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src/share/vm/services/runtimeService.hpp@17c778814856 (annotated)

src/share/vm/services/runtimeService.hpp

Fri, 14 Jan 2011 13:47:53 -0500

author

coleenp

date

Fri, 14 Jan 2011 13:47:53 -0500

changeset 2463

17c778814856

parent 2314

f95d63e2154a

child 4165

fb19af007ffc

permissions

-rw-r--r--

6811367: Fix code in HeapDumper::dump_heap() to avoid buffer overrun
Summary: Check buffer size before using and use dynamic buffer sizes for subsequent calls.
Reviewed-by: kamg, dholmes

duke@435	1	/*
stefank@2314	2	* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#ifndef SHARE_VM_SERVICES_RUNTIMESERVICE_HPP
stefank@2314	26	#define SHARE_VM_SERVICES_RUNTIMESERVICE_HPP
stefank@2314	27
stefank@2314	28	#include "runtime/perfData.hpp"
stefank@2314	29	#include "runtime/timer.hpp"
stefank@2314	30
duke@435	31	class RuntimeService : public AllStatic {
duke@435	32	private:
duke@435	33	static PerfCounter* _sync_time_ticks; // Accumulated time spent getting to safepoints
duke@435	34	static PerfCounter* _total_safepoints;
duke@435	35	static PerfCounter* _safepoint_time_ticks; // Accumulated time at safepoints
duke@435	36	static PerfCounter* _application_time_ticks; // Accumulated time not at safepoints
duke@435	37	static PerfCounter* _thread_interrupt_signaled_count;// os:interrupt thr_kill
duke@435	38	static PerfCounter* _interrupted_before_count; // _INTERRUPTIBLE OS_INTRPT
duke@435	39	static PerfCounter* _interrupted_during_count; // _INTERRUPTIBLE OS_INTRPT
duke@435	40
duke@435	41	static TimeStamp _safepoint_timer;
duke@435	42	static TimeStamp _app_timer;
duke@435	43
duke@435	44	public:
duke@435	45	static void init();
duke@435	46
duke@435	47	static jlong safepoint_sync_time_ms();
duke@435	48	static jlong safepoint_count();
duke@435	49	static jlong safepoint_time_ms();
duke@435	50	static jlong application_time_ms();
duke@435	51
duke@435	52	static double last_safepoint_time_sec() { return _safepoint_timer.seconds(); }
duke@435	53	static double last_application_time_sec() { return _app_timer.seconds(); }
duke@435	54
duke@435	55	// callbacks
duke@435	56	static void record_safepoint_begin();
duke@435	57	static void record_safepoint_synchronized();
duke@435	58	static void record_safepoint_end();
duke@435	59	static void record_application_start();
duke@435	60
duke@435	61	// interruption events
duke@435	62	static void record_interrupted_before_count();
duke@435	63	static void record_interrupted_during_count();
duke@435	64	static void record_thread_interrupt_signaled_count();
duke@435	65	};
stefank@2314	66
stefank@2314	67	#endif // SHARE_VM_SERVICES_RUNTIMESERVICE_HPP