/* * Copyright (c) 2012, 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. * */ #ifndef SHARE_VM_JFR_SUPPORT_JFRTHREADEXTENSION_HPP #define SHARE_VM_JFR_SUPPORT_JFRTHREADEXTENSION_HPP #include "jfr/periodic/sampling/jfrThreadSampler.hpp" #include "jfr/support/jfrThreadLocal.hpp" #define DEFINE_THREAD_LOCAL_FIELD_JFR mutable JfrThreadLocal _jfr_thread_local #define DEFINE_THREAD_LOCAL_OFFSET_JFR \ static ByteSize jfr_thread_local_offset() { return in_ByteSize(offset_of(Thread, _jfr_thread_local)); } #define THREAD_LOCAL_OFFSET_JFR Thread::jfr_thread_local_offset() #define DEFINE_THREAD_LOCAL_TRACE_ID_OFFSET_JFR \ static ByteSize trace_id_offset() { return in_ByteSize(offset_of(JfrThreadLocal, _trace_id)); } #define DEFINE_THREAD_LOCAL_ACCESSOR_JFR \ JfrThreadLocal* jfr_thread_local() const { return &_jfr_thread_local; } #define THREAD_ID_OFFSET_JFR JfrThreadLocal::trace_id_offset() #define THREAD_LOCAL_WRITER_OFFSET_JFR \ JfrThreadLocal::java_event_writer_offset() + THREAD_LOCAL_OFFSET_JFR #define DEFINE_TRACE_SUSPEND_FLAG_METHODS \ void set_trace_flag() { set_suspend_flag(_trace_flag); } \ void clear_trace_flag() { clear_suspend_flag(_trace_flag); } \ bool is_trace_suspend() { return (_suspend_flags & _trace_flag) != 0; } #define SUSPEND_THREAD_CONDITIONAL(thread) if ((thread)->is_trace_suspend()) JfrThreadSampling::on_javathread_suspend(thread) #endif // SHARE_VM_JFR_SUPPORT_JFRTHREADEXTENSION_HPP