Mercurial > hg > graal-jvmci-8
annotate src/share/vm/services/memTracker.hpp @ 7180:f34d701e952e
8003935: Simplify the needed includes for using Thread::current()
Reviewed-by: dholmes, rbackman, coleenp
| author | stefank |
|---|---|
| date | Tue, 27 Nov 2012 14:20:21 +0100 |
| parents | fb3190e77d3c |
| children | ecd24264898b |
| rev | line source |
|---|---|
| 6197 | 1 /* |
| 2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. | |
| 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 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #ifndef SHARE_VM_SERVICES_MEM_TRACKER_HPP | |
| 26 #define SHARE_VM_SERVICES_MEM_TRACKER_HPP | |
| 27 | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
28 #include "utilities/macros.hpp" |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
29 |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
30 #if !INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
31 |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
32 #include "utilities/ostream.hpp" |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
33 |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
34 class BaselineOutputer : public StackObj { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
35 |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
36 }; |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
37 |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
38 class BaselineTTYOutputer : public BaselineOutputer { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
39 public: |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
40 BaselineTTYOutputer(outputStream* st) { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
41 }; |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
42 |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
43 class MemTracker : AllStatic { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
44 public: |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
45 enum ShutdownReason { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
46 NMT_shutdown_none, // no shutdown requested |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
47 NMT_shutdown_user, // user requested shutdown |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
48 NMT_normal, // normal shutdown, process exit |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
49 NMT_out_of_memory, // shutdown due to out of memory |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
50 NMT_initialization, // shutdown due to initialization failure |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
51 NMT_use_malloc_only, // can not combine NMT with UseMallocOnly flag |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
52 NMT_error_reporting, // shutdown by vmError::report_and_die() |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
53 NMT_out_of_generation, // running out of generation queue |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
54 NMT_sequence_overflow // overflow the sequence number |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
55 }; |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
56 |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
57 |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
58 public: |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
59 static inline void init_tracking_options(const char* option_line) { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
60 static inline bool is_on() { return false; } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
61 static const char* reason() { return "Native memory tracking is not implemented"; } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
62 static inline bool can_walk_stack() { return false; } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
63 |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
64 static inline void bootstrap_single_thread() { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
65 static inline void bootstrap_multi_thread() { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
66 static inline void start() { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
67 |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
68 static inline void record_malloc(address addr, size_t size, MEMFLAGS flags, |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
69 address pc = 0, Thread* thread = NULL) { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
70 static inline void record_free(address addr, MEMFLAGS flags, Thread* thread = NULL) { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
71 static inline void record_realloc(address old_addr, address new_addr, size_t size, |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
