RFR (M): 7177003 C1: LogCompilation support

[Vladimir Kozlov]

Good changes!

Small thing: in method.cpp and deoptimization.cpp remove (int) cast from 
os::current_thread_id() if you want tou use UINTX format (it reads 64bit in 64b VM).

Thanks,
Vladimir

Vladimir Ivanov wrote:
> 7177003: C1: LogCompilation support
> http://cr.openjdk.java.net/~vlivanov/7177003/
> 
> LogCompilation support in C1 - both client [1] and tiered [2] modes.
> 
> These changes are only for Hotspot. LogCompilation tool changes will be 
> sent separately.
> 
> Also:
>     - print code cache state (after each nmethod installation)
>       Example:
>      <code_cache
>         total_blobs='258'
>         nmethods='50'
>         adapters='133'
>         free_code_cache='98839808'
>         largest_free_block='98832512'/>
> 
>     - consistent nmethod numbering between ordinary and OSR compilations
>     - correct printing of thread id's
>     - added missed tty locks where necessary
> 
> Thanks!
> 
> Best regards,
> Vladimir Ivanov
> 
> PS: actually, if it simplifies review, I can send cleanup/small 
> enhancements as a separate change.   
> 
> PPS: phew! Finally deciphered how deoptimization in C1 works =)
> 
> [1] 
> http://cr.openjdk.java.net/~vlivanov/7177003/webrev.00/compilation.client.log 
> 
> [2] 
> http://cr.openjdk.java.net/~vlivanov/7177003/webrev.00/compilation.tiered.log 
>