バッテリーの寿命を延ばすためにpowertopの出力を分析する方法
12.04LTSを使用してubuntuを初めて使用します。手順を教えてください。ありがとう。
anoy@ubuntu:~$ cat /proc/sys/vm/laptop_mode
5
PowerTOP 1.97の概要アイドル状態の統計周波数の統計デバイスの統計調整可能パラメータ
バッテリーは21.7 Wの放電率を報告します
要約：551.2ウェイクアップ/秒、0.0 GPUオペレーション/秒および0.0 VFSオペレーション/秒
Usage Events/s Category Description
43.7 ms/s 229.1 Process /usr/lib/firefox-trunk/fi
17.0 ms/s 109.0 Process /usr/bin/X :0 -auth /var/
2.1 ms/s 42.7 Timer tick_sched_timer
4.2 ms/s 35.5 Process metacity
1.1 ms/s 34.9 Timer hrtimer_wakeup
184.2 ms/s 16.9 Process [loop0]
1.4 ms/s 16.1 Interrupt [44] i915
1.5 ms/s 8.4 Interrupt [16] ehci_hcd:usb1
2.7 ms/s 6.7 Process /usr/bin/ibus-daemon --xi
585.4 ms/s 7.4 Interrupt [7] sched(softirq)
289.0 ms/s 6.2 Process mount.ntfs /dev/disk/by-uuid
1.4 ms/s 5.5 Process /usr/lib/bamf/bamfdaemon
2.0 ms/s 5.2 Process gnome-terminal
1.6 ms/s 3.6 Process unity-2d-Shell
0.8 ms/s 2.9 Process unity-2d-panel
7.1 ms/s 0.1 kWork ieee80211_scan_work
0.8 ms/s 2.5 Process //bin/dbus-daemon --fork
61.4 ms/s 2.5 Process [ktpacpi_nvramd]
382.4 ms/s 2.1 Process /usr/lib/gnome-settings-daem
193.2 ms/s 2.0 Interrupt [4] block(softirq)
2.2 ms/s 0.9 Process /usr/bin/python /usr/shar
317.0 ms/s 1.5 Process /usr/lib/at-spi2-core/at-spi
4.0 ms/s 0.0 Process [kworker/u:2]
168.6 ms/s 1.0 Process /bin/dbus-daemon --config-fi
42.7 ms/s 0.8 kWork ieee80211_iface_work
41.7 ms/s 0.8 Process /usr/lib/gvfs/gvfs-afc-volum
5.0 ms/s 0.8 kWork cfq_kick_queue
212.1 ms/s 0.7 Interrupt [9] RCU(softirq)
313.1 ms/s 0.3 Process /usr/lib/unity/unity-panel-s
9.6 ms/s 0.4 kWork i915_gem_retire_work_handler
バッテリーは18.7 Wの放電率を報告します
Usage Device name
8.8% CPU use
73.3% Display backlight
73.3% Display backlight
29.8% Display backlight
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chi
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chi
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chi
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chi
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chi
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chi
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chi
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chi
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chi
100.0% PCI Device: Intel Corporation 2nd Generation Core Proc
100.0% PCI Device: Realtek Semiconductor Co., Ltd. RTL8188CE
100.0% USB Device: usb-device-04b3-3107
100.0% PCI Device: Realtek Semiconductor Co., Ltd. RTL8111/81
100.0% USB device: EHCI Host Controller
100.0% PCI Device: Advanced Micro Devices [AMD] nee ATI Seymo
100.0% PCI Device: Ricoh Co Ltd Device e823
100.0% PCI Device: Intel Corporation Xeon E3-1200/2nd Generat
100.0% PCI Device: Intel Corporation 2nd Generation Core Proc
100.0% Radio device: rtl8192ce
100.0% USB Device: usb-device-8087-0024
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chi
71.1 pkts/s Network interface: wlan0 (rtl8192ce)
0.0 pkts/s Network interface: eth0 (r8169)
0.0 rpm Laptop fan
0.0% Radio device: thinkpad_acpi
0.0% Audio codec hwC0D0: Conexant
0.0% Audio codec hwC0D3: Intel
調整可能
Bad Enable SATA link power management for /dev/sda<br/>
Bad NMI watchdog should be turned off<br/>
Bad VM writeback timeout<br/>
Bad Autosuspend for unknown USB device 1-1.3 (04b3:3107)<br/>
Bad Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family PCI<br/>
Bad Runtime PM for PCI Device Intel Corporation 2nd Generation Core Processor Family Int<br/>
Bad Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family MEI<br/>
Bad Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family USB<br/>
Bad Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family PCI<br/>
Bad Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family PCI<br/>
Bad Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family PCI<br/>
Bad Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family 6 po<br/>
Bad Runtime PM for PCI Device Advanced Micro Devices [AMD] nee ATI Seymour [Radeon HD 64<br/>
Bad Runtime PM for PCI Device Intel Corporation Xeon E3-1200/2nd Generation Core Process<br/>
Bad Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family PCI<br/>
Bad Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family USB<br/>
Good Enable Audio codec power management<br/>
Good Power Aware CPU scheduler<br/>
Good Autosuspend for USB device EHCI Host Controller [usb1]<br/>
Good Autosuspend for unknown USB device 2-1 (8087:0024)<br/>
Good Autosuspend for USB device Integrated Camera (Ricoh Company Ltd.)<br/>
Good Autosuspend for USB device EHCI Host Controller [usb2]<br/>
Good Autosuspend for unknown USB device 1-1 (8087:0024)<br/>
Good Runtime PM for PCI Device Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi<br/>
Good Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family High<br/>
Good Runtime PM for PCI Device Ricoh Co Ltd Device e823<br/>
Good Runtime PM for PCI Device Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express<br/>
Good Runtime PM for PCI Device Intel Corporation 2nd Generation Core Processor Family DRA<br/>
Good Wake-on-lan status for device eth0<br/>
Good Wake-on-lan status for device wlan0<br/>
Good Using 'ondemand' cpufreq governor<br/>
Good/Bad powertop設定でPrecise 12.04 LTSのさまざまなマシンでテストを行いました。私の研究結果はこちらです：
http://kernel.ubuntu.com/~cking/power-benchmarking/powertop-good-bad-recommendations/results.txt
..およびサポートデータはこちら：
Preciseのpm-utilsパッケージに追加した最高のリスクと最小のリスクの変更により、ラップトップのバッテリーの電力を節約できます。
高精度マルチメータを使用することにより、powertopからの「良い」節約の推奨事項は実際にはそれほど有用ではない場合があるため、最適な構成を選択するには、多くの試行錯誤と消費電力の正確な評価方法が必要です。ハードウェア用。
Preciseで電力を節約する作業について詳しく知りたい場合は、以下を参照してください。 https://wiki.ubuntu.com/Kernel/PowerManagement