72 MEMFLAGS flags, address pc = 0, Thread* thread = NULL) { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
73 static inline void record_arena_size(address addr, size_t size) { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
74 static inline void record_virtual_memory_reserve(address addr, size_t size, |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
75 address pc = 0, Thread* thread = NULL) { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
76 static inline void record_virtual_memory_commit(address addr, size_t size, |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
77 address pc = 0, Thread* thread = NULL) { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
78 static inline void record_virtual_memory_uncommit(address addr, size_t size, |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
79 Thread* thread = NULL) { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
80 static inline void record_virtual_memory_release(address addr, size_t size, |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
81 Thread* thread = NULL) { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
82 static inline void record_virtual_memory_type(address base, MEMFLAGS flags, |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
83 Thread* thread = NULL) { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
84 static inline bool baseline() { return false; } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
85 static inline bool has_baseline() { return false; } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
86 |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
87 static void shutdown(ShutdownReason reason) { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
88 static inline bool shutdown_in_progress() { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
89 static bool print_memory_usage(BaselineOutputer& out, size_t unit, |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
90 bool summary_only = true) { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
91 static bool compare_memory_usage(BaselineOutputer& out, size_t unit, |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
92 bool summary_only = true) { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
93 |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
94 static inline void sync() { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
95 static inline void thread_exiting(JavaThread* thread) { } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
96 |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
97 }; |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
98 |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
99 |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
100 #else // !INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
101 |
| 6197 | 102 #include "memory/allocation.hpp" |
| 103 #include "runtime/globals.hpp" | |
| 104 #include "runtime/mutex.hpp" | |
| 105 #include "runtime/os.hpp" | |
| 106 #include "runtime/thread.hpp" | |
| 107 #include "services/memPtr.hpp" | |
| 108 #include "services/memRecorder.hpp" | |
| 109 #include "services/memSnapshot.hpp" | |
| 110 #include "services/memTrackWorker.hpp" | |
| 111 | |
|
6882
716c64bda5ba
7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents:
6854
diff
changeset
|
112 extern bool NMT_track_callsite; |
|
716c64bda5ba
7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents:
6854
diff
changeset
|
113 |
|
716c64bda5ba
7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents:
6854
diff
changeset
|
114 #ifdef ASSERT |
|
716c64bda5ba
7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents:
6854
diff
changeset
|
115 #define DEBUG_CALLER_PC (NMT_track_callsite ? os::get_caller_pc(2) : 0) |
| 6197 | 116 #else |
| 117 #define DEBUG_CALLER_PC 0 | |
| 118 #endif | |
| 119 | |
| 120 // The thread closure walks threads to collect per-thread | |
| 121 // memory recorders at NMT sync point | |
| 122 class SyncThreadRecorderClosure : public ThreadClosure { | |
| 123 private: | |
| 124 int _thread_count; | |
| 125 | |
| 126 public: | |
| 127 SyncThreadRecorderClosure() { | |
| 128 _thread_count =0; | |
| 129 } | |
| 130 | |
| 131 void do_thread(Thread* thread); | |
| 132 int get_thread_count() const { | |
| 133 return _thread_count; | |
| 134 } | |
| 135 }; | |
| 136 | |
| 137 class BaselineOutputer; | |
| 138 class MemSnapshot; | |
| 139 class MemTrackWorker; | |
| 140 class Thread; | |
| 141 /* | |
| 142 * MemTracker is the 'gate' class to native memory tracking runtime. | |
| 143 */ | |
| 144 class MemTracker : AllStatic { | |
| 145 friend class MemTrackWorker; | |
