Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/runtime/interfaceSupport.cpp
src/share/vm/runtime/interfaceSupport.cpp
- changeset 7875
- fb260f267e87
- parent 7360
- 4e4ebe50c8e3
- child 7994
- 04ff2f6cd0eb
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| 7874:908b2d7253fc | 7875:fb260f267e87 |
|---|---|
| 183 ++zap_traversals; | 183 ++zap_traversals; |
| 184 } | 184 } |
| 185 | 185 |
| 186 # endif | 186 # endif |
| 187 | 187 |
| 188 | 188 // invocation counter for InterfaceSupport::deoptimizeAll/zombieAll functions |
| 189 int deoptimizeAllCounter = 0; | 189 int deoptimizeAllCounter = 0; |
| 190 int zombieAllCounter = 0; | 190 int zombieAllCounter = 0; |
| 191 | 191 |
| 192 | |
| 193 void InterfaceSupport::zombieAll() { | 192 void InterfaceSupport::zombieAll() { |
| 194 if (is_init_completed() && zombieAllCounter > ZombieALotInterval) { | 193 // This method is called by all threads when a thread make |
| 194 // transition to VM state (for example, runtime calls). | |
| 195 // Divide number of calls by number of threads to avoid | |
| 196 // dependence of ZombieAll events frequency on number of threads. | |
| 197 int value = zombieAllCounter / Threads::number_of_threads(); | |
| 198 if (is_init_completed() && value > ZombieALotInterval) { | |
| 195 zombieAllCounter = 0; | 199 zombieAllCounter = 0; |
| 196 VM_ZombieAll op; | 200 VM_ZombieAll op; |
| 197 VMThread::execute(&op); | 201 VMThread::execute(&op); |
| 198 } else { | 202 } |
| 199 zombieAllCounter++; | 203 zombieAllCounter++; |
| 200 } | |
| 201 } | 204 } |
| 202 | 205 |
| 203 void InterfaceSupport::unlinkSymbols() { | 206 void InterfaceSupport::unlinkSymbols() { |
| 204 VM_UnlinkSymbols op; | 207 VM_UnlinkSymbols op; |
| 205 VMThread::execute(&op); | 208 VMThread::execute(&op); |
| 206 } | 209 } |
| 207 | 210 |
| 208 void InterfaceSupport::deoptimizeAll() { | 211 void InterfaceSupport::deoptimizeAll() { |
| 209 if (is_init_completed() ) { | 212 // This method is called by all threads when a thread make |
| 210 if (DeoptimizeALot && deoptimizeAllCounter > DeoptimizeALotInterval) { | 213 // transition to VM state (for example, runtime calls). |
| 214 // Divide number of calls by number of threads to avoid | |
| 215 // dependence of DeoptimizeAll events frequency on number of threads. | |
| 216 int value = deoptimizeAllCounter / Threads::number_of_threads(); | |
| 217 if (is_init_completed()) { | |
| 218 if (DeoptimizeALot && value > DeoptimizeALotInterval) { | |
| 211 deoptimizeAllCounter = 0; | 219 deoptimizeAllCounter = 0; |
| 212 VM_DeoptimizeAll op; | 220 VM_DeoptimizeAll op; |
| 213 VMThread::execute(&op); | 221 VMThread::execute(&op); |
| 214 } else if (DeoptimizeRandom && (deoptimizeAllCounter & 0x1f) == (os::random() & 0x1f)) { | 222 } else if (DeoptimizeRandom && (value & 0x1F) == (os::random() & 0x1F)) { |
| 215 VM_DeoptimizeAll op; | 223 VM_DeoptimizeAll op; |
| 216 VMThread::execute(&op); | 224 VMThread::execute(&op); |
| 217 } | 225 } |
| 218 } | 226 } |
| 219 deoptimizeAllCounter++; | 227 deoptimizeAllCounter++; |
