解决 nvidia-smi 卡顿

# time nvidia-smi

Mon Feb  8 15:30:11 2021
+-----------------------------------------------------------------------------+
...
...
...
+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|  No running processes found                                                 |
+-----------------------------------------------------------------------------+

real	0m10.857s
user	0m0.005s
sys	0m9.823s

# nvidia-smi -pm 1

或者

# nvidia-persistenced --persistence-mode

-pm, –persistence-mode= Set persistence mode: 0/DISABLED, 1/ENABLED

–persistence-mode, –no-persistence-mode
By default, nvidia-persistenced starts with persistence mode enabled for all devices. Use ‘–no-persistence-mode’ to force persistence mode off for all devices
on startup.