drp.DTRACEDROP_STKSTROVERFLOW.d revision edb348833aaacfa1176e502ad38875fd0b2717ab
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 2012 by Delphix. All rights reserved.
*/
#pragma D option destructive
#pragma D option jstackstrsize=1
#pragma D option quiet
BEGIN
{
/*
* Since some java versions are erroneously compiled with -xlazyload
* and therefore don't activate their ustack() helper by default, we
* use the DTrace helper audit library to activate it.
*/
system("LD_AUDIT_32=/usr/lib/dtrace/libdtrace_forceload.so %s",
"java -version");
}
syscall:::entry
{
@[jstack()] = count();
}
proc:::exit
/progenyof($pid) && execname == "java"/
{
exit(0);
}
END
{
printa("\r", @);
printf("\n");
}