1*dc4f0af1Szrj /* 2*dc4f0af1Szrj * Copyright (c) 1984 through 2008, William LeFebvre 3*dc4f0af1Szrj * All rights reserved. 4*dc4f0af1Szrj * 5*dc4f0af1Szrj * Redistribution and use in source and binary forms, with or without 6*dc4f0af1Szrj * modification, are permitted provided that the following conditions are met: 7*dc4f0af1Szrj * 8*dc4f0af1Szrj * * Redistributions of source code must retain the above copyright 9*dc4f0af1Szrj * notice, this list of conditions and the following disclaimer. 10*dc4f0af1Szrj * 11*dc4f0af1Szrj * * Redistributions in binary form must reproduce the above 12*dc4f0af1Szrj * copyright notice, this list of conditions and the following disclaimer 13*dc4f0af1Szrj * in the documentation and/or other materials provided with the 14*dc4f0af1Szrj * distribution. 15*dc4f0af1Szrj * 16*dc4f0af1Szrj * * Neither the name of William LeFebvre nor the names of other 17*dc4f0af1Szrj * contributors may be used to endorse or promote products derived from 18*dc4f0af1Szrj * this software without specific prior written permission. 19*dc4f0af1Szrj * 20*dc4f0af1Szrj * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21*dc4f0af1Szrj * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22*dc4f0af1Szrj * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23*dc4f0af1Szrj * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24*dc4f0af1Szrj * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25*dc4f0af1Szrj * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26*dc4f0af1Szrj * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27*dc4f0af1Szrj * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28*dc4f0af1Szrj * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29*dc4f0af1Szrj * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30*dc4f0af1Szrj * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31*dc4f0af1Szrj */ 32*dc4f0af1Szrj 33*dc4f0af1Szrj /* 34*dc4f0af1Szrj * Top - a top users display for Berkeley Unix 35*dc4f0af1Szrj * 36*dc4f0af1Szrj * Defines required to access load average figures. 37*dc4f0af1Szrj * 38*dc4f0af1Szrj * This include file sets up everything we need to access the load average 39*dc4f0af1Szrj * values in the kernel in a machine independent way. First, it sets the 40*dc4f0af1Szrj * typedef "load_avg" to be either double or long (depending on what is 41*dc4f0af1Szrj * needed), then it defines these macros appropriately: 42*dc4f0af1Szrj * 43*dc4f0af1Szrj * loaddouble(la) - convert load_avg to double. 44*dc4f0af1Szrj * intload(i) - convert integer to load_avg. 45*dc4f0af1Szrj */ 46*dc4f0af1Szrj 47*dc4f0af1Szrj /* 48*dc4f0af1Szrj * We assume that if FSCALE is defined, then avenrun and ccpu are type long. 49*dc4f0af1Szrj * If your machine is an exception (mips, perhaps?) then make adjustments 50*dc4f0af1Szrj * here. 51*dc4f0af1Szrj * 52*dc4f0af1Szrj * Defined types: load_avg for load averages, pctcpu for cpu percentages. 53*dc4f0af1Szrj */ 54*dc4f0af1Szrj #if defined(mips) && !defined(NetBSD) 55*dc4f0af1Szrj # include <sys/fixpoint.h> 56*dc4f0af1Szrj # if defined(FBITS) && !defined(FSCALE) 57*dc4f0af1Szrj # define FSCALE (1 << FBITS) /* mips */ 58*dc4f0af1Szrj # endif 59*dc4f0af1Szrj #endif 60*dc4f0af1Szrj 61*dc4f0af1Szrj #ifdef FSCALE 62*dc4f0af1Szrj # define FIXED_LOADAVG FSCALE 63*dc4f0af1Szrj # define FIXED_PCTCPU FSCALE 64*dc4f0af1Szrj #endif 65*dc4f0af1Szrj 66*dc4f0af1Szrj #ifdef ibm032 67*dc4f0af1Szrj # undef FIXED_LOADAVG 68*dc4f0af1Szrj # undef FIXED_PCTCPU 69*dc4f0af1Szrj # define FIXED_PCTCPU PCT_SCALE 70*dc4f0af1Szrj #endif 71*dc4f0af1Szrj 72*dc4f0af1Szrj 73*dc4f0af1Szrj #ifdef FIXED_PCTCPU 74*dc4f0af1Szrj typedef long pctcpu; 75*dc4f0af1Szrj # define pctdouble(p) ((double)(p) / FIXED_PCTCPU) 76*dc4f0af1Szrj #else 77*dc4f0af1Szrj typedef double pctcpu; 78*dc4f0af1Szrj # define pctdouble(p) (p) 79*dc4f0af1Szrj #endif 80*dc4f0af1Szrj 81*dc4f0af1Szrj #ifdef FIXED_LOADAVG 82*dc4f0af1Szrj typedef long load_avg; 83*dc4f0af1Szrj # define loaddouble(la) ((double)(la) / FIXED_LOADAVG) 84*dc4f0af1Szrj # define intload(i) ((int)((i) * FIXED_LOADAVG)) 85*dc4f0af1Szrj #else 86*dc4f0af1Szrj typedef double load_avg; 87*dc4f0af1Szrj # define loaddouble(la) (la) 88*dc4f0af1Szrj # define intload(i) ((double)(i)) 89*dc4f0af1Szrj #endif 90