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#!/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
#
# 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 $file -c 'sleep 3' -s /dev/stdin <<EOF
#pragma D option quiet
#pragma D option temporal
BEGIN
{
@lines = count();
printf("0 begin\n");
}
END
{
/* Bump @lines every time we print a line. */
@lines = count();
printf("%u end\n", timestamp);
@lines = count();
printa("99999999999999999 lines %@u\n", @lines);
}
profile-97hz
{
@lines = count();
printf("%u\n", timestamp);
}
EOF
status=$?
if [ "$status" -ne 0 ]; then
echo $tst: dtrace failed
exit $status
fi
# dtrace outputs a blank line at the end, which will sort to the beginning,
# so use sed to remove the blank line.
sed '$d' $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
head -n 1 $file.2 | grep begin >/dev/null
status=$?
if [ "$status" -ne 0 ]; then
echo $tst: begin probe did not fire
exit $status
fi
tail -n 2 $file.2 | grep end >/dev/null
status=$?
if [ "$status" -ne 0 ]; then
echo $tst: end probe did not fire
exit $status
fi
if [ $(tail -n 1 $file.2 | cut -f3 -d ' ') -ne \
$(wc -l $file.2) ]; then
echo $tst: incorrect number of lines output
exit 1
fi
exit $status
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