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[#]: collector: (lujun9972)
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[#]: translator: ( )
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[#]: reviewer: ( )
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[#]: publisher: ( )
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[#]: url: ( )
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[#]: subject: (TLP – An Advanced Power Management Tool That Improve Battery Life On Linux Laptop)
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[#]: via: (https://www.2daygeek.com/tlp-increase-optimize-linux-laptop-battery-life/)
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||||
[#]: author: (Magesh Maruthamuthu https://www.2daygeek.com/author/magesh/)
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|
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TLP – An Advanced Power Management Tool That Improve Battery Life On Linux Laptop
|
||||
======
|
||||
|
||||
Laptop battery is highly optimized for Windows OS, that i had realized when i was using Windows OS in my laptop but it’s not same for Linux.
|
||||
|
||||
Over the years Linux has improved a lot for battery optimization but still we need make some necessary things to improve laptop battery life in Linux.
|
||||
|
||||
When i think about battery life, i got few options for that but i felt TLP is a better solutions for me so, i’m going with it.
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||||
|
||||
In this tutorial we are going to discuss about TLP in details to improve battery life.
|
||||
|
||||
We had written three articles previously in our site about **[laptop battery saving utilities][1]** for Linux **[PowerTOP][2]** and **[Battery Charging State][3]**.
|
||||
|
||||
### What is TLP?
|
||||
|
||||
[TLP][4] is a free opensource advanced power management tool that improve your battery life without making any configuration change.
|
||||
|
||||
Since it comes with a default configuration already optimized for battery life, so you may just install and forget it.
|
||||
|
||||
Also, it is highly customizable to fulfill your specific requirements. TLP is a pure command line tool with automated background tasks. It does not contain a GUI.
|
||||
|
||||
TLP runs on every laptop brand. Setting the battery charge thresholds is available for IBM/Lenovo ThinkPads only.
|
||||
|
||||
All TLP settings are stored in `/etc/default/tlp`. The default configuration provides optimized power saving out of the box.
|
||||
|
||||
The following TLP settings is available for customization and you need to make the necessary changes accordingly if you want it.
|
||||
|
||||
### TLP Features
|
||||
|
||||
* Kernel laptop mode and dirty buffer timeouts
|
||||
* Processor frequency scaling including “turbo boost” / “turbo core”
|
||||
* Limit max/min P-state to control power dissipation of the CPU
|
||||
* HWP energy performance hints
|
||||
* Power aware process scheduler for multi-core/hyper-threading
|
||||
* Processor performance versus energy savings policy (x86_energy_perf_policy)
|
||||
* Hard disk advanced power magement level (APM) and spin down timeout (per disk)
|
||||
* AHCI link power management (ALPM) with device blacklist
|
||||
* PCIe active state power management (PCIe ASPM)
|
||||
* Runtime power management for PCI(e) bus devices
|
||||
* Radeon graphics power management (KMS and DPM)
|
||||
* Wifi power saving mode
|
||||
* Power off optical drive in drive bay
|
||||
* Audio power saving mode
|
||||
* I/O scheduler (per disk)
|
||||
* USB autosuspend with device blacklist/whitelist (input devices excluded automatically)
|
||||
* Enable or disable integrated wifi, bluetooth or wwan devices upon system startup and shutdown
|
||||
* Restore radio device state on system startup (from previous shutdown).
|
||||
* Radio device wizard: switch radios upon network connect/disconnect and dock/undock
|
||||
* Disable Wake On LAN
|
||||
* Integrated WWAN and bluetooth state is restored after suspend/hibernate
|
||||
* Untervolting of Intel processors – requires kernel with PHC-Patch
|
||||
* Battery charge thresholds – ThinkPads only
|
||||
* Recalibrate battery – ThinkPads only
|
||||
|
||||
|
||||
|
||||
### How to Install TLP in Linux
|
||||
|
||||
TLP package is available in most of the distributions official repository so, use the distributions **[Package Manager][5]** to install it.
|
||||
|
||||
For **`Fedora`** system, use **[DNF Command][6]** to install TLP.
|
||||
|
||||
```
|
||||
$ sudo dnf install tlp tlp-rdw
|
||||
```
|
||||
|
||||
ThinkPads require an additional packages.
|
||||
|
||||
```
|
||||
$ sudo dnf install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm
|
||||
$ sudo dnf install http://repo.linrunner.de/fedora/tlp/repos/releases/tlp-release.fc$(rpm -E %fedora).noarch.rpm
|
||||
$ sudo dnf install akmod-tp_smapi akmod-acpi_call kernel-devel
|
||||
```
|
||||
|
||||
Install smartmontool to display S.M.A.R.T. data in tlp-stat.
|
||||
|
||||
```
|
||||
$ sudo dnf install smartmontools
|
||||
```
|
||||
|
||||
For **`Debian/Ubuntu`** systems, use **[APT-GET Command][7]** or **[APT Command][8]** to install TLP.
|
||||
|
||||
```
|
||||
$ sudo apt install tlp tlp-rdw
|
||||
```
|
||||
|
||||
ThinkPads require an additional packages.
|
||||
|
||||
```
|
||||
$ sudo apt-get install tp-smapi-dkms acpi-call-dkms
|
||||
```
|
||||
|
||||
Install smartmontool to display S.M.A.R.T. data in tlp-stat.
|
||||
|
||||
```
|
||||
$ sudo apt-get install smartmontools
|
||||
```
|
||||
|
||||
When the official package becomes outdated for Ubuntu based systems then use the following PPA repository which provides an up-to-date version. Run the following commands to install TLP using the PPA.
|
||||
|
||||
```
|
||||
$ sudo apt-get install tlp tlp-rdw
|
||||
```
|
||||
|
||||
For **`Arch Linux`** based systems, use **[Pacman Command][9]** to install TLP.
|
||||
|
||||
```
|
||||
$ sudo pacman -S tlp tlp-rdw
|
||||
```
|
||||
|
||||
ThinkPads require an additional packages.
|
||||
|
||||
```
|
||||
$ pacman -S tp_smapi acpi_call
|
||||
```
|
||||
|
||||
Install smartmontool to display S.M.A.R.T. data in tlp-stat.
|
||||
|
||||
```
|
||||
$ sudo pacman -S smartmontools
|
||||
```
|
||||
|
||||
Enable TLP & TLP-Sleep service on boot for Arch Linux based systems.
|
||||
|
||||
```
|
||||
$ sudo systemctl enable tlp.service
|
||||
$ sudo systemctl enable tlp-sleep.service
|
||||
```
|
||||
|
||||
You should also mask the following services to avoid conflicts and assure proper operation of TLP’s radio device switching options for Arch Linux based systems.
|
||||
|
||||
```
|
||||
$ sudo systemctl mask systemd-rfkill.service
|
||||
$ sudo systemctl mask systemd-rfkill.socket
|
||||
```
|
||||
|
||||
For **`RHEL/CentOS`** systems, use **[YUM Command][10]** to install TLP.
|
||||
|
||||
```
|
||||
$ sudo yum install tlp tlp-rdw
|
||||
```
|
||||
|
||||
Install smartmontool to display S.M.A.R.T. data in tlp-stat.
|
||||
|
||||
```
|
||||
$ sudo yum install smartmontools
|
||||
```
|
||||
|
||||
For **`openSUSE Leap`** system, use **[Zypper Command][11]** to install TLP.
|
||||
|
||||
```
|
||||
$ sudo zypper install TLP
|
||||
```
|
||||
|
||||
Install smartmontool to display S.M.A.R.T. data in tlp-stat.
|
||||
|
||||
```
|
||||
$ sudo zypper install smartmontools
|
||||
```
|
||||
|
||||
After successfully TLP installed, use the following command to start the service.
|
||||
|
||||
```
|
||||
$ systemctl start tlp.service
|
||||
```
|
||||
|
||||
To show battery information.
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -b
|
||||
or
|
||||
$ sudo tlp-stat --battery
|
||||
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ Battery Status
|
||||
/sys/class/power_supply/BAT0/manufacturer = SMP
|
||||
/sys/class/power_supply/BAT0/model_name = L14M4P23
|
||||
/sys/class/power_supply/BAT0/cycle_count = (not supported)
|
||||
/sys/class/power_supply/BAT0/energy_full_design = 60000 [mWh]
|
||||
/sys/class/power_supply/BAT0/energy_full = 48850 [mWh]
|
||||
/sys/class/power_supply/BAT0/energy_now = 48850 [mWh]
|
||||
/sys/class/power_supply/BAT0/power_now = 0 [mW]
|
||||
/sys/class/power_supply/BAT0/status = Full
|
||||
|
||||
Charge = 100.0 [%]
|
||||
Capacity = 81.4 [%]
|
||||
```
|
||||
|
||||
To show disk information.
