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https://issues.apache.org/jira/browse/FELIX-4667?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pierre De Rop resolved FELIX-4667.
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Resolution: Fixed
committed a simple patch rv 1629978, which implements this new shell command.
> "top" command for the Dependency Manager Shell
> ----------------------------------------------
>
> Key: FELIX-4667
> URL: https://issues.apache.org/jira/browse/FELIX-4667
> Project: Felix
> Issue Type: Improvement
> Components: Dependency Manager
> Reporter: Pierre De Rop
> Assignee: Pierre De Rop
> Priority: Minor
> Fix For: dependencymanager-4.0.0, dependencymanager.shell-4.0.0
>
>
> This issue proposes to add a new simple "top" option to the Dependency
> Manager Shell in order to list all the "top components", sorted by their
> "start" lifecycle callback duration time.
> This command would then be very helpful in order to figure out what are the
> most expensive components, taking some long time in their start method.
> For example, the following gogo command allows to dump the top 2 components
> class name having the most expensive start duration time. The list is sorted
> by the start duration time, and the init/start time are displayed in nano
> seconds:
> {code}
> dm top 2
> g! dm top 2
> Top components (sorted by start duration time) [init time]
> [start time]
> -------------------------------------------------------------------------------------------------------
> foo.bar.BigComponent
> 91371 109579361
> foo.bar.AnotherBigComponent
> 156563 4493985
> {code}
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