Mercurial > hg > truffle
annotate src/share/vm/services/runtimeService.cpp @ 5334:ecc2b68344de
turn off priority compilation queue
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Wed, 02 May 2012 12:59:59 +0200 |
parents | 436b4a3231bf |
children | fb19af007ffc |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "classfile/classLoader.hpp" | |
27 #include "services/attachListener.hpp" | |
28 #include "services/management.hpp" | |
29 #include "services/runtimeService.hpp" | |
30 #include "utilities/dtrace.hpp" | |
31 #include "utilities/exceptions.hpp" | |
0 | 32 |
4006 | 33 #ifndef USDT2 |
0 | 34 HS_DTRACE_PROBE_DECL(hs_private, safepoint__begin); |
35 HS_DTRACE_PROBE_DECL(hs_private, safepoint__end); | |
4006 | 36 #endif /* !USDT2 */ |
0 | 37 |
38 TimeStamp RuntimeService::_app_timer; | |
39 TimeStamp RuntimeService::_safepoint_timer; | |
40 PerfCounter* RuntimeService::_sync_time_ticks = NULL; | |
41 PerfCounter* RuntimeService::_total_safepoints = NULL; | |
42 PerfCounter* RuntimeService::_safepoint_time_ticks = NULL; | |
43 PerfCounter* RuntimeService::_application_time_ticks = NULL; | |
44 PerfCounter* RuntimeService::_thread_interrupt_signaled_count = NULL; | |
45 PerfCounter* RuntimeService::_interrupted_before_count = NULL; | |
46 PerfCounter* RuntimeService::_interrupted_during_count = NULL; | |
47 | |
48 void RuntimeService::init() { | |
49 // Make sure the VM version is initialized | |
50 Abstract_VM_Version::initialize(); | |
51 | |
52 if (UsePerfData) { | |
53 EXCEPTION_MARK; | |
54 | |
55 _sync_time_ticks = | |
56 PerfDataManager::create_counter(SUN_RT, "safepointSyncTime", | |
57 PerfData::U_Ticks, CHECK); | |
58 | |
59 _total_safepoints = | |
60 PerfDataManager::create_counter(SUN_RT, "safepoints", | |
61 PerfData::U_Events, CHECK); | |
62 | |
63 _safepoint_time_ticks = | |
64 PerfDataManager::create_counter(SUN_RT, "safepointTime", | |
65 PerfData::U_Ticks, CHECK); | |
66 | |
67 _application_time_ticks = | |
68 PerfDataManager::create_counter(SUN_RT, "applicationTime", | |
69 PerfData::U_Ticks, CHECK); | |
70 | |
71 | |
72 // create performance counters for jvm_version and its capabilities | |
73 PerfDataManager::create_constant(SUN_RT, "jvmVersion", PerfData::U_None, | |
74 (jlong) Abstract_VM_Version::jvm_version(), CHECK); | |
75 | |
76 // I/O interruption related counters | |
77 | |
78 // thread signaling via os::interrupt() | |
79 | |
80 _thread_interrupt_signaled_count = | |
81 PerfDataManager::create_counter(SUN_RT, | |
82 "threadInterruptSignaled", PerfData::U_Events, CHECK); | |
83 | |
84 // OS_INTRPT via "check before" in _INTERRUPTIBLE | |
85 | |
86 _interrupted_before_count = | |
87 PerfDataManager::create_counter(SUN_RT, "interruptedBeforeIO", | |
88 PerfData::U_Events, CHECK); | |
89 | |
90 // OS_INTRPT via "check during" in _INTERRUPTIBLE | |
91 | |
92 _interrupted_during_count = | |
93 PerfDataManager::create_counter(SUN_RT, "interruptedDuringIO", | |
94 PerfData::U_Events, CHECK); | |
95 | |
96 // The capabilities counter is a binary representation of the VM capabilities in string. | |
97 // This string respresentation simplifies the implementation of the client side | |
98 // to parse the value. | |
99 char capabilities[65]; | |
100 size_t len = sizeof(capabilities); | |
101 memset((void*) capabilities, '0', len); | |
102 capabilities[len-1] = '\0'; | |
103 capabilities[0] = AttachListener::is_attach_supported() ? '1' : '0'; | |
104 #ifdef KERNEL | |
105 capabilities[1] = '1'; | |
106 #endif // KERNEL | |
107 PerfDataManager::create_string_constant(SUN_RT, "jvmCapabilities", | |
108 capabilities, CHECK); | |
109 } | |
110 } | |
111 | |
112 void RuntimeService::record_safepoint_begin() { | |
4006 | 113 #ifndef USDT2 |
0 | 114 HS_DTRACE_PROBE(hs_private, safepoint__begin); |
4006 | 115 #else /* USDT2 */ |
116 HS_PRIVATE_SAFEPOINT_BEGIN(); | |
117 #endif /* USDT2 */ | |
