编写监控程序读取磁盘监控文件/proc/diskstats,找出磁盘读的次数、写的次数,读字节数、磁盘写耗时;
时间: 2023-11-28 09:48:22 浏览: 75
好的,这里提供一个Python的示例代码,实现读取磁盘监控文件/proc/diskstats,统计磁盘读写次数、读字节数、磁盘写耗时:
```python
import time
def get_disk_stats():
# 读取磁盘监控文件
with open('/proc/diskstats', 'r') as f:
stats = f.readlines()
disk_stats = {}
for line in stats:
# 按空格分割每个字段
fields = line.split()
# 第三个字段为磁盘名称
disk_name = fields[2]
# 只统计主磁盘,排除分区
if disk_name.endswith('0'):
# 统计磁盘读写次数和读字节数
read_count = int(fields[3])
write_count = int(fields[7])
read_bytes = int(fields[5]) * 512 # 一个块大小为512字节
# 统计磁盘写耗时
write_time = int(fields[15])
disk_stats[disk_name] = {
'read_count': read_count,
'write_count': write_count,
'read_bytes': read_bytes,
'write_time': write_time
}
return disk_stats
# 每隔1秒读取一次磁盘监控信息,输出到控制台
while True:
disk_stats = get_disk_stats()
for disk_name, stats in disk_stats.items():
print('Disk:', disk_name)
print('Read count:', stats['read_count'])
print('Write count:', stats['write_count'])
print('Read bytes:', stats['read_bytes'])
print('Write time:', stats['write_time'])
time.sleep(1)
```
这段代码会每隔1秒钟读取一次磁盘监控文件,并输出磁盘读写次数、读字节数、磁盘写耗时等信息。注意,这里只对主磁盘进行了统计,排除了分区。