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#!/bin/bash
# Copyright (C) 2016 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Include some functions from common.sh.
SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
source ${SCRIPT_DIR}/common.sh
OUT_DATA_DIR="test_out"
# Disable REMOTE for test on local
REMOTE="--remote"
TEST_COUNT=10
DEBUG=false
apply_overlay() {
local overaly="$1"
local base_dts="$2"
local overlay_dts="$3"
local merged_dts="$4"
local summary=0
for i in $(seq 1 $TEST_COUNT); do
TIME=$(./apply_overlay.sh "--$overaly" $REMOTE \
"$base_dts" "$overlay_dts" "$merged_dts" \
| sed -E "s/.*took ([0-9]+\\.[0-9]+) secs/\\1/")
if $DEBUG; then
echo "time=$TIME"
fi
summary=$(echo "$summary + $TIME" | bc -l)
done
AVERAY=$(echo "scale=9; $summary/$TEST_COUNT" | bc -l)
printf "%10s Average time=%s\n" "($overaly)" "$AVERAY"
}
run_performance_test() {
# see ufdt_gen_test_dts.c for detail
local node_depth="$1"
local node_unused="$2"
local node_count="$3"
local append_count="$4"
local override_count="$5"
mkdir -p "$OUT_DATA_DIR" >& /dev/null
#
# Prepare dtb and dtbo files
#
local base_dts="${OUT_DATA_DIR}/base.dts"
echo " Base DT: depth=$node_depth unused=$node_unused nodes=$node_count"
ufdt_gen_test_dts -n $node_count -d $node_depth -u $node_unused \
-o "$base_dts"
if $DEBUG; then
cat "$base_dts"
fi
local overlay_dts="${OUT_DATA_DIR}/overlay.dts"
echo " Overlay DT: append=$append_count override=$override_count"
ufdt_gen_test_dts -p -a $append_count -w $override_count \
-o "$overlay_dts"
if $DEBUG; then
cat "$overlay_dts"
fi
local merged_dts="${OUT_DATA_DIR}/overlay_merged.dts"
apply_overlay fdt $base_dts $overlay_dts $merged_dts
apply_overlay ufdt $base_dts $overlay_dts $merged_dts
rm -rf "$OUT_DATA_DIR"
}
main() {
alert "========== Running Performance Tests =========="
if [ -z "$ANDROID_BUILD_TOP" ]; then
die "Run envsetup.sh / lunch yet?"
fi
if ! command_exists ufdt_gen_test_dts ||
! command_exists dtc; then
die "Run mmma $(dirname $SCRIPT_DIR) yet?"
fi
if [ "$REMOTE" == "--remote" ]; then
adb get-state > /dev/null
if [ "$?" -ne "0" ]; then
die "adb can not connect to device."
fi
fi
# cd to ${SCRIPT_DIR} in a subshell because gen_test.sh uses relative
# paths for dependent files.
cd "${SCRIPT_DIR}"
#
# run_performance_test
# <node_depth> <node_unused> <node_count> <append_count> <override_count>
# Test case #1: node=x append=100 override=100
for t in $(seq 200 50 1000); do
run_performance_test 2 0 $t 100 100
done
# Test case #2: node=x append=100 override=100
for t in $(seq 200 50 1000); do
run_performance_test 2 $t $t 100 100
done
# Test case #3: node=2000 append=X
for t in $(seq 50 50 1000); do
run_performance_test 2 0 2000 $t 0
done
# Test case #4: node=2000 override=X
for t in $(seq 50 50 1000); do
run_performance_test 2 0 2000 0 $t
done
}
main "$@"
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