preempt_trace
if (preempt_trace(preempt_count()) || irq_trace())
if (preempt_trace(preempt_count()) || irq_trace())
if (!preempt_trace(preempt_count()) && irq_trace())
if (!preempt_trace(preempt_count()) && irq_trace())
if (preempt_trace(preempt_count()) && !irq_trace())
if (preempt_trace(preempt_count()) && !irq_trace())