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Osamu Matsumoto osamu

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osamu / cpu.py
Created July 2, 2015 03:27
List cpu usage for each core
#!/usr/bin/python
# -*- coding: utf-8 -*-
'''
Created on 04.12.2014
@author: plagtag
'''
from time import sleep
from datetime import datetime as dt
@osamu
osamu / nats-test.go
Last active October 7, 2015 11:29
test nats
package main
import (
"crypto/rand"
"github.com/nats-io/nats"
"time"
"fmt"
"flag"
)
@osamu
osamu / gist:b022bf4c241111b5fe21
Last active October 8, 2015 09:14

http://qiita.com/ionis_h/items/661a9a9d41cb1574e357 これに沿って設定する マルチ開始時点で以下のコマンドでキャプチャ開始 sudo tcpdump -i rvi0 -s 0 -w multi.pcap

  • キャプチャしたファイルをwiresharkで開く。
  • マルチ用のパケットの羅列がみつかるとおもうので、１つ選択して右クリック
  • Follow UDP Stream or Follow TCP Streamしてストリームをフィルタする
  • フィルタした状態で、StatisticsメニューのSummaryを選ぶと、下の方の表のDisplayedのカラムに フィルタされたパケットのPacket/secとかbyte/secが平均で出ます。
@osamu
osamu / gist:3ba7d63497da03d536d0
Created March 14, 2016 03:43
digraph G {
a [shape = box];
b [shape = box];
rem [shape = invtrapezium];
t [shape = box];
ab [shape=circle, fixedsize=true, width=0.3, label="x", xlabel="a<-b"];
result [shape=circle, fixedsize=true, width=0.3,label="="];
0 [shape=triangle];
rt [ shape=circle, fixedsize=true, width=0.3, label="x", xlabel="r<-t"];
bt [ shape=circle, fixedsize=true, width=0.3, label="x", xlabel="b<-t"];
@osamu
osamu / gist:fd86e5c4a6bddce011c2
Created March 25, 2016 15:36
Verifying that +osamu_matsumoto is my blockchain ID. https://onename.com/osamu_matsumoto
@osamu
osamu / gist:0e7d7ad92af42e01adbb43fc3f929361
Created April 8, 2016 06:06
osamu@debian:/tmp$ cat file
Attempted path: share/obs/obs-studio/locale/en-US.ini
Attempted path: /usr/share/obs/obs-studio/locale/en-US.ini
Attempted path: share/obs/obs-studio/locale.ini
Attempted path: /usr/share/obs/obs-studio/locale.ini
Attempted path: share/obs/obs-studio/themes/Default.qss
Attempted path: /usr/share/obs/obs-studio/themes/Default.qss
Attempted path: share/obs/obs-studio/license/gplv2.txt
Attempted path: /usr/share/obs/obs-studio/license/gplv2.txt
info: Processor: 1 logical cores
@osamu
osamu / gist:67690d43005b839050057c47c8a377d2
Created April 13, 2016 04:05
def time
start = Time.now
yield
Time.now - start
end
db_configs.each do |config_name, config|
if (config.class == Hash)
if config.has_key?(:host)
elapsed = time { Mysql2::Client.new(config) }
@osamu
osamu / gist:aea60aac1dac0b99f56d674f48f2f29b
Created May 13, 2016 12:54
require 'rubygems'
require 'pcap'
require 'time'
if 2 != ARGV.size
STDERR.puts "Usage: #{$0} in.pcap out.pcap delta"
exit(2)
end
in_filename, out_filename = ARGV
@osamu
osamu / gist:707fac424f5cc2d0c1e1f38bccd86644
Last active July 4, 2016 07:53
""" https://github.com/jinzhu/vrome/wiki/vromerc-example-file
set disablesites=mail.google.com, reader.google.com, github.com
@osamu
osamu / netrate.pl
Created August 3, 2016 03:36
#!/usr/bin/perl
use strict;
use warnings;
use Time::HiRes qw(usleep);
use POSIX qw/strftime/;
use Data::Dumper;
my $interval = 1000; # milisecond
my $active_conn = 0;