fail when gc runs during benchmarks

[GoogleCodeExporter]

Caliper should fail if GC runs during a benchmark, unless explicitly requested 
otherwise.

Original issue reported on code.google.com by fry@google.com on 16 Feb 2012 at 5:13

[GoogleCodeExporter]

Also perfectly willing to consider warning instead of failing.

Original comment by kevinb@google.com on 21 Mar 2012 at 6:45

[GoogleCodeExporter]

GC during measurement triggers a warning.  Hotspot compilation does as well.

Original comment by gak@google.com on 18 Oct 2012 at 11:54

• Changed state: Fixed