• file
• revisions
• annotate
• diff
• comparison
• raw

src/share/vm/services/runtimeService.cpp@37f87013dfd8 (annotated)

src/share/vm/services/runtimeService.cpp

Thu, 05 Jun 2008 15:57:56 -0700

author

ysr

date

Thu, 05 Jun 2008 15:57:56 -0700

changeset 777

37f87013dfd8

parent 435

a61af66fc99e

child 1695

8859772195c6

permissions

-rw-r--r--

6711316: Open source the Garbage-First garbage collector
Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr

duke@435	1	/*
duke@435	2	* Copyright 2003-2006 Sun Microsystems, Inc. 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	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	# include "incls/_precompiled.incl"
duke@435	26	# include "incls/_runtimeService.cpp.incl"
duke@435	27
duke@435	28	HS_DTRACE_PROBE_DECL(hs_private, safepoint__begin);
duke@435	29	HS_DTRACE_PROBE_DECL(hs_private, safepoint__end);
duke@435	30
duke@435	31	TimeStamp RuntimeService::_app_timer;
duke@435	32	TimeStamp RuntimeService::_safepoint_timer;
duke@435	33	PerfCounter* RuntimeService::_sync_time_ticks = NULL;
duke@435	34	PerfCounter* RuntimeService::_total_safepoints = NULL;
duke@435	35	PerfCounter* RuntimeService::_safepoint_time_ticks = NULL;
duke@435	36	PerfCounter* RuntimeService::_application_time_ticks = NULL;
duke@435	37	PerfCounter* RuntimeService::_thread_interrupt_signaled_count = NULL;
duke@435	38	PerfCounter* RuntimeService::_interrupted_before_count = NULL;
duke@435	39	PerfCounter* RuntimeService::_interrupted_during_count = NULL;
duke@435	40
duke@435	41	void RuntimeService::init() {
duke@435	42	// Make sure the VM version is initialized
duke@435	43	Abstract_VM_Version::initialize();
duke@435	44
duke@435	45	if (UsePerfData) {
duke@435	46	EXCEPTION_MARK;
duke@435	47
duke@435	48	_sync_time_ticks =
duke@435	49	PerfDataManager::create_counter(SUN_RT, "safepointSyncTime",
duke@435	50	PerfData::U_Ticks, CHECK);
duke@435	51
duke@435	52	_total_safepoints =
duke@435	53	PerfDataManager::create_counter(SUN_RT, "safepoints",
duke@435	54	PerfData::U_Events, CHECK);
duke@435	55
duke@435	56	_safepoint_time_ticks =
duke@435	57	PerfDataManager::create_counter(SUN_RT, "safepointTime",
duke@435	58	PerfData::U_Ticks, CHECK);
duke@435	59
duke@435	60	_application_time_ticks =
duke@435	61	PerfDataManager::create_counter(SUN_RT, "applicationTime",
duke@435	62	PerfData::U_Ticks, CHECK);
duke@435	63
duke@435	64
duke@435	65	// create performance counters for jvm_version and its capabilities
duke@435	66	PerfDataManager::create_constant(SUN_RT, "jvmVersion", PerfData::U_None,
duke@435	67	(jlong) Abstract_VM_Version::jvm_version(), CHECK);
duke@435	68
duke@435	69	// I/O interruption related counters
duke@435	70
duke@435	71	// thread signaling via os::interrupt()
duke@435	72
duke@435	73	_thread_interrupt_signaled_count =
duke@435	74	PerfDataManager::create_counter(SUN_RT,
duke@435	75	"threadInterruptSignaled", PerfData::U_Events, CHECK);
duke@435	76
duke@435	77	// OS_INTRPT via "check before" in _INTERRUPTIBLE
duke@435	78
duke@435	79	_interrupted_before_count =
duke@435	80	PerfDataManager::create_counter(SUN_RT, "interruptedBeforeIO",
duke@435	81	PerfData::U_Events, CHECK);
duke@435	82
duke@435	83	// OS_INTRPT via "check during" in _INTERRUPTIBLE
duke@435	84
duke@435	85	_interrupted_during_count =
duke@435	86	PerfDataManager::create_counter(SUN_RT, "interruptedDuringIO",
duke@435	87	PerfData::U_Events, CHECK);
duke@435	88
duke@435	89	// The capabilities counter is a binary representation of the VM capabilities in string.
