当 GPU 显示 99% 时，我的 Ubuntu 就出现了滞后。不过，有足够的内存和CPU来流畅运行。
请参阅以下详细信息：
GPU 使用情况：
$ nvidia-smi
Thu Oct 14 16:27:52 2021
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 440.33.01 Driver Version: 440.33.01 CUDA Version: 10.2 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 Graphics Device On | 00000000:01:00.0 Off | N/A |
| N/A 66C P0 90W / N/A | 6319MiB / 7982MiB | 99% Default |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| 0 1535 G /usr/lib/xorg/Xorg 28MiB |
| 0 1943 G /usr/bin/gnome-shell 50MiB |
| 0 3599 G /usr/lib/xorg/Xorg 218MiB |
| 0 3755 G /usr/bin/gnome-shell 156MiB |
| 0 4505 G /usr/lib/firefox/firefox 2MiB |
| 0 4591 G /usr/lib/firefox/firefox 2MiB |
| 0 4643 G /usr/lib/firefox/firefox 2MiB |
| 0 4992 G ...AAgAAAAAAAAACAAAAAAAAAA= --shared-files 38MiB |
| 0 6557 C python3 5699MiB |
| 0 7146 G ...AAgAAAAAAAAACAAAAAAAAAA= --shared-files 110MiB |
+-----------------------------------------------------------------------------+
CPU 和内存使用情况：
top - 16:30:31 up 1:37, 1 user, load average: 2.43, 2.88, 2.56
Tasks: 467 total, 2 running, 363 sleeping, 0 stopped, 0 zombie
%Cpu(s): 13.2 us, 0.8 sy, 0.0 ni, 85.2 id, 0.1 wa, 0.0 hi, 0.8 si, 0.0 st
KiB Mem : 32641040 total, 13042516 free, 12848156 used, 6750368 buff/cache
KiB Swap: 67108860 total, 67108860 free, 0 used. 19049248 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
6557 ravi 20 0 21.472g 7.537g 579128 R 156.2 24.2 141:14.39 python3
3755 ravi 20 0 5812852 406344 106060 S 12.5 1.2 4:45.23 gnome-shell
6751 ravi 20 0 557060 62464 47768 S 12.5 0.2 9:00.43 gnome-syste+
2032 root 20 0 2067300 12724 10748 S 6.2 0.0 0:03.00 teamviewerd
3806 ravi 20 0 356520 8856 6420 S 6.2 0.0 0:07.07 ibus-daemon
4799 ravi 20 0 799568 40980 30108 S 6.2 0.1 0:03.70 gnome-termi+
1 root 20 0 225744 9412 6548 S 0.0 0.0 0:08.75 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd
3 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 rcu_gp
4 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 rcu_par_gp
6 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kworker/0:0+
操作系统信息：
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.6 LTS
Release: 18.04
Codename: bionic
$ uname -r
5.4.0-86-generic
lshw -C 显示
$ sudo lshw -C display
[sudo] password for ravi:
*-display
description: VGA compatible controller
product: NVIDIA Corporation
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:01:00.0
logical name: /dev/fb0
version: a1
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vga_controller bus_master cap_list rom fb
configuration: depth=32 driver=nvidia latency=0 mode=1920x1080 visual=truecolor xres=1920 yres=1080
resources: iomemory:600-5ff iomemory:600-5ff irq:189 memory:a3000000-a3ffffff memory:6050000000-605fffffff memory:6060000000-6061ffffff ioport:5000(size=128) memory:a4000000-a407ffff
*-display
description: VGA compatible controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 05
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: iomemory:600-5ff iomemory:400-3ff irq:187 memory:6063000000-6063ffffff memory:4000000000-400fffffff ioport:6000(size=64) memory:c0000-dffff
有什么方法可以让Ubuntu顺利工作（而不杀死我的python进程）？