usr/src/cmd/dtrace/test/tst/common/speculation/tst.TwoSpecBuffers.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  * Increasing the value of nspec to two should will increase the number of
  32  * speculative buffers to two.
  33  *
  34  * SECTION: Speculative Tracing/Options and Tuning;
  35  *              Options and Tunables/nspec
  36  *
  37  */
  38
  39 #pragma D option quiet
  40 #pragma D option cleanrate=3000hz
  41 #pragma D option nspec=2
  42
  43 BEGIN
  44 {
  45         var1 = 0;
  46         var2 = 0;
  47         var3 = 0;
  48 }
  49
  50 BEGIN
  51 {
  52         var1 = speculation();
  53         printf("Speculation ID: %d\n", var1);
  54         var2 = speculation();
  55         printf("Speculation ID: %d\n", var2);
  56         var3 = speculation();
  57         printf("Speculation ID: %d\n", var3);
  58 }
  59
  60 BEGIN
  61 /var1 && var2 && (!var3)/
  62 {
  63         printf("Succesfully got two speculative buffers");
  64         exit(0);
  65 }
  66
  67 BEGIN
  68 /(!var1) || (!var2) || var3/
  69 {
  70         printf("Test failed");
  71         exit(1);
  72 }
  73
  74 ERROR
  75 {
  76         exit(1);
  77 }