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1  /*
2   * Copyright (C) 2015 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  
17  #include "jni.h"
18  
19  #include "jni/java_vm_ext.h"
20  #include "mirror/class-inl.h"
21  #include "scoped_thread_state_change-inl.h"
22  
23  namespace art {
24  namespace {
25  
Java_JObjectBenchmark_timeAddRemoveLocal(JNIEnv * env,jobject jobj,jint reps)26  extern "C" JNIEXPORT void JNICALL Java_JObjectBenchmark_timeAddRemoveLocal(
27      JNIEnv* env, jobject jobj, jint reps) {
28    ScopedObjectAccess soa(env);
29    ObjPtr<mirror::Object> obj = soa.Decode<mirror::Object>(jobj);
30    CHECK(obj != nullptr);
31    for (jint i = 0; i < reps; ++i) {
32      jobject ref = soa.Env()->AddLocalReference<jobject>(obj);
33      soa.Env()->DeleteLocalRef(ref);
34    }
35  }
36  
Java_JObjectBenchmark_timeDecodeLocal(JNIEnv * env,jobject jobj,jint reps)37  extern "C" JNIEXPORT void JNICALL Java_JObjectBenchmark_timeDecodeLocal(
38      JNIEnv* env, jobject jobj, jint reps) {
39    ScopedObjectAccess soa(env);
40    ObjPtr<mirror::Object> obj = soa.Decode<mirror::Object>(jobj);
41    CHECK(obj != nullptr);
42    jobject ref = soa.Env()->AddLocalReference<jobject>(obj);
43    for (jint i = 0; i < reps; ++i) {
44      CHECK_EQ(soa.Decode<mirror::Object>(ref), obj);
45    }
46    soa.Env()->DeleteLocalRef(ref);
47  }
48  
Java_JObjectBenchmark_timeAddRemoveGlobal(JNIEnv * env,jobject jobj,jint reps)49  extern "C" JNIEXPORT void JNICALL Java_JObjectBenchmark_timeAddRemoveGlobal(
50      JNIEnv* env, jobject jobj, jint reps) {
51    ScopedObjectAccess soa(env);
52    ObjPtr<mirror::Object> obj = soa.Decode<mirror::Object>(jobj);
53    CHECK(obj != nullptr);
54    for (jint i = 0; i < reps; ++i) {
55      jobject ref = soa.Vm()->AddGlobalRef(soa.Self(), obj);
56      soa.Vm()->DeleteGlobalRef(soa.Self(), ref);
57    }
58  }
59  
Java_JObjectBenchmark_timeDecodeGlobal(JNIEnv * env,jobject jobj,jint reps)60  extern "C" JNIEXPORT void JNICALL Java_JObjectBenchmark_timeDecodeGlobal(
61      JNIEnv* env, jobject jobj, jint reps) {
62    ScopedObjectAccess soa(env);
63    ObjPtr<mirror::Object> obj = soa.Decode<mirror::Object>(jobj);
64    CHECK(obj != nullptr);
65    jobject ref = soa.Vm()->AddGlobalRef(soa.Self(), obj);
66    for (jint i = 0; i < reps; ++i) {
67      CHECK_EQ(soa.Decode<mirror::Object>(ref), obj);
68    }
69    soa.Vm()->DeleteGlobalRef(soa.Self(), ref);
70  }
71  
Java_JObjectBenchmark_timeAddRemoveWeakGlobal(JNIEnv * env,jobject jobj,jint reps)72  extern "C" JNIEXPORT void JNICALL Java_JObjectBenchmark_timeAddRemoveWeakGlobal(
73      JNIEnv* env, jobject jobj, jint reps) {
74    ScopedObjectAccess soa(env);
75    ObjPtr<mirror::Object> obj = soa.Decode<mirror::Object>(jobj);
76    CHECK(obj != nullptr);
77    for (jint i = 0; i < reps; ++i) {
78      jobject ref = soa.Vm()->AddWeakGlobalRef(soa.Self(), obj);
79      soa.Vm()->DeleteWeakGlobalRef(soa.Self(), ref);
80    }
81  }
82  
Java_JObjectBenchmark_timeDecodeWeakGlobal(JNIEnv * env,jobject jobj,jint reps)83  extern "C" JNIEXPORT void JNICALL Java_JObjectBenchmark_timeDecodeWeakGlobal(
84      JNIEnv* env, jobject jobj, jint reps) {
85    ScopedObjectAccess soa(env);
86    ObjPtr<mirror::Object> obj = soa.Decode<mirror::Object>(jobj);
87    CHECK(obj != nullptr);
88    jobject ref = soa.Vm()->AddWeakGlobalRef(soa.Self(), obj);
89    for (jint i = 0; i < reps; ++i) {
90      CHECK_EQ(soa.Decode<mirror::Object>(ref), obj);
91    }
92    soa.Vm()->DeleteWeakGlobalRef(soa.Self(), ref);
93  }
94  
Java_JObjectBenchmark_timeDecodeHandleScopeRef(JNIEnv * env,jobject jobj,jint reps)95  extern "C" JNIEXPORT void JNICALL Java_JObjectBenchmark_timeDecodeHandleScopeRef(
96      JNIEnv* env, jobject jobj, jint reps) {
97    ScopedObjectAccess soa(env);
98    for (jint i = 0; i < reps; ++i) {
99      soa.Decode<mirror::Object>(jobj);
100    }
101  }
102  
103  }  // namespace
104  }  // namespace art
105