RFR: 8254723: add diagnostic command to write Linux perf map file [v5]

[Nick Gasson]

On Fri, 30 Oct 2020 04:34:19 GMT, Yasumasa Suenaga <ysuenaga at openjdk.org> wrote:

> 
> Sure, the change looks good to me. However I don't understand why CSR is not needed. It introduces new dcmd for Linux.

I think because interfaces that are for diagnostic purposes don't require a CSR. See question 4 on the CSR FAQs:

https://wiki.openjdk.java.net/display/csr/CSR+FAQs

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PR: https://git.openjdk.java.net/jdk/pull/760