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -d
|
||||
or
|
||||
$ sudo tlp-stat --disk
|
||||
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ Storage Devices
|
||||
/dev/sda:
|
||||
Model = WDC WD10SPCX-24HWST1
|
||||
Firmware = 02.01A02
|
||||
APM Level = 128
|
||||
Status = active/idle
|
||||
Scheduler = mq-deadline
|
||||
|
||||
Runtime PM: control = on, autosuspend_delay = (not available)
|
||||
|
||||
SMART info:
|
||||
4 Start_Stop_Count = 18787
|
||||
5 Reallocated_Sector_Ct = 0
|
||||
9 Power_On_Hours = 606 [h]
|
||||
12 Power_Cycle_Count = 1792
|
||||
193 Load_Cycle_Count = 25775
|
||||
194 Temperature_Celsius = 31 [°C]
|
||||
|
||||
|
||||
+++ AHCI Link Power Management (ALPM)
|
||||
/sys/class/scsi_host/host0/link_power_management_policy = med_power_with_dipm
|
||||
/sys/class/scsi_host/host1/link_power_management_policy = med_power_with_dipm
|
||||
/sys/class/scsi_host/host2/link_power_management_policy = med_power_with_dipm
|
||||
/sys/class/scsi_host/host3/link_power_management_policy = med_power_with_dipm
|
||||
|
||||
+++ AHCI Host Controller Runtime Power Management
|
||||
/sys/bus/pci/devices/0000:00:17.0/ata1/power/control = on
|
||||
/sys/bus/pci/devices/0000:00:17.0/ata2/power/control = on
|
||||
/sys/bus/pci/devices/0000:00:17.0/ata3/power/control = on
|
||||
/sys/bus/pci/devices/0000:00:17.0/ata4/power/control = on
|
||||
```
|
||||
|
||||
To show PCI device information.
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -e
|
||||
or
|
||||
$ sudo tlp-stat --pcie
|
||||
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ Runtime Power Management
|
||||
Device blacklist = (not configured)
|
||||
Driver blacklist = amdgpu nouveau nvidia radeon pcieport
|
||||
|
||||
/sys/bus/pci/devices/0000:00:00.0/power/control = auto (0x060000, Host bridge, skl_uncore)
|
||||
/sys/bus/pci/devices/0000:00:01.0/power/control = auto (0x060400, PCI bridge, pcieport)
|
||||
/sys/bus/pci/devices/0000:00:02.0/power/control = auto (0x030000, VGA compatible controller, i915)
|
||||
/sys/bus/pci/devices/0000:00:14.0/power/control = auto (0x0c0330, USB controller, xhci_hcd)
|
||||
/sys/bus/pci/devices/0000:00:16.0/power/control = auto (0x078000, Communication controller, mei_me)
|
||||
/sys/bus/pci/devices/0000:00:17.0/power/control = auto (0x010601, SATA controller, ahci)
|
||||
/sys/bus/pci/devices/0000:00:1c.0/power/control = auto (0x060400, PCI bridge, pcieport)
|
||||
/sys/bus/pci/devices/0000:00:1c.2/power/control = auto (0x060400, PCI bridge, pcieport)
|
||||
/sys/bus/pci/devices/0000:00:1c.3/power/control = auto (0x060400, PCI bridge, pcieport)
|
||||
/sys/bus/pci/devices/0000:00:1d.0/power/control = auto (0x060400, PCI bridge, pcieport)
|
||||
/sys/bus/pci/devices/0000:00:1f.0/power/control = auto (0x060100, ISA bridge, no driver)
|
||||
/sys/bus/pci/devices/0000:00:1f.2/power/control = auto (0x058000, Memory controller, no driver)
|
||||
/sys/bus/pci/devices/0000:00:1f.3/power/control = auto (0x040300, Audio device, snd_hda_intel)
|
||||
/sys/bus/pci/devices/0000:00:1f.4/power/control = auto (0x0c0500, SMBus, i801_smbus)
|
||||
/sys/bus/pci/devices/0000:01:00.0/power/control = auto (0x030200, 3D controller, nouveau)
|
||||
/sys/bus/pci/devices/0000:07:00.0/power/control = auto (0x080501, SD Host controller, sdhci-pci)
|
||||
/sys/bus/pci/devices/0000:08:00.0/power/control = auto (0x028000, Network controller, iwlwifi)
|
||||
/sys/bus/pci/devices/0000:09:00.0/power/control = auto (0x020000, Ethernet controller, r8168)
|
||||
/sys/bus/pci/devices/0000:0a:00.0/power/control = auto (0x010802, Non-Volatile memory controller, nvme)
|
||||
```
|
||||
|
||||
To show graphics card information.
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -g
|
||||
or
|
||||
$ sudo tlp-stat --graphics
|
||||
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ Intel Graphics
|
||||
/sys/module/i915/parameters/enable_dc = -1 (use per-chip default)
|
||||
/sys/module/i915/parameters/enable_fbc = 1 (enabled)
|
||||
/sys/module/i915/parameters/enable_psr = 0 (disabled)
|
||||
/sys/module/i915/parameters/modeset = -1 (use per-chip default)
|
||||
```
|
||||
|
||||
To show Processor information.
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -p
|
||||
or
|
||||
$ sudo tlp-stat --processor
|
||||
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ Processor
|
||||
CPU model = Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz
|
||||
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
/sys/devices/system/cpu/cpu1/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu1/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu1/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu1/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu1/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu1/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu1/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
/sys/devices/system/cpu/cpu2/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu2/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu2/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu2/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu2/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu2/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu2/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
/sys/devices/system/cpu/cpu3/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu3/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu3/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu3/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu3/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu3/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu3/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
/sys/devices/system/cpu/cpu4/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu4/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu4/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu4/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu4/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu4/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu4/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
/sys/devices/system/cpu/cpu5/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu5/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu5/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu5/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu5/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu5/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu5/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
/sys/devices/system/cpu/cpu6/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu6/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu6/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu6/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu6/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu6/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu6/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
/sys/devices/system/cpu/cpu7/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu7/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu7/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu7/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu7/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu7/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu7/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
/sys/devices/system/cpu/intel_pstate/min_perf_pct = 22 [%]
|
||||
/sys/devices/system/cpu/intel_pstate/max_perf_pct = 100 [%]
|
||||
/sys/devices/system/cpu/intel_pstate/no_turbo = 0
|
||||
/sys/devices/system/cpu/intel_pstate/turbo_pct = 33 [%]
|
||||
/sys/devices/system/cpu/intel_pstate/num_pstates = 28
|
||||
|
||||
x86_energy_perf_policy: program not installed.
|
||||
|
||||
/sys/module/workqueue/parameters/power_efficient = Y
|
||||
/proc/sys/kernel/nmi_watchdog = 0
|
||||
|
||||
+++ Undervolting
|
||||
PHC kernel not available.
|
||||
```
|
||||
|
||||
To show system data information.
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -s
|
||||
or
|
||||
$ sudo tlp-stat --system
|
||||
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ System Info
|
||||
System = LENOVO Lenovo ideapad Y700-15ISK 80NV
|
||||
BIOS = CDCN35WW
|
||||
Release = "Manjaro Linux"
|
||||
Kernel = 4.19.6-1-MANJARO #1 SMP PREEMPT Sat Dec 1 12:21:26 UTC 2018 x86_64
|
||||
/proc/cmdline = BOOT_IMAGE=/boot/vmlinuz-4.19-x86_64 root=UUID=69d9dd18-36be-4631-9ebb-78f05fe3217f rw quiet resume=UUID=a2092b92-af29-4760-8e68-7a201922573b
|
||||
Init system = systemd
|
||||
Boot mode = BIOS (CSM, Legacy)
|
||||
|
||||
+++ TLP Status
|
||||
State = enabled
|
||||
Last run = 11:04:00 IST, 596 sec(s) ago
|
||||
Mode = battery
|
||||
Power source = battery
|
||||
```
|
||||
|
||||
To show temperatures and fan speed information.
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -t
|
||||
or
|
||||
$ sudo tlp-stat --temp
|
||||
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ Temperatures
|
||||
CPU temp = 36 [°C]
|
||||
Fan speed = (not available)
|
||||
```
|
||||
|
||||
To show USB device data information.
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -u
|
||||
or
|
||||
$ sudo tlp-stat --usb
|
||||
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ USB
|
||||
Autosuspend = disabled
|
||||
Device whitelist = (not configured)
|
||||
Device blacklist = (not configured)
|
||||
Bluetooth blacklist = disabled
|
||||
Phone blacklist = disabled
|
||||
WWAN blacklist = enabled
|
||||
|
||||
Bus 002 Device 001 ID 1d6b:0003 control = auto, autosuspend_delay_ms = 0 -- Linux Foundation 3.0 root hub (hub)
|
||||
Bus 001 Device 003 ID 174f:14e8 control = auto, autosuspend_delay_ms = 2000 -- Syntek (uvcvideo)
|
||||
Bus 001 Device 002 ID 17ef:6053 control = on, autosuspend_delay_ms = 2000 -- Lenovo (usbhid)
|
||||
Bus 001 Device 004 ID 8087:0a2b control = auto, autosuspend_delay_ms = 2000 -- Intel Corp. (btusb)
|
||||
Bus 001 Device 001 ID 1d6b:0002 control = auto, autosuspend_delay_ms = 0 -- Linux Foundation 2.0 root hub (hub)
|
||||
```
|
||||
|
||||
To show warnings.
