[go: nahoru, domu]

blob: 1e729398114dc36cd72f34bb0c855774325ff3f8 [file] [log] [blame]
#!/bin/bash
# Copyright 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Produce memory metrics for run_apply_test
source "$(dirname ${0})/stress_test_common"
compute_percentiles() {
if [ -z "${1}" ]; then
return;
fi
local pctls=".5 .9 1"
local lines=$(cat ${1} | wc -l)
for p in $pctls; do
local count="$(echo "${lines} * $p" | bc -lq | cut -d. -f1)"
local bytes=$(cat ${1} \
| cut -d' ' -f2 \
| sort -n \
| head -n$count \
| tail -n1)
echo -n "$((bytes / 1000000))MB "
done
}
main() {
if [ $# -lt 1 ]; then
cat <<EOF
USAGE: $(basename ${0}) dir
Produce memory metrics for run_apply_test. This shows the percentiles
of the max heap size across all files.
EOF
exit 1
fi
local dir="${1}"
if [ ! -d "${dir}" ]; then
error "\"${dir}\" not found" exit 1
fi
local metrics_dir="${dir}/metrics"
local metrics="${dir}/mem_per_file.txt"
if [ ! -f "${metrics}" ]; then
local metrics_tmp="${metrics}.tmp"
echo "computing usage percentiles for courgette. this may take a while..."
find "${metrics_dir}" \
| grep "\.apply_mem$" \
| while read i; do
local apply_mem="${i}"
local unbz2_mem="${apply_mem%.apply_mem}.unbz2_mem"
local unxz_mem="${apply_mem%.apply_mem}.unxz_mem"
echo -n "$apply_mem "
cat "${apply_mem}" "${unbz2_mem}" "${unxz_mem}" \
| grep "mem_heap_B" \
| cut -d= -f2 \
| sort -nr \
| head -n1
done | sort -k2 -n > "${metrics_tmp}"
mv "${metrics_tmp}" "${metrics}"
fi
echo "$(compute_percentiles ${metrics})max heap per file for Courgette" \
"(50th 90th 100th)"
local metrics_bsdiff="${dir}/mem_per_file_bsdiff.txt"
if [ ! -f "${metrics_bsdiff}" ]; then
local metrics_bsdiff_tmp="${metrics_bsdiff}.tmp"
echo "computing usage percentiles for bsdiff. this may take a while..."
find "${metrics_dir}" \
| grep "\.bsdiff_mem$" \
| while read i; do
local bsdiff_mem="${i}"
echo -n "$bsdiff_mem "
cat $bsdiff_mem \
| grep "mem_heap_B" \
| cut -d= -f2 \
| sort -nr \
| head -n1
done | sort -k2 -n > "${metrics_bsdiff_tmp}"
mv "${metrics_bsdiff_tmp}" "${metrics_bsdiff}"
fi
echo "$(compute_percentiles ${metrics_bsdiff})max heap per file for bsdiff" \
"(50th 90th 100th)"
}
main "${@}"