Mercurial > hg > truffle
annotate src/share/vm/services/jmm.h @ 4752:8a63c6323842
7125594: C-heap growth issue in ThreadService::find_deadlocks_at_safepoint
Reviewed-by: sspitsyn, dcubed, mchung, dholmes
author | fparain |
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date | Thu, 05 Jan 2012 07:26:44 -0800 |
parents | 3b688d6ff3d0 |
children | 31a4e55f8c9d |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2011, 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 | |
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7 * published by the Free Software Foundation. Oracle designates this |
0 | 8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
0 | 10 * |
11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 * version 2 for more details (a copy is included in the LICENSE file that | |
15 * accompanied this code). | |
16 * | |
17 * You should have received a copy of the GNU General Public License version | |
18 * 2 along with this work; if not, write to the Free Software Foundation, | |
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
20 * | |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
0 | 24 */ |
25 | |
26 #ifndef _JAVA_JMM_H_ | |
27 #define _JAVA_JMM_H_ | |
28 | |
29 /* | |
30 * This is a private interface used by JDK for JVM monitoring | |
31 * and management. | |
32 * | |
33 * Bump the version number when either of the following happens: | |
34 * | |
35 * 1. There is a change in functions in JmmInterface. | |
36 * | |
37 * 2. There is a change in the contract between VM and Java classes. | |
38 */ | |
39 | |
40 #include "jni.h" | |
41 | |
42 #ifdef __cplusplus | |
43 extern "C" { | |
44 #endif | |
45 | |
46 enum { | |
47 JMM_VERSION_1 = 0x20010000, | |
48 JMM_VERSION_1_0 = 0x20010000, | |
49 JMM_VERSION_1_1 = 0x20010100, // JDK 6 | |
50 JMM_VERSION_1_2 = 0x20010200, // JDK 7 | |
4133 | 51 JMM_VERSION_1_2_1 = 0x20010201, // JDK 7 GA |
52 JMM_VERSION = 0x20010202 | |
0 | 53 }; |
54 | |
55 typedef struct { | |
56 unsigned int isLowMemoryDetectionSupported : 1; | |
57 unsigned int isCompilationTimeMonitoringSupported : 1; | |
58 unsigned int isThreadContentionMonitoringSupported : 1; | |
59 unsigned int isCurrentThreadCpuTimeSupported : 1; | |
60 unsigned int isOtherThreadCpuTimeSupported : 1; | |
61 unsigned int isBootClassPathSupported : 1; | |
62 unsigned int isObjectMonitorUsageSupported : 1; | |
63 unsigned int isSynchronizerUsageSupported : 1; | |
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64 unsigned int isThreadAllocatedMemorySupported : 1; |
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65 unsigned int : 23; |
0 | 66 } jmmOptionalSupport; |
67 | |
68 typedef enum { | |
69 JMM_CLASS_LOADED_COUNT = 1, /* Total number of loaded classes */ | |
70 JMM_CLASS_UNLOADED_COUNT = 2, /* Total number of unloaded classes */ | |
71 JMM_THREAD_TOTAL_COUNT = 3, /* Total number of threads that have been started */ | |
72 JMM_THREAD_LIVE_COUNT = 4, /* Current number of live threads */ | |
73 JMM_THREAD_PEAK_COUNT = 5, /* Peak number of live threads */ | |
74 JMM_THREAD_DAEMON_COUNT = 6, /* Current number of daemon threads */ | |
75 JMM_JVM_INIT_DONE_TIME_MS = 7, /* Time when the JVM finished initialization */ | |
76 JMM_COMPILE_TOTAL_TIME_MS = 8, /* Total accumulated time spent in compilation */ | |
77 JMM_GC_TIME_MS = 9, /* Total accumulated time spent in collection */ | |
78 JMM_GC_COUNT = 10, /* Total number of collections */ | |
79 | |
80 JMM_INTERNAL_ATTRIBUTE_INDEX = 100, | |
81 JMM_CLASS_LOADED_BYTES = 101, /* Number of bytes loaded instance classes */ | |
82 JMM_CLASS_UNLOADED_BYTES = 102, /* Number of bytes unloaded instance classes */ | |
83 JMM_TOTAL_CLASSLOAD_TIME_MS = 103, /* Accumulated VM class loader time (TraceClassLoadingTime) */ | |