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -w
|
||||
or
|
||||
$ sudo tlp-stat --warn
|
||||
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
No warnings detected.
|
||||
```
|
||||
|
||||
Status report with configuration and all active settings.
|
||||
|
||||
```
|
||||
$ sudo tlp-stat
|
||||
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ Configured Settings: /etc/default/tlp
|
||||
TLP_ENABLE=1
|
||||
TLP_DEFAULT_MODE=AC
|
||||
TLP_PERSISTENT_DEFAULT=0
|
||||
DISK_IDLE_SECS_ON_AC=0
|
||||
DISK_IDLE_SECS_ON_BAT=2
|
||||
MAX_LOST_WORK_SECS_ON_AC=15
|
||||
MAX_LOST_WORK_SECS_ON_BAT=60
|
||||
CPU_HWP_ON_AC=balance_performance
|
||||
CPU_HWP_ON_BAT=balance_power
|
||||
SCHED_POWERSAVE_ON_AC=0
|
||||
SCHED_POWERSAVE_ON_BAT=1
|
||||
NMI_WATCHDOG=0
|
||||
ENERGY_PERF_POLICY_ON_AC=performance
|
||||
ENERGY_PERF_POLICY_ON_BAT=power
|
||||
DISK_DEVICES="sda sdb"
|
||||
DISK_APM_LEVEL_ON_AC="254 254"
|
||||
DISK_APM_LEVEL_ON_BAT="128 128"
|
||||
SATA_LINKPWR_ON_AC="med_power_with_dipm max_performance"
|
||||
SATA_LINKPWR_ON_BAT="med_power_with_dipm max_performance"
|
||||
AHCI_RUNTIME_PM_TIMEOUT=15
|
||||
PCIE_ASPM_ON_AC=performance
|
||||
PCIE_ASPM_ON_BAT=powersave
|
||||
RADEON_POWER_PROFILE_ON_AC=default
|
||||
RADEON_POWER_PROFILE_ON_BAT=low
|
||||
RADEON_DPM_STATE_ON_AC=performance
|
||||
RADEON_DPM_STATE_ON_BAT=battery
|
||||
RADEON_DPM_PERF_LEVEL_ON_AC=auto
|
||||
RADEON_DPM_PERF_LEVEL_ON_BAT=auto
|
||||
WIFI_PWR_ON_AC=off
|
||||
WIFI_PWR_ON_BAT=on
|
||||
WOL_DISABLE=Y
|
||||
SOUND_POWER_SAVE_ON_AC=0
|
||||
SOUND_POWER_SAVE_ON_BAT=1
|
||||
SOUND_POWER_SAVE_CONTROLLER=Y
|
||||
BAY_POWEROFF_ON_AC=0
|
||||
BAY_POWEROFF_ON_BAT=0
|
||||
BAY_DEVICE="sr0"
|
||||
RUNTIME_PM_ON_AC=on
|
||||
RUNTIME_PM_ON_BAT=auto
|
||||
RUNTIME_PM_DRIVER_BLACKLIST="amdgpu nouveau nvidia radeon pcieport"
|
||||
USB_AUTOSUSPEND=0
|
||||
USB_BLACKLIST_BTUSB=0
|
||||
USB_BLACKLIST_PHONE=0
|
||||
USB_BLACKLIST_PRINTER=1
|
||||
USB_BLACKLIST_WWAN=1
|
||||
RESTORE_DEVICE_STATE_ON_STARTUP=0
|
||||
|
||||
+++ System Info
|
||||
System = LENOVO Lenovo ideapad Y700-15ISK 80NV
|
||||
BIOS = CDCN35WW
|
||||
Release = "Manjaro Linux"
|
||||
Kernel = 4.19.6-1-MANJARO #1 SMP PREEMPT Sat Dec 1 12:21:26 UTC 2018 x86_64
|
||||
/proc/cmdline = BOOT_IMAGE=/boot/vmlinuz-4.19-x86_64 root=UUID=69d9dd18-36be-4631-9ebb-78f05fe3217f rw quiet resume=UUID=a2092b92-af29-4760-8e68-7a201922573b
|
||||
Init system = systemd
|
||||
Boot mode = BIOS (CSM, Legacy)
|
||||
|
||||
+++ TLP Status
|
||||
State = enabled
|
||||
Last run = 11:04:00 IST, 684 sec(s) ago
|
||||
Mode = battery
|
||||
Power source = battery
|
||||
|
||||
+++ Processor
|
||||
CPU model = Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz
|
||||
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
/sys/devices/system/cpu/cpu1/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu1/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu1/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu1/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu1/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu1/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu1/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
/sys/devices/system/cpu/cpu2/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu2/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu2/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu2/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu2/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu2/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu2/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
/sys/devices/system/cpu/cpu3/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu3/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu3/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu3/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu3/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu3/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu3/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
/sys/devices/system/cpu/cpu4/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu4/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu4/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu4/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu4/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu4/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu4/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
/sys/devices/system/cpu/cpu5/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu5/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu5/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu5/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu5/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu5/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu5/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
/sys/devices/system/cpu/cpu6/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu6/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu6/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu6/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu6/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu6/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu6/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
/sys/devices/system/cpu/cpu7/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu7/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu7/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu7/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu7/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu7/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu7/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
/sys/devices/system/cpu/intel_pstate/min_perf_pct = 22 [%]
|
||||
/sys/devices/system/cpu/intel_pstate/max_perf_pct = 100 [%]
|
||||
/sys/devices/system/cpu/intel_pstate/no_turbo = 0
|
||||
/sys/devices/system/cpu/intel_pstate/turbo_pct = 33 [%]
|
||||
/sys/devices/system/cpu/intel_pstate/num_pstates = 28
|
||||
|
||||
x86_energy_perf_policy: program not installed.
|
||||
|
||||
/sys/module/workqueue/parameters/power_efficient = Y
|
||||
/proc/sys/kernel/nmi_watchdog = 0
|
||||
|
||||
+++ Undervolting
|
||||
PHC kernel not available.
|
||||
|
||||
+++ Temperatures
|
||||
CPU temp = 42 [°C]
|
||||
Fan speed = (not available)
|
||||
|
||||
+++ File System
|
||||
/proc/sys/vm/laptop_mode = 2
|
||||
/proc/sys/vm/dirty_writeback_centisecs = 6000
|
||||
/proc/sys/vm/dirty_expire_centisecs = 6000
|
||||
/proc/sys/vm/dirty_ratio = 20
|
||||
/proc/sys/vm/dirty_background_ratio = 10
|
||||
|
||||
+++ Storage Devices
|
||||
/dev/sda:
|
||||
Model = WDC WD10SPCX-24HWST1
|
||||
Firmware = 02.01A02
|
||||
APM Level = 128
|
||||
Status = active/idle
|
||||
Scheduler = mq-deadline
|
||||
|
||||
Runtime PM: control = on, autosuspend_delay = (not available)
|
||||
|
||||
SMART info:
|
||||
4 Start_Stop_Count = 18787
|
||||
5 Reallocated_Sector_Ct = 0
|
||||
9 Power_On_Hours = 606 [h]
|
||||
12 Power_Cycle_Count = 1792
|
||||
193 Load_Cycle_Count = 25777
|
||||
194 Temperature_Celsius = 31 [°C]
|
||||
|
||||
|
||||
+++ AHCI Link Power Management (ALPM)
|
||||
/sys/class/scsi_host/host0/link_power_management_policy = med_power_with_dipm
|
||||
/sys/class/scsi_host/host1/link_power_management_policy = med_power_with_dipm
|
||||
/sys/class/scsi_host/host2/link_power_management_policy = med_power_with_dipm
|
||||
/sys/class/scsi_host/host3/link_power_management_policy = med_power_with_dipm
|
||||
|
||||
+++ AHCI Host Controller Runtime Power Management
|
||||
/sys/bus/pci/devices/0000:00:17.0/ata1/power/control = on
|
||||
/sys/bus/pci/devices/0000:00:17.0/ata2/power/control = on
|
||||
/sys/bus/pci/devices/0000:00:17.0/ata3/power/control = on
|
||||
/sys/bus/pci/devices/0000:00:17.0/ata4/power/control = on
|
||||
|
||||
+++ PCIe Active State Power Management
|
||||
/sys/module/pcie_aspm/parameters/policy = powersave
