diff options
Diffstat (limited to 'src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/sched/whererun.d')
-rw-r--r-- | src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/sched/whererun.d | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/sched/whererun.d b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/sched/whererun.d new file mode 100644 index 00000000..ddd13f75 --- /dev/null +++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/sched/whererun.d @@ -0,0 +1,60 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (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 2005 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma D option quiet + +dtrace:::BEGIN +{ + start = timestamp; +} + +sched:::on-cpu +/execname == $$1/ +{ + self->ts = timestamp; +} + +sched:::off-cpu +/self->ts/ +{ + @[cpu] = sum(timestamp - self->ts); + self->ts = 0; +} + +profile:::tick-1sec +/++x == 10/ +{ + exit(0); +} + +dtrace:::END +{ + printf("CPU distribution over %d seconds:\n\n", + (timestamp - start) / 1000000000); + printf("CPU microseconds\n--- ------------\n"); + normalize(@, 1000); + printa("%3d %@d\n", @); +} |