1*2633Sahl /* 2*2633Sahl * CDDL HEADER START 3*2633Sahl * 4*2633Sahl * The contents of this file are subject to the terms of the 5*2633Sahl * Common Development and Distribution License (the "License"). 6*2633Sahl * You may not use this file except in compliance with the License. 7*2633Sahl * 8*2633Sahl * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*2633Sahl * or http://www.opensolaris.org/os/licensing. 10*2633Sahl * See the License for the specific language governing permissions 11*2633Sahl * and limitations under the License. 12*2633Sahl * 13*2633Sahl * When distributing Covered Code, include this CDDL HEADER in each 14*2633Sahl * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*2633Sahl * If applicable, add the following below this CDDL HEADER, with the 16*2633Sahl * fields enclosed by brackets "[]" replaced with your own identifying 17*2633Sahl * information: Portions Copyright [yyyy] [name of copyright owner] 18*2633Sahl * 19*2633Sahl * CDDL HEADER END 20*2633Sahl */ 21*2633Sahl 22*2633Sahl /* 23*2633Sahl * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24*2633Sahl * Use is subject to license terms. 25*2633Sahl */ 26*2633Sahl 27*2633Sahl #pragma ident "%Z%%M% %I% %E% SMI" 28*2633Sahl 29*2633Sahl /* 30*2633Sahl * ASSERTION: 31*2633Sahl * Verify doc example 7-1 32*2633Sahl * 33*2633Sahl * SECTION: 34*2633Sahl * DocExamples/rwinfo 35*2633Sahl */ 36*2633Sahl 37*2633Sahl 38*2633Sahl #pragma D option quiet 39*2633Sahl 40*2633Sahl struct callinfo { 41*2633Sahl uint64_t ts; 42*2633Sahl uint64_t elapsed; 43*2633Sahl uint64_t calls; 44*2633Sahl size_t maxbytes; 45*2633Sahl }; 46*2633Sahl 47*2633Sahl struct callinfo i[string]; 48*2633Sahl 49*2633Sahl syscall::read:entry, 50*2633Sahl syscall::write:entry 51*2633Sahl /pid == 100551/ 52*2633Sahl { 53*2633Sahl i[probefunc].ts = timestamp; 54*2633Sahl i[probefunc].calls++; 55*2633Sahl i[probefunc].maxbytes = arg2 > i[probefunc].maxbytes ? 56*2633Sahl arg2 : i[probefunc].maxbytes; 57*2633Sahl } 58*2633Sahl 59*2633Sahl syscall::read:return, 60*2633Sahl syscall::write:return 61*2633Sahl /i[probefunc].ts != 0 && pid == 100551/ 62*2633Sahl { 63*2633Sahl i[probefunc].elapsed += timestamp - i[probefunc].ts; 64*2633Sahl } 65*2633Sahl 66*2633Sahl END 67*2633Sahl { 68*2633Sahl printf(" calls max bytes elapsed nsecs\n"); 69*2633Sahl printf("----- ----- --------- -------------\n"); 70*2633Sahl printf(" read %5d %9d %d\n", i["read"].calls, 71*2633Sahl i["read"].maxbytes, i["read"].elapsed); 72*2633Sahl printf(" write %5d %9d %d\n", i["write"].calls, 73*2633Sahl i["write"].maxbytes, i["write"].elapsed); 74*2633Sahl } 75