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8005849: JEP 167: Event-Based JVM Tracing

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Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Co-authored-by: Bengt Rutisson <bengt.rutisson@oracle.com>
Co-authored-by: Calvin Cheung <calvin.cheung@oracle.com>
Co-authored-by: Erik Gahlin <erik.gahlin@oracle.com>
Co-authored-by: Erik Helin <erik.helin@oracle.com>
Co-authored-by: Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>
Co-authored-by: Keith McGuigan <keith.mcguigan@oracle.com>
Co-authored-by: Mattias Tobiasson <mattias.tobiasson@oracle.com>
Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com>
Co-authored-by: Mikael Auno <mikael.auno@oracle.com>
Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com>
Co-authored-by: Nils Loodin <nils.loodin@oracle.com>
Co-authored-by: Rickard Backman <rickard.backman@oracle.com>
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
Reviewed-by: acorn, coleenp, sla
This commit is contained in:
Staffan Larsen 2013-06-10 11:30:51 +02:00
parent 6b2c468c35
commit 718f3252f6
195 changed files with 7628 additions and 1484 deletions
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10
hotspot/src/share/vm/runtime/task.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2013, 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
@ -114,9 +114,11 @@ PeriodicTask::~PeriodicTask() {
disenroll();
}
/* enroll could be called from a JavaThread, so we have to check for
* safepoint when taking the lock to avoid deadlocking */
void PeriodicTask::enroll() {
MutexLockerEx ml(PeriodicTask_lock->owned_by_self() ?
NULL : PeriodicTask_lock, Mutex::_no_safepoint_check_flag);
NULL : PeriodicTask_lock);
if (_num_tasks == PeriodicTask::max_tasks) {
fatal("Overflow in PeriodicTask table");
@ -131,9 +133,11 @@ void PeriodicTask::enroll() {
}
}
/* disenroll could be called from a JavaThread, so we have to check for
* safepoint when taking the lock to avoid deadlocking */
void PeriodicTask::disenroll() {
MutexLockerEx ml(PeriodicTask_lock->owned_by_self() ?
NULL : PeriodicTask_lock, Mutex::_no_safepoint_check_flag);
NULL : PeriodicTask_lock);
int index;
for(index = 0; index < _num_tasks && _tasks[index] != this; index++)