84 JMM_VM_GLOBAL_COUNT = 104, /* Number of VM internal flags */ | |
85 JMM_SAFEPOINT_COUNT = 105, /* Total number of safepoints */ | |
86 JMM_TOTAL_SAFEPOINTSYNC_TIME_MS = 106, /* Accumulated time spent getting to safepoints */ | |
87 JMM_TOTAL_STOPPED_TIME_MS = 107, /* Accumulated time spent at safepoints */ | |
88 JMM_TOTAL_APP_TIME_MS = 108, /* Accumulated time spent in Java application */ | |
89 JMM_VM_THREAD_COUNT = 109, /* Current number of VM internal threads */ | |
90 JMM_CLASS_INIT_TOTAL_COUNT = 110, /* Number of classes for which initializers were run */ | |
91 JMM_CLASS_INIT_TOTAL_TIME_MS = 111, /* Accumulated time spent in class initializers */ | |
92 JMM_METHOD_DATA_SIZE_BYTES = 112, /* Size of method data in memory */ | |
93 JMM_CLASS_VERIFY_TOTAL_TIME_MS = 113, /* Accumulated time spent in class verifier */ | |
94 JMM_SHARED_CLASS_LOADED_COUNT = 114, /* Number of shared classes loaded */ | |
95 JMM_SHARED_CLASS_UNLOADED_COUNT = 115, /* Number of shared classes unloaded */ | |
96 JMM_SHARED_CLASS_LOADED_BYTES = 116, /* Number of bytes loaded shared classes */ | |
97 JMM_SHARED_CLASS_UNLOADED_BYTES = 117, /* Number of bytes unloaded shared classes */ | |
98 | |
99 JMM_OS_ATTRIBUTE_INDEX = 200, | |
100 JMM_OS_PROCESS_ID = 201, /* Process id of the JVM */ | |
101 JMM_OS_MEM_TOTAL_PHYSICAL_BYTES = 202, /* Physical memory size */ | |
102 | |
103 JMM_GC_EXT_ATTRIBUTE_INFO_SIZE = 401 /* the size of the GC specific attributes for a given GC memory manager */ | |
104 } jmmLongAttribute; | |
105 | |
106 typedef enum { | |
107 JMM_VERBOSE_GC = 21, | |
108 JMM_VERBOSE_CLASS = 22, | |
109 JMM_THREAD_CONTENTION_MONITORING = 23, | |
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110 JMM_THREAD_CPU_TIME = 24, |
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111 JMM_THREAD_ALLOCATED_MEMORY = 25 |
0 | 112 } jmmBoolAttribute; |
113 | |
114 | |
115 enum { | |
116 JMM_THREAD_STATE_FLAG_SUSPENDED = 0x00100000, | |
117 JMM_THREAD_STATE_FLAG_NATIVE = 0x00400000 | |
118 }; | |
119 | |
120 #define JMM_THREAD_STATE_FLAG_MASK 0xFFF00000 | |
121 | |
122 typedef enum { | |
123 JMM_STAT_PEAK_THREAD_COUNT = 801, | |
124 JMM_STAT_THREAD_CONTENTION_COUNT = 802, | |
125 JMM_STAT_THREAD_CONTENTION_TIME = 803, | |
126 JMM_STAT_THREAD_CONTENTION_STAT = 804, | |
127 JMM_STAT_PEAK_POOL_USAGE = 805, | |
128 JMM_STAT_GC_STAT = 806 | |
129 } jmmStatisticType; | |
130 | |
131 typedef enum { | |
132 JMM_USAGE_THRESHOLD_HIGH = 901, | |
133 JMM_USAGE_THRESHOLD_LOW = 902, | |
134 JMM_COLLECTION_USAGE_THRESHOLD_HIGH = 903, | |
135 JMM_COLLECTION_USAGE_THRESHOLD_LOW = 904 | |
136 } jmmThresholdType; | |
137 | |
138 /* Should match what is allowed in globals.hpp */ | |
139 typedef enum { | |
140 JMM_VMGLOBAL_TYPE_UNKNOWN = 0, | |
141 JMM_VMGLOBAL_TYPE_JBOOLEAN = 1, | |
142 JMM_VMGLOBAL_TYPE_JSTRING = 2, | |
143 JMM_VMGLOBAL_TYPE_JLONG = 3 | |
144 } jmmVMGlobalType; | |
145 | |
146 typedef enum { | |
147 JMM_VMGLOBAL_ORIGIN_DEFAULT = 1, /* Default value */ | |
148 JMM_VMGLOBAL_ORIGIN_COMMAND_LINE = 2, /* Set at command line (or JNI invocation) */ | |
149 JMM_VMGLOBAL_ORIGIN_MANAGEMENT = 3, /* Set via management interface */ | |
150 JMM_VMGLOBAL_ORIGIN_ENVIRON_VAR = 4, /* Set via environment variables */ | |
151 JMM_VMGLOBAL_ORIGIN_CONFIG_FILE = 5, /* Set via config file (such as .hotspotrc) */ | |
152 JMM_VMGLOBAL_ORIGIN_ERGONOMIC = 6, /* Set via ergonomic */ | |
153 JMM_VMGLOBAL_ORIGIN_OTHER = 99 /* Set via some other mechanism */ | |
154 } jmmVMGlobalOrigin; | |
155 | |
156 typedef struct { | |
157 jstring name; | |
158 jvalue value; | |
159 jmmVMGlobalType type; /* Data type */ | |
160 jmmVMGlobalOrigin origin; /* Default or non-default value */ | |
