The software described in this documentation is either in Extended Support or Sustaining Support. See https://www.oracle.com/us/support/library/enterprise-linux-support-policies-069172.pdf for more information.
Oracle recommends that you upgrade the software described by this documentation as soon as possible.

2.2.16 DTrace Issues

  • Support for DTrace is only available for UEK R4. To use DTrace, you must have the ol6_x86_64_UEKR4 and ol6_x86_64_UEKR4_DTrace_userspace channels enabled for ULN.

  • Using kill -9 to terminate dtrace can leave breakpoints outstanding in processes being traced, which might sooner or later kill them.

  • The following compiler warning can be ignored for static probe definition arguments of type string (which is a D type but not a C type):

    provider_def.h:line#: warning: parameter names (without types) in function declaration