jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/parallelScavenge/pcTasks.cpp@c9ca3f51cf41

6994322: Remove the is_tlab and is_noref / is_large_noref parameters from the CollectedHeap
Summary: Remove two unused parameters from the mem_allocate() method and update its uses accordingly.
Reviewed-by: stefank, johnc

     1 /*

     2  * Copyright (c) 2005, 2011, 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  */

    25 #include "precompiled.hpp"

    26 #include "classfile/systemDictionary.hpp"

    27 #include "code/codeCache.hpp"

    28 #include "gc_implementation/parallelScavenge/pcTasks.hpp"

    29 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp"

    30 #include "gc_interface/collectedHeap.hpp"

    31 #include "memory/universe.hpp"

    32 #include "oops/objArrayKlass.inline.hpp"

    33 #include "oops/oop.inline.hpp"

    34 #include "oops/oop.pcgc.inline.hpp"

    35 #include "prims/jvmtiExport.hpp"

    36 #include "runtime/fprofiler.hpp"

    37 #include "runtime/jniHandles.hpp"

    38 #include "runtime/thread.hpp"

    39 #include "runtime/vmThread.hpp"

    40 #include "services/management.hpp"

    42 //

    43 // ThreadRootsMarkingTask

    44 //

    46 void ThreadRootsMarkingTask::do_it(GCTaskManager* manager, uint which) {

    47   assert(Universe::heap()->is_gc_active(), "called outside gc");

    49   ResourceMark rm;

    51   NOT_PRODUCT(TraceTime tm("ThreadRootsMarkingTask",

    52     PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty));

    53   ParCompactionManager* cm =

    54     ParCompactionManager::gc_thread_compaction_manager(which);

    55   PSParallelCompact::MarkAndPushClosure mark_and_push_closure(cm);

    56   CodeBlobToOopClosure mark_and_push_in_blobs(&mark_and_push_closure, /*do_marking=*/ true);

    58   if (_java_thread != NULL)

    59     _java_thread->oops_do(&mark_and_push_closure, &mark_and_push_in_blobs);

    61   if (_vm_thread != NULL)

    62     _vm_thread->oops_do(&mark_and_push_closure, &mark_and_push_in_blobs);

    64   // Do the real work

    65   cm->follow_marking_stacks();

    66 }

    69 void MarkFromRootsTask::do_it(GCTaskManager* manager, uint which) {

    70   assert(Universe::heap()->is_gc_active(), "called outside gc");

    72   NOT_PRODUCT(TraceTime tm("MarkFromRootsTask",

    73     PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty));

    74   ParCompactionManager* cm =

    75     ParCompactionManager::gc_thread_compaction_manager(which);

    76   PSParallelCompact::MarkAndPushClosure mark_and_push_closure(cm);

    78   switch (_root_type) {

    79     case universe:

    80       Universe::oops_do(&mark_and_push_closure);

    81       break;

    83     case reference_processing:

    84       ReferenceProcessor::oops_do(&mark_and_push_closure);

    85       break;

    87     case jni_handles:

    88       JNIHandles::oops_do(&mark_and_push_closure);

    89       break;

    91     case threads:

    92     {

    93       ResourceMark rm;

    94       CodeBlobToOopClosure each_active_code_blob(&mark_and_push_closure, /*do_marking=*/ true);

    95       Threads::oops_do(&mark_and_push_closure, &each_active_code_blob);

    96     }

    97     break;

    99     case object_synchronizer:

   100       ObjectSynchronizer::oops_do(&mark_and_push_closure);

   101       break;

   103     case flat_profiler:

   104       FlatProfiler::oops_do(&mark_and_push_closure);

   105       break;

   107     case management:

   108       Management::oops_do(&mark_and_push_closure);

   109       break;

   111     case jvmti:

   112       JvmtiExport::oops_do(&mark_and_push_closure);

   113       break;

   115     case system_dictionary:

   116       SystemDictionary::always_strong_oops_do(&mark_and_push_closure);

   117       break;

   119     case code_cache:

   120       // Do not treat nmethods as strong roots for mark/sweep, since we can unload them.

   121       //CodeCache::scavenge_root_nmethods_do(CodeBlobToOopClosure(&mark_and_push_closure));

   122       break;

   124     default:

   125       fatal("Unknown root type");

   126   }

   128   // Do the real work

   129   cm->follow_marking_stacks();

   130 }

   133 //

   134 // RefProcTaskProxy

   135 //

   137 void RefProcTaskProxy::do_it(GCTaskManager* manager, uint which)

   138 {

   139   assert(Universe::heap()->is_gc_active(), "called outside gc");

   141   NOT_PRODUCT(TraceTime tm("RefProcTask",

   142     PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty));

   143   ParCompactionManager* cm =

   144     ParCompactionManager::gc_thread_compaction_manager(which);

   145   PSParallelCompact::MarkAndPushClosure mark_and_push_closure(cm);

   146   PSParallelCompact::FollowStackClosure follow_stack_closure(cm);

   147   _rp_task.work(_work_id, *PSParallelCompact::is_alive_closure(),

   148                 mark_and_push_closure, follow_stack_closure);

   149 }

   151 //

   152 // RefProcTaskExecutor

   153 //

   155 void RefProcTaskExecutor::execute(ProcessTask& task)

   156 {

   157   ParallelScavengeHeap* heap = PSParallelCompact::gc_heap();

   158   uint parallel_gc_threads = heap->gc_task_manager()->workers();

