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Posted to dev@qpid.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/08/23 16:37:00 UTC
[jira] [Commented] (DISPATCH-2235) Add debug code for timing lock
acquire latency
[ https://issues.apache.org/jira/browse/DISPATCH-2235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17403290#comment-17403290 ]
ASF GitHub Bot commented on DISPATCH-2235:
------------------------------------------
kgiusti opened a new pull request #1346:
URL: https://github.com/apache/qpid-dispatch/pull/1346
- top five total waits:
$ sort --reverse --numeric --key 3 <output-file> | head -5
- top five with waits > 1000 nsc:
$ sort --reverse --numeric --key 7 <output-file> | head -5
- top five maximum single-call wait times:
sort --reverse --numeric --key 9 <output-file> | head -5
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> Add debug code for timing lock acquire latency
> ----------------------------------------------
>
> Key: DISPATCH-2235
> URL: https://issues.apache.org/jira/browse/DISPATCH-2235
> Project: Qpid Dispatch
> Issue Type: New Feature
> Components: Router Node
> Affects Versions: 1.17.0
> Reporter: Ken Giusti
> Assignee: Ken Giusti
> Priority: Major
> Fix For: 1.18.0
>
>
> Add code to record the time delay between requesting a mutex and obtaining the mutex.
>
> This is debug code and is only enabled when the router is compiled with the following preprocessor symbol defined: QD_TRACE_LOCK_CONTENTION
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