diff options
| -rwxr-xr-x | tests/stress_tests/extractloop.bash | 51 | ||||
| -rwxr-xr-x | tests/stress_tests/extractloop_plot_csv.m | 11 | ||||
| -rwxr-xr-x | tests/stress_tests/loopback-mem.bash | 45 |
3 files changed, 48 insertions, 59 deletions
diff --git a/tests/stress_tests/extractloop.bash b/tests/stress_tests/extractloop.bash index 1c0d4ce..09dfec8 100755 --- a/tests/stress_tests/extractloop.bash +++ b/tests/stress_tests/extractloop.bash @@ -17,39 +17,50 @@ MD5="$PWD/linux-3.0.md5sums" # Setup dirs cd /tmp wget -nv --show-progress -c https://www.kernel.org/pub/linux/kernel/v3.0/linux-3.0.tar.gz -DIR1=$(mktemp -d /tmp/extractloop.XXX) -DIR2=$DIR1.mnt -mkdir $DIR2 +CRYPT=$(mktemp -d /tmp/extractloop.XXX) +CSV=$CRYPT.csv +MNT=$CRYPT.mnt +mkdir $MNT # Mount +FSPID=0 if [ $# -eq 1 ] && [ "$1" == "-encfs" ]; then echo "Testing EncFS" - encfs --extpass="echo test" --standard $DIR1 $DIR2 > /dev/null + encfs --extpass="echo test" --standard $CRYPT $MNT > /dev/null elif [ $# -eq 1 ] && [ "$1" == "-loopback" ]; then echo "Testing go-fuse loopback" - loopback -l $DIR2 $DIR1 & - sleep 1 + rm -f /tmp/loopback*.memprof + loopback -l -memprofile=/tmp/loopback $MNT $CRYPT & + FSPID=$(jobs -p) else - gocryptfs -q -init -extpass="echo test" -scryptn=10 $DIR1 - gocryptfs -q -extpass="echo test" $DIR1 $DIR2 - #gocryptfs -q -extpass="echo test" -nosyslog -memprofile /tmp/extractloop-mem $DIR1 $DIR2 + echo "Testing gocryptfs" + gocryptfs -q -init -extpass="echo test" -scryptn=10 $CRYPT + gocryptfs -q -extpass="echo test" -nosyslog -f $CRYPT $MNT & + FSPID=$(jobs -p) + #gocryptfs -q -extpass="echo test" -nosyslog -memprofile /tmp/extractloop-mem $CRYPT $MNT fi -cd $DIR2 +echo "Test dir: $CRYPT" +# Sleep to make sure the FS is already mounted on MNT +sleep 1 +cd $MNT + +ln -sTf $CSV /tmp/extractloop.csv # Cleanup trap # Note: gocryptfs may have already umounted itself because bash relays SIGINT # Just ignore fusermount errors. -trap "cd /; fusermount -u -z $DIR2; rm -rf $DIR1 $DIR2" EXIT +trap "cd /; fusermount -u -z $MNT; rm -rf $CRYPT $MNT" EXIT function loop { - # Note: In a subshell, $$ returns the PID of the *parent* shell, - # we need our own, which is why we have to use $BASHPID. + # Note: In a subshell, $$ returns the PID of the parent shell. + # We need our own PID, which is why we use $BASHPID. mkdir $BASHPID cd $BASHPID echo "[pid $BASHPID] Starting loop" N=1 + RSS=0 while true do t1=$SECONDS @@ -58,11 +69,23 @@ function loop { rm -Rf linux-3.0 t2=$SECONDS delta=$((t2-t1)) - echo "[pid $BASHPID] Iteration $N done, $delta seconds" + if [ $FSPID -gt 0 ]; then + RSS=$(grep VmRSS /proc/$FSPID/status | tr -s ' ' | cut -f2 -d ' ') + echo "$N,$SECONDS,$RSS" >> $CSV + fi + echo "[pid $BASHPID] Iteration $N done, $delta seconds, RSS $RSS kiB" let N=$N+1 done } +function memprof { + while true; do + kill -USR1 $FSPID + sleep 60 + done +} + loop & loop & +#memprof & wait diff --git a/tests/stress_tests/extractloop_plot_csv.m b/tests/stress_tests/extractloop_plot_csv.m new file mode 100755 index 0000000..d6c164e --- /dev/null +++ b/tests/stress_tests/extractloop_plot_csv.m @@ -0,0 +1,11 @@ +#!/usr/bin/octave + +r=csvread('/tmp/extractloop.csv'); +figure('Position',[100,100,1600,800]); +plot(r(:,2), r(:,3)/1024, '-o'); +xlabel('seconds') +ylabel('RSS MiB') +grid on; +drawnow; +disp('press enter to exit'); +input(''); diff --git a/tests/stress_tests/loopback-mem.bash b/tests/stress_tests/loopback-mem.bash deleted file mode 100755 index fa3b0e3..0000000 --- a/tests/stress_tests/loopback-mem.bash +++ /dev/null @@ -1,45 +0,0 @@ -#!/bin/bash -# -# Mount a loopback filesystem somewhere on /tmp, then run an -# infinite loop inside that does the following: -# 1) Extract linux-3.0.tar.gz -# 2) Delete -# 3) Get memory profile -# -# This test is good at discovering inode-related memory leaks because it creates -# huge numbers of files. - -set -eu - -# Setup dirs -cd /tmp -wget -nv --show-progress -c https://www.kernel.org/pub/linux/kernel/v3.0/linux-3.0.tar.gz -DIR1=$(mktemp -d /tmp/loopback-mem.XXX) -DIR2=$DIR1.mnt -mkdir $DIR2 - -# Mount -loopback -l -memprofile /tmp/lmem $DIR2 $DIR1 & -LOOPBACKPID=$(jobs -p) -sleep 1 -cd $DIR2 - -# Cleanup trap -trap "cd /; fusermount -u -z $DIR2; rm -rf $DIR1 $DIR2" EXIT - -echo "Starting loop" - -N=1 -while true; do - t1=$SECONDS - tar xf /tmp/linux-3.0.tar.gz - rm -Rf linux-3.0 - t2=$SECONDS - delta=$((t2-t1)) - rss=$(grep VmRSS /proc/$LOOPBACKPID/status) - echo "Iteration $N done, $delta seconds, $rss" - let N=$N+1 - sleep 1 - kill -USR1 $LOOPBACKPID -done - |