diff options
Diffstat (limited to 'cddl/contrib/dtracetoolkit/Disk/iofileb.d')
-rwxr-xr-x | cddl/contrib/dtracetoolkit/Disk/iofileb.d | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/cddl/contrib/dtracetoolkit/Disk/iofileb.d b/cddl/contrib/dtracetoolkit/Disk/iofileb.d new file mode 100755 index 000000000000..e7572f338ad1 --- /dev/null +++ b/cddl/contrib/dtracetoolkit/Disk/iofileb.d @@ -0,0 +1,59 @@ +#!/usr/sbin/dtrace -s +/* + * iofileb.d - I/O bytes by filename and process. + * Written using DTrace (Solaris 10 3/05). + * + * This prints a summary of requested disk activity by pathname, + * providing totals of the I/O events in bytes. It is a companion to the + * iofile.d script - which prints in terms of I/O wait time, not bytes. + * I/O wait time is a better metric for understanding performance issues. + * Both disk and NFS I/O are measured. + * + * $Id: iofileb.d 3 2007-08-01 10:50:08Z brendan $ + * + * USAGE: iofileb.d # wait several seconds, then hit Ctrl-C + * + * FIELDS: + * PID process ID + * CMD command name + * KB Kilobytes of disk I/O + * FILE Full pathname of the file + * + * COPYRIGHT: Copyright (c) 2006 Brendan Gregg. + * + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at Docs/cddl1.txt + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * CDDL HEADER END + * + * 20-Feb-2006 Brendan Gregg Created this. + * 20-Feb-2006 " " Last update. + */ + +#pragma D option quiet + +dtrace:::BEGIN +{ + printf("Tracing... Hit Ctrl-C to end.\n"); +} + +io:::start +{ + @files[pid, execname, args[2]->fi_pathname] = sum(args[0]->b_bcount); +} + +dtrace:::END +{ + normalize(@files, 1024); + printf("%6s %-12s %6s %s\n", "PID", "CMD", "KB", "FILE"); + printa("%6d %-12.12s %@6d %s\n", @files); +} |