diff options
Diffstat (limited to 'cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/speculation/bug.1001148.SpecSizeVariations.d')
-rw-r--r-- | cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/speculation/bug.1001148.SpecSizeVariations.d | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/speculation/bug.1001148.SpecSizeVariations.d b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/speculation/bug.1001148.SpecSizeVariations.d new file mode 100644 index 0000000..318a2d0 --- /dev/null +++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/speculation/bug.1001148.SpecSizeVariations.d @@ -0,0 +1,87 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2006 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +/* + * ASSERTION: + * Verify the behavior of variations in specsize. + * + * SECTION: Speculative Tracing/Options and Tuning; + * Options and Tunables/specsize + * + * BUG: 1001148 + * + * NOTES: This code has four different behaviors. + * 1. 0 < specsize < 8 + * 2. 8 <= specsize <= 39 || 0 == specsize + * 3. 40 <= specsize + * 4. 0 > specsize + * + */ + +#pragma D option quiet +#pragma D option specsize=10 + +BEGIN +{ + self->speculateFlag = 0; + self->commitFlag = 0; + self->spec = speculation(); + printf("Speculative buffer ID: %d\n", self->spec); +} + +BEGIN +{ + speculate(self->spec); + printf("Lots of data\n"); + printf("Has to be crammed into this buffer\n"); + printf("Until it overflows\n"); + printf("And causes flops\n"); + self->speculateFlag++; + +} + +BEGIN +/1 <= self->speculateFlag/ +{ + commit(self->spec); + self->commitFlag++; +} + +BEGIN +/1 <= self->commitFlag/ +{ + printf("Statement was executed\n"); + exit(0); +} + +BEGIN +/1 > self->commitFlag/ +{ + printf("Statement wasn't executed\n"); + exit(1); +} |