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-rw-r--r-- | man3/getloadavg.3 | 72 |
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diff --git a/man3/getloadavg.3 b/man3/getloadavg.3 new file mode 100644 index 0000000..5be1ab9 --- /dev/null +++ b/man3/getloadavg.3 @@ -0,0 +1,72 @@ +'\" t +.\" Copyright (c) 1989, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" SPDX-License-Identifier: BSD-3-Clause +.\" +.\" @(#)getloadavg.3 8.1 (Berkeley) 6/4/93 +.\" +.\" 2007-12-08, mtk, Converted from mdoc to man macros +.\" +.TH getloadavg 3 2023-07-20 "Linux man-pages 6.05.01" +.SH NAME +getloadavg \- get system load averages +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include <stdlib.h> +.PP +.BI "int getloadavg(double " loadavg[] ", int " nelem ); +.fi +.PP +.RS -4 +Feature Test Macro Requirements for glibc (see +.BR feature_test_macros (7)): +.RE +.PP +.BR getloadavg (): +.nf + Since glibc 2.19: + _DEFAULT_SOURCE + In glibc up to and including 2.19: + _BSD_SOURCE +.fi +.SH DESCRIPTION +The +.BR getloadavg () +function returns the number of processes in the system run queue +averaged over various periods of time. +Up to +.I nelem +samples are retrieved and assigned to successive elements of +.IR loadavg[] . +The system imposes a maximum of 3 samples, representing averages +over the last 1, 5, and 15 minutes, respectively. +.SH RETURN VALUE +If the load average was unobtainable, \-1 is returned; otherwise, +the number of samples actually retrieved is returned. +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.na +.nh +.BR getloadavg () +T} Thread safety MT-Safe +.TE +.sp 1 +.SH STANDARDS +BSD. +.SH HISTORY +4.3BSD-Reno, Solaris. +glibc 2.2. +.SH SEE ALSO +.BR uptime (1), +.BR proc (5) |