| 146 friend class MemSnapshot; | |
| 147 friend class SyncThreadRecorderClosure; | |
| 148 | |
| 149 // NMT state | |
| 150 enum NMTStates { | |
| 151 NMT_uninited, // not yet initialized | |
| 152 NMT_bootstrapping_single_thread, // bootstrapping, VM is in single thread mode | |
| 153 NMT_bootstrapping_multi_thread, // bootstrapping, VM is about to enter multi-thread mode | |
| 154 NMT_started, // NMT fully started | |
| 155 NMT_shutdown_pending, // shutdown pending | |
| 156 NMT_final_shutdown, // in final phase of shutdown | |
| 157 NMT_shutdown // shutdown | |
| 158 }; | |
| 159 | |
|
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6768
diff
changeset
|
160 public: |
| 6197 | 161 // native memory tracking level |
| 162 enum NMTLevel { | |
| 163 NMT_off, // native memory tracking is off | |
| 164 NMT_summary, // don't track callsite | |
| 165 NMT_detail // track callsite also | |
| 166 }; | |
| 167 | |
| 168 enum ShutdownReason { | |
| 169 NMT_shutdown_none, // no shutdown requested | |
| 170 NMT_shutdown_user, // user requested shutdown | |
| 171 NMT_normal, // normal shutdown, process exit | |
| 172 NMT_out_of_memory, // shutdown due to out of memory | |
| 173 NMT_initialization, // shutdown due to initialization failure | |
| 174 NMT_use_malloc_only, // can not combine NMT with UseMallocOnly flag | |
| 175 NMT_error_reporting, // shutdown by vmError::report_and_die() | |
| 176 NMT_out_of_generation, // running out of generation queue | |
| 177 NMT_sequence_overflow // overflow the sequence number | |
| 178 }; | |
| 179 | |
| 180 public: | |
| 181 // initialize NMT tracking level from command line options, called | |
| 182 // from VM command line parsing code | |
| 183 static void init_tracking_options(const char* option_line); | |
| 184 | |
| 185 // if NMT is enabled to record memory activities | |
| 186 static inline bool is_on() { | |
| 187 return (_tracking_level >= NMT_summary && | |
| 188 _state >= NMT_bootstrapping_single_thread); | |
| 189 } | |
| 190 | |
|
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6768
diff
changeset
|
191 static inline enum NMTLevel tracking_level() { |
|
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6768
diff
changeset
|
192 return _tracking_level; |
|
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6768
diff
changeset
|
193 } |
|
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6768
diff
changeset
|
194 |
| 6197 | 195 // user readable reason for shutting down NMT |
| 196 static const char* reason() { | |
| 197 switch(_reason) { | |
| 198 case NMT_shutdown_none: | |
| 199 return "Native memory tracking is not enabled"; | |
| 200 case NMT_shutdown_user: | |
| 201 return "Native memory tracking has been shutdown by user"; | |
| 202 case NMT_normal: | |
| 203 return "Native memory tracking has been shutdown due to process exiting"; | |
|
6232
f1f45dddb0bd
7181986: NMT ON: Assertion failure when running jdi ExpiredRequestDeletionTest
zgu
parents:
6197
diff
changeset
|
204 case NMT_out_of_memory: |
|
f1f45dddb0bd
7181986: NMT ON: Assertion failure when running jdi ExpiredRequestDeletionTest
zgu
parents:
6197
diff
changeset
|
205 return "Native memory tracking has been shutdown due to out of native memory"; |
| 6197 | 206 case NMT_initialization: |
| 207 return "Native memory tracking failed to initialize"; | |
| 208 case NMT_error_reporting: | |
| 209 return "Native memory tracking has been shutdown due to error reporting"; | |
| 210 case NMT_out_of_generation: | |
| 211 return "Native memory tracking has been shutdown due to running out of generation buffer"; | |
| 212 case NMT_sequence_overflow: | |
| 213 return "Native memory tracking has been shutdown due to overflow the sequence number"; | |
| 214 case NMT_use_malloc_only: | |
| 215 return "Native memory tracking is not supported when UseMallocOnly is on"; | |
| 216 default: | |
| 217 ShouldNotReachHere(); | |
| 218 return NULL; | |
| 219 } | |
| 220 } | |
| 221 | |
| 222 // test if we can walk native stack | |
| 223 static bool can_walk_stack() { | |
| 224 // native stack is not walkable during bootstrapping on sparc | |
| 225 #if defined(SPARC) | |
| 226 return (_state == NMT_started); | |
| 227 #else | |
| 228 return (_state >= NMT_bootstrapping_single_thread && _state <= NMT_started); | |
| 229 #endif | |
| 230 } | |
| 231 | |
| 232 // if native memory tracking tracks callsite | |
| 233 static inline bool track_callsite() { return _tracking_level == NMT_detail; } | |
| 234 | |
| 235 // shutdown native memory tracking capability. Native memory tracking | |
| 236 // can be shutdown by VM when it encounters low memory scenarios. | |
