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
31namespace art {
32namespace Test926Timers {
33
34extern "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
44extern "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
54extern "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