TRACESPINNING in taskqueue.hpp

[Thomas Schatzl]

Hi Yumin,

On Tue, 2017-02-14 at 08:43 -0800, yumin qi wrote:
> Hi,
> 
>   In file taskqueue.hpp, first #undef  TRACESPINNING
>   The next whatever in #ifdef TRACESPINNING will not be included in
> build.
> 
>   Any comment?

  not sure what you are asking here.

Apparently anyone interested in using this code is supposed to change
the #undef to #define. Similar to other performance debug code in
hotspot.

Thanks,
  Thomas