--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/usr/src/cmd/dtrace/test/tst/common/pragma/tst.temporal2.ksh Wed Jul 25 19:05:31 2012 -0400
@@ -0,0 +1,102 @@
+#!/bin/ksh -p
+#
+# CDDL HEADER START
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source. A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright (c) 2012 by Delphix. All rights reserved.
+#
+
+############################################################################
+# ASSERTION:
+# temporal option causes output to be sorted, even when some
+# buffers are empty
+#
+# SECTION: Pragma
+#
+# NOTES: The temporal option has no effect on a single-CPU system, so
+# this needs to be run on a multi-CPU system to effectively test the
+# temporal option.
+#
+############################################################################
+
+if [ $# != 1 ]; then
+ echo expected one argument: '<'dtrace-path'>'
+ exit 2
+fi
+
+dtrace=$1
+file=/tmp/out.$$
+
+rm -f $file
+
+$dtrace -o $file -s /dev/stdin <<EOF
+ #pragma D option quiet
+ #pragma D option destructive
+ #pragma D option temporal
+ #pragma D option switchrate=1000hz
+
+ /*
+ * Use two enablings of the same probe, so that cpu 0 will always
+ * record its data just a little bit before the other cpus.
+ * We don't want to use the chill() action in the same enabling
+ * that we record the timestamp, because chill() causes the
+ * timestamp to be re-read, and thus not match the timestamp
+ * which libdtrace uses to sort the records.
+ */
+
+ profile-401
+ /cpu == 0/
+ {
+ printf("%d\n", timestamp);
+ }
+
+ profile-401
+ /cpu != 0/
+ {
+ chill(1000); /* one microsecond */
+ }
+
+ profile-401
+ /cpu != 0/
+ {
+ printf("%d\n", timestamp);
+ }
+
+ tick-1s
+ /k++ == 10/
+ {
+ printf("%d\n", timestamp);
+ exit(0);
+ }
+EOF
+
+status=$?
+if [ "$status" -ne 0 ]; then
+ echo $tst: dtrace failed
+ exit $status
+fi
+
+# dtrace outputs a blank line at the end, which will sort to the beginning,
+# so use grep to remove the blank line.
+head -n -1 $file > $file.2
+
+sort -n $file.2 | diff $file.2 -
+status=$?
+if [ "$status" -ne 0 ]; then
+ echo $tst: output is not sorted
+ exit $status
+fi
+
+exit $status