diff options
Diffstat (limited to '')
-rw-r--r-- | src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/speculation/tst.SpeculationDiscard.d | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/speculation/tst.SpeculationDiscard.d b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/speculation/tst.SpeculationDiscard.d new file mode 100644 index 00000000..4ac0e236 --- /dev/null +++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/speculation/tst.SpeculationDiscard.d @@ -0,0 +1,74 @@ +/* + * 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 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +/* + * ASSERTION: Test the normal behavior of speculate() and discard(). + * + * SECTION: Speculative Tracing/Discarding a Speculation; + * Options and Tunables/cleanrate + * + */ +#pragma D option quiet +#pragma D option cleanrate=2000hz + +BEGIN +{ + self->var = speculation(); + printf("Speculation ID: %d\n", self->var); + self->speculate = 0; + self->discard = 0; +} + +BEGIN +/1 > self->speculate/ +{ + speculate(self->var); + self->speculate++; + printf("Called speculate on id: %d\n", self->var); +} + +BEGIN +/1 <= self->speculate/ +{ + discard(self->var); + self->discard++; +} + +BEGIN +/(1 == self->discard)/ +{ + printf("Succesfully tested buffer discard\n"); + exit(0); +} + +BEGIN +/(0 == self->discard)/ +{ + printf("Failed to discard buffer\n"); + exit(1); +} |