266 	uint64_t delta;  in modstat_compute()  local
304 	 * Compute the elapsed time by taking the delta between 'snaptime', or  in modstat_compute()
306 	 * If delta is zero, set it to 1sec so we don't divide by zero later.  in modstat_compute()
308 	delta = u64delta(old->snaptime.fmds_value.ui64 ?  in modstat_compute()
312 	elapsed = delta ? (double)delta : (double)NANOSEC;  in modstat_compute()
315 	 * Compute average wait queue len by taking the delta in the wait queue  in modstat_compute()
318 	delta = u64delta(old->wlentime.fmds_value.ui64,  in modstat_compute()
321 	if (delta != 0)  in modstat_compute()
322 		mp->m_wait = (double)delta / elapsed;  in modstat_compute()
327 	 * Compute average wait time by taking the delta in the wait queue time  in modstat_compute()
328 	 * (wtime) and dividing by the delta in the number of dispatches.  in modstat_compute()
330 	delta = u64delta(old->dispatched.fmds_value.ui64,  in modstat_compute()
333 	if (delta != 0) {  in modstat_compute()
335 		    new->wtime.fmds_value.ui64) / (double)delta;  in modstat_compute()
340 	 * Compute average dispatch time by taking the delta in the dispatch  in modstat_compute()
341 	 * time (dtime) and dividing by the delta in the number of dequeues.  in modstat_compute()
343 	delta = u64delta(old->dequeued.fmds_value.ui64,  in modstat_compute()
346 	if (delta != 0) {  in modstat_compute()
348 		    new->dtime.fmds_value.ui64) / (double)delta;  in modstat_compute()
359 	 * Compute the %wait and %busy times by taking the delta in wait and  in modstat_compute()
362 	delta = u64delta(old->wtime.fmds_value.ui64,  in modstat_compute()
365 	if (delta != 0)  in modstat_compute()
366 		mp->m_pct_w = ((double)delta / elapsed) * 100.0;  in modstat_compute()
370 	delta = u64delta(old->dtime.fmds_value.ui64,  in modstat_compute()
373 	if (delta != 0)  in modstat_compute()
374 		mp->m_pct_b = ((double)delta / elapsed) * 100.0;  in modstat_compute()
637 	    "NAME", ">N", "T", "CNT", "DELTA", "STAT");  in stat_mod_serd()