jdk8-mips64-public/hotspot: src/share/vm/jfr/jni/jfrJniMethod.cpp@30fb8c8cceb9 (annotated)

src/share/vm/jfr/jni/jfrJniMethod.cpp@30fb8c8cceb9 (annotated)

src/share/vm/jfr/jni/jfrJniMethod.cpp

Fri, 12 Jun 2020 02:59:56 +0100

author: jbachorik
date: Fri, 12 Jun 2020 02:59:56 +0100
changeset 9925: 30fb8c8cceb9
parent 9875: 6388d0d497f7
child 9986: 85e682d8ab91
permissions: -rw-r--r--

8233197: Invert JvmtiExport::post_vm_initialized() and Jfr:on_vm_start() start-up order for correct option parsing
8246703: [TESTBUG] Add test for JDK-8233197
Reviewed-by: aph, adinn, neugens

 /*
  * Copyright (c) 2014, 2018, 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 "jni.h"
 #include "jvm.h"
 #include "jfr/jfr.hpp"
 #include "jfr/jfrEvents.hpp"
 #include "jfr/periodic/sampling/jfrThreadSampler.hpp"
 #include "jfr/recorder/jfrEventSetting.hpp"
 #include "jfr/recorder/jfrRecorder.hpp"
 #include "jfr/recorder/checkpoint/jfrMetadataEvent.hpp"
 #include "jfr/recorder/checkpoint/types/traceid/jfrTraceId.inline.hpp"
 #include "jfr/recorder/repository/jfrRepository.hpp"
 #include "jfr/recorder/repository/jfrChunkRotation.hpp"
 #include "jfr/recorder/repository/jfrChunkWriter.hpp"
 #include "jfr/recorder/service/jfrOptionSet.hpp"
 #include "jfr/recorder/stacktrace/jfrStackTraceRepository.hpp"
 #include "jfr/recorder/stringpool/jfrStringPool.hpp"
 #include "jfr/jni/jfrGetAllEventClasses.hpp"
 #include "jfr/jni/jfrJavaSupport.hpp"
 #include "jfr/jni/jfrJniMethodRegistration.hpp"
 #include "jfr/instrumentation/jfrEventClassTransformer.hpp"
 #include "jfr/instrumentation/jfrJvmtiAgent.hpp"
 #include "jfr/leakprofiler/leakProfiler.hpp"
 #include "jfr/utilities/jfrJavaLog.hpp"
 #include "jfr/utilities/jfrTimeConverter.hpp"
 #include "jfr/utilities/jfrTime.hpp"
 #include "jfr/writers/jfrJavaEventWriter.hpp"
 #include "jfrfiles/jfrPeriodic.hpp"
 #include "memory/resourceArea.hpp"
 #include "runtime/interfaceSupport.hpp"
 #include "runtime/mutexLocker.hpp"
 #include "runtime/os.hpp"
 #include "runtime/thread.hpp"
 #include "utilities/debug.hpp"
 #define NO_TRANSITION(result_type, header) extern "C" { result_type JNICALL header {
 #define NO_TRANSITION_END } }
 /*
  * NO_TRANSITION entries
  *
  * Thread remains _thread_in_native
  */
 NO_TRANSITION(void, jfr_register_natives(JNIEnv* env, jclass jvmclass))
   JfrJniMethodRegistration register_native_methods(env);
 NO_TRANSITION_END
 NO_TRANSITION(jboolean, jfr_is_enabled())
   return Jfr::is_enabled() ? JNI_TRUE : JNI_FALSE;
 NO_TRANSITION_END
 NO_TRANSITION(jboolean, jfr_is_disabled())
   return Jfr::is_disabled() ? JNI_TRUE : JNI_FALSE;
 NO_TRANSITION_END
 NO_TRANSITION(jboolean, jfr_is_started())
   return JfrRecorder::is_created() ? JNI_TRUE : JNI_FALSE;
 NO_TRANSITION_END
 NO_TRANSITION(jstring, jfr_get_pid(JNIEnv* env, jobject jvm))
   char pid_buf[32] = { 0 };
   jio_snprintf(pid_buf, sizeof(pid_buf), "%d", os::current_process_id());
