1N/A#!/usr/sbin/dtrace -s
1N/A/*
1N/A * dispqlen.d - dispatcher queue length by CPU.
1N/A * Written using DTrace (Solaris 10 3/05).
1N/A *
1N/A * $Id: dispqlen.d 3 2007-08-01 10:50:08Z brendan $
1N/A *
1N/A * USAGE: dispqlen.d # hit Ctrl-C to end sample
1N/A *
1N/A * NOTES: The dispatcher queue length is an indication of CPU saturation.
1N/A * It is not an indicatior of utilisation - the CPUs may or may not be
1N/A * utilised when the dispatcher queue reports a length of zero.
1N/A *
1N/A * SEE ALSO: uptime(1M)
1N/A *
1N/A * COPYRIGHT: Copyright (c) 2005 Brendan Gregg.
1N/A *
1N/A * CDDL HEADER START
1N/A *
1N/A * The contents of this file are subject to the terms of the
1N/A * Common Development and Distribution License, Version 1.0 only
1N/A * (the "License"). You may not use this file except in compliance
1N/A * with the License.
1N/A *
1N/A * You can obtain a copy of the license at Docs/cddl1.txt
1N/A * or http://www.opensolaris.org/os/licensing.
1N/A * See the License for the specific language governing permissions
1N/A * and limitations under the License.
1N/A *
1N/A * CDDL HEADER END
1N/A *
1N/A * 27-Jun-2005 Brendan Gregg Created this.
1N/A * 14-Feb-2006 " " Last update.
1N/A */
1N/A
1N/A#pragma D option quiet
1N/A
1N/Adtrace:::BEGIN
1N/A{
1N/A printf("Sampling... Hit Ctrl-C to end.\n");
1N/A}
1N/A
1N/Aprofile:::profile-1000hz
1N/A{
1N/A @queue[cpu] =
1N/A lquantize(curthread->t_cpu->cpu_disp->disp_nrunnable, 0, 64, 1);
1N/A}
1N/A
1N/Adtrace:::END
1N/A{
1N/A printa(" CPU %d%@d\n", @queue);
1N/A}