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 #include "precompiled.hpp"
26 #include "classfile/stringTable.hpp"
27 #include "code/codeCache.hpp"
28 #include "gc/parallel/gcTaskManager.hpp"
29 #include "gc/parallel/parallelScavengeHeap.hpp"
30 #include "gc/parallel/psAdaptiveSizePolicy.hpp"
31 #include "gc/parallel/psMarkSweep.hpp"
32 #include "gc/parallel/psParallelCompact.inline.hpp"
33 #include "gc/parallel/psScavenge.inline.hpp"
34 #include "gc/parallel/psTasks.hpp"
35 #include "gc/shared/collectorPolicy.hpp"
36 #include "gc/shared/gcCause.hpp"
37 #include "gc/shared/gcHeapSummary.hpp"
38 #include "gc/shared/gcId.hpp"
39 #include "gc/shared/gcLocker.hpp"
40 #include "gc/shared/gcTimer.hpp"
41 #include "gc/shared/gcTrace.hpp"
42 #include "gc/shared/gcTraceTime.inline.hpp"
43 #include "gc/shared/isGCActiveMark.hpp"
44 #include "gc/shared/referencePolicy.hpp"
45 #include "gc/shared/referenceProcessor.hpp"
46 #include "gc/shared/spaceDecorator.hpp"
47 #include "gc/shared/weakProcessor.hpp"
48 #include "memory/resourceArea.hpp"
49 #include "logging/log.hpp"
50 #include "oops/access.inline.hpp"
51 #include "oops/compressedOops.inline.hpp"
217
218 const bool scavenge_done = PSScavenge::invoke_no_policy();
219 const bool need_full_gc = !scavenge_done ||
220 policy->should_full_GC(heap->old_gen()->free_in_bytes());
221 bool full_gc_done = false;
222
223 if (UsePerfData) {
224 PSGCAdaptivePolicyCounters* const counters = heap->gc_policy_counters();
225 const int ffs_val = need_full_gc ? full_follows_scavenge : not_skipped;
226 counters->update_full_follows_scavenge(ffs_val);
227 }
228
229 if (need_full_gc) {
230 GCCauseSetter gccs(heap, GCCause::_adaptive_size_policy);
231 SoftRefPolicy* srp = heap->soft_ref_policy();
232 const bool clear_all_softrefs = srp->should_clear_all_soft_refs();
233
234 if (UseParallelOldGC) {
235 full_gc_done = PSParallelCompact::invoke_no_policy(clear_all_softrefs);
236 } else {
237 full_gc_done = PSMarkSweep::invoke_no_policy(clear_all_softrefs);
238 }
239 }
240
241 return full_gc_done;
242 }
243
244 // This method contains no policy. You should probably
245 // be calling invoke() instead.
246 bool PSScavenge::invoke_no_policy() {
247 assert(SafepointSynchronize::is_at_safepoint(), "should be at safepoint");
248 assert(Thread::current() == (Thread*)VMThread::vm_thread(), "should be in vm thread");
249
250 _gc_timer.register_gc_start();
251
252 TimeStamp scavenge_entry;
253 TimeStamp scavenge_midpoint;
254 TimeStamp scavenge_exit;
255
256 scavenge_entry.update();
257
|
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 #include "precompiled.hpp"
26 #include "classfile/stringTable.hpp"
27 #include "code/codeCache.hpp"
28 #include "gc/parallel/gcTaskManager.hpp"
29 #include "gc/parallel/parallelScavengeHeap.hpp"
30 #include "gc/parallel/psAdaptiveSizePolicy.hpp"
31 #include "gc/parallel/psMarkSweepProxy.hpp"
32 #include "gc/parallel/psParallelCompact.inline.hpp"
33 #include "gc/parallel/psScavenge.inline.hpp"
34 #include "gc/parallel/psTasks.hpp"
35 #include "gc/shared/collectorPolicy.hpp"
36 #include "gc/shared/gcCause.hpp"
37 #include "gc/shared/gcHeapSummary.hpp"
38 #include "gc/shared/gcId.hpp"
39 #include "gc/shared/gcLocker.hpp"
40 #include "gc/shared/gcTimer.hpp"
41 #include "gc/shared/gcTrace.hpp"
42 #include "gc/shared/gcTraceTime.inline.hpp"
43 #include "gc/shared/isGCActiveMark.hpp"
44 #include "gc/shared/referencePolicy.hpp"
45 #include "gc/shared/referenceProcessor.hpp"
46 #include "gc/shared/spaceDecorator.hpp"
47 #include "gc/shared/weakProcessor.hpp"
48 #include "memory/resourceArea.hpp"
49 #include "logging/log.hpp"
50 #include "oops/access.inline.hpp"
51 #include "oops/compressedOops.inline.hpp"
217
218 const bool scavenge_done = PSScavenge::invoke_no_policy();
219 const bool need_full_gc = !scavenge_done ||
220 policy->should_full_GC(heap->old_gen()->free_in_bytes());
221 bool full_gc_done = false;
222
223 if (UsePerfData) {
224 PSGCAdaptivePolicyCounters* const counters = heap->gc_policy_counters();
225 const int ffs_val = need_full_gc ? full_follows_scavenge : not_skipped;
226 counters->update_full_follows_scavenge(ffs_val);
227 }
228
229 if (need_full_gc) {
230 GCCauseSetter gccs(heap, GCCause::_adaptive_size_policy);
231 SoftRefPolicy* srp = heap->soft_ref_policy();
232 const bool clear_all_softrefs = srp->should_clear_all_soft_refs();
233
234 if (UseParallelOldGC) {
235 full_gc_done = PSParallelCompact::invoke_no_policy(clear_all_softrefs);
236 } else {
237 full_gc_done = PSMarkSweepProxy::invoke_no_policy(clear_all_softrefs);
238 }
239 }
240
241 return full_gc_done;
242 }
243
244 // This method contains no policy. You should probably
245 // be calling invoke() instead.
246 bool PSScavenge::invoke_no_policy() {
247 assert(SafepointSynchronize::is_at_safepoint(), "should be at safepoint");
248 assert(Thread::current() == (Thread*)VMThread::vm_thread(), "should be in vm thread");
249
250 _gc_timer.register_gc_start();
251
252 TimeStamp scavenge_entry;
253 TimeStamp scavenge_midpoint;
254 TimeStamp scavenge_exit;
255
256 scavenge_entry.update();
257
|