RFR: 8286560: Remove user parameter from jdk.internal.perf.Perf.attach()

[David Holmes]

On Wed, 11 May 2022 23:08:32 GMT, Ioi Lam <iklam at openjdk.org> wrote:

> The API `jdk.internal.perf.Perf.::attach(String user, int lvmid)` is never used. It should be removed, and all the handling of a specified user name should be removed.

Nice cleanup! I checked back in JDK 7 and couldn't find any use of this particular API.

Thanks.

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Marked as reviewed by dholmes (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/8669