JDK-8224958 : add os::dll_load calls to event log
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: 11,13
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2019-05-29
  • Updated: 2019-09-10
  • Resolved: 2019-06-07
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JDK 11 JDK 13 JDK 14
11.0.6Fixed 13 b25Fixed 14Fixed
Related Reports
Blocks :  
JDK-8214315 - G1: fatal error: acquiring lock SATB_Q_FL_lock/1 out of order with lock tty_lock/0
Description
The current event log holds the last n events of various interesting operations. 
It is printed in the hs_err file and helps to analyze various issues / bugs . 
I would like to add shared library loading operations (os::dll_load) to the events added by calling Events::log.
Comments
Seems we need JDK-8214315 for the backport. Otherwise we'll get test crashes in debug builds with: fatal error: acquiring lock Events/0 out of order with lock tty_lock/0 -- possible deadlock e.g. in some compiler/compilercontrol subtests.
27-08-2019
Fix Request I would like to have the patch as well in jdk11, because it improves the event log part of the hs_err file output. The patch applies cleanly.
26-06-2019