161 unsigned int writeable : 1; /* dynamically writeable */ | |
162 unsigned int external : 1; /* external supported interface */ | |
163 unsigned int reserved : 30; | |
164 void *reserved1; | |
165 void *reserved2; | |
166 } jmmVMGlobal; | |
167 | |
168 typedef struct { | |
169 const char* name; | |
170 char type; | |
171 const char* description; | |
172 } jmmExtAttributeInfo; | |
173 | |
174 /* Caller has to set the following fields before calling GetLastGCStat | |
175 * o usage_before_gc - array of MemoryUsage objects | |
176 * o usage_after_gc - array of MemoryUsage objects | |
177 * o gc_ext_attribute_values_size - size of gc_ext_atttribute_values array | |
178 * o gc_ext_attribtue_values - array of jvalues | |
179 */ | |
180 typedef struct { | |
181 jlong gc_index; /* Index of the collections */ | |
182 jlong start_time; /* Start time of the GC */ | |
183 jlong end_time; /* End time of the GC */ | |
184 jobjectArray usage_before_gc; /* Memory usage array before GC */ | |
185 jobjectArray usage_after_gc; /* Memory usage array after GC */ | |
186 jint gc_ext_attribute_values_size; /* set by the caller of GetGCStat */ | |
187 jvalue* gc_ext_attribute_values; /* Array of jvalue for GC extension attributes */ | |
188 jint num_gc_ext_attributes; /* number of GC extension attribute values s are filled */ | |
189 /* -1 indicates gc_ext_attribute_values is not big enough */ | |
190 } jmmGCStat; | |
191 | |
4133 | 192 typedef struct { |
193 const char* name; | |
194 const char* description; | |
195 const char* impact; | |
196 int num_arguments; | |
197 jboolean enabled; | |
198 } dcmdInfo; | |
199 | |
200 typedef struct { | |
201 const char* name; | |
202 const char* description; | |
203 const char* type; | |
204 const char* default_string; | |
205 jboolean mandatory; | |
206 jboolean option; | |
207 int position; | |
208 } dcmdArgInfo; | |
209 | |
0 | 210 typedef struct jmmInterface_1_ { |
211 void* reserved1; | |
212 void* reserved2; | |
213 | |
214 jint (JNICALL *GetVersion) (JNIEnv *env); | |
215 | |
216 jint (JNICALL *GetOptionalSupport) (JNIEnv *env, | |
217 jmmOptionalSupport* support_ptr); | |
218 | |
219 /* This is used by JDK 6 and earlier. | |
220 * For JDK 7 and after, use GetInputArgumentArray. | |
221 */ | |
222 jobject (JNICALL *GetInputArguments) (JNIEnv *env); | |
223 | |
224 jint (JNICALL *GetThreadInfo) (JNIEnv *env, | |
225 jlongArray ids, | |
226 jint maxDepth, | |
227 jobjectArray infoArray); | |
228 jobjectArray (JNICALL *GetInputArgumentArray) (JNIEnv *env); | |
229 | |
230 jobjectArray (JNICALL *GetMemoryPools) (JNIEnv* env, jobject mgr); | |
231 | |
232 jobjectArray (JNICALL *GetMemoryManagers) (JNIEnv* env, jobject pool); | |
233 | |
234 jobject (JNICALL *GetMemoryPoolUsage) (JNIEnv* env, jobject pool); | |
235 jobject (JNICALL *GetPeakMemoryPoolUsage) (JNIEnv* env, jobject pool); | |
236 | |
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237 void (JNICALL *GetThreadAllocatedMemory) |
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238 (JNIEnv *env, |
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239 jlongArray ids, |
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240 jlongArray sizeArray); |
0 | 241 |
242 jobject (JNICALL *GetMemoryUsage) (JNIEnv* env, jboolean heap); | |
243 | |
244 jlong (JNICALL *GetLongAttribute) (JNIEnv *env, jobject obj, jmmLongAttribute att); | |
245 jboolean (JNICALL *GetBoolAttribute) (JNIEnv *env, jmmBoolAttribute att); | |
246 jboolean (JNICALL *SetBoolAttribute) (JNIEnv *env, jmmBoolAttribute att, jboolean flag); | |
247 | |
248 jint (JNICALL *GetLongAttributes) (JNIEnv *env, | |
249 jobject obj, | |
250 jmmLongAttribute* atts, | |
251 jint count, | |
