Andreas Gampe | 27fa96c | 2016-10-07 15:05:24 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 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 | |
Andreas Gampe | 27fa96c | 2016-10-07 15:05:24 -0700 | [diff] [blame] | 17 | #include <iostream> |
Andreas Gampe | 115b498 | 2017-04-12 19:06:12 -0700 | [diff] [blame] | 18 | #include <mutex> |
Andreas Gampe | 27fa96c | 2016-10-07 15:05:24 -0700 | [diff] [blame] | 19 | #include <pthread.h> |
| 20 | #include <stdio.h> |
| 21 | #include <vector> |
| 22 | |
Andreas Gampe | 027444b | 2017-03-31 12:49:07 -0700 | [diff] [blame] | 23 | #include "android-base/logging.h" |
Andreas Gampe | 115b498 | 2017-04-12 19:06:12 -0700 | [diff] [blame] | 24 | #include "android-base/stringprintf.h" |
Andreas Gampe | 27fa96c | 2016-10-07 15:05:24 -0700 | [diff] [blame] | 25 | #include "jni.h" |
Andreas Gampe | 5e03a30 | 2017-03-13 13:10:00 -0700 | [diff] [blame] | 26 | #include "jvmti.h" |
Andreas Gampe | 027444b | 2017-03-31 12:49:07 -0700 | [diff] [blame] | 27 | #include "scoped_local_ref.h" |
| 28 | #include "scoped_utf_chars.h" |
Andreas Gampe | 27fa96c | 2016-10-07 15:05:24 -0700 | [diff] [blame] | 29 | |
Andreas Gampe | 3f46c96 | 2017-03-30 10:26:59 -0700 | [diff] [blame] | 30 | // Test infrastructure |
| 31 | #include "jvmti_helper.h" |
| 32 | #include "test_env.h" |
| 33 | |
Andreas Gampe | 27fa96c | 2016-10-07 15:05:24 -0700 | [diff] [blame] | 34 | namespace art { |
| 35 | namespace Test904ObjectAllocation { |
| 36 | |
Andreas Gampe | 27fa96c | 2016-10-07 15:05:24 -0700 | [diff] [blame] | 37 | static std::string GetClassName(JNIEnv* jni_env, jclass cls) { |
| 38 | ScopedLocalRef<jclass> class_class(jni_env, jni_env->GetObjectClass(cls)); |
| 39 | jmethodID mid = jni_env->GetMethodID(class_class.get(), "getName", "()Ljava/lang/String;"); |
| 40 | ScopedLocalRef<jstring> str( |
| 41 | jni_env, reinterpret_cast<jstring>(jni_env->CallObjectMethod(cls, mid))); |
| 42 | ScopedUtfChars utf_chars(jni_env, str.get()); |
| 43 | return utf_chars.c_str(); |
| 44 | } |
| 45 | |
Andreas Gampe | 115b498 | 2017-04-12 19:06:12 -0700 | [diff] [blame] | 46 | static std::mutex gEventsMutex; |
| 47 | static std::vector<std::string> gEvents; |
| 48 | |
Andreas Gampe | 27fa96c | 2016-10-07 15:05:24 -0700 | [diff] [blame] | 49 | static void JNICALL ObjectAllocated(jvmtiEnv* ti_env ATTRIBUTE_UNUSED, |
| 50 | JNIEnv* jni_env, |
| 51 | jthread thread ATTRIBUTE_UNUSED, |
| 52 | jobject object, |
| 53 | jclass object_klass, |
| 54 | jlong size) { |
| 55 | std::string object_klass_descriptor = GetClassName(jni_env, object_klass); |
| 56 | ScopedLocalRef<jclass> object_klass2(jni_env, jni_env->GetObjectClass(object)); |
| 57 | std::string object_klass_descriptor2 = GetClassName(jni_env, object_klass2.get()); |
| 58 | |
