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#!/usr/sbin/dtrace -s
/*
* mmapfiles.d - mmap'd files by process.
* Written using DTrace (Solaris 10 3/05).
*
* $Id: mmapfiles.d 14 2007-09-11 08:03:35Z brendan $
*
* USAGE: mmapfiles.d # hit Ctrl-C to end sample
*
* FIELDS:
* MMAPS number of mmaps
* CMD process name
* PATHNAME pathname of mmap'd file
*
* COPYRIGHT: 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
*
* 18-Oct-2005 Brendan Gregg Created this.
* 20-Apr-2006 " " Last update.
*/
#pragma D option quiet
dtrace:::BEGIN
{
printf("Tracing... Hit Ctrl-C to end.\n");
}
syscall::mmap:entry
/(int)arg4 > 0/
{
/*
* Fetch filename
*/
this->filep = curthread->t_procp->p_user.u_finfo.fi_list[arg4].uf_file;
this->vnodep = this->filep != 0 ? this->filep->f_vnode : 0;
self->vpath = this->vnodep ? (this->vnodep->v_path != 0 ?
cleanpath(this->vnodep->v_path) : "<unknown>") : "<unknown>";
/* Store Details */
@hits[execname, self->vpath] = count();
}
dtrace:::END
{
/* Print Details */
printf("%5s %-16s %s\n", "MMAPS", "CMD", "PATHNAME");
printa("%@5d %-16s %s\n", @hits);
}
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