| /* |
| * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "jfr/jni/jfrJniMethod.hpp" |
| #include "jfr/jni/jfrJniMethodRegistration.hpp" |
| #include "logging/log.hpp" |
| #include "runtime/interfaceSupport.inline.hpp" |
| #include "runtime/thread.hpp" |
| #include "utilities/exceptions.hpp" |
| |
| JfrJniMethodRegistration::JfrJniMethodRegistration(JNIEnv* env) { |
| assert(env != NULL, "invariant"); |
| jclass jfr_clz = env->FindClass("jdk/jfr/internal/JVM"); |
| if (jfr_clz != NULL) { |
| JNINativeMethod method[] = { |
| (char*)"beginRecording", (char*)"()V", (void*)jfr_begin_recording, |
| (char*)"endRecording", (char*)"()V", (void*)jfr_end_recording, |
| (char*)"counterTime", (char*)"()J", (void*)jfr_elapsed_counter, |
| (char*)"createJFR", (char*)"(Z)Z", (void*)jfr_create_jfr, |
| (char*)"destroyJFR", (char*)"()Z", (void*)jfr_destroy_jfr, |
| (char*)"emitEvent", (char*)"(JJJ)Z", (void*)jfr_emit_event, |
| (char*)"getAllEventClasses", (char*)"()Ljava/util/List;", (void*)jfr_get_all_event_classes, |
| (char*)"getClassIdNonIntrinsic", (char*)"(Ljava/lang/Class;)J", (void*)jfr_class_id, |
| (char*)"getPid", (char*)"()Ljava/lang/String;", (void*)jfr_get_pid, |
| (char*)"getStackTraceId", (char*)"(I)J", (void*)jfr_stacktrace_id, |
| (char*)"getThreadId", (char*)"(Ljava/lang/Thread;)J", (void*)jfr_id_for_thread, |
| (char*)"getTicksFrequency", (char*)"()J", (void*)jfr_elapsed_frequency, |
| (char*)"subscribeLogLevel", (char*)"(Ljdk/jfr/internal/LogTag;I)V", (void*)jfr_subscribe_log_level, |
| (char*)"log", (char*)"(IILjava/lang/String;)V", (void*)jfr_log, |
| (char*)"retransformClasses", (char*)"([Ljava/lang/Class;)V", (void*)jfr_retransform_classes, |
| (char*)"setEnabled", (char*)"(JZ)V", (void*)jfr_set_enabled, |
| (char*)"setFileNotification", (char*)"(J)V", (void*)jfr_set_file_notification, |
| (char*)"setGlobalBufferCount", (char*)"(J)V", (void*)jfr_set_global_buffer_count, |
| (char*)"setGlobalBufferSize", (char*)"(J)V", (void*)jfr_set_global_buffer_size, |
| (char*)"setMethodSamplingInterval", (char*)"(JJ)V", (void*)jfr_set_method_sampling_interval, |
| (char*)"setOutput", (char*)"(Ljava/lang/String;)V", (void*)jfr_set_output, |
| (char*)"setSampleThreads", (char*)"(Z)V", (void*)jfr_set_sample_threads, |
| (char*)"setStackDepth", (char*)"(I)V", (void*)jfr_set_stack_depth, |
| (char*)"setStackTraceEnabled", (char*)"(JZ)V", (void*)jfr_set_stacktrace_enabled, |
| (char*)"setThreadBufferSize", (char*)"(J)V", (void*)jfr_set_thread_buffer_size, |
| (char*)"setMemorySize", (char*)"(J)V", (void*)jfr_set_memory_size, |
| (char*)"setThreshold", (char*)"(JJ)Z", (void*)jfr_set_threshold, |
| (char*)"storeMetadataDescriptor", (char*)"([B)V", (void*)jfr_store_metadata_descriptor, |
| (char*)"getAllowedToDoEventRetransforms", (char*)"()Z", (void*)jfr_allow_event_retransforms, |
| (char*)"isAvailable", (char*)"()Z", (void*)jfr_is_available, |
| (char*)"getTimeConversionFactor", (char*)"()D", (void*)jfr_time_conv_factor, |
| (char*)"getTypeId", (char*)"(Ljava/lang/Class;)J", (void*)jfr_type_id, |
| (char*)"getEventWriter", (char*)"()Ljava/lang/Object;", (void*)jfr_get_event_writer, |
| (char*)"newEventWriter", (char*)"()Ljdk/jfr/internal/EventWriter;", (void*)jfr_new_event_writer, |
| (char*)"flush", (char*)"(Ljdk/jfr/internal/EventWriter;II)Z", (void*)jfr_event_writer_flush, |
| (char*)"flush", (char*)"()V", (void*)jfr_flush, |
| (char*)"setRepositoryLocation", (char*)"(Ljava/lang/String;)V", (void*)jfr_set_repository_location, |
| (char*)"abort", (char*)"(Ljava/lang/String;)V", (void*)jfr_abort, |
| (char*)"getEpochAddress", (char*)"()J",(void*)jfr_get_epoch_address, |
| (char*)"addStringConstant", (char*)"(ZJLjava/lang/String;)Z", (void*)jfr_add_string_constant, |
| (char*)"uncaughtException", (char*)"(Ljava/lang/Thread;Ljava/lang/Throwable;)V", (void*)jfr_uncaught_exception, |
| (char*)"setForceInstrumentation", (char*)"(Z)V", (void*)jfr_set_force_instrumentation, |
| (char*)"getUnloadedEventClassCount", (char*)"()J", (void*)jfr_get_unloaded_event_classes_count, |
| (char*)"setCutoff", (char*)"(JJ)Z", (void*)jfr_set_cutoff, |
| (char*)"emitOldObjectSamples", (char*)"(JZ)V", (void*)jfr_emit_old_object_samples, |
| (char*)"shouldRotateDisk", (char*)"()Z", (void*)jfr_should_rotate_disk, |
| (char*)"exclude", (char*)"(Ljava/lang/Thread;)V", (void*)jfr_exclude_thread, |
| (char*)"include", (char*)"(Ljava/lang/Thread;)V", (void*)jfr_include_thread, |
| (char*)"isExcluded", (char*)"(Ljava/lang/Thread;)Z", (void*)jfr_is_thread_excluded, |
| (char*)"getChunkStartNanos", (char*)"()J", (void*)jfr_chunk_start_nanos |
| }; |
| |
| const size_t method_array_length = sizeof(method) / sizeof(JNINativeMethod); |
| if (env->RegisterNatives(jfr_clz, method, (jint)method_array_length) != JNI_OK) { |
| JavaThread* jt = JavaThread::thread_from_jni_environment(env); |
| assert(jt != NULL, "invariant"); |
| assert(jt->thread_state() == _thread_in_native, "invariant"); |
| ThreadInVMfromNative transition(jt); |
| log_error(jfr, system)("RegisterNatives for JVM class failed!"); |
| } |
| env->DeleteLocalRef(jfr_clz); |
| } |
| } |