成功获取信息之前，需要nvidia-smi成功的获取到信息

# nvidia-smi 
Tue Sep 10 14:57:24 2024       
+-----------------------------------------------------------------------------------------+
| NVIDIA-SMI 555.58.02              Driver Version: 555.58.02      CUDA Version: 12.5     |
|-----------------------------------------+------------------------+----------------------+
| GPU  Name                 Persistence-M | Bus-Id          Disp.A | Volatile Uncorr. ECC |
| Fan  Temp   Perf          Pwr:Usage/Cap |           Memory-Usage | GPU-Util  Compute M. |
|                                         |                        |               MIG M. |
|=========================================+========================+======================|
|   0  NVIDIA GeForce RTX 3060        Off |   00000000:01:00.0 Off |                  N/A |
| 53%   70C    P0            168W /  170W |     311MiB /  12288MiB |    100%      Default |
|                                         |                        |                  N/A |
+-----------------------------------------+------------------------+----------------------+
|   1  NVIDIA GeForce RTX 3060        Off |   00000000:02:00.0 Off |                  N/A |
| 57%   73C    P0            169W /  170W |     311MiB /  12288MiB |    100%      Default |
|                                         |                        |                  N/A |
+-----------------------------------------+------------------------+----------------------+
|   2  NVIDIA GeForce RTX 3060        Off |   00000000:03:00.0 Off |                  N/A |
| 59%   74C    P0            166W /  170W |     311MiB /  12288MiB |    100%      Default |
|                                         |                        |                  N/A |
+-----------------------------------------+------------------------+----------------------+
|   3  NVIDIA GeForce RTX 3060        Off |   00000000:81:00.0 Off |                  N/A |
| 56%   72C    P0            167W /  170W |     311MiB /  12288MiB |    100%      Default |
|                                         |                        |                  N/A |
+-----------------------------------------+------------------------+----------------------+
|   4  NVIDIA GeForce RTX 3060        Off |   00000000:82:00.0 Off |                  N/A |
| 58%   73C    P0            166W /  170W |     311MiB /  12288MiB |    100%      Default |
|                                         |                        |                  N/A |
+-----------------------------------------+------------------------+----------------------+
|   5  NVIDIA GeForce RTX 3060        Off |   00000000:83:00.0 Off |                  N/A |
| 60%   74C    P0            168W /  170W |     311MiB /  12288MiB |    100%      Default |
|                                         |                        |                  N/A |
+-----------------------------------------+------------------------+----------------------+

+-----------------------------------------------------------------------------------------+
| Processes:                                                                              |
|  GPU   GI   CI        PID   Type   Process name                              GPU Memory |
|        ID   ID                                                               Usage      |
|=========================================================================================|
|    0   N/A  N/A      1970      C   /root/AiModel/Distributed_training            302MiB |
|    1   N/A  N/A      1970      C   /root/AiModel/Distributed_training            302MiB |
|    2   N/A  N/A      1970      C   /root/AiModel/Distributed_training            302MiB |
|    3   N/A  N/A      1970      C   /root/AiModel/Distributed_training            302MiB |
|    4   N/A  N/A      1970      C   /root/AiModel/Distributed_training            302MiB |
|    5   N/A  N/A      1970      C   /root/AiModel/Distributed_training            302MiB |
+-----------------------------------------------------------------------------------------+

gpu.sh

#!/bin/bash

# 获取 GPU 数量
gpu_count=$(nvidia-smi -a | grep 'Attached GPUs' | awk '{ print $4 }')

# 循环遍历所有 GPU
for (( i=0; i<gpu_count; i++ )); do
    echo "GPU $i:"
    nvidia-smi -a -i $i > /tmp/gpus$i.detail

    # 提取每个 GPU 的最大和当前时钟频率
    max_g=$(cat /tmp/gpus$i.detail | grep -A 4 "    Max Clocks" | grep -i "Graphics" | grep -iEow "[0-9].*" | sed 's/\ MHz//g')
    curr_g=$(cat /tmp/gpus$i.detail | grep -A 4 "    Clocks" | grep -i "Graphics" | grep -iEow "[0-9].*" | sed 's/\ MHz//g')

    max_sm=$(cat /tmp/gpus$i.detail | grep -A 4 "    Max Clocks" | grep -i "SM" | grep -iEow "[0-9].*" | sed 's/\ MHz//g')
    curr_sm=$(cat /tmp/gpus$i.detail | grep -A 4 "    Clocks" | grep -i "SM" | grep -iEow "[0-9].*" | sed 's/\ MHz//g')

    max_mem=$(cat /tmp/gpus$i.detail | grep -A 4 "    Max Clocks" | grep -i "Memory" | grep -iEow "[0-9].*" | sed 's/\ MHz//g')
    curr_mem=$(cat /tmp/gpus$i.detail | grep -A 4 "    Clocks" | grep -i "Memory" | grep -iEow "[0-9].*" | sed 's/\ MHz//g')

    max_video=$(cat /tmp/gpus$i.detail | grep -A 4 "    Max Clocks" | grep -i "Video" | grep -iEow "[0-9].*" | sed 's/\ MHz//g')
    curr_video=$(cat /tmp/gpus$i.detail | grep -A 4 "    Clocks" | grep -i "Video" | grep -iEow "[0-9].*" | sed 's/\ MHz//g')

    # 打印 GPU 信息
    echo -e "图形频率: ${curr_g} / ${max_g} MHz\nSM频率: ${curr_sm} / ${max_sm} MHz\n显存频率: ${curr_mem} / ${max_mem} MHz\n视频频率: ${curr_video} / ${max_video} MHz"

    # 删除临时文件
    rm /tmp/gpus$i.detail
done