usr/src/cmd/dtrace/demo/struct/kstat.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, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 pid$1:libkstat:kstat_data_lookup:entry
  28 {
  29         self->ksname = arg1;
  30 }
  31
  32 pid$1:libkstat:kstat_data_lookup:return
  33 /self->ksname != NULL && arg1 != NULL/
  34 {
  35         this->ksp = (kstat_named_t *) copyin(arg1, sizeof (kstat_named_t));
  36         printf("%s has ui64 value %u\n",
  37             copyinstr(self->ksname), this->ksp->value.ui64);
  38 }
  39
  40 pid$1:libkstat:kstat_data_lookup:return
  41 /self->ksname != NULL && arg1 == NULL/
  42 {
  43         self->ksname = NULL;
  44 }