| 237 // Memory tracker should gracefully shutdown itself, and preserve the | |
| 238 // latest memory statistics for post morten diagnosis. | |
| 239 static void shutdown(ShutdownReason reason); | |
| 240 | |
| 241 // if there is shutdown requested | |
| 242 static inline bool shutdown_in_progress() { | |
| 243 return (_state >= NMT_shutdown_pending); | |
| 244 } | |
| 245 | |
| 246 // bootstrap native memory tracking, so it can start to collect raw data | |
| 247 // before worker thread can start | |
| 248 | |
| 249 // the first phase of bootstrapping, when VM still in single-threaded mode | |
| 250 static void bootstrap_single_thread(); | |
| 251 // the second phase of bootstrapping, VM is about or already in multi-threaded mode | |
| 252 static void bootstrap_multi_thread(); | |
| 253 | |
| 254 | |
| 255 // start() has to be called when VM still in single thread mode, but after | |
| 256 // command line option parsing is done. | |
| 257 static void start(); | |
| 258 | |
| 259 // record a 'malloc' call | |
| 260 static inline void record_malloc(address addr, size_t size, MEMFLAGS flags, | |
| 261 address pc = 0, Thread* thread = NULL) { | |
|
6882
716c64bda5ba
7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents:
6854
diff
changeset
|
262 if (is_on() && NMT_CAN_TRACK(flags)) { |
|
6768
716e6ef4482a
7190089: NMT ON: NMT failed assertion on thread's stack base address
zgu
parents:
6741
diff
changeset
|
263 assert(size > 0, "Sanity check"); |
| 6197 | 264 create_memory_record(addr, (flags|MemPointerRecord::malloc_tag()), size, pc, thread); |
| 265 } | |
| 266 } | |
| 267 // record a 'free' call | |
| 268 static inline void record_free(address addr, MEMFLAGS flags, Thread* thread = NULL) { | |
| 269 if (is_on() && NMT_CAN_TRACK(flags)) { | |
| 270 create_memory_record(addr, MemPointerRecord::free_tag(), 0, 0, thread); | |
| 271 } | |
| 272 } | |
| 273 // record a 'realloc' call | |
| 274 static inline void record_realloc(address old_addr, address new_addr, size_t size, | |
| 275 MEMFLAGS flags, address pc = 0, Thread* thread = NULL) { | |
|
6882
716c64bda5ba
7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents:
6854
diff
changeset
|
276 if (is_on() && NMT_CAN_TRACK(flags)) { |
|
6768
716e6ef4482a
7190089: NMT ON: NMT failed assertion on thread's stack base address
zgu
parents:
6741
diff
changeset
|
277 assert(size > 0, "Sanity check"); |
| 6197 | 278 record_free(old_addr, flags, thread); |
| 279 record_malloc(new_addr, size, flags, pc, thread); | |
| 280 } | |
| 281 } | |
| 282 | |
|
6979
fb3190e77d3c
8001592: NMT: assertion failed: assert(_amount >= amt) failed: Just check: memBaseline.hpp:180
zgu
parents:
6882
diff
changeset
|
283 // record arena memory size |
| 6197 | 284 static inline void record_arena_size(address addr, size_t size) { |
|
6979
fb3190e77d3c
8001592: NMT: assertion failed: assert(_amount >= amt) failed: Just check: memBaseline.hpp:180
zgu
parents:
6882
diff
changeset
|
285 // we add a positive offset to arena address, so we can have arena memory record |
| 6197 | 286 // sorted after arena record |
| 287 if (is_on() && !UseMallocOnly) { | |
|
6768
716e6ef4482a
7190089: NMT ON: NMT failed assertion on thread's stack base address
zgu
parents:
6741
diff
changeset
|
288 assert(addr != NULL, "Sanity check"); |
| 6197 | 289 create_memory_record((addr + sizeof(void*)), MemPointerRecord::arena_size_tag(), size, |
|
6979
fb3190e77d3c
8001592: NMT: assertion failed: assert(_amount >= amt) failed: Just check: memBaseline.hpp:180
zgu
parents:
6882
diff
changeset
|
290 DEBUG_CALLER_PC, NULL); |
| 6197 | 291 } |
| 292 } | |
| 293 | |
| 294 // record a virtual memory 'reserve' call | |
| 295 static inline void record_virtual_memory_reserve(address addr, size_t size, | |
| 296 address pc = 0, Thread* thread = NULL) { | |
| 297 if (is_on()) { | |
|
6768
716e6ef4482a
7190089: NMT ON: NMT failed assertion on thread's stack base address
zgu
parents:
6741
diff
changeset
|
298 assert(size > 0, "Sanity check"); |
| 6197 | 299 create_memory_record(addr, MemPointerRecord::virtual_memory_reserve_tag(), |
| 300 size, pc, thread); | |
| 301 } | |
| 302 } | |
| 303 | |
|
6741
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
304 static inline void record_thread_stack(address addr, size_t size, Thread* thr, |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
305 address pc = 0) { |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
306 if (is_on()) { |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
307 assert(size > 0 && thr != NULL, "Sanity check"); |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
