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path: root/profiling/write-trace.bash
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#!/bin/bash -eu
#
# Write an execution trace of writing 100MB of data
# to a new gocryptfs mount on /tmp

cd "$(dirname "$0")"

T=$(mktemp -d)
mkdir "$T/a" "$T/b"

../gocryptfs -init -quiet -scryptn 10 -extpass "echo test" "$T/a"
../gocryptfs -quiet -extpass "echo test" -trace "$T/trace" \
	"$T/a" "$T/b"

# Cleanup trap
trap "cd /; fusermount -u -z $T/b; rm -Rf $T/a" EXIT

# Write only 1x100MB, otherwise the trace gets too big.
dd if=/dev/zero of="$T/b/zero" bs=1M count=100

echo
echo "Hint: go tool trace $T/trace"