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From "Mikhail Fursov (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-4000) [drlvm][em] DRLEM profile collectors code to access method profiles is not thread safe
Date Wed, 30 May 2007 14:03:15 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-4000?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mikhail Fursov updated HARMONY-4000:
------------------------------------

    Attachment: em.diff

> [drlvm][em] DRLEM profile collectors code to access method profiles is not thread safe
> --------------------------------------------------------------------------------------
>
>                 Key: HARMONY-4000
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4000
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Mikhail Fursov
>         Attachments: em.diff
>
>
> DRLEM profile collectors code to access method profiles is not thread safe.
> All 3 profile collectors: entry-backedge, edge and value profilers, do not use locks
in getMethodProfile routine.
> However the map that is used to keep method<->profile mapping can be modified from
a separate thread when new profile is created.

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