/var/lib/pcp/testsuite/common.gfs2 is in pcp-testsuite 3.8.12ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Common pre-test checking and settings for GFS2 QA. Handles setup for
# the basic environment needed for GFS2 pmda testing.
#
# Copyright (c) 2013 Red Hat, Inc. All Rights Reserved.
#
# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check
_gfs2_filesystem_support_tests()
{
[ $PCP_VER -ge 3611 ] || _notrun "Installed pcp version is too old"
[ $PCP_PLATFORM = linux ] || _notrun "GFS2 test, only works with Linux"
grep gfs2 /proc/filesystems >/dev/null
if [ $? -ne 0 ]; then
$sudo modprobe gfs2
if [ $? -ne 0 ]; then
_notrun "no GFS2 module to load and not builtin"
fi
grep gfs2 /proc/filesystems >/dev/null
if [ $? -ne 0 ]; then
_notrun "failed to load the gfs2 module successfully, sorry"
fi
fi
if ! type "mkfs.gfs2" > /dev/null; then
_notrun "mkfs.gfs2 not found, please install gfs2-utils"
fi
}
_debugfs_mount_tests()
{
if [ ! -d /sys/kernel/debug/gfs2/ ]; then
$sudo mount -t debugfs none /sys/kernel/debug
if [ ! -d /sys/kernel/debug/gfs2/ ]; then
_notrun "debugfs not mounted and have been unable to mount debugfs"
fi
fi
}
_gfs2_tracepoints_support_tests()
{
[ -d /sys/kernel/debug/tracing/events/gfs2 ] || \
_notrun "No kernel support for GFS2 tracepoint stats"
}
_gfs2_filter_pminfo()
{
# The order in which loop device paths are evaluated is non-deterministic
# but that's ok; we just want to check both are found and have some value
#
tee -a $here/$seq.full | sed \
-e 's/value [0-9][0-9]*/value NUMBER/' \
-e 's/"loop[01]"/"loopN"/g'
}
_pmcount()
{
pminfo $1 | grep -c .
}
_filter_gfs2()
{
sed -e 's/ and [0-9[0-9]* values/ and N values/g'
}
_setup_gfs2_mounts()
{
# create a couple of filesystems on sparse files, mount.
for fs in 1 0
do
echo "creating pseudo device $fs"
dd of=$tmp.loop$fs if=/dev/zero bs=1048576 seek=1024 count=1 2>/dev/null
echo "creating a mount point $fs"
mkfs.gfs2 -O -p lock_nolock -j 1 $tmp.loop$fs >/dev/null
echo "creating device file $fs"
$sudo losetup /dev/loop$fs $tmp.loop$fs
echo "creating a mount point $fs"
mkdir -p $tmp.mount$fs.dir
echo "mounting pseudo device $fs"
$sudo mount -t gfs2 /dev/loop$fs $tmp.mount$fs.dir
done
}
_setup_gfs2_tracepoints()
{
enable_tracing=$1
[ "X$enable_tracing" == X ] && enable_tracing=false
file=/sys/kernel/debug/tracing/events/gfs2/enable
[ -f $file ] || _notrun "Cannot enable gfs2 tracepoints"
$enable_tracing || continue
echo "enabling gfs2 tracepoints"
$sudo sh -c "echo 1 > $file"
}
_install_pmda()
{
# install the PMDA
cd $PCP_PMDAS_DIR/$iam
$sudo ./Remove < /dev/null >/dev/null 2>&1
$sudo ./Install < /dev/null >$tmp.out 2>&1
cat $tmp.out | _filter_pmda_install | sed \
-e '/.*pmcd.*/d' \
-e '/.*pmlogger.*/d' \
-e '/Latest.*/d' \
-e '/Duplicate.*/d'
}
_remove_pmda()
{
cd $PCP_PMDAS_DIR/$iam
$sudo ./Remove < /dev/null > /dev/null 2>&1
}
_cleanup()
{
for fs in 0 1
do
$sudo umount $tmp.mount$fs.dir
$sudo losetup -d /dev/loop$fs
done
_restore_pmda_install $iam
$sudo rm -fr $tmp.*.dir
$sudo rm -f $tmp.*
exit $status
}
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