Andreas Gampe | 115b498 | 2017-04-12 19:06:12 -0700 | [diff] [blame] | 59 | std::lock_guard<std::mutex> guard(gEventsMutex); |
| 60 | gEvents.push_back(android::base::StringPrintf("ObjectAllocated type %s/%s size %zu", |
| 61 | object_klass_descriptor.c_str(), |
| 62 | object_klass_descriptor2.c_str(), |
| 63 | static_cast<size_t>(size))); |
Andreas Gampe | 27fa96c | 2016-10-07 15:05:24 -0700 | [diff] [blame] | 64 | } |
| 65 | |
Andreas Gampe | 4665167 | 2017-04-07 09:00:04 -0700 | [diff] [blame] | 66 | extern "C" JNIEXPORT void JNICALL Java_art_Test904_setupObjectAllocCallback( |
Andreas Gampe | 3f46c96 | 2017-03-30 10:26:59 -0700 | [diff] [blame] | 67 | JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jboolean enable) { |
Andreas Gampe | 27fa96c | 2016-10-07 15:05:24 -0700 | [diff] [blame] | 68 | jvmtiEventCallbacks callbacks; |
| 69 | memset(&callbacks, 0, sizeof(jvmtiEventCallbacks)); |
Andreas Gampe | 2427aae | 2016-10-17 18:05:19 -0700 | [diff] [blame] | 70 | callbacks.VMObjectAlloc = enable ? ObjectAllocated : nullptr; |
Andreas Gampe | 27fa96c | 2016-10-07 15:05:24 -0700 | [diff] [blame] | 71 | |
| 72 | jvmtiError ret = jvmti_env->SetEventCallbacks(&callbacks, sizeof(callbacks)); |
Andreas Gampe | 3f46c96 | 2017-03-30 10:26:59 -0700 | [diff] [blame] | 73 | JvmtiErrorToException(env, jvmti_env, ret); |
Andreas Gampe | 27fa96c | 2016-10-07 15:05:24 -0700 | [diff] [blame] | 74 | } |
| 75 | |
Andreas Gampe | 4665167 | 2017-04-07 09:00:04 -0700 | [diff] [blame] | 76 | extern "C" JNIEXPORT void JNICALL Java_art_Test904_enableAllocationTracking( |
| 77 | JNIEnv* env, jclass, jthread thread, jboolean enable) { |
Andreas Gampe | 27fa96c | 2016-10-07 15:05:24 -0700 | [diff] [blame] | 78 | jvmtiError ret = jvmti_env->SetEventNotificationMode( |
| 79 | enable ? JVMTI_ENABLE : JVMTI_DISABLE, |
| 80 | JVMTI_EVENT_VM_OBJECT_ALLOC, |
| 81 | thread); |
Andreas Gampe | 3f46c96 | 2017-03-30 10:26:59 -0700 | [diff] [blame] | 82 | JvmtiErrorToException(env, jvmti_env, ret); |
Andreas Gampe | 27fa96c | 2016-10-07 15:05:24 -0700 | [diff] [blame] | 83 | } |
| 84 | |
Andreas Gampe | 115b498 | 2017-04-12 19:06:12 -0700 | [diff] [blame] | 85 | extern "C" JNIEXPORT jobjectArray JNICALL Java_art_Test904_getTrackingEventMessages( |
| 86 | JNIEnv* env, jclass Main_klass ATTRIBUTE_UNUSED) { |
| 87 | std::lock_guard<std::mutex> guard(gEventsMutex); |
| 88 | jobjectArray ret = CreateObjectArray(env, |
| 89 | static_cast<jint>(gEvents.size()), |
| 90 | "java/lang/String", |
| 91 | [&](jint i) { |
| 92 | return env->NewStringUTF(gEvents[i].c_str()); |
| 93 | }); |
| 94 | gEvents.clear(); |
| 95 | return ret; |
| 96 | } |
| 97 | |
Andreas Gampe | 27fa96c | 2016-10-07 15:05:24 -0700 | [diff] [blame] | 98 | } // namespace Test904ObjectAllocation |
| 99 | } // namespace art |