   jstring pid_string = env->NewStringUTF(pid_buf);
   return pid_string; // exception pending if NULL
 NO_TRANSITION_END
 NO_TRANSITION(jlong, jfr_elapsed_frequency(JNIEnv* env, jobject jvm))
   return JfrTime::frequency();
 NO_TRANSITION_END
 NO_TRANSITION(jlong, jfr_elapsed_counter(JNIEnv* env, jobject jvm))
   return JfrTicks::now();
 NO_TRANSITION_END
 NO_TRANSITION(void, jfr_retransform_classes(JNIEnv* env, jobject jvm, jobjectArray classes))
   JfrJvmtiAgent::retransform_classes(env, classes, JavaThread::thread_from_jni_environment(env));
 NO_TRANSITION_END
 NO_TRANSITION(void, jfr_set_enabled(JNIEnv* env, jobject jvm, jlong event_type_id, jboolean enabled))
   JfrEventSetting::set_enabled(event_type_id, JNI_TRUE == enabled);
   if (EventOldObjectSample::eventId == event_type_id) {
     ThreadInVMfromNative transition(JavaThread::thread_from_jni_environment(env));
     if (JNI_TRUE == enabled) {
       LeakProfiler::start(JfrOptionSet::old_object_queue_size());
     } else {
       LeakProfiler::stop();
     }
   }
 NO_TRANSITION_END
 NO_TRANSITION(void, jfr_set_file_notification(JNIEnv* env, jobject jvm, jlong threshold))
   JfrChunkRotation::set_threshold((intptr_t)threshold);
 NO_TRANSITION_END
 NO_TRANSITION(void, jfr_set_sample_threads(JNIEnv* env, jobject jvm, jboolean sampleThreads))
   JfrOptionSet::set_sample_threads(sampleThreads);
 NO_TRANSITION_END
 NO_TRANSITION(void, jfr_set_stack_depth(JNIEnv* env, jobject jvm, jint depth))
   JfrOptionSet::set_stackdepth((jlong)depth);
 NO_TRANSITION_END
 NO_TRANSITION(void, jfr_set_stacktrace_enabled(JNIEnv* env, jobject jvm, jlong event_type_id, jboolean enabled))
   JfrEventSetting::set_stacktrace(event_type_id, JNI_TRUE == enabled);
 NO_TRANSITION_END
 NO_TRANSITION(void, jfr_set_global_buffer_count(JNIEnv* env, jobject jvm, jlong count))
   JfrOptionSet::set_num_global_buffers(count);
 NO_TRANSITION_END
 NO_TRANSITION(void, jfr_set_global_buffer_size(JNIEnv* env, jobject jvm, jlong size))
 JfrOptionSet::set_global_buffer_size(size);
 NO_TRANSITION_END
 NO_TRANSITION(void, jfr_set_thread_buffer_size(JNIEnv* env, jobject jvm, jlong size))
   JfrOptionSet::set_thread_buffer_size(size);
 NO_TRANSITION_END
 NO_TRANSITION(void, jfr_set_memory_size(JNIEnv* env, jobject jvm, jlong size))
   JfrOptionSet::set_memory_size(size);
 NO_TRANSITION_END
 NO_TRANSITION(jboolean, jfr_set_threshold(JNIEnv* env, jobject jvm, jlong event_type_id, jlong thresholdTicks))
   return JfrEventSetting::set_threshold(event_type_id, thresholdTicks) ? JNI_TRUE : JNI_FALSE;
 NO_TRANSITION_END
 NO_TRANSITION(jboolean, jfr_allow_event_retransforms(JNIEnv* env, jobject jvm))
   return JfrOptionSet::allow_event_retransforms() ? JNI_TRUE : JNI_FALSE;
 NO_TRANSITION_END
 NO_TRANSITION(jboolean, jfr_is_available(JNIEnv* env, jclass jvm))
   return !Jfr::is_disabled() ? JNI_TRUE : JNI_FALSE;
 NO_TRANSITION_END
 NO_TRANSITION(jlong, jfr_get_epoch_address(JNIEnv* env, jobject jvm))
