RFR(S) 8244775 Remove unnecessary dependency to jfrEvents.hpp

[Vladimir Kozlov]

Hi Ioi,

This looks fine to me but why not put methods into compile.cpp instead of .inline.hpp? It should not be performance 
critical.

thanks,
Vladimir

On 5/11/20 10:36 PM, Ioi Lam wrote:
> https://bugs.openjdk.java.net/browse/JDK-8244775
> http://cr.openjdk.java.net/~iklam/jdk15/8244775-remove-dependency-jfrEvents.hpp.v01/
> 
> Currently 231 .o files depends on jfrEvents.hpp, which pulls in a lot of stuff
> and slows down HotSpot build.
> 
> I refactored compile.hpp, compilerEvent.hpp and g1GCPhaseTimes.hpp. Now the
> number is down to 65 .o files.
> 
> On my machine, debug build goes from 2m19s to 2m01s.
> 
> Testing: passed mach5 tiers 1/2/3.
> 
> Thanks
> - Ioi