308 create_memory_record(addr, MemPointerRecord::virtual_memory_reserve_tag() | mtThreadStack, |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
309 size, pc, thr); |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
310 create_memory_record(addr, MemPointerRecord::virtual_memory_commit_tag() | mtThreadStack, |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
311 size, pc, thr); |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
312 } |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
313 } |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
314 |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
315 static inline void release_thread_stack(address addr, size_t size, Thread* thr) { |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
316 if (is_on()) { |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
317 assert(size > 0 && thr != NULL, "Sanity check"); |
|
6882
716c64bda5ba
7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents:
6854
diff
changeset
|
318 assert(!thr->is_Java_thread(), "too early"); |
|
6741
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
319 create_memory_record(addr, MemPointerRecord::virtual_memory_uncommit_tag() | mtThreadStack, |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
320 size, DEBUG_CALLER_PC, thr); |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
321 create_memory_record(addr, MemPointerRecord::virtual_memory_release_tag() | mtThreadStack, |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
322 size, DEBUG_CALLER_PC, thr); |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
323 } |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
324 } |
|
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
325 |
| 6197 | 326 // record a virtual memory 'commit' call |
| 327 static inline void record_virtual_memory_commit(address addr, size_t size, | |
|
6882
716c64bda5ba
7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents:
6854
diff
changeset
|
328 address pc, Thread* thread = NULL) { |
| 6197 | 329 if (is_on()) { |
|
6768
716e6ef4482a
7190089: NMT ON: NMT failed assertion on thread's stack base address
zgu
parents:
6741
diff
changeset
|
330 assert(size > 0, "Sanity check"); |
| 6197 | 331 create_memory_record(addr, MemPointerRecord::virtual_memory_commit_tag(), |
|
6882
716c64bda5ba
7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents:
6854
diff
changeset
|
332 size, pc, thread); |
| 6197 | 333 } |
| 334 } | |
| 335 | |
| 336 // record a virtual memory 'uncommit' call | |
| 337 static inline void record_virtual_memory_uncommit(address addr, size_t size, | |
| 338 Thread* thread = NULL) { | |
| 339 if (is_on()) { | |
|
6768
716e6ef4482a
7190089: NMT ON: NMT failed assertion on thread's stack base address
zgu
parents:
6741
diff
changeset
|
340 assert(size > 0, "Sanity check"); |
| 6197 | 341 create_memory_record(addr, MemPointerRecord::virtual_memory_uncommit_tag(), |
|
6741
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
342 size, DEBUG_CALLER_PC, thread); |
| 6197 | 343 } |
| 344 } | |
| 345 | |
| 346 // record a virtual memory 'release' call | |
| 347 static inline void record_virtual_memory_release(address addr, size_t size, | |
| 348 Thread* thread = NULL) { | |
| 349 if (is_on()) { | |
|
6768
716e6ef4482a
7190089: NMT ON: NMT failed assertion on thread's stack base address
zgu
parents:
6741
diff
changeset
|
350 assert(size > 0, "Sanity check"); |
| 6197 | 351 create_memory_record(addr, MemPointerRecord::virtual_memory_release_tag(), |
|
6741
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
352 size, DEBUG_CALLER_PC, thread); |
| 6197 | 353 } |
| 354 } | |
| 355 | |
| 356 // record memory type on virtual memory base address | |
| 357 static inline void record_virtual_memory_type(address base, MEMFLAGS flags, | |
| 358 Thread* thread = NULL) { | |
| 359 if (is_on()) { | |
| 360 assert(base > 0, "wrong base address"); | |
| 361 assert((flags & (~mt_masks)) == 0, "memory type only"); | |
| 362 create_memory_record(base, (flags | MemPointerRecord::virtual_memory_type_tag()), | |
|
6741
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents:
6599
diff
changeset
|
363 0, DEBUG_CALLER_PC, thread); |
| 6197 | 364 } |
| 365 } | |
| 366 | |
| 367 | |
| 368 // create memory baseline of current memory snapshot | |
| 369 static bool baseline(); | |
| 370 // is there a memory baseline | |
| 371 static bool has_baseline() { | |
| 372 return _baseline.baselined(); | |
| 373 } | |
| 374 | |
| 375 // print memory usage from current snapshot | |
| 376 static bool print_memory_usage(BaselineOutputer& out, size_t unit, | |
| 377 bool summary_only = true); | |
| 378 // compare memory usage between current snapshot and baseline | |
