handle_preempt_enable
rv_attach_trace_probe("opid", preempt_enable, handle_preempt_enable);
rv_detach_trace_probe("opid", preempt_enable, handle_preempt_enable);
rv_attach_trace_probe("scpd", preempt_enable, handle_preempt_enable);
rv_detach_trace_probe("scpd", preempt_enable, handle_preempt_enable);
rv_attach_trace_probe("snep", preempt_enable, handle_preempt_enable);
rv_detach_trace_probe("snep", preempt_enable, handle_preempt_enable);
rv_attach_trace_probe("wip", preempt_enable, handle_preempt_enable);
rv_detach_trace_probe("wip", preempt_enable, handle_preempt_enable);