I915_SAMPLE_BUSY
enable &= ~BIT(I915_SAMPLE_BUSY);
(BIT(I915_SAMPLE_BUSY) | \
add_sample(&pmu->sample[I915_SAMPLE_BUSY], period_ns);
add_sample(&pmu->sample[I915_SAMPLE_BUSY], period_ns);
case I915_SAMPLE_BUSY:
} else if (sample == I915_SAMPLE_BUSY &&
__engine_event(I915_SAMPLE_BUSY, "busy"),
__I915_PMU_ENGINE(class, instance, I915_SAMPLE_BUSY)