JDK-8014478 : EnableTracing: output from multiple threads may be mixed together
Type:Bug
Component:hotspot
Sub-Component:svc
Affected Version:hs24,hs25
Priority:P4
Status:Resolved
Resolution:Fixed
Submitted:2013-05-14
Updated:2013-06-26
Resolved:2013-05-15
The Version table provides details related to the release that this issue/RFE will be addressed.
Unresolved : Release in which this issue/RFE will be addressed. Resolved: Release in which this issue/RFE has been resolved. Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
Output from multiple threads may be mixed together when using EnableTracing.
Comments
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.
15-05-2013
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