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118 |
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119 // Print the time interval in which the app was executing |
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120 if (PrintGCApplicationConcurrentTime) { |
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121 gclog_or_tty->print_cr("Application time: %3.7f seconds", |
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122 last_application_time_sec()); |
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123 } |
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124 |
0 | 125 // update the time stamp to begin recording safepoint time |
126 _safepoint_timer.update(); | |
127 if (UsePerfData) { | |
128 _total_safepoints->inc(); | |
129 if (_app_timer.is_updated()) { | |
130 _application_time_ticks->inc(_app_timer.ticks_since_update()); | |
131 } | |
132 } | |
133 } | |
134 | |
135 void RuntimeService::record_safepoint_synchronized() { | |
136 if (UsePerfData) { | |
137 _sync_time_ticks->inc(_safepoint_timer.ticks_since_update()); | |
138 } | |
139 } | |
140 | |
141 void RuntimeService::record_safepoint_end() { | |
4006 | 142 #ifndef USDT2 |
0 | 143 HS_DTRACE_PROBE(hs_private, safepoint__end); |
4006 | 144 #else /* USDT2 */ |
145 HS_PRIVATE_SAFEPOINT_END(); | |
146 #endif /* USDT2 */ | |
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147 |
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148 // Print the time interval for which the app was stopped |
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149 // during the current safepoint operation. |
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150 if (PrintGCApplicationStoppedTime) { |
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151 gclog_or_tty->print_cr("Total time for which application threads " |
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152 "were stopped: %3.7f seconds", |
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153 last_safepoint_time_sec()); |
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154 } |
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155 |
0 | 156 // update the time stamp to begin recording app time |
157 _app_timer.update(); | |
158 if (UsePerfData) { | |
159 _safepoint_time_ticks->inc(_safepoint_timer.ticks_since_update()); | |
160 } | |
161 } | |
162 | |
163 void RuntimeService::record_application_start() { | |
164 // update the time stamp to begin recording app time | |
165 _app_timer.update(); | |
166 } | |
167 | |
168 // Don't need to record application end because we currently | |
169 // exit at a safepoint and record_safepoint_begin() handles updating | |
170 // the application time counter at VM exit. | |
171 | |
172 jlong RuntimeService::safepoint_sync_time_ms() { | |
173 return UsePerfData ? | |
174 Management::ticks_to_ms(_sync_time_ticks->get_value()) : -1; | |
175 } | |
176 | |
177 jlong RuntimeService::safepoint_count() { | |
178 return UsePerfData ? | |
179 _total_safepoints->get_value() : -1; | |
180 } | |
181 jlong RuntimeService::safepoint_time_ms() { | |
182 return UsePerfData ? | |
183 Management::ticks_to_ms(_safepoint_time_ticks->get_value()) : -1; | |
184 } | |
185 | |
186 jlong RuntimeService::application_time_ms() { | |
187 return UsePerfData ? | |
188 Management::ticks_to_ms(_application_time_ticks->get_value()) : -1; | |
189 } | |
190 | |
191 void RuntimeService::record_interrupted_before_count() { | |
192 if (UsePerfData) { | |
193 _interrupted_before_count->inc(); | |
194 } | |
195 } | |
196 | |
197 void RuntimeService::record_interrupted_during_count() { | |
198 if (UsePerfData) { | |
199 _interrupted_during_count->inc(); | |
200 } | |
201 } | |
202 | |
203 void RuntimeService::record_thread_interrupt_signaled_count() { | |
204 if (UsePerfData) { | |
205 _thread_interrupt_signaled_count->inc(); | |
206 } | |
207 } |