Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/runtime/synchronizer.cpp
src/share/vm/runtime/synchronizer.cpp
- changeset 9858
- b985cbb00e68
- parent 8729
- 402618d5afc9
- child 9892
- 9a4141de094d
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| 9727:c7a3e57fdf4a | 9858:b985cbb00e68 |
|---|---|
| 22 * | 22 * |
| 23 */ | 23 */ |
| 24 | 24 |
| 25 #include "precompiled.hpp" | 25 #include "precompiled.hpp" |
| 26 #include "classfile/vmSymbols.hpp" | 26 #include "classfile/vmSymbols.hpp" |
| 27 #include "jfr/jfrEvents.hpp" | |
| 27 #include "memory/resourceArea.hpp" | 28 #include "memory/resourceArea.hpp" |
| 28 #include "oops/markOop.hpp" | 29 #include "oops/markOop.hpp" |
| 29 #include "oops/oop.inline.hpp" | 30 #include "oops/oop.inline.hpp" |
| 30 #include "runtime/biasedLocking.hpp" | 31 #include "runtime/biasedLocking.hpp" |
| 31 #include "runtime/handles.inline.hpp" | 32 #include "runtime/handles.inline.hpp" |
| 1176 | 1177 |
| 1177 Thread::muxRelease (&ListLock) ; | 1178 Thread::muxRelease (&ListLock) ; |
| 1178 TEVENT (omFlush) ; | 1179 TEVENT (omFlush) ; |
| 1179 } | 1180 } |
| 1180 | 1181 |
| 1182 static void post_monitor_inflate_event(EventJavaMonitorInflate* event, | |
| 1183 const oop obj) { | |
| 1184 assert(event != NULL, "invariant"); | |
| 1185 assert(event->should_commit(), "invariant"); | |
| 1186 event->set_monitorClass(obj->klass()); | |
| 1187 event->set_address((uintptr_t)(void*)obj); | |
| 1188 // XXX no such counters. implement? | |
| 1189 // event->set_cause((u1)cause); | |
| 1190 event->commit(); | |
| 1191 } | |
| 1192 | |
| 1181 // Fast path code shared by multiple functions | 1193 // Fast path code shared by multiple functions |
| 1182 ObjectMonitor* ObjectSynchronizer::inflate_helper(oop obj) { | 1194 ObjectMonitor* ObjectSynchronizer::inflate_helper(oop obj) { |
| 1183 markOop mark = obj->mark(); | 1195 markOop mark = obj->mark(); |
| 1184 if (mark->has_monitor()) { | 1196 if (mark->has_monitor()) { |
| 1185 assert(ObjectSynchronizer::verify_objmon_isinpool(mark->monitor()), "monitor is invalid"); | 1197 assert(ObjectSynchronizer::verify_objmon_isinpool(mark->monitor()), "monitor is invalid"); |
| 1197 ObjectMonitor * ATTR ObjectSynchronizer::inflate (Thread * Self, oop object) { | 1209 ObjectMonitor * ATTR ObjectSynchronizer::inflate (Thread * Self, oop object) { |
| 1198 // Inflate mutates the heap ... | 1210 // Inflate mutates the heap ... |
| 1199 // Relaxing assertion for bug 6320749. | 1211 // Relaxing assertion for bug 6320749. |
| 1200 assert (Universe::verify_in_progress() || | 1212 assert (Universe::verify_in_progress() || |
| 1201 !SafepointSynchronize::is_at_safepoint(), "invariant") ; | 1213 !SafepointSynchronize::is_at_safepoint(), "invariant") ; |
| 1214 | |
| 1215 EventJavaMonitorInflate event; | |
| 1202 | 1216 |
| 1203 for (;;) { | 1217 for (;;) { |
| 1204 const markOop mark = object->mark() ; | 1218 const markOop mark = object->mark() ; |
| 1205 assert (!mark->has_bias_pattern(), "invariant") ; | 1219 assert (!mark->has_bias_pattern(), "invariant") ; |
| 1206 | 1220 |
| 1328 tty->print_cr("Inflating object " INTPTR_FORMAT " , mark " INTPTR_FORMAT " , type %s", | 1342 tty->print_cr("Inflating object " INTPTR_FORMAT " , mark " INTPTR_FORMAT " , type %s", |
| 1329 (void *) object, (intptr_t) object->mark(), | 1343 (void *) object, (intptr_t) object->mark(), |
| 1330 object->klass()->external_name()); | 1344 object->klass()->external_name()); |
| 1331 } | 1345 } |
| 1332 } | 1346 } |
| 1347 if (event.should_commit()) { | |
| 1348 post_monitor_inflate_event(&event, object); | |
| 1349 } | |
| 1333 return m ; | 1350 return m ; |
| 1334 } | 1351 } |
| 1335 | 1352 |
| 1336 // CASE: neutral | 1353 // CASE: neutral |
| 1337 // TODO-FIXME: for entry we currently inflate and then try to CAS _owner. | 1354 // TODO-FIXME: for entry we currently inflate and then try to CAS _owner. |
| 1377 ResourceMark rm; | 1394 ResourceMark rm; |
| 1378 tty->print_cr("Inflating object " INTPTR_FORMAT " , mark " INTPTR_FORMAT " , type %s", | 1395 tty->print_cr("Inflating object " INTPTR_FORMAT " , mark " INTPTR_FORMAT " , type %s", |
| 1379 (void *) object, (intptr_t) object->mark(), | 1396 (void *) object, (intptr_t) object->mark(), |
| 1380 object->klass()->external_name()); | 1397 object->klass()->external_name()); |
| 1381 } | 1398 } |
| 1399 } | |
| 1400 if (event.should_commit()) { | |
| 1401 post_monitor_inflate_event(&event, object); | |
| 1382 } | 1402 } |
| 1383 return m ; | 1403 return m ; |
| 1384 } | 1404 } |
| 1385 } | 1405 } |
| 1386 | 1406 |
