/* * Copyright (c) 1984 through 2008, William LeFebvre * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * * Neither the name of William LeFebvre nor the names of other * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * Top - a top users display for Berkeley Unix * * Defines required to access load average figures. * * This include file sets up everything we need to access the load average * values in the kernel in a machine independent way. First, it sets the * typedef "load_avg" to be either double or long (depending on what is * needed), then it defines these macros appropriately: * * loaddouble(la) - convert load_avg to double. * intload(i) - convert integer to load_avg. */ /* * We assume that if FSCALE is defined, then avenrun and ccpu are type long. * If your machine is an exception (mips, perhaps?) then make adjustments * here. * * Defined types: load_avg for load averages, pctcpu for cpu percentages. */ #if defined(mips) && !defined(NetBSD) # include <sys/fixpoint.h> # if defined(FBITS) && !defined(FSCALE) # define FSCALE (1 << FBITS) /* mips */ # endif #endif #ifdef FSCALE # define FIXED_LOADAVG FSCALE # define FIXED_PCTCPU FSCALE #endif #ifdef ibm032 # undef FIXED_LOADAVG # undef FIXED_PCTCPU # define FIXED_PCTCPU PCT_SCALE #endif #ifdef FIXED_PCTCPU typedef long pctcpu; # define pctdouble(p) ((double)(p) / FIXED_PCTCPU) #else typedef double pctcpu; # define pctdouble(p) (p) #endif #ifdef FIXED_LOADAVG typedef long load_avg; # define loaddouble(la) ((double)(la) / FIXED_LOADAVG) # define intload(i) ((int)((i) * FIXED_LOADAVG)) #else typedef double load_avg; # define loaddouble(la) (la) # define intload(i) ((double)(i)) #endif |