57 lines
1.3 KiB
Bash
Executable File
57 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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#
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# Mount a gocryptfs filesystem somewhere on /tmp, then run two parallel
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# infinite loops inside that do the following:
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# 1) Extract linux-3.0.tar.gz
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# 2) Verify the md5sums
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# 3) Delete, go to (1)
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#
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# This test is good at discovering inode-related memory leaks because it creates
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# huge numbers of files.
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set -eu
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cd "$(dirname "$0")"
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MD5="$PWD/linux-3.0.md5sums"
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# Setup
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cd /tmp
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wget -nv --show-progress -c https://www.kernel.org/pub/linux/kernel/v3.0/linux-3.0.tar.gz
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DIR1=$(mktemp -d)
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DIR2=$(mktemp -d)
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gocryptfs -q -init -extpass="echo test" $DIR1
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gocryptfs -q -extpass="echo test" -nosyslog $DIR1 $DIR2
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#gocryptfs -q -extpass="echo test" -nosyslog -memprofile /tmp/extractloop-mem $DIR1 $DIR2
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cd $DIR2
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# Cleanup trap
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# Note: gocryptfs may have already umounted itself because bash relays SIGINT
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# Just ignore fusermount errors.
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trap "cd /; fusermount -u -z $DIR2; rm -rf $DIR1 $DIR2" EXIT
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function loop {
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# Note: In a subshell, $$ returns the PID of the *parent* shell,
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# we need our own, which is why we have to use $BASHPID.
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mkdir $BASHPID
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cd $BASHPID
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echo "[pid $BASHPID] Starting loop"
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N=1
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while true
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do
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t1=$SECONDS
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tar xf /tmp/linux-3.0.tar.gz
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md5sum --status -c $MD5
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rm -Rf linux-3.0
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t2=$SECONDS
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delta=$((t2-t1))
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echo "[pid $BASHPID] Iteration $N done, $delta seconds"
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let N=$N+1
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done
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}
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loop &
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loop &
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wait
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