RFR: 8005885: enhance PrintCodeCache to print more data [v3]

[Evgeny Astigeevich]

On Tue, 22 Feb 2022 17:38:17 GMT, Yi-Fan Tsai <duke at openjdk.java.net> wrote:

>> 8005885: enhance PrintCodeCache to print more data
>
> Yi-Fan Tsai has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add back percentage and change descriptions

Changes requested by eastig at github.com (no known OpenJDK username).

src/hotspot/share/code/codeCache.cpp line 1484:

> 1482: 
> 1483:   tty->print_cr("nmethod dependency checking time %fs", dependentCheckTime.seconds());
> 1484:   for (int i = 0; i <= CompLevel_full_optimization; i++) {

I suggest to add:

tty->print_cr("Nmethod blobs per compilation level:");

before the loop.

src/hotspot/share/code/codeCache.cpp line 1492:

> 1490:     case CompLevel_full_profile: level_name = "CompLevel_full_profile"; break;
> 1491:     case CompLevel_full_optimization: level_name = "CompLevel_full_optimization"; break;
> 1492:     default: assert(false, "invalid compLevel");

Could you please put 'level_name = ; break;' into separate lines? It should improve readability .

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PR: https://git.openjdk.java.net/jdk/pull/7389