Mon, 12 Aug 2019 18:30:40 +0300
8223147: JFR Backport
8199712: Flight Recorder
8203346: JFR: Inconsistent signature of jfr_add_string_constant
8195817: JFR.stop should require name of recording
8195818: JFR.start should increase autogenerated name by one
8195819: Remove recording=x from jcmd JFR.check output
8203921: JFR thread sampling is missing fixes from JDK-8194552
8203929: Limit amount of data for JFR.dump
8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording
8003209: JFR events for network utilization
8207392: [PPC64] Implement JFR profiling
8202835: jfr/event/os/TestSystemProcess.java fails on missing events
Summary: Backport JFR from JDK11. Initial integration
Reviewed-by: neugens
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #include "precompiled.hpp" |
aoqi@0 | 26 | #include "oops/metadata.hpp" |
aoqi@0 | 27 | #include "memory/metaspace.hpp" |
aoqi@0 | 28 | #include "memory/resourceArea.hpp" |
aoqi@0 | 29 | #include "prims/jvmtiRedefineClasses.hpp" |
aoqi@0 | 30 | |
aoqi@0 | 31 | void Metadata::set_on_stack(const bool value) { |
aoqi@0 | 32 | // nothing to set for most metadata |
aoqi@0 | 33 | // Can't inline because this materializes the vtable on some C++ compilers. |
aoqi@0 | 34 | } |
aoqi@0 | 35 | |
aoqi@0 | 36 | void Metadata::print_on(outputStream* st) const { |
aoqi@0 | 37 | ResourceMark rm; |
aoqi@0 | 38 | // print title |
aoqi@0 | 39 | st->print("%s", internal_name()); |
aoqi@0 | 40 | print_address_on(st); |
aoqi@0 | 41 | st->cr(); |
aoqi@0 | 42 | } |
aoqi@0 | 43 | |
aoqi@0 | 44 | char* Metadata::print_value_string() const { |
aoqi@0 | 45 | char buf[100]; |
aoqi@0 | 46 | stringStream st(buf, sizeof(buf)); |
aoqi@0 | 47 | if (this == NULL) { |
aoqi@0 | 48 | st.print("NULL"); |
aoqi@0 | 49 | } else { |
aoqi@0 | 50 | print_value_on(&st); |
aoqi@0 | 51 | } |
aoqi@0 | 52 | return st.as_string(); |
aoqi@0 | 53 | } |