usr/src/cmd/dtrace/test/tst/common/speculation/tst.DataRecAftDiscard.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 2007 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  * Data recording actions may follow discard.
  32  *
  33  * SECTION: Speculative Tracing/Discarding a Speculation;
  34  *      Options and Tunables/cleanrate
  35  */
  36 #pragma D option quiet
  37 #pragma D option cleanrate=2000hz
  38
  39 BEGIN
  40 {
  41         self->speculateFlag = 0;
  42         self->discardFlag = 0;
  43         self->spec = speculation();
  44 }
  45
  46 BEGIN
  47 /self->spec/
  48 {
  49         speculate(self->spec);
  50         printf("Called speculate with id: %d\n", self->spec);
  51         self->speculateFlag++;
  52 }
  53
  54 BEGIN
  55 /(self->spec) && (self->speculateFlag)/
  56 {
  57         discard(self->spec);
  58         self->discardFlag++;
  59         printf("Data recording after discard\n");
  60 }
  61
  62 BEGIN
  63 /self->discardFlag/
  64 {
  65         exit(0);
  66 }
  67
  68 BEGIN
  69 /!self->discardFlag/
  70 {
  71         exit(1);
  72 }
  73
  74 ERROR
  75 {
  76         exit(1);
  77 }