#!/bin/ksh -p # # CDDL HEADER START # # The contents of this file are subject to the terms of the # Common Development and Distribution License (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 2008 Sun Microsystems, Inc. All rights reserved. # Use is subject to license terms. # # # Copyright (c) 2013 by Delphix. All rights reserved. # . $STF_SUITE/include/libtest.shlib # # DESCRIPTION: # Verify that the ZFS mdb dcmds and walkers are working as expected. # # STRATEGY: # 1) Given a list of dcmds and walkers # 2) Step through each element of the list # 3) Verify the output by checking for "mdb:" in the output string # function cleanup { $RM -f $OUTFILE } verify_runnable "global" log_onexit cleanup OUTFILE='/var/tmp/mdb-outfile' set -A dcmds "::walk spa" \ "::walk spa | ::spa " \ "::walk spa | ::spa -c" \ "::walk spa | ::spa -v" \ "::walk spa | ::spa_config" \ "::walk spa | ::spa_space" \ "::walk spa | ::spa_space -b" \ "::walk spa | ::spa_vdevs" \ "::walk spa | ::walk metaslab" \ "::walk spa | ::print struct spa spa_root_vdev | ::vdev" \ "::walk spa | ::print struct spa spa_root_vdev | ::vdev -re" \ "::dbufs" \ "::dbufs -n mos -o mdn -l 0 -b 0" \ "::dbufs | ::dbuf" \ "::dbuf_stats" \ "::abuf_find 1 2" \ "::walk spa | ::print -a struct spa spa_uberblock.ub_rootbp | ::blkptr" \ "::walk spa | ::print -a struct spa spa_dsl_pool->dp_dirty_datasets | ::walk txg_list" \ "::walk spa | ::walk zms_freelist" # # The commands above were supplied by the ZFS development team. The idea is to # do as much checking as possible without the need to hardcode addresses. # log_assert "Verify that the ZFS mdb dcmds and walkers are working as expected." typeset -i RET=0 i=0 while (( $i < ${#dcmds[*]} )); do log_note "Verifying: '${dcmds[i]}'" $ECHO "${dcmds[i]}" | $MDB -k > $OUTFILE 2>&1 RET=$? if (( $RET != 0 )); then log_fail "mdb '${dcmds[i]}' returned error $RET" fi # # mdb prefixes all errors with "mdb: " so we check the output. # $GREP "mdb:" $OUTFILE > /dev/null 2>&1 RET=$? if (( $RET == 0 )); then $ECHO "mdb '${dcmds[i]}' contained 'mdb:'" # Using $TAIL limits the number of lines in the log $TAIL -100 $OUTFILE log_fail "mdb walker or dcmd failed" fi ((i = i + 1)) done log_pass "The ZFS mdb dcmds and walkers are working as expected."