author | iignatyev |
Mon, 10 Dec 2018 11:04:55 -0800 | |
changeset 52934 | 8deeb7bba516 |
parent 50174 | 78d9ffb8146f |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#include "precompiled.hpp" |
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#include "jfr/utilities/jfrTime.hpp" |
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#include "runtime/os.hpp" |
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50174
78d9ffb8146f
8203287: Zero fails to build after JDK-8199712 (Flight Recorder)
sgehwolf
parents:
50113
diff
changeset
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#if defined(X86) && !defined(ZERO) |
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#include "rdtsc_x86.hpp" |
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#endif |
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#include OS_HEADER_INLINE(os) |
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bool JfrTime::_ft_enabled = false; |
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bool JfrTime::initialize() { |
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static bool initialized = false; |
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if (!initialized) { |
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78d9ffb8146f
8203287: Zero fails to build after JDK-8199712 (Flight Recorder)
sgehwolf
parents:
50113
diff
changeset
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#if defined(X86) && !defined(ZERO) |
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_ft_enabled = Rdtsc::initialize(); |
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#else |
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_ft_enabled = false; |
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#endif |
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initialized = true; |
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} |
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return initialized; |
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} |
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bool JfrTime::is_ft_supported() { |
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50174
78d9ffb8146f
8203287: Zero fails to build after JDK-8199712 (Flight Recorder)
sgehwolf
parents:
50113
diff
changeset
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#if defined(X86) && !defined(ZERO) |
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return Rdtsc::is_supported(); |
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#else |
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return false; |
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#endif |
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} |
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const void* JfrTime::time_function() { |
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50174
78d9ffb8146f
8203287: Zero fails to build after JDK-8199712 (Flight Recorder)
sgehwolf
parents:
50113
diff
changeset
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#if defined(X86) && !defined(ZERO) |
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return _ft_enabled ? (const void*)Rdtsc::elapsed_counter : (const void*)os::elapsed_counter; |
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#else |
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return (const void*)os::elapsed_counter; |
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#endif |
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} |
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jlong JfrTime::frequency() { |
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50174
78d9ffb8146f
8203287: Zero fails to build after JDK-8199712 (Flight Recorder)
sgehwolf
parents:
50113
diff
changeset
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#if defined(X86) && !defined(ZERO) |
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return _ft_enabled ? Rdtsc::frequency() : os::elapsed_frequency(); |
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#else |
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return os::elapsed_frequency(); |
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#endif |
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} |
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