   return JfrTraceIdEpoch::epoch_address();
 NO_TRANSITION_END
 NO_TRANSITION(jlong, jfr_get_unloaded_event_classes_count(JNIEnv* env, jobject jvm))
   return JfrEventClasses::unloaded_event_classes_count();
 NO_TRANSITION_END
 NO_TRANSITION(jdouble, jfr_time_conv_factor(JNIEnv* env, jobject jvm))
   return (jdouble)JfrTimeConverter::nano_to_counter_multiplier();
 NO_TRANSITION_END
 NO_TRANSITION(jboolean, jfr_set_cutoff(JNIEnv* env, jobject jvm, jlong event_type_id, jlong cutoff_ticks))
   return JfrEventSetting::set_cutoff(event_type_id, cutoff_ticks) ? JNI_TRUE : JNI_FALSE;
 NO_TRANSITION_END
 NO_TRANSITION(jboolean, jfr_should_rotate_disk(JNIEnv* env, jobject jvm))
   return JfrChunkRotation::should_rotate() ? JNI_TRUE : JNI_FALSE;
 NO_TRANSITION_END
 /*
  * JVM_ENTRY_NO_ENV entries
  *
  * Transitions:
  *   Entry: _thread_in_native -> _thread_in_vm
  *   Exit:  _thread_in_vm -> _thread_in_native
  *
  * Current JavaThread available as "thread" variable
  */
 JVM_ENTRY_NO_ENV(jboolean, jfr_create_jfr(JNIEnv* env, jobject jvm, jboolean simulate_failure))
   if (JfrRecorder::is_created()) {
     return JNI_TRUE;
   }
   if (!JfrRecorder::create(simulate_failure == JNI_TRUE)) {
     if (!thread->has_pending_exception()) {
       JfrJavaSupport::throw_illegal_state_exception("Unable to start Jfr", thread);
     }
     return JNI_FALSE;
   }
   return JNI_TRUE;
 JVM_END
 JVM_ENTRY_NO_ENV(jboolean, jfr_destroy_jfr(JNIEnv* env, jobject jvm))
   JfrRecorder::destroy();
   return JNI_TRUE;
 JVM_END
 JVM_ENTRY_NO_ENV(void, jfr_begin_recording(JNIEnv* env, jobject jvm))
   if (JfrRecorder::is_recording()) {
     return;
   }
   JfrRecorder::start_recording();
 JVM_END
 JVM_ENTRY_NO_ENV(void, jfr_end_recording(JNIEnv* env, jobject jvm))
   if (!JfrRecorder::is_recording()) {
     return;
   }
   JfrRecorder::stop_recording();
 JVM_END
 JVM_ENTRY_NO_ENV(jboolean, jfr_emit_event(JNIEnv* env, jobject jvm, jlong eventTypeId, jlong timeStamp, jlong when))
   JfrPeriodicEventSet::requestEvent((JfrEventId)eventTypeId);
   return thread->has_pending_exception() ? JNI_FALSE : JNI_TRUE;
 JVM_END
 JVM_ENTRY_NO_ENV(jobject, jfr_get_all_event_classes(JNIEnv* env, jobject jvm))
   return JfrEventClasses::get_all_event_classes(thread);
 JVM_END
 JVM_ENTRY_NO_ENV(jlong, jfr_class_id(JNIEnv* env, jclass jvm, jclass jc))
   return JfrTraceId::use(jc);
 JVM_END
 JVM_ENTRY_NO_ENV(jlong, jfr_stacktrace_id(JNIEnv* env, jobject jvm, jint skip))
   return JfrStackTraceRepository::record(thread, skip);
 JVM_END
 JVM_ENTRY_NO_ENV(void, jfr_log(JNIEnv* env, jobject jvm, jint tag_set, jint level, jstring message))
  JfrJavaLog::log(tag_set, level, message, thread);
 JVM_END
 JVM_ENTRY_NO_ENV(void, jfr_subscribe_log_level(JNIEnv* env, jobject jvm, jobject log_tag, jint id))
  JfrJavaLog::subscribe_log_level(log_tag, id, thread);
 JVM_END
 JVM_ENTRY_NO_ENV(void, jfr_set_output(JNIEnv* env, jobject jvm, jstring path))
