usr/src/cmd/dtrace/test/tst/common/docsExamples/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 (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 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 /*
  30  * ASSERTION:
  31  *      Verify doc example 7-3
  32  *
  33  * SECTION:
  34  *      DocExamples/kstat
  35  */
  36
  37
  38 #pragma D option quiet
  39
  40 pid$1:libkstat:kstat_data_lookup:entry
  41 {
  42         self->ksname = arg1;
  43 }
  44
  45 pid$1:libkstat:kstat_data_lookup:return
  46 /self->ksname != NULL && arg1 != NULL/
  47 {
  48         this->str = copyinstr(self->ksname);
  49         this->ksp = (kstat_named_t *)copyin(arg1, sizeof (kstat_named_t));
  50         printf("%s has ui64 value %u\n", this->str, this->ksp->value.ui64);
  51 }
  52
  53 pid$1:libkstat:kstat_data_lookup:return
  54 /self->ksname != NULL && arg1 == NULL/
  55 {
  56         self->ksname = NULL;
  57 }