blob: cdd0c255cf60e00cbff5bb59c06fcbeadd598e05 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
#!/bin/bash
#
# Mount a gocryptfs filesystem somewhere on /tmp, then run two parallel
# infinite loops inside that do the following:
# 1) Extract linux-3.0.tar.gz
# 2) Verify the md5sums
# 3) Delete, go to (1)
#
# This test is good at discovering inode-related memory leaks because it creates
# huge numbers of files.
#
# See Documentation/extractloop.md for example output.
if [[ -z $TMPDIR ]]; then
TMPDIR=/var/tmp
export TMPDIR
fi
set -eu
# Run at low priority to not annoy the user too much
renice 19 $$
cd "$(dirname "$0")"
MD5="$PWD/linux-3.0.md5sums"
MYNAME=$(basename "$0")
source ../fuse-unmount.bash
# Setup dirs
../dl-linux-tarball.bash
cd $TMPDIR
EXTRACTLOOP_TMPDIR=$TMPDIR/extractloop_tmpdir
mkdir -p $EXTRACTLOOP_TMPDIR
CRYPT=$(mktemp -d $EXTRACTLOOP_TMPDIR/XXX)
CSV=$CRYPT.csv
MNT=$CRYPT.mnt
mkdir $MNT
function check_md5sums {
if command -v md5sum > /dev/null ; then
md5sum --status -c $1
else
# MacOS / darwin which do not have the md5sum utility
# installed by default
echo "Skipping md5sum (not installed). Hint: brew install md5sha1sum"
fi
}
# Mount
FSPID=0
FS=""
if [ $# -eq 1 ] && [ "$1" == "-encfs" ]; then
FS=encfs
echo "Testing EncFS"
encfs --extpass="echo test" --standard $CRYPT $MNT > /dev/null
elif [ $# -eq 1 ] && [ "$1" == "-loopback" ]; then
FS=loopback
echo "Testing go-fuse loopback"
rm -f /tmp/loopback*.memprof
loopback -memprofile=/tmp/loopback $MNT $CRYPT &
FSPID=$(jobs -p)
disown
else
FS=gocryptfs
echo "Testing gocryptfs"
gocryptfs -q -init -extpass="echo test" -scryptn=10 $CRYPT
gocryptfs -q -extpass="echo test" -nosyslog -fg $CRYPT $MNT &
FSPID=$(jobs -p)
disown
#gocryptfs -q -extpass="echo test" -nosyslog -memprofile /tmp/extractloop-mem $CRYPT $MNT
fi
echo "Test dir: $CRYPT"
# Sleep to make sure the FS is already mounted on MNT
sleep 1
cd $MNT
ln -v -sTf $CSV /tmp/extractloop.csv 2> /dev/null || true # fails on MacOS, ignore
# Cleanup trap
# Note: gocryptfs may have already umounted itself because bash relays SIGINT
# Just ignore unmount errors.
trap cleanup_exit EXIT
function cleanup_exit {
if [[ $FS == loopback ]]; then
# SIGUSR1 causes loopback to write the memory profile to disk
kill -USR1 $FSPID
fi
cd /
rm -Rf $CRYPT
fuse-unmount -z $MNT || true
rmdir $MNT
}
function loop {
ID=$1
mkdir $ID
cd $ID
echo "[looper $ID] Starting"
N=1
RSS=0
while true
do
t1=$SECONDS
tar xf /tmp/linux-3.0.tar.gz --exclude linux-3.0/arch/microblaze/boot/dts/system.dts
# ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
# Exclude the one symlink in the tarball - causes problems on MacOS: "Can't set permissions to 0755"
check_md5sums $MD5
rm -R linux-3.0
t2=$SECONDS
delta=$((t2-t1))
if [[ $FSPID -gt 0 && -d /proc ]]; then
RSS=$(grep VmRSS /proc/$FSPID/status | tr -s ' ' | cut -f2 -d ' ')
echo "$N,$SECONDS,$RSS,$delta" >> $CSV
fi
echo "[looper $ID] Iteration $N done, $delta seconds, RSS $RSS kiB"
let N=$N+1
done
}
function memprof {
while true; do
kill -USR1 $FSPID
sleep 60
done
}
loop 1 &
loop 2 &
if [[ $FS == loopback ]]; then
memprof &
fi
wait
|
