Re-design of the original gocryptfs code to work as a library.
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#!/bin/bash -eu
cd "$(dirname "$0")"
# Download /tmp/linux-3.0.tar.gz
T=$(mktemp -d)
mkdir "$T/a" "$T/b"
set -x
../gocryptfs -init -quiet -scryptn 10 -extpass "echo test" "$@" "$T/a"
{ set +x ; } 2> /dev/null
../gocryptfs -quiet -nosyslog -extpass "echo test" "$@" "$T/a" "$T/b"
# Cleanup trap
trap "cd /; fusermount -u -z $T/b; rm -Rf $T/a" EXIT
echo "Creating 40000 empty files (linux-3.0.tar.gz contains 36782 files)..."
for dir in $(seq -w 1 200); do
mkdir "$T/b/$dir"
( cd "$T/b/$dir" ; touch $(seq -w 1 200) )
echo "done, $SECONDS seconds"
echo "Remount..."
fusermount -u "$T/b"
set -x
../gocryptfs -quiet -nosyslog -extpass "echo test" -cpuprofile "$T/cprof" -memprofile "$T/mprof" \
"$@" "$T/a" "$T/b"
{ set +x ; } 2> /dev/null
echo "Running ls under profiler (3x)..."
for i in 1 2 3; do
ls -lR "$T/b" > /dev/null
echo "$i done, $SECONDS seconds"
echo "Hint: go tool pprof ../gocryptfs $T/cprof"
echo " go tool pprof -alloc_space ../gocryptfs $T/mprof"