| /* |
| * Copyright (c) 2012, 2015, 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 "gc/shared/gcTraceTime.inline.hpp" |
| #include "logging/log.hpp" |
| #include "runtime/os.hpp" |
| |
| GCTraceCPUTime::GCTraceCPUTime() : |
| _active(log_is_enabled(Info, gc, cpu)), |
| _starting_user_time(0.0), |
| _starting_system_time(0.0), |
| _starting_real_time(0.0) |
| { |
| if (_active) { |
| bool valid = os::getTimesSecs(&_starting_real_time, |
| &_starting_user_time, |
| &_starting_system_time); |
| if (!valid) { |
| log_warning(gc, cpu)("TraceCPUTime: os::getTimesSecs() returned invalid result"); |
| _active = false; |
| } |
| } |
| } |
| |
| GCTraceCPUTime::~GCTraceCPUTime() { |
| if (_active) { |
| double real_time, user_time, system_time; |
| bool valid = os::getTimesSecs(&real_time, &user_time, &system_time); |
| if (valid) { |
| log_info(gc, cpu)("User=%3.2fs Sys=%3.2fs Real=%3.2fs", |
| user_time - _starting_user_time, |
| system_time - _starting_system_time, |
| real_time - _starting_real_time); |
| } else { |
| log_warning(gc, cpu)("TraceCPUTime: os::getTimesSecs() returned invalid result"); |
| } |
| } |
| } |
