.\" Copyright (c) 1992, 1993
.\" The Regents of the University of California. All rights reserved.
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.\" @(#)kvm_getloadavg.3 8.1 (Berkeley) 6/4/93
.\"
.\" $FreeBSD$
.\"
.Dd June 4, 1993
.Dt KVM_GETLOADAVG 3
.Os
.Sh 名称
.Nm kvm_getloadavg
.Nd システムのロード平均を獲得する
.Sh 書式
.Fd #include <kvm.h>
.Ft int
.Fn kvm_getloadavg "kvm_t *kd" "double loadavg[]" "int nelem"
.Sh 解説
.Fn kvm_getloadavg
関数は、
.Fa kd
で指示されたカーネルのシステム動作待ち行列でのプロセス数を戻します。
この数は種々の時間間隔で平均化されています。最大
.Fa nelem
のサンプルが検索され、
.Fa loadavg Ns Bq
の連続するエレメントに割り当てられます。
システムは最大 3 個のサンプルを押し付けます。
これらのサンプルは別々の最後の
1 分、5 分、15 分での平均を表わしています。
.Sh 診断
ロード平均が獲得できなければ、\-1 が戻ります。
そうでなければ、実際に検索されたサンプル数が戻ります。
.Sh 関連項目
.Xr uptime 1 ,
.Xr getloadavg 3 ,
.Xr kvm 3
