8231210: [BACKOUT] JDK-8207266 ThreadMXBean::getThreadAllocatedBytes() can be quicker for self thread
Reviewed-by: phh, dholmes
/*
* Copyright (c) 2003, 2019, 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.
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#ifndef SHARE_SERVICES_RUNTIMESERVICE_HPP
#define SHARE_SERVICES_RUNTIMESERVICE_HPP
#include "runtime/perfData.hpp"
#include "runtime/timer.hpp"
class RuntimeService : public AllStatic {
private:
static PerfCounter* _sync_time_ticks; // Accumulated time spent getting to safepoints
static PerfCounter* _total_safepoints;
static PerfCounter* _safepoint_time_ticks; // Accumulated time at safepoints
static PerfCounter* _application_time_ticks; // Accumulated time not at safepoints
public:
static void init();
static jlong safepoint_sync_time_ms();
static jlong safepoint_count();
static jlong safepoint_time_ms();
static jlong application_time_ms();
// callbacks
static void record_safepoint_begin(jlong app_ticks) NOT_MANAGEMENT_RETURN;
static void record_safepoint_synchronized(jlong sync_ticks) NOT_MANAGEMENT_RETURN;
static void record_safepoint_end(jlong safepoint_ticks) NOT_MANAGEMENT_RETURN;
};
#endif // SHARE_SERVICES_RUNTIMESERVICE_HPP