[[PageOutline]]
[[TitleIndex(TipAndDoc/monitor,format=group)]]

 = lm-sensors =
 * [https://bugs.launchpad.net/ubuntu/+source/linux/+bug/418246 Bug #418246 “it87 (sensors) module broken, needs automatic addin...” : Bugs : “linux” package : Ubuntu]
  * $ sudo modprobe -v it87
{{{
insmod /lib/modules/2.6.32-42-generic/kernel/drivers/hwmon/it87.ko
FATAL: Error inserting it87 (/lib/modules/2.6.32-42-generic/kernel/drivers/hwmon/it87.ko): Device or resource busy
}}}

 = SystemTap =
 * [http://www.atmarkit.co.jp/flinux/rensai/tantei03/bangai03a.html SystemTapで真犯人を捕まえろ！（1/4） － ＠IT]
 * [http://d.hatena.ne.jp/mhiramat/20081006/1223259316 最新のSystemtapのインストール方法 - mhiramatの日記]

 = Watt Checker =
 * [http://little-beans.net/gadget/watt-checker/ ログ記録型ワットチェッカーを比較！TAP-TST10とF-PLUG、REX-BTWATTCH1のどれを選ぶ!?]

 * 現在所持しているもの
  * TAP-TST5
  * TAP-TST10

 == TAP-TST10 ==
 * github:nonakap/taptst10ctl
 * [http://blog.osakana.net/archives/4436 USB電力計 サンワサプライ TAP-TST10をLinuxで使ってみた | OSAKANA TAROのメモ帳]

 * Arch Linux 4.1.6-1-ARCH
 1. $ pacaur -S python2-pyusb-git
  * aur:python2-pyusb-git (python2-pyusbは0.4.3-7とバージョンが古い)
 1. $ vim taptst10ctl.py
{{{#!diff
diff --git a/taptst10ctl.py b/taptst10ctl.py
index 1207fef..f5e8724 100644
--- a/taptst10ctl.py
+++ b/taptst10ctl.py
@@ -83,7 +83,7 @@ watts = []
 kWhs = []
 outep.write('\x02\x18\x0a')
 while True:
-    data = dev.read(ENDPOINT, 17, intf, 1000)
+    data = dev.read(ENDPOINT, 17, 1000)
     # dump raw data
     #print(" ".join("{:02x}".format(x) for x in data))
 
}}}
  * [https://bitbucket.org/benallard/galileo/issues/41/errors-in-kubuntu benallard / galileo / 課題 / #41 - TypeError: write() takes at most 4 arguments (5 given) — Bitbucket]
 1. $ sudo python2 taptst10ctl.py
{{{
No.,DateTime,Watt,kWh
1,2015/09/23 10:30,4.5,0.00
2,2015/09/23 10:40,41.5,0.00
3,2015/09/23 10:50,41.3,0.01
4,2015/09/23 11:00,40.3,0.02
}}}

 === bug? ===
 * github:nonakap/taptst10ctl は消費電力が増えるとオーバーフローするのか値がおかしくなる模様
 * 100W～ 程度の負荷下
  * $ sudo python2 taptst10ctl.py
{{{
No.,DateTime,Watt,kWh
1,2015/09/23 11:00,40.0,0.01
2,2015/09/23 11:10,106.0,0.02
3,2015/09/23 11:20,3251.0,2.56
4,2015/09/23 11:30,3251.0,5.10
5,2015/09/23 11:40,3251.0,7.64
}}}
  * 3251Wになってしまう
 * TAP-TST10 Watt Monitor USB Program (公式アプリ)
 * [[Image(TAP-TST10.png,33%)]]