offline_profiling_info.h"
-#include "jni.h"
-#include "mirror/class-inl.h"
-#include "oat_file_assistant.h"
-#include "oat_file_manager.h"
-#include "scoped_thread_state_change.h"
-#include "thread.h"
-
-namespace art {
-namespace {
-
-extern "C" JNIEXPORT jstring JNICALL Java_Main_getProfileInfoDump(
- JNIEnv* env, jclass cls, jstring filename) {
- std::string dex_location;
- {
- ScopedObjectAccess soa(Thread::Current());
- dex_location = soa.Decode<mirror::Class*>(cls)->GetDexCache()->GetDexFile()->GetLocation();
- }
- const OatFile* oat_file = Runtime::Current()->GetOatFileManager().GetPrimaryOatFile();
- std::vector<std::unique_ptr<const DexFile>> dex_files =
- OatFileAssistant::LoadDexFiles(*oat_file, dex_location.c_str());
- const char* filename_chars = env->GetStringUTFChars(filename, nullptr);
-
- std::vector<const DexFile*> dex_files_raw;
- for (size_t i = 0; i < dex_files.size(); i++) {
- dex_files_raw.push_back(dex_files[i].get());
- }
-
- ProfileCompilationInfo info(filename_chars);
-
- std::string result = info.Load(dex_files_raw)
- ? info.DumpInfo(/*print_full_dex_location*/false)
- : "Could not load profile info";
-
- env->ReleaseStringUTFChars(filename, filename_chars);
- // Return the dump of the profile info. It will be compared against a golden value.
- return env->NewStringUTF(result.c_str());
-}
-
-} // namespace
-} // namespace art
+++ /dev/null
-#!/bin/bash
-#
-# Copyright 2015 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-exec ${RUN} \
- -Xcompiler-option --compiler-filter=interpret-only \
- --runtime-option -Xjitsaveprofilinginfo \
- --runtime-option -Xusejit:true \
- --runtime-option -Xjitwarmupthreshold:2 \
- --runtime-option -Xjitthreshold:4 \
- "${@}"
+++ /dev/null
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import java.util.HashMap;
-
-public class OtherDex {
- public void coldMethod() {
- hotMethod();
- }
-
- public String hotMethod() {
- HashMap<String, String> map = new HashMap<String, String>();
- for (int i = 0; i < 10; i++) {
- map.put("" + i, "" + i + 1);
- }
- return map.get("1");
- }
-}
+++ /dev/null
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import java.io.File;
-import java.io.IOException;
-import java.lang.reflect.Method;
-import java.util.HashMap;
-
-public class Main {
-
- public void coldMethod() {
- hotMethod();
- }
-
- public String hotMethod() {
- HashMap<String, String> map = new HashMap<String, String>();
- for (int i = 0; i < 10; i++) {
- map.put("" + i, "" + i + 1);
- }
- return map.get("1");
- }
-
- private static final String PKG_NAME = "test.package";
- private static final String APP_DIR_PREFIX = "app_dir_";
- private static final String CODE_CACHE = "code_cache";
- private static final String PROFILE_FILE = PKG_NAME + ".prof";
- private static final String TEMP_FILE_NAME_PREFIX = "dummy";
- private static final String TEMP_FILE_NAME_SUFFIX = "-file";
- private static final int JIT_INVOCATION_COUNT = 200;
-
- /* needs to match Runtime:: kProfileBackground */
- private static final int PROFILE_BACKGROUND = 1;
-
- public static void main(String[] args) throws Exception {
- System.loadLibrary(args[0]);
-
- File file = null;
- File appDir = null;
- File profileDir = null;
- File profileFile = null;
- try {
- // We don't know where we have rights to create the code_cache. So create
- // a dummy temporary file and get its parent directory. That will serve as
- // the app directory.
- file = createTempFile();
- appDir = new File(file.getParent(), APP_DIR_PREFIX + file.getName());
- appDir.mkdir();
- profileDir = new File(appDir, CODE_CACHE);
- profileDir.mkdir();
-
- // Registering the app info will set the profile file name.
- VMRuntime.registerAppInfo(PKG_NAME, appDir.getPath());
-
- // Make sure the hot methods are jitted.
- Main m = new Main();
- OtherDex o = new OtherDex();
- for (int i = 0; i < JIT_INVOCATION_COUNT; i++) {
- m.hotMethod();
- o.hotMethod();
- }
-
- // Sleep for 2 second to make sure that the methods had a chance to get compiled.
- Thread.sleep(2000);
- // Updating the process state to BACKGROUND will trigger profile saving.
- VMRuntime.updateProcessState(PROFILE_BACKGROUND);
-
- // Check that the profile file exists.
- profileFile = new File(profileDir, PROFILE_FILE);
- if (!profileFile.exists()) {
- throw new RuntimeException("No profile file found");
- }
- // Dump the profile file.
- // We know what methods are hot and we compare with the golden `expected` output.
- System.out.println(getProfileInfoDump(profileFile.getPath()));
- } finally {
- if (file != null) {
- file.delete();
- }
- if (profileFile != null) {
- profileFile.delete();
- }
- if (profileDir != null) {
- profileDir.delete();
- }
- if (appDir != null) {
- appDir.delete();
- }
- }
- }
-
- private static class VMRuntime {
- private static final Method registerAppInfoMethod;
- private static final Method updateProcessStateMethod;
- private static final Method getRuntimeMethod;
- static {
- try {
- Class c = Class.forName("dalvik.system.VMRuntime");
- registerAppInfoMethod = c.getDeclaredMethod("registerAppInfo",
- String.class, String.class, String.class);
- updateProcessStateMethod = c.getDeclaredMethod("updateProcessState", Integer.TYPE);
- getRuntimeMethod = c.getDeclaredMethod("getRuntime");
- } catch (Exception e) {
- throw new RuntimeException(e);
- }
- }
-
- public static void registerAppInfo(String pkgName, String appDir) throws Exception {
- registerAppInfoMethod.invoke(null, pkgName, appDir, null);
- }
- public static void updateProcessState(int state) throws Exception {
- Object runtime = getRuntimeMethod.invoke(null);
- updateProcessStateMethod.invoke(runtime, state);
- }
- }
-
- static native String getProfileInfoDump(
- String filename);
-
- private static File createTempFile() throws Exception {
- try {
- return File.createTempFile(TEMP_FILE_NAME_PREFIX, TEMP_FILE_NAME_SUFFIX);
- } catch (IOException e) {
- System.setProperty("java.io.tmpdir", "/data/local/tmp");
- try {
- return File.createTempFile(TEMP_FILE_NAME_PREFIX, TEMP_FILE_NAME_SUFFIX);
- } catch (IOException e2) {
- System.setProperty("java.io.tmpdir", "/sdcard");
- return File.createTempFile(TEMP_FILE_NAME_PREFIX, TEMP_FILE_NAME_SUFFIX);
- }
- }
- }
-}
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