diff options
Diffstat (limited to 'src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/sched/whatfor.d')
-rw-r--r-- | src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/sched/whatfor.d | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/sched/whatfor.d b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/sched/whatfor.d new file mode 100644 index 00000000..d8b6edb0 --- /dev/null +++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/sched/whatfor.d @@ -0,0 +1,64 @@ +/* + * 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. + */ + +sched:::off-cpu +/curlwpsinfo->pr_state == SSLEEP/ +{ + /* + * We're sleeping. Track our sobj type. + */ + self->sobj = curlwpsinfo->pr_stype; + self->bedtime = timestamp; +} + +sched:::off-cpu +/curlwpsinfo->pr_state == SRUN/ +{ + self->bedtime = timestamp; +} + +sched:::on-cpu +/self->bedtime && !self->sobj/ +{ + @["preempted"] = quantize(timestamp - self->bedtime); + self->bedtime = 0; +} + +sched:::on-cpu +/self->sobj/ +{ + @[self->sobj == SOBJ_MUTEX ? "kernel-level lock" : + self->sobj == SOBJ_RWLOCK ? "rwlock" : + self->sobj == SOBJ_CV ? "condition variable" : + self->sobj == SOBJ_SEMA ? "semaphore" : + self->sobj == SOBJ_USER ? "user-level lock" : + self->sobj == SOBJ_USER_PI ? "user-level prio-inheriting lock" : + self->sobj == SOBJ_SHUTTLE ? "shuttle" : "unknown"] = + quantize(timestamp - self->bedtime); + + self->sobj = 0; + self->bedtime = 0; +} |