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From "Rustem Rafikov (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-3227) [jvmti] significant performance degradation when turning-on jvmti on linux em64t
Date Thu, 22 Feb 2007 10:51:06 GMT
[jvmti] significant performance degradation when turning-on jvmti on linux em64t
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                 Key: HARMONY-3227
                 URL: https://issues.apache.org/jira/browse/HARMONY-3227
             Project: Harmony
          Issue Type: Bug
          Components: DRLVM
         Environment: linux-em64t
            Reporter: Rustem Rafikov
         Attachments: jvmti-monitor-capa-check.em64t.diff

Hi All, 
I noticed sugnificant performance degradation when turning-on jvtmi on lnx64. The problem
is that monitor helpers always use slow path when jvmti is enabled without checking whether
the corresponding capability is added. 
The attached pach adds this check jit_lock_rt_support_em64t.cpp.

--bwR

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