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;
+}