   JfrRepository::set_chunk_path(path, thread);
 JVM_END
 JVM_ENTRY_NO_ENV(void, jfr_set_method_sampling_interval(JNIEnv* env, jobject jvm, jlong type, jlong intervalMillis))
   if (intervalMillis < 0) {
     intervalMillis = 0;
   }
   JfrEventId typed_event_id = (JfrEventId)type;
   assert(EventExecutionSample::eventId == typed_event_id || EventNativeMethodSample::eventId == typed_event_id, "invariant");
   if (intervalMillis > 0) {
     JfrEventSetting::set_enabled(typed_event_id, true); // ensure sampling event is enabled
   }
   if (EventExecutionSample::eventId == type) {
     JfrThreadSampling::set_java_sample_interval(intervalMillis);
   } else {
     JfrThreadSampling::set_native_sample_interval(intervalMillis);
   }
 JVM_END
 JVM_ENTRY_NO_ENV(void, jfr_store_metadata_descriptor(JNIEnv* env, jobject jvm, jbyteArray descriptor))
   JfrMetadataEvent::update(descriptor);
 JVM_END
 // trace thread id for a thread object
 JVM_ENTRY_NO_ENV(jlong, jfr_id_for_thread(JNIEnv* env, jobject jvm, jobject t))
   return JfrJavaSupport::jfr_thread_id(t);
 JVM_END
 JVM_ENTRY_NO_ENV(jobject, jfr_get_event_writer(JNIEnv* env, jclass cls))
   return JfrJavaEventWriter::event_writer(thread);
 JVM_END
 JVM_ENTRY_NO_ENV(jobject, jfr_new_event_writer(JNIEnv* env, jclass cls))
   return JfrJavaEventWriter::new_event_writer(thread);
 JVM_END
 JVM_ENTRY_NO_ENV(jboolean, jfr_event_writer_flush(JNIEnv* env, jclass cls, jobject writer, jint used_size, jint requested_size))
   return JfrJavaEventWriter::flush(writer, used_size, requested_size, thread);
 JVM_END
 JVM_ENTRY_NO_ENV(void, jfr_set_repository_location(JNIEnv* env, jobject repo, jstring location))
   return JfrRepository::set_path(location, thread);
 JVM_END
 JVM_ENTRY_NO_ENV(void, jfr_uncaught_exception(JNIEnv* env, jobject jvm, jobject t, jthrowable throwable))
   JfrJavaSupport::uncaught_exception(throwable, thread);
 JVM_END
 JVM_ENTRY_NO_ENV(void, jfr_abort(JNIEnv* env, jobject jvm, jstring errorMsg))
   JfrJavaSupport::abort(errorMsg, thread);
 JVM_END
 JVM_ENTRY_NO_ENV(jlong, jfr_type_id(JNIEnv* env, jobject jvm, jclass jc))
   return JfrTraceId::get(jc);
 JVM_END
 JVM_ENTRY_NO_ENV(jboolean, jfr_add_string_constant(JNIEnv* env, jclass jvm, jboolean epoch, jlong id, jstring string))
   return JfrStringPool::add(epoch == JNI_TRUE, id, string, thread) ? JNI_TRUE : JNI_FALSE;
 JVM_END
 JVM_ENTRY_NO_ENV(void, jfr_set_force_instrumentation(JNIEnv* env, jobject jvm, jboolean force_instrumentation))
   JfrEventClassTransformer::set_force_instrumentation(force_instrumentation == JNI_TRUE);
 JVM_END
 JVM_ENTRY_NO_ENV(void, jfr_emit_old_object_samples(JNIEnv* env, jobject jvm, jlong cutoff_ticks, jboolean emit_all))
   LeakProfiler::emit_events(cutoff_ticks, emit_all == JNI_TRUE);
 JVM_END

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/jfr/jni/jfrJniMethod.cpp@30fb8c8cceb9 (annotated)

src/share/vm/jfr/jni/jfrJniMethod.cpp