RFR (XS): 8165681 ClassLoad and ClassPrepare JVMTI events are missed in the start phase

David Holmes david.holmes at oracle.com
Mon Sep 12 01:49:05 UTC 2016

Hi Serguei,

On 12/09/2016 11:15 AM, serguei.spitsyn at oracle.com wrote:
> Please, review the one-liner fix for:
>   https://bugs.openjdk.java.net/browse/JDK-8165681
> Webrev:
> http://cr.openjdk.java.net/~sspitsyn/webrevs/2016/hotspot/8165681-jvmti-events.hs1/
> Summary:
>   The JVMTI spec tells the ClassLoad and ClassPrepare events can be send
> during start phase.
>   The new test below identified that they are missed because of this bug
> in JVMTI.
>   The fix is to add the events to the set of the set of the EARLY_EVENT_BITS.

Seems fine. Good to see the additional test coverage.


> Testing:
>   The following new test covers this issue:
> test/serviceability/jvmti/ModuleAwareAgents/ClassLoadPrepare/VMEarly
>   They are developed as a part of the following test enhancement:
>     8150758 [TESTBUG] need jvmti tests for module aware agents
>   Additionally, the following tests were run:
>     nsk.jvmti, nsk,jdi, jtreg com/sun/jdi and java/lang/instrument
> Thanks,
> Serguei

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