/* $FreeBSD$ */ /* $NetBSD: rf_hist.h,v 1.3 1999/02/05 00:06:12 oster Exp $ */ /* * rf_hist.h * * Histgram operations for RAIDframe stats */ /* * Copyright (c) 1995 Carnegie-Mellon University. * All rights reserved. * * Author: Jim Zelenka * * Permission to use, copy, modify and distribute this software and * its documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. */ #ifndef _RF__RF_HIST_H_ #define _RF__RF_HIST_H_ #include <dev/raidframe/rf_types.h> #define RF_HIST_RESOLUTION 5 #define RF_HIST_MIN_VAL 0 #define RF_HIST_MAX_VAL 1000 #define RF_HIST_RANGE (RF_HIST_MAX_VAL - RF_HIST_MIN_VAL) #define RF_HIST_NUM_BUCKETS (RF_HIST_RANGE / RF_HIST_RESOLUTION + 1) typedef RF_uint32 RF_Hist_t; #define RF_HIST_ADD(_hist_,_val_) { \ RF_Hist_t val; \ val = ((RF_Hist_t)(_val_)) / 1000; \ if (val >= RF_HIST_MAX_VAL) \ _hist_[RF_HIST_NUM_BUCKETS-1]++; \ else \ _hist_[(val - RF_HIST_MIN_VAL) / RF_HIST_RESOLUTION]++; \ } #endif /* !_RF__RF_HIST_H_ */