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From "Tim Ellison (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-4014) [drlvm][thread]100% CPU consumption in MONITORENTER
Date Tue, 23 Oct 2007 11:12:50 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-4014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12536962

Tim Ellison commented on HARMONY-4014:

Is this issue still valid given the latest thread changes?  It is still listed as blocking
a critical issue.

> [drlvm][thread]100% CPU consumption in MONITORENTER
> ---------------------------------------------------
>                 Key: HARMONY-4014
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4014
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Sergey Salishev
>            Assignee: weldon washburn
>            Priority: Minor
>         Attachments: Test.java
> The attached test eats 100% of cpu time on Harmony while on RI it's 0% as it's blocked
in IO op.
> This is caused by busy wait in monitor enter  when trying to inflate thin lock which
is held by thread blocked in OS from other thread.

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