duke@435	90	// This string respresentation simplifies the implementation of the client side
duke@435	91	// to parse the value.
duke@435	92	char capabilities[65];
duke@435	93	size_t len = sizeof(capabilities);
duke@435	94	memset((void*) capabilities, '0', len);
duke@435	95	capabilities[len-1] = '\0';
duke@435	96	capabilities[0] = AttachListener::is_attach_supported() ? '1' : '0';
duke@435	97	#ifdef KERNEL
duke@435	98	capabilities[1] = '1';
duke@435	99	#endif // KERNEL
duke@435	100	PerfDataManager::create_string_constant(SUN_RT, "jvmCapabilities",
duke@435	101	capabilities, CHECK);
duke@435	102	}
duke@435	103	}
duke@435	104
duke@435	105	void RuntimeService::record_safepoint_begin() {
duke@435	106	HS_DTRACE_PROBE(hs_private, safepoint__begin);
duke@435	107	// update the time stamp to begin recording safepoint time
duke@435	108	_safepoint_timer.update();
duke@435	109	if (UsePerfData) {
duke@435	110	_total_safepoints->inc();
duke@435	111	if (_app_timer.is_updated()) {
duke@435	112	_application_time_ticks->inc(_app_timer.ticks_since_update());
duke@435	113	}
duke@435	114	}
duke@435	115	}
duke@435	116
duke@435	117	void RuntimeService::record_safepoint_synchronized() {
duke@435	118	if (UsePerfData) {
duke@435	119	_sync_time_ticks->inc(_safepoint_timer.ticks_since_update());
duke@435	120	}
duke@435	121	}
duke@435	122
duke@435	123	void RuntimeService::record_safepoint_end() {
duke@435	124	HS_DTRACE_PROBE(hs_private, safepoint__end);
duke@435	125	// update the time stamp to begin recording app time
duke@435	126	_app_timer.update();
duke@435	127	if (UsePerfData) {
duke@435	128	_safepoint_time_ticks->inc(_safepoint_timer.ticks_since_update());
duke@435	129	}
duke@435	130	}
duke@435	131
duke@435	132	void RuntimeService::record_application_start() {
duke@435	133	// update the time stamp to begin recording app time
duke@435	134	_app_timer.update();
duke@435	135	}
duke@435	136
duke@435	137	// Don't need to record application end because we currently
duke@435	138	// exit at a safepoint and record_safepoint_begin() handles updating
duke@435	139	// the application time counter at VM exit.
duke@435	140
duke@435	141	jlong RuntimeService::safepoint_sync_time_ms() {
duke@435	142	return UsePerfData ?
duke@435	143	Management::ticks_to_ms(_sync_time_ticks->get_value()) : -1;
duke@435	144	}
duke@435	145
duke@435	146	jlong RuntimeService::safepoint_count() {
duke@435	147	return UsePerfData ?
duke@435	148	_total_safepoints->get_value() : -1;
duke@435	149	}
duke@435	150	jlong RuntimeService::safepoint_time_ms() {
duke@435	151	return UsePerfData ?
duke@435	152	Management::ticks_to_ms(_safepoint_time_ticks->get_value()) : -1;
duke@435	153	}
duke@435	154
duke@435	155	jlong RuntimeService::application_time_ms() {
duke@435	156	return UsePerfData ?
duke@435	157	Management::ticks_to_ms(_application_time_ticks->get_value()) : -1;
duke@435	158	}
duke@435	159
duke@435	160	void RuntimeService::record_interrupted_before_count() {
duke@435	161	if (UsePerfData) {
duke@435	162	_interrupted_before_count->inc();
duke@435	163	}
duke@435	164	}
duke@435	165
duke@435	166	void RuntimeService::record_interrupted_during_count() {
duke@435	167	if (UsePerfData) {
duke@435	168	_interrupted_during_count->inc();
duke@435	169	}
duke@435	170	}
duke@435	171
duke@435	172	void RuntimeService::record_thread_interrupt_signaled_count() {
duke@435	173	if (UsePerfData) {
duke@435	174	_thread_interrupt_signaled_count->inc();
duke@435	175	}
duke@435	176	}