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Annotation of 43BSDReno/lib/libutil/getloadavg.3, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1989 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" Redistribution and use in source and binary forms are permitted provided
        !             5: .\" that: (1) source distributions retain this entire copyright notice and
        !             6: .\" comment, and (2) distributions including binaries display the following
        !             7: .\" acknowledgement:  ``This product includes software developed by the
        !             8: .\" University of California, Berkeley and its contributors'' in the
        !             9: .\" documentation or other materials provided with the distribution and in
        !            10: .\" all advertising materials mentioning features or use of this software.
        !            11: .\" Neither the name of the University nor the names of its contributors may
        !            12: .\" be used to endorse or promote products derived from this software without
        !            13: .\" specific prior written permission.
        !            14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            17: .\"
        !            18: .\"    @(#)getloadavg.3        6.2 (Berkeley) 6/23/90
        !            19: .\"
        !            20: .TH GETLOADAVG 3  "June 23, 1990"
        !            21: .UC 7
        !            22: .SH NAME
        !            23: getloadavg \- get system load averages
        !            24: .SH SYNOPSIS
        !            25: .nf
        !            26: .B getloadavg(loadavg, nelem)
        !            27: .B double loadavg[nelem];
        !            28: .B int nelem;
        !            29: .fi
        !            30: .SH DESCRIPTION
        !            31: .I Getloadavg
        !            32: returns the number of processes in the system run queue
        !            33: averaged over various periods of time.  Up to
        !            34: .I nelem
        !            35: samples are retrieved and assigned to successive elements of
        !            36: .I loadavg[].
        !            37: The system imposes a maximum of 3 samples, representing averages
        !            38: over the last 1, 5, and 15 minutes, respectively.
        !            39: .SH "SEE ALSO"
        !            40: uptime(1), nlist(3), kmem(4)
        !            41: .SH DIAGNOSTICS
        !            42: If the load average was unobtainable, \-1 is returned; otherwise,
        !            43: the number of samples actually retrieved is returned.
        !            44: .SH BUGS
        !            45: Programs using this utility must have read permission on
        !            46: .I /dev/kmem.
        !            47: This restriction will eventually be lifted.

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