blob: e6025f06423739dee63d27a569e4057de2f33f51 [file] [log] [blame]
/*
* Copyright 1998 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
// Prints periodic memory usage trace of HotSpot VM
class MemProfilerTask;
class MemProfiler : AllStatic {
friend class MemProfilerTask;
private:
static MemProfilerTask* _task;
static FILE* _log_fp;
// Do trace (callback from MemProfilerTask and from disengage)
static void do_trace() PRODUCT_RETURN;
public:
// Start/stop the profiler
static void engage() PRODUCT_RETURN;
static void disengage() PRODUCT_RETURN;
// Tester
static bool is_active() PRODUCT_RETURN0;
};