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-rw-r--r--src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/vars/rtime.d43
1 files changed, 43 insertions, 0 deletions
diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/vars/rtime.d b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/vars/rtime.d
new file mode 100644
index 00000000..e2db52f3
--- /dev/null
+++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/vars/rtime.d
@@ -0,0 +1,43 @@
+/*
+ * 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.
+ */
+
+syscall::read:entry
+{
+ self->t = timestamp;
+}
+
+syscall::read:return
+/self->t != 0/
+{
+ printf("%d/%d spent %d nsecs in read(2)\n",
+ pid, tid, timestamp - self->t);
+
+ /*
+ * We're done with this thread-local variable; assign zero to it to
+ * allow the DTrace runtime to reclaim the underlying storage.
+ */
+ self->t = 0;
+}