|
||||
|
||||
+++ Intel Graphics
|
||||
/sys/module/i915/parameters/enable_dc = -1 (use per-chip default)
|
||||
/sys/module/i915/parameters/enable_fbc = 1 (enabled)
|
||||
/sys/module/i915/parameters/enable_psr = 0 (disabled)
|
||||
/sys/module/i915/parameters/modeset = -1 (use per-chip default)
|
||||
|
||||
+++ Wireless
|
||||
bluetooth = on
|
||||
wifi = on
|
||||
wwan = none (no device)
|
||||
|
||||
hci0(btusb) : bluetooth, not connected
|
||||
wlp8s0(iwlwifi) : wifi, connected, power management = on
|
||||
|
||||
+++ Audio
|
||||
/sys/module/snd_hda_intel/parameters/power_save = 1
|
||||
/sys/module/snd_hda_intel/parameters/power_save_controller = Y
|
||||
|
||||
+++ Runtime Power Management
|
||||
Device blacklist = (not configured)
|
||||
Driver blacklist = amdgpu nouveau nvidia radeon pcieport
|
||||
|
||||
/sys/bus/pci/devices/0000:00:00.0/power/control = auto (0x060000, Host bridge, skl_uncore)
|
||||
/sys/bus/pci/devices/0000:00:01.0/power/control = auto (0x060400, PCI bridge, pcieport)
|
||||
/sys/bus/pci/devices/0000:00:02.0/power/control = auto (0x030000, VGA compatible controller, i915)
|
||||
/sys/bus/pci/devices/0000:00:14.0/power/control = auto (0x0c0330, USB controller, xhci_hcd)
|
||||
/sys/bus/pci/devices/0000:00:16.0/power/control = auto (0x078000, Communication controller, mei_me)
|
||||
/sys/bus/pci/devices/0000:00:17.0/power/control = auto (0x010601, SATA controller, ahci)
|
||||
/sys/bus/pci/devices/0000:00:1c.0/power/control = auto (0x060400, PCI bridge, pcieport)
|
||||
/sys/bus/pci/devices/0000:00:1c.2/power/control = auto (0x060400, PCI bridge, pcieport)
|
||||
/sys/bus/pci/devices/0000:00:1c.3/power/control = auto (0x060400, PCI bridge, pcieport)
|
||||
/sys/bus/pci/devices/0000:00:1d.0/power/control = auto (0x060400, PCI bridge, pcieport)
|
||||
/sys/bus/pci/devices/0000:00:1f.0/power/control = auto (0x060100, ISA bridge, no driver)
|
||||
/sys/bus/pci/devices/0000:00:1f.2/power/control = auto (0x058000, Memory controller, no driver)
|
||||
/sys/bus/pci/devices/0000:00:1f.3/power/control = auto (0x040300, Audio device, snd_hda_intel)
|
||||
/sys/bus/pci/devices/0000:00:1f.4/power/control = auto (0x0c0500, SMBus, i801_smbus)
|
||||
/sys/bus/pci/devices/0000:01:00.0/power/control = auto (0x030200, 3D controller, nouveau)
|
||||
/sys/bus/pci/devices/0000:07:00.0/power/control = auto (0x080501, SD Host controller, sdhci-pci)
|
||||
/sys/bus/pci/devices/0000:08:00.0/power/control = auto (0x028000, Network controller, iwlwifi)
|
||||
/sys/bus/pci/devices/0000:09:00.0/power/control = auto (0x020000, Ethernet controller, r8168)
|
||||
/sys/bus/pci/devices/0000:0a:00.0/power/control = auto (0x010802, Non-Volatile memory controller, nvme)
|
||||
|
||||
+++ USB
|
||||
Autosuspend = disabled
|
||||
Device whitelist = (not configured)
|
||||
Device blacklist = (not configured)
|
||||
Bluetooth blacklist = disabled
|
||||
Phone blacklist = disabled
|
||||
WWAN blacklist = enabled
|
||||
|
||||
Bus 002 Device 001 ID 1d6b:0003 control = auto, autosuspend_delay_ms = 0 -- Linux Foundation 3.0 root hub (hub)
|
||||
Bus 001 Device 003 ID 174f:14e8 control = auto, autosuspend_delay_ms = 2000 -- Syntek (uvcvideo)
|
||||
Bus 001 Device 002 ID 17ef:6053 control = on, autosuspend_delay_ms = 2000 -- Lenovo (usbhid)
|
||||
Bus 001 Device 004 ID 8087:0a2b control = auto, autosuspend_delay_ms = 2000 -- Intel Corp. (btusb)
|
||||
Bus 001 Device 001 ID 1d6b:0002 control = auto, autosuspend_delay_ms = 0 -- Linux Foundation 2.0 root hub (hub)
|
||||
|
||||
+++ Battery Status
|
||||
/sys/class/power_supply/BAT0/manufacturer = SMP
|
||||
/sys/class/power_supply/BAT0/model_name = L14M4P23
|
||||
/sys/class/power_supply/BAT0/cycle_count = (not supported)
|
||||
/sys/class/power_supply/BAT0/energy_full_design = 60000 [mWh]
|
||||
/sys/class/power_supply/BAT0/energy_full = 51690 [mWh]
|
||||
/sys/class/power_supply/BAT0/energy_now = 50140 [mWh]
|
||||
/sys/class/power_supply/BAT0/power_now = 12185 [mW]
|
||||
/sys/class/power_supply/BAT0/status = Discharging
|
||||
|
||||
Charge = 97.0 [%]
|
||||
Capacity = 86.2 [%]
|
||||
```
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
||||
via: https://www.2daygeek.com/tlp-increase-optimize-linux-laptop-battery-life/
|
||||
|
||||
作者：[Magesh Maruthamuthu][a]
|
||||
选题：[lujun9972][b]
|
||||
译者：[译者ID](https://github.com/译者ID)
|
||||
校对：[校对者ID](https://github.com/校对者ID)
|
||||
|
||||
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
|
||||
|
||||
[a]: https://www.2daygeek.com/author/magesh/
|
||||
[b]: https://github.com/lujun9972
|
||||
[1]: https://www.2daygeek.com/check-laptop-battery-status-and-charging-state-in-linux-terminal/
|
||||
[2]: https://www.2daygeek.com/powertop-monitors-laptop-battery-usage-linux/
|
||||
[3]: https://www.2daygeek.com/monitor-laptop-battery-charging-state-linux/
|
||||
[4]: https://linrunner.de/en/tlp/docs/tlp-linux-advanced-power-management.html
|
||||
[5]: https://www.2daygeek.com/category/package-management/
|
||||
[6]: https://www.2daygeek.com/dnf-command-examples-manage-packages-fedora-system/
|
||||
[7]: https://www.2daygeek.com/apt-get-apt-cache-command-examples-manage-packages-debian-ubuntu-systems/
|
||||
[8]: https://www.2daygeek.com/apt-command-examples-manage-packages-debian-ubuntu-systems/
|
||||
[9]: https://www.2daygeek.com/pacman-command-examples-manage-packages-arch-linux-system/
|
||||
[10]: https://www.2daygeek.com/yum-command-examples-manage-packages-rhel-centos-systems/
|
||||
[11]: https://www.2daygeek.com/zypper-command-examples-manage-packages-opensuse-system/
|
||||
@ -1,5 +1,5 @@
|
||||
[#]: collector: (lujun9972)
|
||||
[#]: translator: ( )
|
||||
[#]: translator: (geekpi)
|
||||
[#]: reviewer: ( )
|
||||
[#]: publisher: ( )
|
||||
[#]: url: ( )
|
||||
|
||||
@ -1,107 +0,0 @@
|
||||
[#]: collector: (lujun9972)
|
||||
[#]: translator: (geekpi)
|
||||
[#]: reviewer: ( )
|
||||
[#]: publisher: ( )
|
||||
[#]: url: ( )
|
||||
[#]: subject: (Say goodbye to boilerplate in Python with attrs)
|
||||
[#]: via: (https://opensource.com/article/19/5/python-attrs)
|
||||
[#]: author: (Moshe Zadka https://opensource.com/users/moshez/users/moshez)
|
||||
|
||||
Say goodbye to boilerplate in Python with attrs
|
||||
======
|
||||
Learn more about solving common Python problems in our series covering
|
||||
seven PyPI libraries.
|
||||
![Programming at a browser, orange hands][1]
|
||||
|
||||
Python is one of the most [popular programming languages][2] in use today—and for good reasons: it's open source, it has a wide range of uses (such as web programming, business applications, games, scientific programming, and much more), and it has a vibrant and dedicated community supporting it. This community is the reason we have such a large, diverse range of software packages available in the [Python Package Index][3] (PyPI) to extend and improve Python and solve the inevitable glitches that crop up.
|
||||
|
||||
In this series, we'll look at seven PyPI libraries that can help you solve common Python problems. Today, we'll examine [**attrs**][4], a Python package that helps you write concise, correct code quickly.
|
||||
|
||||
### attrs
|
||||
|
||||
If you have been using Python for any length of time, you are probably used to writing code like:
|
||||
|
||||
|
||||
```
|
||||
class Book(object):
|
||||
|
||||
def __init__(self, isbn, name, author):
|
||||
self.isbn = isbn
|
||||
self.name = name
|
||||
self.author = author
|
||||
```
|
||||
|
||||
Then you write a **__repr__** function; otherwise, it would be hard to log instances of **Book** :
|
||||
|
||||
|
||||
```
|
||||
def __repr__(self):
|
||||
return f"Book({self.isbn}, {self.name}, {self.author})"
|
||||
```
|
||||
|
||||
Next, you write a nice docstring documenting the expected types. But you notice you forgot to add the **edition** and **published_year** attributes, so you have to modify them in five places.
