/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2025 Mark Johnston */ /* * For 10s, verify that the value of `ticks goes up by `hz each second. */ #pragma D option quiet BEGIN { i = 0; } tick-1s { if (i == 0) { t = *(int *)&`ticks; i++; } else { u = *(int *)&`ticks; if (u - t != `hz) { printf("ticks: %d, expected %d\n", u - t, `hz); exit(1); } t = u; i++; if (i == 10) { exit(0); } } }