| 379 static bool compare_memory_usage(BaselineOutputer& out, size_t unit, | |
| 380 bool summary_only = true); | |
| 381 | |
| 382 // sync is called within global safepoint to synchronize nmt data | |
| 383 static void sync(); | |
| 384 | |
| 385 // called when a thread is about to exit | |
| 386 static void thread_exiting(JavaThread* thread); | |
| 387 | |
| 388 // retrieve global snapshot | |
| 389 static MemSnapshot* get_snapshot() { | |
| 390 if (shutdown_in_progress()) { | |
| 391 return NULL; | |
| 392 } | |
| 393 return _snapshot; | |
| 394 } | |
| 395 | |
| 396 // print tracker stats | |
| 397 NOT_PRODUCT(static void print_tracker_stats(outputStream* st);) | |
| 398 NOT_PRODUCT(static void walk_stack(int toSkip, char* buf, int len);) | |
| 399 | |
| 400 private: | |
| 401 // start native memory tracking worker thread | |
| 402 static bool start_worker(); | |
| 403 | |
| 404 // called by worker thread to complete shutdown process | |
| 405 static void final_shutdown(); | |
| 406 | |
| 407 protected: | |
| 408 // retrieve per-thread recorder of the specified thread. | |
| 409 // if the recorder is full, it will be enqueued to overflow | |
| 410 // queue, a new recorder is acquired from recorder pool or a | |
| 411 // new instance is created. | |
| 412 // when thread == NULL, it means global recorder | |
| 413 static MemRecorder* get_thread_recorder(JavaThread* thread); | |
| 414 | |
| 415 // per-thread recorder pool | |
| 416 static void release_thread_recorder(MemRecorder* rec); | |
| 417 static void delete_all_pooled_recorders(); | |
| 418 | |
| 419 // pending recorder queue. Recorders are queued to pending queue | |
| 420 // when they are overflowed or collected at nmt sync point. | |
| 421 static void enqueue_pending_recorder(MemRecorder* rec); | |
| 422 static MemRecorder* get_pending_recorders(); | |
| 423 static void delete_all_pending_recorders(); | |
| 424 | |
| 425 private: | |
| 426 // retrieve a pooled memory record or create new one if there is not | |
| 427 // one available | |
| 428 static MemRecorder* get_new_or_pooled_instance(); | |
| 429 static void create_memory_record(address addr, MEMFLAGS type, | |
| 430 size_t size, address pc, Thread* thread); | |
| 431 static void create_record_in_recorder(address addr, MEMFLAGS type, | |
| 6231 | 432 size_t size, address pc, JavaThread* thread); |
| 6197 | 433 |
| 434 private: | |
| 435 // global memory snapshot | |
| 436 static MemSnapshot* _snapshot; | |
| 437 | |
| 438 // a memory baseline of snapshot | |
| 439 static MemBaseline _baseline; | |
| 440 | |
| 441 // query lock | |
|
6232
f1f45dddb0bd
7181986: NMT ON: Assertion failure when running jdi ExpiredRequestDeletionTest
zgu
parents:
6197
diff
changeset
|
442 static Mutex* _query_lock; |
| 6197 | 443 |
| 444 // a thread can start to allocate memory before it is attached | |
| 445 // to VM 'Thread', those memory activities are recorded here. | |
| 446 // ThreadCritical is required to guard this global recorder. | |
| 447 static MemRecorder* _global_recorder; | |
| 448 | |
| 449 // main thread id | |
| 450 debug_only(static intx _main_thread_tid;) | |
| 451 | |
| 452 // pending recorders to be merged | |
| 453 static volatile MemRecorder* _merge_pending_queue; | |
| 454 | |
| 455 NOT_PRODUCT(static volatile jint _pending_recorder_count;) | |
| 456 | |
| 457 // pooled memory recorders | |
| 458 static volatile MemRecorder* _pooled_recorders; | |
| 459 | |
| 460 // memory recorder pool management, uses following | |
| 461 // counter to determine if a released memory recorder | |
| 462 // should be pooled | |
| 463 | |
| 464 // latest thread count | |
| 465 static int _thread_count; | |
| 466 // pooled recorder count | |
| 467 static volatile jint _pooled_recorder_count; | |
| 468 | |
| 469 | |
| 470 // worker thread to merge pending recorders into snapshot | |
| 471 static MemTrackWorker* _worker_thread; | |
| 472 | |
| 473 // how many safepoints we skipped without entering sync point | |
| 474 static int _sync_point_skip_count; | |
| 475 | |
| 476 // if the tracker is properly intialized | |
| 477 static bool _is_tracker_ready; | |
| 478 // tracking level (off, summary and detail) | |
| 479 static enum NMTLevel _tracking_level; | |
| 480 | |
| 481 // current nmt state | |
| 482 static volatile enum NMTStates _state; | |
| 483 // the reason for shutting down nmt | |
| 484 static enum ShutdownReason _reason; | |
| 485 }; | |
| 486 | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
487 #endif // !INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6770
diff
changeset
|
488 |
| 6197 | 489 #endif // SHARE_VM_SERVICES_MEM_TRACKER_HPP |