1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate syscall::exec:return, 28*0Sstevel@tonic-gate syscall::exece:return 29*0Sstevel@tonic-gate /execname == "date"/ 30*0Sstevel@tonic-gate { 31*0Sstevel@tonic-gate self->start = vtimestamp; 32*0Sstevel@tonic-gate } 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate syscall:::entry 35*0Sstevel@tonic-gate /self->start/ 36*0Sstevel@tonic-gate { 37*0Sstevel@tonic-gate /* 38*0Sstevel@tonic-gate * We linearly quantize on the current virtual time minus our 39*0Sstevel@tonic-gate * process's start time. We divide by 1000 to yield microseconds 40*0Sstevel@tonic-gate * rather than nanoseconds. The range runs from 0 to 10 milliseconds 41*0Sstevel@tonic-gate * in steps of 100 microseconds; we expect that no date(1) process 42*0Sstevel@tonic-gate * will take longer than 10 milliseconds to complete. 43*0Sstevel@tonic-gate */ 44*0Sstevel@tonic-gate @["system calls over time"] = 45*0Sstevel@tonic-gate lquantize((vtimestamp - self->start) / 1000, 0, 10000, 100); 46*0Sstevel@tonic-gate } 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate syscall::rexit:entry 49*0Sstevel@tonic-gate /self->start/ 50*0Sstevel@tonic-gate { 51*0Sstevel@tonic-gate self->start = 0; 52*0Sstevel@tonic-gate } 53