-XX:CompileOnly command: how should it look like?

[Vladimir Kozlov]

 From what I remember originally we only accepted format ("," on command line to 
separate method and " " in .hotspot_compiler file):

/c1/c2/c3,m

Then Tom added next format to match PrintCompilation output:

c1.c2.c3::m

Vladimir

Vladimir Ivanov wrote:
> Hi,
> 
> Are there any requirements on how -XX:CompileOnly command should look 
> like? It's comma-separated list of class/method patterns, but pattern 
> format differs from what is used in -XX:CompileCommand/XX:CompilerOracle.
> 
> Moreover, code in CompilerOracle::parse_compile_only is broken.
> 
> For example:
> $ java -XX:+PrintVMOptions -XX:CompileOnly=p1.c ...
> VM option '+PrintVMOptions'
> VM option 'CompileOnly=p1.c'
> CompileOnly: compileonly *p1*.c
> 
> vs
> 
> $ java -XX:+PrintVMOptions -XX:CompileOnly=p1.c,c1::m ...
> VM option '+PrintVMOptions'
> VM option 'CompileOnly=p1.c,c1::m'
> CompileOnly: compileonly p1/c*.*
> CompileOnly: compileonly *c1*.m
> 
> I want to fix it, but also make it compliant with other compiler control 
> options. What I want to understand is whether such change in format is 
> safe.
> 
> Best regards,
> Vladimir Ivanov