RFR: 8199519: Several GC tests fails with: java.lang.NumberFormatException: Unparseable number: "-"

[Yasumasa Suenaga]

Hi all,

Please review this change:

    JBS: https://bugs.openjdk.java.net/browse/JDK-8199519
webrev: cr.openjdk.java.net/~ysuenaga/JDK-8199519/webrev.00/

After JDK-8153333, some jstat tests are failed because GCT in jstat output is dash (-) if garbage collector is not concurrent collector e.g. Serial GC.
I fixed that GCT can be calculated correctly.

This change has been tested on Mach5 by Stefan.


Thanks,

Yasumasa