|
||||
|
||||
What if you didn't have to?
|
||||
|
||||
|
||||
```
|
||||
@attr.s(auto_attribs=True)
|
||||
class Book(object):
|
||||
isbn: str
|
||||
name: str
|
||||
author: str
|
||||
published_year: int
|
||||
edition: int
|
||||
```
|
||||
|
||||
Annotating the attributes with types using the new type annotation syntax, **attrs** detects the annotations and creates a class.
|
||||
|
||||
ISBNs have a specific format. What if we want to enforce that format?
|
||||
|
||||
|
||||
```
|
||||
@attr.s(auto_attribs=True)
|
||||
class Book(object):
|
||||
isbn: str = attr.ib()
|
||||
@isbn.validator
|
||||
def pattern_match(self, attribute, value):
|
||||
m = re.match(r"^(\d{3}-)\d{1,3}-\d{2,3}-\d{1,7}-\d$", value)
|
||||
if not m:
|
||||
raise ValueError("incorrect format for isbn", value)
|
||||
name: str
|
||||
author: str
|
||||
published_year: int
|
||||
edition: int
|
||||
```
|
||||
|
||||
The **attrs** library also has great support for [immutability-style programming][5]. Changing the first line to **@attr.s(auto_attribs=True, frozen=True)** means that **Book** is now immutable: trying to modify an attribute will raise an exception. Instead, we can get a _new_ instance with modification using **attr.evolve(old_book, published_year=old_book.published_year+1)** , for example, if we need to push publication forward by a year.
|
||||
|
||||
In the next article in this series, we'll look at **singledispatch** , a library that allows you to add methods to Python libraries retroactively.
|
||||
|
||||
#### Review the previous articles in this series
|
||||
|
||||
* [Cython][6]
|
||||
* [Black][7]
|
||||
|
||||
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
||||
via: https://opensource.com/article/19/5/python-attrs
|
||||
|
||||
作者：[Moshe Zadka ][a]
|
||||
选题：[lujun9972][b]
|
||||
译者：[译者ID](https://github.com/译者ID)
|
||||
校对：[校对者ID](https://github.com/校对者ID)
|
||||
|
||||
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
|
||||
|
||||
[a]: https://opensource.com/users/moshez/users/moshez
|
||||
[b]: https://github.com/lujun9972
|
||||
[1]: https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/programming_code_keyboard_orange_hands.png?itok=G6tJ_64Y (Programming at a browser, orange hands)
|
||||
[2]: https://opensource.com/article/18/5/numbers-python-community-trends
|
||||
[3]: https://pypi.org/
|
||||
[4]: https://pypi.org/project/attrs/
|
||||
[5]: https://opensource.com/article/18/10/functional-programming-python-immutable-data-structures
|
||||
[6]: https://opensource.com/article/19/4/7-python-problems-solved-cython
|
||||
[7]: https://opensource.com/article/19/4/python-problems-solved-black
|
||||
@ -0,0 +1,588 @@
|
||||
[#]: collector: (lujun9972)
|
||||
[#]: translator: (wxy)
|
||||
[#]: reviewer: ( )
|
||||
[#]: publisher: ( )
|
||||
[#]: url: ( )
|
||||
[#]: subject: (TLP – An Advanced Power Management Tool That Improve Battery Life On Linux Laptop)
|
||||
[#]: via: (https://www.2daygeek.com/tlp-increase-optimize-linux-laptop-battery-life/)
|
||||
[#]: author: (Magesh Maruthamuthu https://www.2daygeek.com/author/magesh/)
|
||||
|
||||
TLP：一个可以延长 Linux 笔记本电池寿命的高级电源管理工具
|
||||
======
|
||||
|
||||
笔记本电池是针对 Windows 操作系统进行了高度优化的，当我在笔记本电脑中使用 Windows 操作系统时，我已经意识到这一点，但对于 Linux 来说却不一样。
|
||||
|
||||
多年来，Linux 在电池优化方面取得了很大进步，但我们仍然需要做一些必要的事情来改善 Linux 中笔记本电脑的电池寿命。
|
||||
|
||||
当我考虑电池寿命时，我没有多少选择，但我觉得 TLP 对我来说是一个更好的解决方案，所以我会继续使用它。
|
||||
|
||||
在本教程中，我们将详细讨论 TLP 以延长电池寿命。
|
||||
|
||||
我们之前在我们的网站上写了三篇关于 Linux [笔记本电池节电工具][1] 的文章：[PowerTOP][2] 和 [电池充电状态][3]。
|
||||
|
||||
### TLP
|
||||
|
||||
[TLP][4] 是一款自由开源的高级电源管理工具，可在不进行任何配置更改的情况下延长电池寿命。
|
||||
|
||||
由于它的默认配置已针对电池寿命进行了优化，因此你可能只需要安装，然后就忘记它吧。
|
||||
|
||||
此外，它可以高度定制化，以满足你的特定要求。TLP 是一个具有自动后台任务的纯命令行工具。它不包含GUI。
|
||||
|
||||
TLP 适用于各种品牌的笔记本电脑。设置电池充电阈值仅适用于 IBM/Lenovo ThinkPad。
|
||||
|
||||
所有 TLP 设置都存储在 `/etc/default/tlp` 中。其默认配置提供了开箱即用的优化的节能设置。
|
||||
|
||||
以下 TLP 设置可用于自定义，如果需要，你可以相应地进行必要的更改。
|
||||
|
||||
### TLP 功能
|
||||
|
||||
* 内核笔记本电脑模式和脏缓冲区超时
|
||||
* 处理器频率调整，包括 “turbo boost”/“turbo core”
|
||||
* 限制最大/最小的 P 状态以控制 CPU 的功耗
|
||||
* HWP 能源性能提示
|
||||
* 用于多核/超线程的功率感知进程调度程序
|
||||
* 处理器性能与节能策略（`x86_energy_perf_policy`）
|
||||
* 硬盘高级电源管理级别（APM）和降速超时（按磁盘）
|
||||
* AHCI 链路电源管理（ALPM）与设备黑名单
|
||||
* PCIe 活动状态电源管理（PCIe ASPM）
|
||||
* PCI(e) 总线设备的运行时电源管理
|
||||
* Radeon 图形电源管理（KMS 和 DPM）
|
||||
* Wifi 省电模式
|
||||
* 关闭驱动器托架中的光盘驱动器
|
||||
* 音频省电模式
|
||||
* I/O 调度程序（按磁盘）
|
||||
* USB 自动暂停，支持设备黑名单/白名单（输入设备自动排除）
|
||||
* 在系统启动和关闭时启用或禁用集成的 wifi、蓝牙或 wwan 设备
|
||||
* 在系统启动时恢复无线电设备状态（从之前的关机时的状态）
|
||||
* 无线电设备向导：在网络连接/断开和停靠/取消停靠时切换无线电
|
||||
* 禁用 LAN 唤醒
|
||||
* 挂起/休眠后恢复集成的 WWAN 和蓝牙状态
|
||||
* 英特尔处理器的动态电源降低 —— 需要内核和 PHC-Patch 支持
|
||||
* 电池充电阈值 —— 仅限 ThinkPad
|
||||
* 重新校准电池 —— 仅限 ThinkPad
|
||||
|
||||
### 如何在 Linux 上安装 TLP
|
||||
|
||||
TLP 包在大多数发行版官方存储库中都可用，因此，使用发行版的 [包管理器][5] 来安装它。
|
||||
|
||||
对于 Fedora 系统，使用 [DNF 命令][6] 安装 TLP。
|
||||
|
||||
```
|
||||
$ sudo dnf install tlp tlp-rdw
|
||||
```
|
||||
|
||||
ThinkPad 需要一些附加软件包。
|
||||
|
||||
```
|
||||
$ sudo dnf install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm
|
||||
$ sudo dnf install http://repo.linrunner.de/fedora/tlp/repos/releases/tlp-release.fc$(rpm -E %fedora).noarch.rpm
|
||||
$ sudo dnf install akmod-tp_smapi akmod-acpi_call kernel-devel
|
||||
```
|
||||
|
||||
安装 smartmontool 以显示 tlp-stat 中 S.M.A.R.T. 数据。
|
||||
|
||||
```
|
||||
$ sudo dnf install smartmontools
|
||||
```
|
||||
|
||||
对于 Debian/Ubuntu 系统，使用 [APT-GET 命令][7] 或 [APT 命令][8] 安装 TLP。
|
||||
|
||||
```
|
||||
$ sudo apt install tlp tlp-rdw
|
||||
```
|
||||
|
||||
ThinkPad 需要一些附加软件包。
|
||||
|
||||
```
|
||||
$ sudo apt-get install tp-smapi-dkms acpi-call-dkms
|
||||
```
|
||||
|
||||
安装 smartmontool 以显示 tlp-stat 中 S.M.A.R.T. 数据。
|
||||
|
||||
```
|
||||
$ sudo apt-get install smartmontools
|
||||
```
|
||||
|
||||
当基于 Ubuntu 的系统的官方软件包过时时，请使用以下 PPA 存储库，该存储库提供最新版本。运行以下命令以使用 PPA 安装 TLP。
|
||||
|
||||
```
|
||||
$ sudo apt-get install tlp tlp-rdw
|
||||
```
|
||||
|
||||
对于基于 Arch Linux 的系统，使用 [Pacman 命令][9] 安装 TLP。
|
||||
|
||||
```
|
||||
$ sudo pacman -S tlp tlp-rdw
|
||||
```
|
||||
|
||||
ThinkPad 需要一些附加软件包。
|
||||
|
||||
```
|
||||
$ pacman -S tp_smapi acpi_call
