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JDK-8014478 : EnableTracing: output from multiple threads may be mixed together

Details
Type:
Bug
Submit Date:
2013-05-14
Status:
Resolved
Updated Date:
2013-05-21
Project Name:
JDK
Resolved Date:
2013-05-15
Component:
hotspot
OS:
Sub-Component:
svc
CPU:
Priority:
P4
Resolution:
Fixed
Affected Versions:
hs24,hs25
Fixed Versions:
hs24 (b45)

Related Reports
Backport:

Sub Tasks

Description
Output from multiple threads may be mixed together when using EnableTracing.
                                    

Comments
http://mail.openjdk.java.net/pipermail/hotspot-runtime-dev/2013-May/007004.html

and continued in

http://mail.openjdk.java.net/pipermail/hotspot-runtime-dev/2013-May/007102.html
                                     
2013-05-14
URL:   http://hg.openjdk.java.net/hsx/hsx24/hotspot/rev/feb41fc13635
User:  rbackman
Date:  2013-05-15 11:11:00 +0000

                                     
2013-05-15
The solution adds a -XX VM flag " UseLockedTracing" to enable use of a ttyLocker during tracing. This is not enabled by default as it may not be valid to acquire, or block acquiring, a lock in all event tracing contexts. Hence this is an opt-in mechanism.
                                     
2013-05-15



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