1N/A#!/usr/sbin/dtrace -s
1N/A/*
1N/A * rwbypid.d - read/write calls by PID.
1N/A * Written using DTrace (Solaris 10 3/05)
1N/A *
1N/A * This script tracks the number of reads and writes at the syscall level
1N/A * by processes, printing the totals in a report. This matches reads
1N/A * and writes whether they succeed or not.
1N/A *
1N/A * $Id: rwbypid.d 3 2007-08-01 10:50:08Z brendan $
1N/A *
1N/A * USAGE: rwbypid.d # hit Ctrl-C to end sample
1N/A *
1N/A * FIELDS:
1N/A * PID process ID
1N/A * CMD process name
1N/A * DIR Read or Write
1N/A * COUNT total calls
1N/A *
1N/A * COPYRIGHT: Copyright (c) 2005, 2006 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 * 28-Jun-2005 Brendan Gregg Created this.
1N/A * 20-Apr-2006 " " Last update.
1N/A */
1N/A
1N/A#pragma D option quiet
1N/A
1N/Adtrace:::BEGIN
1N/A{
1N/A printf("Tracing... Hit Ctrl-C to end.\n");
1N/A}
1N/A
1N/Asyscall::*read*:entry
1N/A{
1N/A @calls[pid, execname, "R"] = sum(arg0);
1N/A}
1N/A
1N/Asyscall::*write*:entry
1N/A{
1N/A @calls[pid, execname, "W"] = sum(arg0);
1N/A}
1N/A
1N/Adtrace:::END
1N/A{
1N/A printf("%6s %-24s %4s %8s\n", "PID", "CMD", "DIR", "COUNT");
1N/A printa("%6d %-24s %4s %@8d\n", @calls);
1N/A}