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{{DISPLAYTITLE:电源管理}}<languages/>
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有效的电源管理可以帮助设备降低发热并且省电，在笔记本电脑上这点体现的更加明显，因为它还可以延长笔记本电池的使用寿命，让你免除设备风扇的操作和键盘本身发热带来的不适

=电源管理软件=
[[File:battery.png|left|96px]]

Manjaro有多款电源管理软件可供选择，以下介绍几款流行的软件。

[http://linrunner.de/en/tlp/tlp.html TLP]是自动化电源管理的最常用方案

===安装 TLP===

TLP可以直接从Manjaro的存储库中获得，也可以使用其他包管理器或者终端命令方式安装

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pamac install tlp
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Now that it is installed, you need to start and enable the service.  This can be accomplished with the command:
 systemctl enable tlp --now
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{{note|TLP 1.2.2 and lower need another service as well: tlp-sleep.service}}
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===Configuring TLP===
[[File:Tlpui.png|left|400px]]
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TLP can manually configured by editing the file '''/etc/default/tlp''' as described in [http://linrunner.de/en/tlp/docs/tlp-configuration.html The Official Documentation].
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A simpler way to configure TLP is via the GUI tool [https://github.com/d4nj1/TLPUI TLPUI]
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To install TLPUI install the package '''tlpui''' using your favorite package manager or with the command
 pamac install tlpui
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==Laptop Mode Tools==
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An Alternative to TLP for laptops is [https://github.com/rickysarraf/laptop-mode-tools Laptop Mode Tools(LMT)].
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===Installing LMT===
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To install {{ic|laptop-mode-tools}}, enter the following command into your terminal:
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pamac install laptop-mode-tools
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Once installed, to enable LMT to start automatically every time you boot your computer, enter the following into your terminal:
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sudo systemctl enable --now laptop-mode.service
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LMT automatically configures some settings for you in order to optimize your laptop's battery life.
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===LMT Configuration===
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For configuration, the file to edit is {{ic|/etc/laptop-mode/laptop-mode.conf}}}
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The individual kernel modules can be configured from the configuration files present in {{ic|/etc/laptop-mode/conf.d/}}
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==PowerTOP==
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PowerTop a diagnostic tool used to identify and report issues with power consumption and management.  It can be used as a reporting tool, an automated power management tool or both.
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===Installing PowerTop===
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It can be installed as
 pamac install powertop
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===Generating Reports===
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You can generate a report using powertop with the command:
 sudo powertop --html
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This will create the file {{ic|powertop.html}} in the current directory.  You can open this file in any web browser.
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If you are using TLP for power management you may notice some differences in the recommendations between the tools.  The article [http://linrunner.de/en/tlp/docs/tlp-faq.html#powertop Comparing TLP with PowerTop reporting] describes some of the reasons for these differences.
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===Automated Tuning with PowerTop===
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The command {{ic|sudo powertop --auto-tune"}} will allow PowerTop to automatically tune power management based on it's recommendations.
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From a practical perspective, the best way to use PowerTops auto-tuning is with a systemd service.
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To create, start and enable a systemd service for PowerTop you can use the commands:
 sudo sh -c "echo -e '[Unit]\nDescription=PowerTop\n\n[Service]\nType=oneshot\nRemainAfterExit=true\nExecStart=/usr/bin/powertop --auto-tune\n\n[Install]\nWantedBy=multi-user.target\n' > /etc/systemd/system/powertop.service"
 sudo systemctl enable --now powertop.service
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=Temperature/Thermal Management=
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==ThermalD==
[https://github.com/intel/thermal_daemon ThermalD], the Linux Thermal Daemon can be used to automatically handle CPU frequency scaling according to system load.
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To install it, install {{ic|thermald}} in your favorite package manager or use the command:
 pamac install thermald
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After installing it needs to be configured to automatically start at boot in order to work:
 sudo systemctl enable --now thermald
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=See Also=
* [[Undervolt_intel_CPU|How to undervolt Intel CPUs]]
* [http://linrunner.de/en/tlp/tlp.html TLP website]
* [https://wiki.archlinux.org/index.php/Laptop_Mode_Tools LaptopModeTools - Arch Wiki]
* [https://wiki.archlinux.org/index.php/TLP TLP - Arch wiki]
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