1#!/usr/sbin/dtrace -s 2/* 3 * rwbbypid.d - read/write bytes by PID. 4 * Written using DTrace (Solaris 10 3/05) 5 * 6 * This script tracks the bytes read and written at the syscall level 7 * by processes, printing the totals in a report. This is tracking the 8 * successful number of bytes read or written. 9 * 10 * 20-Apr-2006, ver 0.91 11 * 12 * USAGE: rwbbypid.d # hit Ctrl-C to end sample 13 * 14 * FIELDS: 15 * PID process ID 16 * CMD process name 17 * DIR direction, Read or Write 18 * BYTES total bytes 19 * 20 * COPYRIGHT: Copyright (c) 2005, 2006 Brendan Gregg. 21 * 22 * CDDL HEADER START 23 * 24 * The contents of this file are subject to the terms of the 25 * Common Development and Distribution License, Version 1.0 only 26 * (the "License"). You may not use this file except in compliance 27 * with the License. 28 * 29 * You can obtain a copy of the license at Docs/cddl1.txt 30 * or http://www.opensolaris.org/os/licensing. 31 * See the License for the specific language governing permissions 32 * and limitations under the License. 33 * 34 * CDDL HEADER END 35 * 36 * 28-Jun-2005 Brendan Gregg Created this. 37 */ 38 39#pragma D option quiet 40 41dtrace:::BEGIN 42{ 43 printf("Tracing... Hit Ctrl-C to end.\n"); 44} 45 46sysinfo:::readch 47{ 48 @bytes[pid, execname, "R"] = sum(arg0); 49} 50 51sysinfo:::writech 52{ 53 @bytes[pid, execname, "W"] = sum(arg0); 54} 55 56dtrace:::END 57{ 58 printf("%6s %-24s %4s %16s\n", "PID", "CMD", "DIR", "BYTES"); 59 printa("%6d %-24s %4s %@16d\n", @bytes); 60} 61