|
||||
```
|
||||
|
||||
安装 smartmontool 以显示 tlp-stat 中 S.M.A.R.T. 数据。
|
||||
|
||||
```
|
||||
$ sudo pacman -S smartmontools
|
||||
```
|
||||
|
||||
对于基于 Arch Linux 的系统，在启动时启用 TLP 和 TLP-Sleep 服务。
|
||||
|
||||
```
|
||||
$ sudo systemctl enable tlp.service
|
||||
$ sudo systemctl enable tlp-sleep.service
|
||||
```
|
||||
|
||||
对于基于 Arch Linux 的系统，你还应该屏蔽以下服务以避免冲突，并确保 TLP 的无线电设备切换选项的正确操作。
|
||||
|
||||
```
|
||||
$ sudo systemctl mask systemd-rfkill.service
|
||||
$ sudo systemctl mask systemd-rfkill.socket
|
||||
```
|
||||
|
||||
对于 RHEL/CentOS 系统，使用 [YUM 命令][10] 安装 TLP。
|
||||
|
||||
```
|
||||
$ sudo yum install tlp tlp-rdw
|
||||
```
|
||||
|
||||
安装 smartmontool 以显示 tlp-stat 中 S.M.A.R.T. 数据。
|
||||
|
||||
```
|
||||
$ sudo yum install smartmontools
|
||||
```
|
||||
|
||||
对于 openSUSE Leap 系统，使用 [Zypper 命令][11] 安装 TLP。
|
||||
|
||||
```
|
||||
$ sudo zypper install TLP
|
||||
```
|
||||
|
||||
安装 smartmontool 以显示 tlp-stat 中 S.M.A.R.T. 数据。
|
||||
|
||||
```
|
||||
$ sudo zypper install smartmontools
|
||||
```
|
||||
|
||||
成功安装 TLP 后，使用以下命令启动服务。
|
||||
|
||||
```
|
||||
$ systemctl start tlp.service
|
||||
```
|
||||
|
||||
### 使用方法
|
||||
|
||||
#### 显示电池信息
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -b
|
||||
或
|
||||
$ sudo tlp-stat --battery
|
||||
```
|
||||
|
||||
```
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ Battery Status
|
||||
/sys/class/power_supply/BAT0/manufacturer = SMP
|
||||
/sys/class/power_supply/BAT0/model_name = L14M4P23
|
||||
/sys/class/power_supply/BAT0/cycle_count = (not supported)
|
||||
/sys/class/power_supply/BAT0/energy_full_design = 60000 [mWh]
|
||||
/sys/class/power_supply/BAT0/energy_full = 48850 [mWh]
|
||||
/sys/class/power_supply/BAT0/energy_now = 48850 [mWh]
|
||||
/sys/class/power_supply/BAT0/power_now = 0 [mW]
|
||||
/sys/class/power_supply/BAT0/status = Full
|
||||
|
||||
Charge = 100.0 [%]
|
||||
Capacity = 81.4 [%]
|
||||
```
|
||||
|
||||
#### 显示磁盘信息
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -d
|
||||
或
|
||||
$ sudo tlp-stat --disk
|
||||
```
|
||||
|
||||
```
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ Storage Devices
|
||||
/dev/sda:
|
||||
Model = WDC WD10SPCX-24HWST1
|
||||
Firmware = 02.01A02
|
||||
APM Level = 128
|
||||
Status = active/idle
|
||||
Scheduler = mq-deadline
|
||||
|
||||
Runtime PM: control = on, autosuspend_delay = (not available)
|
||||
|
||||
SMART info:
|
||||
4 Start_Stop_Count = 18787
|
||||
5 Reallocated_Sector_Ct = 0
|
||||
9 Power_On_Hours = 606 [h]
|
||||
12 Power_Cycle_Count = 1792
|
||||
193 Load_Cycle_Count = 25775
|
||||
194 Temperature_Celsius = 31 [°C]
|
||||
|
||||
|
||||
+++ AHCI Link Power Management (ALPM)
|
||||
/sys/class/scsi_host/host0/link_power_management_policy = med_power_with_dipm
|
||||
/sys/class/scsi_host/host1/link_power_management_policy = med_power_with_dipm
|
||||
/sys/class/scsi_host/host2/link_power_management_policy = med_power_with_dipm
|
||||
/sys/class/scsi_host/host3/link_power_management_policy = med_power_with_dipm
|
||||
|
||||
+++ AHCI Host Controller Runtime Power Management
|
||||
/sys/bus/pci/devices/0000:00:17.0/ata1/power/control = on
|
||||
/sys/bus/pci/devices/0000:00:17.0/ata2/power/control = on
|
||||
/sys/bus/pci/devices/0000:00:17.0/ata3/power/control = on
|
||||
/sys/bus/pci/devices/0000:00:17.0/ata4/power/control = on
|
||||
```
|
||||
|
||||
#### 显示 PCI 设备信息
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -e
|
||||
或
|
||||
$ sudo tlp-stat --pcie
|
||||
```
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -e
|
||||
or
|
||||
$ sudo tlp-stat --pcie
|
||||
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ Runtime Power Management
|
||||
Device blacklist = (not configured)
|
||||
Driver blacklist = amdgpu nouveau nvidia radeon pcieport
|
||||
|
||||
/sys/bus/pci/devices/0000:00:00.0/power/control = auto (0x060000, Host bridge, skl_uncore)
|
||||
/sys/bus/pci/devices/0000:00:01.0/power/control = auto (0x060400, PCI bridge, pcieport)
|
||||
/sys/bus/pci/devices/0000:00:02.0/power/control = auto (0x030000, VGA compatible controller, i915)
|
||||
/sys/bus/pci/devices/0000:00:14.0/power/control = auto (0x0c0330, USB controller, xhci_hcd)
|
||||
/sys/bus/pci/devices/0000:00:16.0/power/control = auto (0x078000, Communication controller, mei_me)
|
||||
/sys/bus/pci/devices/0000:00:17.0/power/control = auto (0x010601, SATA controller, ahci)
|
||||
......
|
||||
```
|
||||
|
||||
#### 显示图形卡信息
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -g
|
||||
或
|
||||
$ sudo tlp-stat --graphics
|
||||
```
|
||||
|
||||
```
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ Intel Graphics
|
||||
/sys/module/i915/parameters/enable_dc = -1 (use per-chip default)
|
||||
/sys/module/i915/parameters/enable_fbc = 1 (enabled)
|
||||
/sys/module/i915/parameters/enable_psr = 0 (disabled)
|
||||
/sys/module/i915/parameters/modeset = -1 (use per-chip default)
|
||||
```
|
||||
|
||||
#### 显示处理器信息
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -p
|
||||
或
|
||||
$ sudo tlp-stat --processor
|
||||
```
|
||||
|
||||
```
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ Processor
|
||||
CPU model = Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz
|
||||
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors = performance powersave
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq = 800000 [kHz]
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq = 3500000 [kHz]
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/energy_performance_preference = balance_power
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power
|
||||
|
||||
......
|
||||
/sys/devices/system/cpu/intel_pstate/min_perf_pct = 22 [%]
|
||||
/sys/devices/system/cpu/intel_pstate/max_perf_pct = 100 [%]
|
||||
/sys/devices/system/cpu/intel_pstate/no_turbo = 0
|
||||
/sys/devices/system/cpu/intel_pstate/turbo_pct = 33 [%]
|
||||
/sys/devices/system/cpu/intel_pstate/num_pstates = 28
|
||||
|
||||
x86_energy_perf_policy: program not installed.
|
||||
|
||||
/sys/module/workqueue/parameters/power_efficient = Y
|
||||
/proc/sys/kernel/nmi_watchdog = 0
|
||||
|
||||
+++ Undervolting
|
||||
PHC kernel not available.
