xref: /illumos-gate/usr/src/test/zfs-tests/tests/functional/threadsappend/threadsappend_001_pos.ksh (revision 48bbca816818409505a6e214d0911fda44e622e3)
1#! /bin/ksh -p
2#
3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
6# Common Development and Distribution License (the "License").
7# You may not use this file except in compliance with the License.
8#
9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10# or http://www.opensolaris.org/os/licensing.
11# See the License for the specific language governing permissions
12# and limitations under the License.
13#
14# When distributing Covered Code, include this CDDL HEADER in each
15# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16# If applicable, add the following below this CDDL HEADER, with the
17# fields enclosed by brackets "[]" replaced with your own identifying
18# information: Portions Copyright [yyyy] [name of copyright owner]
19#
20# CDDL HEADER END
21#
22
23#
24# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
25# Use is subject to license terms.
26#
27
28#
29# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
30#
31
32. $STF_SUITE/include/libtest.shlib
33
34#
35# DESCRIPTION:
36#
37# Ensure multiple threads performing write appends to the same ZFS
38# file succeed.
39#
40# STRATEGY:
41#	1) Verify this is a multi-processor system
42#	2) Create multiple threads with each appending to a file
43#       3) Verify that the resulting file is the expected size
44#
45
46verify_runnable "both"
47
48log_assert "Ensure multiple threads performing write appends to the same" \
49	"ZFS file succeed"
50
51#
52# $FILE_SIZE is hardcoded into threadsappend.c and is the expected
53# size of the file after all the threads have appended to it
54#
55typeset -i FILE_SIZE=1310720
56THREADSAPPEND="$STF_SUITE/tests/functional/threadsappend/threadsappend"
57TESTFILE='testfile-threadsappend'
58
59#
60# This test should be run on a multi-processor system because otherwise the FS
61# will not be concurrently used by the threads
62#
63NCPUS=`psrinfo | wc -l`
64if [[ -z $NCPUS || $NCPUS -le 1 ]]; then
65	 log_fail "This test should be executed on a multi-processor system."
66fi
67
68#
69# zfs_threadsappend tries to append to $TESTFILE using threads
70# so that the resulting file is $FILE_SIZE bytes in size
71#
72log_must $THREADSAPPEND ${TESTDIR}/${TESTFILE}
73
74#
75# Check the size of the resulting file
76#
77SIZE=`ls -l ${TESTDIR}/${TESTFILE} | awk '{print $5}'`
78if [[ $SIZE -ne $FILE_SIZE ]]; then
79	log_fail "'The length of ${TESTDIR}/${TESTFILE}' doesnt equal 1310720."
80fi
81
82log_pass "Multiple thread appends succeeded. File size as expected"
83