   159   RegionTaskQueueSet* qset = ParCompactionManager::region_array();

   160   ParallelTaskTerminator terminator(parallel_gc_threads, qset);

   161   GCTaskQueue* q = GCTaskQueue::create();

   162   for(uint i=0; i<parallel_gc_threads; i++) {

   163     q->enqueue(new RefProcTaskProxy(task, i));

   164   }

   165   if (task.marks_oops_alive()) {

   166     if (parallel_gc_threads>1) {

   167       for (uint j=0; j<parallel_gc_threads; j++) {

   168         q->enqueue(new StealMarkingTask(&terminator));

   169       }

   170     }

   171   }

   172   PSParallelCompact::gc_task_manager()->execute_and_wait(q);

   173 }

   175 void RefProcTaskExecutor::execute(EnqueueTask& task)

   176 {

   177   ParallelScavengeHeap* heap = PSParallelCompact::gc_heap();

   178   uint parallel_gc_threads = heap->gc_task_manager()->workers();

   179   GCTaskQueue* q = GCTaskQueue::create();

   180   for(uint i=0; i<parallel_gc_threads; i++) {

   181     q->enqueue(new RefEnqueueTaskProxy(task, i));

   182   }

   183   PSParallelCompact::gc_task_manager()->execute_and_wait(q);

   184 }

   186 //

   187 // StealMarkingTask

   188 //

   190 StealMarkingTask::StealMarkingTask(ParallelTaskTerminator* t) :

   191   _terminator(t) {}

   193 void StealMarkingTask::do_it(GCTaskManager* manager, uint which) {

   194   assert(Universe::heap()->is_gc_active(), "called outside gc");

   196   NOT_PRODUCT(TraceTime tm("StealMarkingTask",

   197     PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty));

   199   ParCompactionManager* cm =

   200     ParCompactionManager::gc_thread_compaction_manager(which);

   201   PSParallelCompact::MarkAndPushClosure mark_and_push_closure(cm);

   203   oop obj = NULL;

   204   ObjArrayTask task;

   205   int random_seed = 17;

   206   do {

   207     while (ParCompactionManager::steal_objarray(which, &random_seed, task)) {

   208       objArrayKlass* const k = (objArrayKlass*)task.obj()->blueprint();

   209       k->oop_follow_contents(cm, task.obj(), task.index());

   210       cm->follow_marking_stacks();

   211     }

   212     while (ParCompactionManager::steal(which, &random_seed, obj)) {

   213       obj->follow_contents(cm);

   214       cm->follow_marking_stacks();

   215     }

   216   } while (!terminator()->offer_termination());

   217 }

   219 //

   220 // StealRegionCompactionTask

   221 //

   224 StealRegionCompactionTask::StealRegionCompactionTask(ParallelTaskTerminator* t):

   225   _terminator(t) {}

   227 void StealRegionCompactionTask::do_it(GCTaskManager* manager, uint which) {

   228   assert(Universe::heap()->is_gc_active(), "called outside gc");

   230   NOT_PRODUCT(TraceTime tm("StealRegionCompactionTask",

   231     PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty));

   233   ParCompactionManager* cm =

   234     ParCompactionManager::gc_thread_compaction_manager(which);

   236   // Has to drain stacks first because there may be regions on

   237   // preloaded onto the stack and this thread may never have

   238   // done a draining task.  Are the draining tasks needed?

   240   cm->drain_region_stacks();

   242   size_t region_index = 0;

   243   int random_seed = 17;

   245   // If we're the termination task, try 10 rounds of stealing before

   246   // setting the termination flag

   248   while(true) {

   249     if (ParCompactionManager::steal(which, &random_seed, region_index)) {

   250       PSParallelCompact::fill_and_update_region(cm, region_index);

   251       cm->drain_region_stacks();

   252     } else {

   253       if (terminator()->offer_termination()) {

   254         break;

   255       }

   256       // Go around again.

   257     }

   258   }

   259   return;

   260 }

   262 UpdateDensePrefixTask::UpdateDensePrefixTask(

   263                                    PSParallelCompact::SpaceId space_id,

   264                                    size_t region_index_start,

   265                                    size_t region_index_end) :

   266   _space_id(space_id), _region_index_start(region_index_start),

   267   _region_index_end(region_index_end) {}

   269 void UpdateDensePrefixTask::do_it(GCTaskManager* manager, uint which) {

   271   NOT_PRODUCT(TraceTime tm("UpdateDensePrefixTask",

   272     PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty));

   274   ParCompactionManager* cm =

   275     ParCompactionManager::gc_thread_compaction_manager(which);

   277   PSParallelCompact::update_and_deadwood_in_dense_prefix(cm,

   278                                                          _space_id,

   279                                                          _region_index_start,

   280                                                          _region_index_end);

   281 }

   283 void DrainStacksCompactionTask::do_it(GCTaskManager* manager, uint which) {

   284   assert(Universe::heap()->is_gc_active(), "called outside gc");

   286   NOT_PRODUCT(TraceTime tm("DrainStacksCompactionTask",

   287     PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty));

   289   ParCompactionManager* cm =

   290     ParCompactionManager::gc_thread_compaction_manager(which);

   292   // Process any regions already in the compaction managers stacks.

   293   cm->drain_region_stacks();

   294 }

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/gc_implementation/parallelScavenge/pcTasks.cpp@c9ca3f51cf41

src/share/vm/gc_implementation/parallelScavenge/pcTasks.cpp