1 /*
2 * Copyright (C) 2017 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 <inttypes.h>
18
19 #include "android-base/logging.h"
20 #include "android-base/stringprintf.h"
21
22 #include "jni.h"
23 #include "jvmti.h"
24
25 // Test infrastructure
26 #include "jni_helper.h"
27 #include "jvmti_helper.h"
28 #include "test_env.h"
29 #include "ti_macros.h"
30
31 namespace art {
32 namespace Test926Timers {
33
Java_art_Test927_getAvailableProcessors(JNIEnv * env,jclass Main_klass ATTRIBUTE_UNUSED)34 extern "C" JNIEXPORT jint JNICALL Java_art_Test927_getAvailableProcessors(
35 JNIEnv* env, jclass Main_klass ATTRIBUTE_UNUSED) {
36 jint count;
37 jvmtiError result = jvmti_env->GetAvailableProcessors(&count);
38 if (JvmtiErrorToException(env, jvmti_env, result)) {
39 return -1;
40 }
41 return count;
42 }
43
Java_art_Test927_getTime(JNIEnv * env,jclass Main_klass ATTRIBUTE_UNUSED)44 extern "C" JNIEXPORT jlong JNICALL Java_art_Test927_getTime(
45 JNIEnv* env, jclass Main_klass ATTRIBUTE_UNUSED) {
46 jlong time;
47 jvmtiError result = jvmti_env->GetTime(&time);
48 if (JvmtiErrorToException(env, jvmti_env, result)) {
49 return -1;
50 }
51 return time;
52 }
53
Java_art_Test927_getTimerInfo(JNIEnv * env,jclass Main_klass ATTRIBUTE_UNUSED)54 extern "C" JNIEXPORT jobjectArray JNICALL Java_art_Test927_getTimerInfo(
55 JNIEnv* env, jclass Main_klass ATTRIBUTE_UNUSED) {
56 jvmtiTimerInfo info;
57 jvmtiError result = jvmti_env->GetTimerInfo(&info);
58 if (JvmtiErrorToException(env, jvmti_env, result)) {
59 return nullptr;
60 }
61
62 auto callback = [&](jint index) -> jobject {
63 switch (index) {
64 // Max value.
65 case 0:
66 return env->NewStringUTF(android::base::StringPrintf("%" PRId64, info.max_value).c_str());
67
68 // Skip forward.
69 case 1:
70 return env->NewStringUTF(info.may_skip_forward == JNI_TRUE ? "true" : "false");
71 // Skip backward.
72 case 2:
73 return env->NewStringUTF(info.may_skip_forward == JNI_TRUE ? "true" : "false");
74
75 // The kind.
76 case 3:
77 return env->NewStringUTF(
78 android::base::StringPrintf("%d", static_cast<jint>(info.kind)).c_str());
79 }
80 LOG(FATAL) << "Should not reach here";
81 UNREACHABLE();
82 };
83 return CreateObjectArray(env, 4, "java/lang/Object", callback);
84 }
85
86 } // namespace Test926Timers
87 } // namespace art
88