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diff --git a/cddl/contrib/dtracetoolkit/Disk/iofile.d b/cddl/contrib/dtracetoolkit/Disk/iofile.d
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--- a/cddl/contrib/dtracetoolkit/Disk/iofile.d
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-#!/usr/sbin/dtrace -s
-/*
- * iofile.d - I/O wait time by filename and process.
- * Written using DTrace (Solaris 10 3/05).
- *
- * This prints the total I/O wait times for each filename by process.
- * This can help determine why an application is performing poorly by
- * identifying which file they are waiting on, and the total times.
- * Both disk and NFS I/O are measured.
- *
- * $Id: iofile.d 3 2007-08-01 10:50:08Z brendan $
- *
- * USAGE: iofile.d # wait, then hit Ctrl-C to end
- *
- * FIELDS:
- * PID Process ID
- * CMD Process name
- * TIME Total wait time for disk events, us
- * FILE File pathname
- *
- * BASED ON: /usr/demo/dtrace/iocpu.d
- *
- * SEE ALSO: iosnoop, iotop
- *
- * PORTIONS: Copyright (c) 2005, 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
- *
- * 24-Jul-2005 Brendan Gregg Created this.
- * 20-Apr-2006 " " Last update.
- */
-
-#pragma D option quiet
-
-/* print header */
-dtrace:::BEGIN
-{
- printf("Tracing... Hit Ctrl-C to end.\n");
-}
-
-/* save time at start */
-io:::wait-start
-{
- self->start = timestamp;
-}
-
-/* process event */
-io:::wait-done
-/self->start/
-{
- /*
- * wait-done is used as we are measing wait times. It also
- * is triggered when the correct thread is on the CPU, obviating
- * the need to link process details to the start event.
- */
- this->elapsed = timestamp - self->start;
- @files[pid, execname, args[2]->fi_pathname] = sum(this->elapsed);
- self->start = 0;
-}
-
-/* print report */
-dtrace:::END
-{
- normalize(@files, 1000);
- printf("%6s %-12s %8s %s\n", "PID", "CMD", "TIME", "FILE");
- printa("%6d %-12.12s %@8d %s\n", @files);
-}