RFR: 8314029: Add file name parameter to Compiler.perfmap [v2]

[Yi-Fan Tsai]

> `jcmd Compiler.perfmap` uses the hard-coded file name for a perf map: `/tmp/perf-%d.map`. This change adds an option for specifying a file name.
> 
> The help message of `jcmd PID help Compiler.perfmap` will be updated in a separate PR.

Yi-Fan Tsai has updated the pull request incrementally with one additional commit since the last revision:

  Remove changes of jcmd man page

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Changes:
  - all: https://git.openjdk.org/jdk/pull/15871/files
  - new: https://git.openjdk.org/jdk/pull/15871/files/9fee339b..861bda74

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15871&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15871&range=00-01

  Stats: 12 lines in 2 files changed: 1 ins; 10 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/15871.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15871/head:pull/15871

PR: https://git.openjdk.org/jdk/pull/15871