libgocryptfs/profiling/ls.bash
2021-03-30 16:03:42 +02:00

40 lines
917 B
Bash
Executable File

#!/bin/bash -eu
cd "$(dirname "$0")"
# Download /tmp/linux-3.0.tar.gz
../tests/dl-linux-tarball.bash
T=$(mktemp -d)
mkdir $T/a $T/b
../gocryptfs -init -quiet -scryptn 10 -extpass "echo test" $T/a
../gocryptfs -quiet -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)..."
SECONDS=0
for dir in $(seq -w 1 200); do
mkdir $T/b/$dir
( cd $T/b/$dir ; touch $(seq -w 1 200) )
done
echo "done, $SECONDS seconds"
echo "Remount..."
fusermount -u $T/b
../gocryptfs -quiet -extpass "echo test" -cpuprofile $T/cprof -memprofile $T/mprof \
$T/a $T/b
echo "Running ls under profiler (3x)..."
for i in 1 2 3; do
SECONDS=0
ls -lR $T/b > /dev/null
echo "$i done, $SECONDS seconds"
done
echo
echo "Hint: go tool pprof ../gocryptfs $T/cprof"
echo " go tool pprof -alloc_space ../gocryptfs $T/mprof"