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 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 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 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
