RFR: Pacer for evacuation should print "Avail" to capture discounting

[Roman Kennke]

Am 12.07.2018 um 18:34 schrieb Aleksey Shipilev:
> Pacer for Evacuation prints "Free" for the value that is actually free minus cset, because it
> discounts cset for future evacs. Makes the log misleading, better to say "Avail":
> 
> diff -r 2ce3f06bf1ff src/hotspot/share/gc/shenandoah/shenandoahPacer.cpp
> --- a/src/hotspot/share/gc/shenandoah/shenandoahPacer.cpp       Thu Jul 12 12:19:26 2018 +0200
> +++ b/src/hotspot/share/gc/shenandoah/shenandoahPacer.cpp       Thu Jul 12 12:20:42 2018 +0200
> @@ -100,7 +100,7 @@
> 
>    restart_with(non_taxable, tax);
> 
> -  log_info(gc, ergo)("Pacer for Evacuation. Used CSet: " SIZE_FORMAT "M, Free: " SIZE_FORMAT
> +  log_info(gc, ergo)("Pacer for Evacuation. Used CSet: " SIZE_FORMAT "M, Avail: " SIZE_FORMAT
>                       "M, Non-Taxable: " SIZE_FORMAT "M, Alloc Tax Rate: %.1fx",
>                       used / M, free / M, non_taxable / M, tax);
>  }
> 
> Testing: eyeballing logs
> 
> -Aleksey
> 

Yep. Ok.

Roman