89 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			89 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
| /*
 | |
|  * Copyright (C) 2013 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 <stdio.h>
 | |
| #include <string.h>
 | |
| 
 | |
| #include "android-base/macros.h"
 | |
| 
 | |
| #include "jni.h"
 | |
| #include "jvmti.h"
 | |
| 
 | |
| // Test infrastructure
 | |
| #include "jvmti_helper.h"
 | |
| #include "test_env.h"
 | |
| 
 | |
| namespace art {
 | |
| namespace Test908GcStartFinish {
 | |
| 
 | |
| static size_t starts = 0;
 | |
| static size_t finishes = 0;
 | |
| 
 | |
| static void JNICALL GarbageCollectionFinish(jvmtiEnv* ti_env ATTRIBUTE_UNUSED) {
 | |
|   finishes++;
 | |
| }
 | |
| 
 | |
| static void JNICALL GarbageCollectionStart(jvmtiEnv* ti_env ATTRIBUTE_UNUSED) {
 | |
|   starts++;
 | |
| }
 | |
| 
 | |
| extern "C" JNIEXPORT void JNICALL Java_art_Test908_setupGcCallback(
 | |
|     JNIEnv* env, jclass klass ATTRIBUTE_UNUSED) {
 | |
|   jvmtiEventCallbacks callbacks;
 | |
|   memset(&callbacks, 0, sizeof(jvmtiEventCallbacks));
 | |
|   callbacks.GarbageCollectionFinish = GarbageCollectionFinish;
 | |
|   callbacks.GarbageCollectionStart = GarbageCollectionStart;
 | |
| 
 | |
|   jvmtiError ret = jvmti_env->SetEventCallbacks(&callbacks, sizeof(callbacks));
 | |
|   JvmtiErrorToException(env, jvmti_env, ret);
 | |
| }
 | |
| 
 | |
| extern "C" JNIEXPORT void JNICALL Java_art_Test908_enableGcTracking(JNIEnv* env,
 | |
|                                                                     jclass klass ATTRIBUTE_UNUSED,
 | |
|                                                                     jboolean enable) {
 | |
|   jvmtiError ret = jvmti_env->SetEventNotificationMode(
 | |
|       enable ? JVMTI_ENABLE : JVMTI_DISABLE,
 | |
|       JVMTI_EVENT_GARBAGE_COLLECTION_START,
 | |
|       nullptr);
 | |
|   if (JvmtiErrorToException(env, jvmti_env, ret)) {
 | |
|     return;
 | |
|   }
 | |
|   ret = jvmti_env->SetEventNotificationMode(
 | |
|       enable ? JVMTI_ENABLE : JVMTI_DISABLE,
 | |
|       JVMTI_EVENT_GARBAGE_COLLECTION_FINISH,
 | |
|       nullptr);
 | |
|   if (JvmtiErrorToException(env, jvmti_env, ret)) {
 | |
|     return;
 | |
|   }
 | |
| }
 | |
| 
 | |
| extern "C" JNIEXPORT jint JNICALL Java_art_Test908_getGcStarts(JNIEnv* env ATTRIBUTE_UNUSED,
 | |
|                                                                jclass klass ATTRIBUTE_UNUSED) {
 | |
|   jint result = static_cast<jint>(starts);
 | |
|   starts = 0;
 | |
|   return result;
 | |
| }
 | |
| 
 | |
| extern "C" JNIEXPORT jint JNICALL Java_art_Test908_getGcFinishes(JNIEnv* env ATTRIBUTE_UNUSED,
 | |
|                                                                  jclass klass ATTRIBUTE_UNUSED) {
 | |
|   jint result = static_cast<jint>(finishes);
 | |
|   finishes = 0;
 | |
|   return result;
 | |
| }
 | |
| 
 | |
| }  // namespace Test908GcStartFinish
 | |
| }  // namespace art
 |