src/hotspot/share/jfr/jfr.cpp
changeset 50113 caf115bb98ad
child 50873 ce53844224b6
equal deleted inserted replaced
50112:7a2a740815b7 50113:caf115bb98ad
       
     1 /*
       
     2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
       
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       
     4  *
       
     5  * This code is free software; you can redistribute it and/or modify it
       
     6  * under the terms of the GNU General Public License version 2 only, as
       
     7  * published by the Free Software Foundation.
       
     8  *
       
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
       
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    12  * version 2 for more details (a copy is included in the LICENSE file that
       
    13  * accompanied this code).
       
    14  *
       
    15  * You should have received a copy of the GNU General Public License version
       
    16  * 2 along with this work; if not, write to the Free Software Foundation,
       
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    18  *
       
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    20  * or visit www.oracle.com if you need additional information or have any
       
    21  * questions.
       
    22  *
       
    23  */
       
    24 
       
    25 #include "precompiled.hpp"
       
    26 #include "jfr/jfr.hpp"
       
    27 #include "jfr/leakprofiler/leakProfiler.hpp"
       
    28 #include "jfr/periodic/sampling/jfrThreadSampler.hpp"
       
    29 #include "jfr/recorder/service/jfrOptionSet.hpp"
       
    30 #include "jfr/recorder/jfrRecorder.hpp"
       
    31 #include "jfr/recorder/checkpoint/jfrCheckpointManager.hpp"
       
    32 #include "jfr/recorder/repository/jfrEmergencyDump.hpp"
       
    33 #include "jfr/support/jfrThreadLocal.hpp"
       
    34 #include "runtime/java.hpp"
       
    35 
       
    36 bool Jfr::is_enabled() {
       
    37   return JfrRecorder::is_enabled();
       
    38 }
       
    39 
       
    40 bool Jfr::is_disabled() {
       
    41   return JfrRecorder::is_disabled();
       
    42 }
       
    43 
       
    44 bool Jfr::is_recording() {
       
    45   return JfrRecorder::is_recording();
       
    46 }
       
    47 
       
    48 void Jfr::on_vm_init() {
       
    49   if (!JfrRecorder::on_vm_init()) {
       
    50     vm_exit_during_initialization("Failure when starting JFR on_vm_init");
       
    51   }
       
    52 }
       
    53 
       
    54 void Jfr::on_vm_start() {
       
    55   if (!JfrRecorder::on_vm_start()) {
       
    56     vm_exit_during_initialization("Failure when starting JFR on_vm_start");
       
    57   }
       
    58 }
       
    59 
       
    60 void Jfr::on_unloading_classes() {
       
    61   if (JfrRecorder::is_created()) {
       
    62     JfrCheckpointManager::write_type_set_for_unloaded_classes();
       
    63   }
       
    64 }
       
    65 
       
    66 void Jfr::on_thread_exit(JavaThread* thread) {
       
    67   if (JfrRecorder::is_recording()) {
       
    68     JfrThreadLocal::on_exit(thread);
       
    69   }
       
    70 }
       
    71 
       
    72 void Jfr::on_thread_destruct(Thread* thread) {
       
    73   if (JfrRecorder::is_created()) {
       
    74     JfrThreadLocal::on_destruct(thread);
       
    75   }
       
    76 }
       
    77 
       
    78 void Jfr::on_vm_shutdown(bool exception_handler) {
       
    79   if (JfrRecorder::is_recording()) {
       
    80     JfrEmergencyDump::on_vm_shutdown(exception_handler);
       
    81   }
       
    82 }
       
    83 
       
    84 void Jfr::weak_oops_do(BoolObjectClosure* is_alive, OopClosure* f) {
       
    85   LeakProfiler::oops_do(is_alive, f);
       
    86 }
       
    87 
       
    88 bool Jfr::on_start_flight_recording_option(const JavaVMOption** option, char* tail) {
       
    89   return JfrOptionSet::parse_start_flight_recording_option(option, tail);
       
    90 }
       
    91 
       
    92 bool Jfr::on_flight_recorder_option(const JavaVMOption** option, char* tail) {
       
    93   return JfrOptionSet::parse_flight_recorder_option(option, tail);
       
    94 }
       
    95 
       
    96 Thread* Jfr::sampler_thread() {
       
    97   return JfrThreadSampling::sampler_thread();
       
    98 }