今日は、UbuntuでUSBメモリのベンチマークを行う方法について。
環境
・Ubuntu 10.04 Desktop 64bit
・三菱化学メディア USBE8GVZ（USBメモリ）
ベンチマークには、Ubuntuに標準でインストールされているhdparmを用います。
-tオプションを付けると、ハードディスクのパフォーマンステストを行うことができます。
$ sudo hdparm -t /dev/sdf /dev/sdf: Timing buffered disk reads: 86 MB in 3.01 seconds = 28.59 MB/sec
download() {
seq="seq $1"
for i in `$seq`
do
if [ $i -lt 100 ]; then
i=0$i
fi
filename=$2$i
mplayer mms://wm.hoge.jp/wm2/fuga/streaming/$2/$3_$i.wmv -dumpstream -dumpfile $filename.wmv
HandBrakeCLI -i $filename.wmv -o $filename.m4v --preset="iPhone & iPod Touch" --optimize
done
}
cd ~/Videos
download "61 80" "piyo" "1615"
require "rubygems"
require "watir-webdriver"
browser = Watir::Browser.new(:chrome)
browser.goto("http://gmail.com")
browser.text_field(:id => "Email").set "enteryourusername"
browser.text_field(:id => "Passwd").set "enteryourpassword"
browser.button(:id => "signIn").click
loop do
browser.refresh
sleep 10
end
[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm" # 末尾に追加
# Railsから接続するための設定（postgresユーザーで接続する場合）
# local all postgres ident コメントアウト
local all postgres trust # 追加
# pgAdmin3から接続するための設定
# host all all 127.0.0.1/32 md5 コメントアウト
host all all 127.0.0.1/32 trust # 追加
gem 'haml-rails'
gem 'jquery-rails'
group(:development, :test) do
gem 'rspec-rails' # ここに追加する
end
defaults: &defaults
adapter: postgres
username: enteryourusername
password: enteryourpassword
development:
testapp_development
<<: *defaults
test:
database: testapp_test
<<: *defaults
production:
database: testapp_production
<<: *defaults
$ sudo gem install rails_dm_datastore
ERROR: Error installing rails_dm_datastore:
dm-appengine requires dm-core (~> 1.0, runtime)
$ sudo gem install dm-ar-finders dm-core dm-timestamps dm-validationsipconfig /renew$sudo dhclient -r
There is already a pid file /var/run/dhclient.pid with pid 2119
killed old client process, removed PID file
Internet Systems Consortium DHCP Client V3.1.3
Copyright 2004-2009 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Listening on LPF/vboxnet0/00:00:00:00:00:00
Sending on LPF/vboxnet0/00:00:00:00:00:00
Listening on LPF/eth0/11:11:11:11:11:11
Sending on LPF/eth0/11:11:11:11:11:11
Sending on Socket/fallback
DHCPRELEASE on eth0 to 192.168.100.1 port 67$sudo dhclient
Internet Systems Consortium DHCP Client V3.1.3
Copyright 2004-2009 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Listening on LPF/vboxnet0/00:00:00:00:00:00
Sending on LPF/vboxnet0/00:00:00:00:00:00
Listening on LPF/eth0/11:11:11:11:11:11
Sending on LPF/eth0/11:11:11:11:11:11
Sending on Socket/fallback
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8
DHCPOFFER of 192.168.100.50 from 192.168.100.1
DHCPREQUEST of 192.168.100.50 on eth0 to 255.255.255.255 port 67
DHCPACK of 192.168.100.50 from 192.168.100.1
bound to 192.168.100.50 -- renewal in 126007 seconds.