RFR: 8255965: LogCompilation: add sort by nmethod code size

[Claes Redestad]

On Thu, 5 Nov 2020 22:13:54 GMT, Eric Caspole <ecaspole at openjdk.org> wrote:

> While profiling an issue I added this sort by code size to LogCompilation, using  -z
> 
> $ java -ea -jar target/LogCompilation-1.0-SNAPSHOT.jar -z 2000-2.log | head
> 
> 879 4 com.fee.fi.fo.Fum::foobar (3076 bytes)(code size: 57344)
> 853 make_not_entrant
> 853 3 com.fee.fi.fo.Fum::foobar (3076 bytes)(code size: 55968)
> 895 4 com.fee.fi.fo.Fum::baz (2238 bytes)(code size: 46112)
> 888 4 com.fee.fi.fo.Fum::quux (2165 bytes)(code size: 43200)
> 
> The code size = stub_offset - insts_offset from what is in the log. 
> This makes it easier to see, for example, if changing compiler XX options make huge differences in inlining.

Marked as reviewed by redestad (Reviewer).

-------------

PR: https://git.openjdk.java.net/jdk/pull/1085