Heads-up: profiler UX changes

[Aleksey Shipilev]

On 06/10/2015 11:00 PM, Vladimir Sitnikov wrote:
> java -jar benchmarks.jar -prof perfasm:help and -prof stack:help from
> jmh-samples/target resulted in
> 
> ERROR: org.openjdk.jmh.runner.RunnerException: Some profilers have
> failed to initialize
> at org.openjdk.jmh.runner.Runner.internalRun(Runner.java:209)
> at org.openjdk.jmh.runner.Runner.run(Runner.java:178)
> at org.openjdk.jmh.Main.main(Main.java:69)
> 
> However the help itself looks wonderful.

But it printed the help before failing with "ERROR", right? We should
shun the error message in this case.

Thanks,
-Aleksey.