On Wed, 19 Jan 2022 02:50:16 GMT, Chris Plummer <cjplum...@openjdk.org> wrote:

> > > It seems it would be useful to support the verbose output with just a 
> > > single class that is specified, although that would suggest that the dcmd 
> > > name should then be something other than `VM.classes`.
> > 
> > 
> > This is a good idea, but `jcmd VM.classes verbose=XX` looks strange, `jcmd 
> > VM.class XX` is also not much proper, because we desire to print all 
> > classes in default(`jcmd VM.class`). an alternative is to use `jcmd 
> > VM.classes verbose | grep XX` currently.
> 
> I was thinking the syntax would look like: `jcmd VM.classes [verbose 
> [classname]]`
> 
> Your grep solution doesn't work because each class has multiple lines of 
> output.

How about this:


jcmd VM.classes -verbose classname classname ...


-verbose is optional

more than one classnames can be specified.

if no classnames are specified, all classes are printed

-------------

PR: https://git.openjdk.java.net/jdk/pull/7105

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