65 lines
1.9 KiB
Bash
65 lines
1.9 KiB
Bash
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#!/bin/bash
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# Copyright 2009, The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Run a bunch of test on the sdcard to establish a performance profile.
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print_kernel() {
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adb shell cat /proc/version
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}
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print_sched_features() {
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adb shell cat /sys/kernel/debug/sched_features
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}
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# Use dd to get the raw speed of the card
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block_level() {
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true
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}
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# Time to run a test vs number of processes
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scalability() {
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local file="/tmp/sdcard-scalability.txt"
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rm -f ${file}
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echo "# Scalability tests" | tee -a ${file}
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echo "# Kernel: $(print_kernel)" | tee -a ${file}
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echo "# Sched features: $(print_sched_features)" | tee -a ${file}
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echo "# StopWatch scalability total/cumulative duration 0.0 Samples: 1" | tee -a ${file}
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echo "# Process Time" | tee -a ${file}
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for p in $(seq 1 8); do
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adb shell sdcard_perf_test --test=write --procnb=${p} --size=1000 --chunk-size=100 --iterations=50 >/tmp/tmp-sdcard.txt
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local t=$(grep 'write_total' /tmp/tmp-sdcard.txt | tail -n 1 | cut -f 6 -d ' ')
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echo "$p $t" | tee -a ${file}
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done
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}
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# Readers and writers should not starve each others.
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fairness() {
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# Check readers finished before writers.
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# Find the time of the last read op.
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# Count how many writes and how many read happend
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# during that period, do the ratio.
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true
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}
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#######################################################################
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# MAIN
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echo "Make sure debugfs is mounted on the device."
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block_level
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scalability
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fairness
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