[jdk21u-dev] RFR: 8323795: jcmd Compiler.codecache should print total size of code cache

[Matthias Baesken]

8323795: jcmd Compiler.codecache should print total size of code cache

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Commit messages:
 - Backport 3742bc626e80f597373913f02e79c5231e1b7dbc

Changes: https://git.openjdk.org/jdk21u-dev/pull/1611/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1611&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8323795
  Stats: 65 lines in 3 files changed: 37 ins; 3 del; 25 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1611.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1611/head:pull/1611

PR: https://git.openjdk.org/jdk21u-dev/pull/1611