18.04：kubuntu：KDE：耗电量极高：速度变慢？

2024-6-10 • tag-icon

在 kubuntu 18.04 上，功耗非常高，有什么办法可以降低速度吗？

我已经禁用了所有效果并停止了合成器自动启动。使用相同的设置和应用程序，我的 3 芯电池可以在 GNOME（Ubuntu 18.04）上使用 Firefox 浏览 4 小时，现在我在 kubuntu KDE 上可以使用 1 小时多一点。

输出inxi -Fxz

System:   Kernel: 4.15.0-23-generic x86_64 bits: 64 gcc: 7.3.0 Console: tty 0 Distro: Ubuntu 18.04 LTS
Machine:   Device: laptop System: Dell product: Latitude E7240 v: 00 serial: <filter>                                        
Battery    BAT0: charge: 16.6 Wh 40.4% condition: 41.2/45.1 Wh (91%) model: SMP DELL KWFFN33 status: Discharging
CPU:       Dual core Intel Core i5-4300U (-MT-MCP-) arch: Haswell rev.1 cache: 3072 KB
           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 9976
           clock speeds: max: 2900 MHz 1: 959 MHz 2: 1832 MHz 3: 1888 MHz 4: 1818 MHz
Graphics:  Card: Intel Haswell-ULT Integrated Graphics Controller bus-ID: 00:02.0
           Display Server: X.Org 1.19.6 drivers: modesetting (unloaded: fbdev,vesa) Resolution: [email protected]
           OpenGL: renderer: Mesa DRI Intel Haswell Mobile version: 4.5 Mesa 18.0.0-rc5 Direct Render: Yes
Audio:     Card-1 Intel 8 Series HD Audio Controller driver: snd_hda_intel bus-ID: 00:1b.0
           Card-2 Intel Haswell-ULT HD Audio Controller driver: snd_hda_intel bus-ID: 00:03.0
           Sound: Advanced Linux Sound Architecture
Network:   Card-1: Intel Ethernet Connection I218-LM driver: e1000e port: f080 bus-ID: 00:19.0
           IF: eno1 state: down mac: <filter>
           Card-2: Qualcomm Atheros AR9485 Wireless Network Adapter driver: ath9k bus-ID: 02:00.0
           IF: wlp2s0 state: up mac: <filter>
Drives:    HDD Total Size: 378.1GB (23.5% used)
           ID-1: /dev/sda model: LITEONIT_LMT size: 128.0GB temp: 0C
           ID-2: /dev/sdb model: Samsung_SSD_860 size: 250.1GB temp: 0C
Partition: ID-1: / size: 76G used: 17G (24%) fs: ext4 dev: /dev/sda1
           ID-2: swap-1 size: 14.04GB used: 0.00GB (0%) fs: swap dev: /dev/sda3
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: 59.0C mobo: N/A
           Fan Speeds (in rpm): cpu: N/A
Info:      Processes: 198 Uptime: 17:34 Memory: 5747.1/7878.9MB Init: systemd runlevel: 5 Gcc sys: N/A
           Client: Shell (bash 4.4.191) inxi: 2.3.56

答案1

是的，事实证明，在系统设置中禁用效果和禁止合成器自动启动是不够的，而且实际上几乎没有效果！

真正的罪魁祸首是 KDE 的File Search功能！禁用它，你就大功告成了：

答案1

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