usr/src/cmd/dtrace/test/tst/common/drops/drp.DTRACEDROP_STKSTROVERFLOW.d

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*
  28  * Copyright (c) 2012 by Delphix. All rights reserved.
  29  */
  30
  31 #pragma D option destructive
  32 #pragma D option jstackstrsize=1
  33 #pragma D option quiet
  34
  35 BEGIN
  36 {
  37         /*
  38          * Since some java versions are erroneously compiled with -xlazyload
  39          * and therefore don't activate their ustack() helper by default, we
  40          * use the DTrace helper audit library to activate it.
  41          */
  42         system("LD_AUDIT_32=/usr/lib/dtrace/libdtrace_forceload.so %s",
  43             "java -version");
  44 }
  45
  46 syscall:::entry
  47 {
  48         @[jstack()] = count();
  49 }
  50
  51 proc:::exit
  52 /progenyof($pid) && execname == "java"/
  53 {
  54         exit(0);
  55 }
  56
  57 END
  58 {
  59         printa("\r", @);
  60         printf("\n");
  61 }