archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-21 19:44:41 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

6984287: Regularize how GC parallel workers are specified

Browse source 
Associate number of GC workers with the workgang as opposed to the task.

Reviewed-by: johnc, ysr
This commit is contained in:
Jon Masamitsu 2010-09-20 14:38:38 -07:00
parent 3af63c10ab
commit 28e56b8970
29 changed files with 504 additions and 216 deletions
Download patch file Download diff file Expand all files Collapse all files

6
hotspot/src/share/vm/gc_implementation/parallelScavenge/pcTasks.hpp
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -242,7 +242,11 @@ class UpdateDensePrefixTask : public GCTask {
//
class DrainStacksCompactionTask : public GCTask {
uint _stack_index;
uint stack_index() { return _stack_index; }
public:
DrainStacksCompactionTask(uint stack_index) : GCTask(),
_stack_index(stack_index) {};
char* name() { return (char *)"drain-region-task"; }
virtual void do_it(GCTaskManager* manager, uint which);
};

2
hotspot/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp
View file

@ -2449,7 +2449,7 @@ void PSParallelCompact::enqueue_region_draining_tasks(GCTaskQueue* q,
const unsigned int task_count = MAX2(parallel_gc_threads, 1U);
for (unsigned int j = 0; j < task_count; j++) {
q->enqueue(new DrainStacksCompactionTask());
q->enqueue(new DrainStacksCompactionTask(j));
}
// Find all regions that are available (can be filled immediately) and