[Python Study Notes] disk partitioning and IO performance

"" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "", "" "". "" "" "" "" "" "" "" "," "" "" "," "" "" "," "" "," "" ">> Disk Information .py>> Author: Liu Yang>> e-mail: [email protected] "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "." "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" #!/usr/bin/env python#-*-coding:utf-8-*-import sys,osimport Psutilfrom Time Import sleep ' judgment Platform ' def Platform_judge (): # Returns the platform Information lowercase platform=sys.platform.lower () return plat The form ' converts the bytes number into a more intuitive symbol display ' ' Def bytes2symbols (bytes_value): ' Unit symbol ' ' symbols = (' K ', ' M ', ' G ', ' T ', ' P ', ' E ', ' Z ') , ' Y ') "Each unit corresponds to the bytes number of dictionaries, first defined as null ' ' prefix={} ' to get such {k:1024, m:1024*1024,g:1024**3}, for Loop" ' for I,s in E Numerate (symbols): # ' Enumerate () for enumeration function ' # ' I: for subscript ' # ' s: Represents the value of the subscript corresponding to the value ' # ' to take to the symbol tuple, as    For Prfix dictionary key, assign value to value according to key ' prefix[s]=1024** (i+1) # ' ' Print the corresponding Dictionary ' ' ' # ' ' # ' (prefix) symbols_value=0 Symbol= ' # ' Loop prefix dictionary, get converted value ' for Key,value In Prefix.items (): If Bytes_value >=value:symbols_value=bytes_value/value symbol=key # If the minimum KB is not met, the elif bytes_value <1024:return '%0.2fb '%bytes_value # "is shown in B to return the converted value (str)" ' Return '%0.2F%SB '% (symbols_value,symbol) ' real-time IO rate display ' def disk_io_message (): T1 = psutil.disk_io_counters () SL EEP (1) "Judgment Platform, command clear screen" if platform_judge () = = ' Linux ': Os.system (' Clear ') else:os.system (' cls ') t 2 = psutil.disk_io_counters () read_bytes = Bytes2symbols (t2.read_bytes-t1.read_bytes) write_bytes = Bytes2symbols ( T2.write_bytes-t1.write_bytes) # TPS TPS = T2.read_count + T2.write_count-t1.read_count-t1.write_count prin    T (' Read/s:%10s '%read_bytes) print (' Write/s:%10s '%write_bytes) print (' tps:%10d '%tps) ' disk partition information display ' Def disk_partitions (): # Get a list of disk details disks=psutil.disk_partitions () # loop list, print for disk in Disks:print ('%s%6s%10s '% (disk.device , disk.fstype,disk.opts))if __name__ = = ' __main__ ': # Platform=platform_judge () # Value=bytes2symbols (1025) # Print (value) # Print (plat form) while True:disk_io_message () # Disk partition information # disk_partitions () # IO Real-time Performance Information # disk_io_message ()

[Python Study Notes] disk partitioning and IO performance