BIOHIST_LOG
BIOHIST_LOG(biohist, "waiting bp=%#jx",
BIOHIST_LOG(biohist, "return %jd", bp->b_error, 0, 0, 0);
BIOHIST_LOG(biohist, "callout %#jx", (uintptr_t)callout,
BIOHIST_LOG(biohist, "async", 0, 0, 0, 0);
BIOHIST_LOG(biohist, "wake-up", 0, 0, 0, 0);
BIOHIST_LOG(biohist, "bp=%#jx", (uintptr_t)bp, 0, 0, 0);