|
||||
```
|
||||
|
||||
#### 显示系统数据信息
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -s
|
||||
或
|
||||
$ sudo tlp-stat --system
|
||||
```
|
||||
|
||||
```
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ System Info
|
||||
System = LENOVO Lenovo ideapad Y700-15ISK 80NV
|
||||
BIOS = CDCN35WW
|
||||
Release = "Manjaro Linux"
|
||||
Kernel = 4.19.6-1-MANJARO #1 SMP PREEMPT Sat Dec 1 12:21:26 UTC 2018 x86_64
|
||||
/proc/cmdline = BOOT_IMAGE=/boot/vmlinuz-4.19-x86_64 root=UUID=69d9dd18-36be-4631-9ebb-78f05fe3217f rw quiet resume=UUID=a2092b92-af29-4760-8e68-7a201922573b
|
||||
Init system = systemd
|
||||
Boot mode = BIOS (CSM, Legacy)
|
||||
|
||||
+++ TLP Status
|
||||
State = enabled
|
||||
Last run = 11:04:00 IST, 596 sec(s) ago
|
||||
Mode = battery
|
||||
Power source = battery
|
||||
```
|
||||
|
||||
#### 显示温度和风扇速度信息
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -t
|
||||
或
|
||||
$ sudo tlp-stat --temp
|
||||
```
|
||||
|
||||
```
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ Temperatures
|
||||
CPU temp = 36 [°C]
|
||||
Fan speed = (not available)
|
||||
```
|
||||
|
||||
#### 显示 USB 设备数据信息
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -u
|
||||
或
|
||||
$ sudo tlp-stat --usb
|
||||
```
|
||||
|
||||
```
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ USB
|
||||
Autosuspend = disabled
|
||||
Device whitelist = (not configured)
|
||||
Device blacklist = (not configured)
|
||||
Bluetooth blacklist = disabled
|
||||
Phone blacklist = disabled
|
||||
WWAN blacklist = enabled
|
||||
|
||||
Bus 002 Device 001 ID 1d6b:0003 control = auto, autosuspend_delay_ms = 0 -- Linux Foundation 3.0 root hub (hub)
|
||||
Bus 001 Device 003 ID 174f:14e8 control = auto, autosuspend_delay_ms = 2000 -- Syntek (uvcvideo)
|
||||
......
|
||||
```
|
||||
|
||||
#### 显示警告信息
|
||||
|
||||
```
|
||||
$ sudo tlp-stat -w
|
||||
或
|
||||
$ sudo tlp-stat --warn
|
||||
```
|
||||
|
||||
```
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
No warnings detected.
|
||||
```
|
||||
|
||||
#### 状态报告及配置和所有活动的设置
|
||||
|
||||
```
|
||||
$ sudo tlp-stat
|
||||
```
|
||||
|
||||
```
|
||||
--- TLP 1.1 --------------------------------------------
|
||||
|
||||
+++ Configured Settings: /etc/default/tlp
|
||||
TLP_ENABLE=1
|
||||
TLP_DEFAULT_MODE=AC
|
||||
TLP_PERSISTENT_DEFAULT=0
|
||||
DISK_IDLE_SECS_ON_AC=0
|
||||
DISK_IDLE_SECS_ON_BAT=2
|
||||
MAX_LOST_WORK_SECS_ON_AC=15
|
||||
MAX_LOST_WORK_SECS_ON_BAT=60
|
||||
......
|
||||
|
||||
+++ System Info
|
||||
System = LENOVO Lenovo ideapad Y700-15ISK 80NV
|
||||
BIOS = CDCN35WW
|
||||
Release = "Manjaro Linux"
|
||||
Kernel = 4.19.6-1-MANJARO #1 SMP PREEMPT Sat Dec 1 12:21:26 UTC 2018 x86_64
|
||||
/proc/cmdline = BOOT_IMAGE=/boot/vmlinuz-4.19-x86_64 root=UUID=69d9dd18-36be-4631-9ebb-78f05fe3217f rw quiet resume=UUID=a2092b92-af29-4760-8e68-7a201922573b
|
||||
Init system = systemd
|
||||
Boot mode = BIOS (CSM, Legacy)
|
||||
|
||||
+++ TLP Status
|
||||
State = enabled
|
||||
Last run = 11:04:00 IST, 684 sec(s) ago
|
||||
Mode = battery
|
||||
Power source = battery
|
||||
|
||||
+++ Processor
|
||||
CPU model = Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz
|
||||
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_driver = intel_pstate
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor = powersave
|
||||
/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors = performance powersave
|
||||
......
|
||||
|
||||
/sys/devices/system/cpu/intel_pstate/min_perf_pct = 22 [%]
|
||||
/sys/devices/system/cpu/intel_pstate/max_perf_pct = 100 [%]
|
||||
/sys/devices/system/cpu/intel_pstate/no_turbo = 0
|
||||
/sys/devices/system/cpu/intel_pstate/turbo_pct = 33 [%]
|
||||
/sys/devices/system/cpu/intel_pstate/num_pstates = 28
|
||||
|
||||
x86_energy_perf_policy: program not installed.
|
||||
|
||||
/sys/module/workqueue/parameters/power_efficient = Y
|
||||
/proc/sys/kernel/nmi_watchdog = 0
|
||||
|
||||
+++ Undervolting
|
||||
PHC kernel not available.
|
||||
|
||||
+++ Temperatures
|
||||
CPU temp = 42 [°C]
|
||||
Fan speed = (not available)
|
||||
|
||||
+++ File System
|
||||
/proc/sys/vm/laptop_mode = 2
|
||||
/proc/sys/vm/dirty_writeback_centisecs = 6000
|
||||
/proc/sys/vm/dirty_expire_centisecs = 6000
|
||||
/proc/sys/vm/dirty_ratio = 20
|
||||
/proc/sys/vm/dirty_background_ratio = 10
|
||||
|
||||
+++ Storage Devices
|
||||
/dev/sda:
|
||||
Model = WDC WD10SPCX-24HWST1
|
||||
Firmware = 02.01A02
|
||||
APM Level = 128
|
||||
Status = active/idle
|
||||
Scheduler = mq-deadline
|
||||
|
||||
Runtime PM: control = on, autosuspend_delay = (not available)
|
||||
|
||||
SMART info:
|
||||
4 Start_Stop_Count = 18787
|
||||
5 Reallocated_Sector_Ct = 0
|
||||
9 Power_On_Hours = 606 [h]
|
||||
12 Power_Cycle_Count = 1792
|
||||
193 Load_Cycle_Count = 25777
|
||||
194 Temperature_Celsius = 31 [°C]
|
||||
|
||||
|
||||
+++ AHCI Link Power Management (ALPM)
|
||||
/sys/class/scsi_host/host0/link_power_management_policy = med_power_with_dipm
|
||||
/sys/class/scsi_host/host1/link_power_management_policy = med_power_with_dipm
|
||||
/sys/class/scsi_host/host2/link_power_management_policy = med_power_with_dipm
|
||||
/sys/class/scsi_host/host3/link_power_management_policy = med_power_with_dipm
|
||||
|
||||
+++ AHCI Host Controller Runtime Power Management
|
||||
/sys/bus/pci/devices/0000:00:17.0/ata1/power/control = on
|
||||
/sys/bus/pci/devices/0000:00:17.0/ata2/power/control = on
|
||||
/sys/bus/pci/devices/0000:00:17.0/ata3/power/control = on
|
||||
/sys/bus/pci/devices/0000:00:17.0/ata4/power/control = on
|
||||
|
||||
+++ PCIe Active State Power Management
|
||||
/sys/module/pcie_aspm/parameters/policy = powersave
|
||||
|
||||
+++ Intel Graphics
|
||||
/sys/module/i915/parameters/enable_dc = -1 (use per-chip default)
|
||||
/sys/module/i915/parameters/enable_fbc = 1 (enabled)
|
||||
/sys/module/i915/parameters/enable_psr = 0 (disabled)
|
||||
/sys/module/i915/parameters/modeset = -1 (use per-chip default)
|
||||
|
||||
+++ Wireless
|
||||
bluetooth = on
|
||||
wifi = on
|
||||
wwan = none (no device)
|
||||
|
||||
hci0(btusb) : bluetooth, not connected
|
||||
wlp8s0(iwlwifi) : wifi, connected, power management = on
|
||||
|
||||
+++ Audio
|
||||
/sys/module/snd_hda_intel/parameters/power_save = 1
|
||||
/sys/module/snd_hda_intel/parameters/power_save_controller = Y
|
||||
|
||||
+++ Runtime Power Management
|
||||
Device blacklist = (not configured)
|
||||
Driver blacklist = amdgpu nouveau nvidia radeon pcieport
|
||||
|
||||
/sys/bus/pci/devices/0000:00:00.0/power/control = auto (0x060000, Host bridge, skl_uncore)
|
||||
/sys/bus/pci/devices/0000:00:01.0/power/control = auto (0x060400, PCI bridge, pcieport)
|
||||
/sys/bus/pci/devices/0000:00:02.0/power/control = auto (0x030000, VGA compatible controller, i915)
|
||||
......
