archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-22 03:54:33 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

6962947: shared TaskQueue statistics

Browse source 
Reviewed-by: tonyp, ysr
This commit is contained in:
John Coomes 2010-07-16 21:33:21 -07:00
parent 4efdcb87d1
commit daf491a814
11 changed files with 236 additions and 137 deletions
Download patch file Download diff file Expand all files Collapse all files

7
hotspot/src/share/vm/gc_implementation/parNew/parNewGeneration.cpp
View file

@ -539,10 +539,9 @@ ParNewGeneration(ReservedSpace rs, size_t initial_byte_size, int level)
guarantee(_task_queues != NULL, "task_queues allocation failure.");
for (uint i1 = 0; i1 < ParallelGCThreads; i1++) {
ObjToScanQueuePadded *q_padded = new ObjToScanQueuePadded();
guarantee(q_padded != NULL, "work_queue Allocation failure.");
_task_queues->register_queue(i1, &q_padded->work_queue);
ObjToScanQueue *q = new ObjToScanQueue();
guarantee(q != NULL, "work_queue Allocation failure.");
_task_queues->register_queue(i1, q);
}
for (uint i2 = 0; i2 < ParallelGCThreads; i2++)

12
hotspot/src/share/vm/gc_implementation/parNew/parNewGeneration.hpp
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2009, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 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
@ -33,8 +33,8 @@ class ParEvacuateFollowersClosure;
// but they must be here to allow ParScanClosure::do_oop_work to be defined
// in genOopClosures.inline.hpp.
typedef OopTaskQueue ObjToScanQueue;
typedef OopTaskQueueSet ObjToScanQueueSet;
typedef Padded<OopTaskQueue> ObjToScanQueue;
typedef GenericTaskQueueSet<ObjToScanQueue> ObjToScanQueueSet;
// Enable this to get push/pop/steal stats.
const int PAR_STATS_ENABLED = 0;
@ -304,12 +304,6 @@ class ParNewGeneration: public DefNewGeneration {
friend class ParEvacuateFollowersClosure;
private:
// XXX use a global constant instead of 64!
struct ObjToScanQueuePadded {
ObjToScanQueue work_queue;
char pad[64 - sizeof(ObjToScanQueue)]; // prevent false sharing
};
// The per-worker-thread work queues
ObjToScanQueueSet* _task_queues;

5
hotspot/src/share/vm/gc_implementation/parNew/parOopClosures.hpp
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2007, 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
@ -26,7 +26,8 @@
class ParScanThreadState;
class ParNewGeneration;
typedef OopTaskQueueSet ObjToScanQueueSet;
typedef Padded<OopTaskQueue> ObjToScanQueue;
typedef GenericTaskQueueSet<ObjToScanQueue> ObjToScanQueueSet;
class ParallelTaskTerminator;
class ParScanClosure: public OopsInGenClosure {