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-rw-r--r--src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/agg/dateprof.d52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/agg/dateprof.d b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/agg/dateprof.d
new file mode 100644
index 00000000..19a63c5e
--- /dev/null
+++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/agg/dateprof.d
@@ -0,0 +1,52 @@
+/*
+ * 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::exec:return,
+syscall::exece:return
+/execname == "date"/
+{
+ self->start = vtimestamp;
+}
+
+syscall:::entry
+/self->start/
+{
+ /*
+ * We linearly quantize on the current virtual time minus our
+ * process's start time. We divide by 1000 to yield microseconds
+ * rather than nanoseconds. The range runs from 0 to 10 milliseconds
+ * in steps of 100 microseconds; we expect that no date(1) process
+ * will take longer than 10 milliseconds to complete.
+ */
+ @["system calls over time"] =
+ lquantize((vtimestamp - self->start) / 1000, 0, 10000, 100);
+}
+
+syscall::rexit:entry
+/self->start/
+{
+ self->start = 0;
+}