import os
from collections import Counter
from tqdm import tqdm

def count_lengths(folder_path):
    lengths = []
    
    for filename in os.listdir(folder_path):
        if filename.endswith('.pt'):
            parts = filename.split('_')
            if len(parts) >= 4:
                try:
                    length = int(parts[-3])
                    resolution = f"{length}"
                    lengths.append(resolution)
                except ValueError:
                    print(f"无法解析文件: {filename}")
    
    counter = Counter(lengths)
    
    print("各长度统计：")
    for length, count in sorted(counter.items(), key=lambda x: x[1], reverse=True):
        print(f"{length}: {count}个文件")
    
    total_files = sum(counter.values())
    print(f"\n总计: {total_files}个文件")
    
    return counter

# 使用方法：
count_lengths("/mnt/bn/yufan-dev-my/ysh/Datasets/fp_offload_latents")