|
||||
|
||||
+++ USB
|
||||
Autosuspend = disabled
|
||||
Device whitelist = (not configured)
|
||||
Device blacklist = (not configured)
|
||||
Bluetooth blacklist = disabled
|
||||
Phone blacklist = disabled
|
||||
WWAN blacklist = enabled
|
||||
|
||||
Bus 002 Device 001 ID 1d6b:0003 control = auto, autosuspend_delay_ms = 0 -- Linux Foundation 3.0 root hub (hub)
|
||||
Bus 001 Device 003 ID 174f:14e8 control = auto, autosuspend_delay_ms = 2000 -- Syntek (uvcvideo)
|
||||
Bus 001 Device 002 ID 17ef:6053 control = on, autosuspend_delay_ms = 2000 -- Lenovo (usbhid)
|
||||
Bus 001 Device 004 ID 8087:0a2b control = auto, autosuspend_delay_ms = 2000 -- Intel Corp. (btusb)
|
||||
Bus 001 Device 001 ID 1d6b:0002 control = auto, autosuspend_delay_ms = 0 -- Linux Foundation 2.0 root hub (hub)
|
||||
|
||||
+++ Battery Status
|
||||
/sys/class/power_supply/BAT0/manufacturer = SMP
|
||||
/sys/class/power_supply/BAT0/model_name = L14M4P23
|
||||
/sys/class/power_supply/BAT0/cycle_count = (not supported)
|
||||
/sys/class/power_supply/BAT0/energy_full_design = 60000 [mWh]
|
||||
/sys/class/power_supply/BAT0/energy_full = 51690 [mWh]
|
||||
/sys/class/power_supply/BAT0/energy_now = 50140 [mWh]
|
||||
/sys/class/power_supply/BAT0/power_now = 12185 [mW]
|
||||
/sys/class/power_supply/BAT0/status = Discharging
|
||||
|
||||
Charge = 97.0 [%]
|
||||
Capacity = 86.2 [%]
|
||||
```
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
||||
via: https://www.2daygeek.com/tlp-increase-optimize-linux-laptop-battery-life/
|
||||
|
||||
作者：[Magesh Maruthamuthu][a]
|
||||
选题：[lujun9972][b]
|
||||
译者：[wxy](https://github.com/wxy)
|
||||
校对：[校对者ID](https://github.com/校对者ID)
|
||||
|
||||
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
|
||||
|
||||
[a]: https://www.2daygeek.com/author/magesh/
|
||||
[b]: https://github.com/lujun9972
|
||||
[1]: https://www.2daygeek.com/check-laptop-battery-status-and-charging-state-in-linux-terminal/
|
||||
[2]: https://www.2daygeek.com/powertop-monitors-laptop-battery-usage-linux/
|
||||
[3]: https://www.2daygeek.com/monitor-laptop-battery-charging-state-linux/
|
||||
[4]: https://linrunner.de/en/tlp/docs/tlp-linux-advanced-power-management.html
|
||||
[5]: https://www.2daygeek.com/category/package-management/
|
||||
[6]: https://www.2daygeek.com/dnf-command-examples-manage-packages-fedora-system/
|
||||
[7]: https://www.2daygeek.com/apt-get-apt-cache-command-examples-manage-packages-debian-ubuntu-systems/
|
||||
[8]: https://www.2daygeek.com/apt-command-examples-manage-packages-debian-ubuntu-systems/
|
||||
[9]: https://www.2daygeek.com/pacman-command-examples-manage-packages-arch-linux-system/
|
||||
[10]: https://www.2daygeek.com/yum-command-examples-manage-packages-rhel-centos-systems/
|
||||
[11]: https://www.2daygeek.com/zypper-command-examples-manage-packages-opensuse-system/
|
||||
@ -0,0 +1,106 @@
|
||||
[#]: collector: (lujun9972)
|
||||
[#]: translator: (geekpi)
|
||||
[#]: reviewer: ( )
|
||||
[#]: publisher: ( )
|
||||
[#]: url: ( )
|
||||
[#]: subject: (Say goodbye to boilerplate in Python with attrs)
|
||||
[#]: via: (https://opensource.com/article/19/5/python-attrs)
|
||||
[#]: author: (Moshe Zadka https://opensource.com/users/moshez/users/moshez)
|
||||
|
||||
使用 attrs 来告别 Python 中的样板
|
||||
======
|
||||
在我们覆盖 7 个 PyPI 库的系列文章中了解更多解决 Python 问题的信息。
|
||||
![Programming at a browser, orange hands][1]
|
||||
|
||||
Python是当今使用最多[流行的编程语言] [2]之一 - 并且有充分的理由：它是开源的，它具有广泛的用途（例如Web编程，业务应用程序，游戏，科学编程等等）更多），它有一个充满活力和专注的社区支持它。这个社区是我们在[Python Package Index] [3]（PyPI）中提供如此庞大，多样化的软件包的原因，以扩展和改进Python并解决不可避免的问题。
|
||||
|
||||
在本系列中，我们将介绍七个可以帮助你解决常见 Python 问题的 PyPI 库。今天，我们将研究 [**attrs**][4]，这是一个帮助你快速编写简洁，正确的代码的 Python 包。
|
||||
|
||||
### attrs
|
||||
|
||||
如果你已经写过一段时间的 Python，那么你可能习惯这样写代码：
|
||||
|
||||
|
||||
```
|
||||
class Book(object):
|
||||
|
||||
def __init__(self, isbn, name, author):
|
||||
self.isbn = isbn
|
||||
self.name = name
|
||||
self.author = author
|
||||
```
|
||||
|
||||
接着写一个 **__repr__** 函数。否则，很难记录 **Book** 的实例：
|
||||
|
||||
|
||||
```
|
||||
def __repr__(self):
|
||||
return f"Book({self.isbn}, {self.name}, {self.author})"
|
||||
```
|
||||
|
||||
接下来你会写一个好看的 docstring 来记录期望的类型。但是你注意到你忘了添加 **edition** 和 **published_year** 属性，所以你必须在五个地方修改它们。
|
||||
|
||||
如果你不必这么做如何？
|
||||
|
||||
|
||||
```
|
||||
@attr.s(auto_attribs=True)
|
||||
class Book(object):
|
||||
isbn: str
|
||||
name: str
|
||||
author: str
|
||||
published_year: int
|
||||
edition: int
|
||||
```
|
||||
|
||||
使用新的类型注释语法注释类型属性，**attrs** 会检测注释并创建一个类。
|
||||
|
||||
ISBN 有特定格式。如果我们想强行使用该格式怎么办？
|
||||
|
||||
|
||||
```
|
||||
@attr.s(auto_attribs=True)
|
||||
class Book(object):
|
||||
isbn: str = attr.ib()
|
||||
@isbn.validator
|
||||
def pattern_match(self, attribute, value):
|
||||
m = re.match(r"^(\d{3}-)\d{1,3}-\d{2,3}-\d{1,7}-\d$", value)
|
||||
if not m:
|
||||
raise ValueError("incorrect format for isbn", value)
|
||||
name: str
|
||||
author: str
|
||||
published_year: int
|
||||
edition: int
|
||||
```
|
||||
|
||||
**attrs** 库也对[不可变风格编程][5]支持良好。将第一行改成 **@attr.s(auto_attribs=True, frozen=True)** 意味着 **Book** 现在是不可变的：尝试修改一个属性将会引发一个异常。相反，比如，如果希望将发布日期向后一年，我们可以修改成 **attr.evolve(old_book, published_year=old_book.published_year+1)** 来得到一个_新的_实例。
|
||||
|
||||
本系列的下一篇文章我们将来看下 **singledispatch**，一个能让你向 Python 库添加方法的库。
|
||||
|
||||
#### 查看本系列先前的文章
|
||||
|
||||
* [Cython][6]
|
||||
* [Black][7]
|
||||
|
||||
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
||||
via: https://opensource.com/article/19/5/python-attrs
|
||||
|
||||
作者：[Moshe Zadka ][a]
|
||||
选题：[lujun9972][b]
|
||||
译者：[geekpi](https://github.com/geekpi)
|
||||
校对：[校对者ID](https://github.com/校对者ID)
|
||||
|
||||
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
|
||||
|
||||
[a]: https://opensource.com/users/moshez/users/moshez
|
||||
[b]: https://github.com/lujun9972
|
||||
[1]: https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/programming_code_keyboard_orange_hands.png?itok=G6tJ_64Y (Programming at a browser, orange hands)
|
||||
[2]: https://opensource.com/article/18/5/numbers-python-community-trends
|
||||
[3]: https://pypi.org/
|
||||
[4]: https://pypi.org/project/attrs/
|
||||
[5]: https://opensource.com/article/18/10/functional-programming-python-immutable-data-structures
|
||||
[6]: https://opensource.com/article/19/4/7-python-problems-solved-cython
|
||||
[7]: https://opensource.com/article/19/4/python-problems-solved-black
|
||||
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Reference in New Issue
Block a user