252 jlong* result); | |
253 | |
254 jobjectArray (JNICALL *FindCircularBlockedThreads) (JNIEnv *env); | |
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255 |
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256 // Not used in JDK 6 or JDK 7 |
0 | 257 jlong (JNICALL *GetThreadCpuTime) (JNIEnv *env, jlong thread_id); |
258 | |
259 jobjectArray (JNICALL *GetVMGlobalNames) (JNIEnv *env); | |
260 jint (JNICALL *GetVMGlobals) (JNIEnv *env, | |
261 jobjectArray names, | |
262 jmmVMGlobal *globals, | |
263 jint count); | |
264 | |
265 jint (JNICALL *GetInternalThreadTimes) (JNIEnv *env, | |
266 jobjectArray names, | |
267 jlongArray times); | |
268 | |
269 jboolean (JNICALL *ResetStatistic) (JNIEnv *env, | |
270 jvalue obj, | |
271 jmmStatisticType type); | |
272 | |
273 void (JNICALL *SetPoolSensor) (JNIEnv *env, | |
274 jobject pool, | |
275 jmmThresholdType type, | |
276 jobject sensor); | |
277 | |
278 jlong (JNICALL *SetPoolThreshold) (JNIEnv *env, | |
279 jobject pool, | |
280 jmmThresholdType type, | |
281 jlong threshold); | |
282 jobject (JNICALL *GetPoolCollectionUsage) (JNIEnv* env, jobject pool); | |
283 | |
284 jint (JNICALL *GetGCExtAttributeInfo) (JNIEnv *env, | |
285 jobject mgr, | |
286 jmmExtAttributeInfo *ext_info, | |
287 jint count); | |
288 void (JNICALL *GetLastGCStat) (JNIEnv *env, | |
289 jobject mgr, | |
290 jmmGCStat *gc_stat); | |
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291 |
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292 jlong (JNICALL *GetThreadCpuTimeWithKind) |
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293 (JNIEnv *env, |
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294 jlong thread_id, |
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295 jboolean user_sys_cpu_time); |
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296 void (JNICALL *GetThreadCpuTimesWithKind) |
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297 (JNIEnv *env, |
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298 jlongArray ids, |
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299 jlongArray timeArray, |
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300 jboolean user_sys_cpu_time); |
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301 |
0 | 302 jint (JNICALL *DumpHeap0) (JNIEnv *env, |
303 jstring outputfile, | |
304 jboolean live); | |
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305 jobjectArray (JNICALL *FindDeadlocks) (JNIEnv *env, |
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306 jboolean object_monitors_only); |
0 | 307 void (JNICALL *SetVMGlobal) (JNIEnv *env, |
308 jstring flag_name, | |
309 jvalue new_value); | |
310 void* reserved6; | |
311 jobjectArray (JNICALL *DumpThreads) (JNIEnv *env, | |
312 jlongArray ids, | |
313 jboolean lockedMonitors, | |
314 jboolean lockedSynchronizers); | |
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315 void (JNICALL *SetGCNotificationEnabled) (JNIEnv *env, |
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316 jobject mgr, |
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317 jboolean enabled); |
4133 | 318 jobjectArray (JNICALL *GetDiagnosticCommands) (JNIEnv *env); |
319 void (JNICALL *GetDiagnosticCommandInfo) | |
320 (JNIEnv *env, | |
321 jobjectArray cmds, | |
322 dcmdInfo *infoArray); | |
323 void (JNICALL *GetDiagnosticCommandArgumentsInfo) | |
324 (JNIEnv *env, | |
325 jstring commandName, | |
326 dcmdArgInfo *infoArray); | |
327 jstring (JNICALL *ExecuteDiagnosticCommand) | |
328 (JNIEnv *env, | |
329 jstring command); | |
0 | 330 } JmmInterface; |
331 | |
332 #ifdef __cplusplus | |
333 } /* extern "C" */ | |
334 #endif /* __cplusplus */ | |
335 | |
336 #endif /* !_JAVA_JMM_H_ */ |