def vmstat():
 vm_stat = ['vm status:']
 vm_stat += utils.system_output('vmstat', verbose=False).splitlines()
 vm_stat += ['\n']
 return vm_stat

def vmstat ( ) : vm_stat = [ 'vm status:' ] vm_stat += utils . system_output ( 'vmstat' , verbose = False ) . splitlines ( ) vm_stat += [ '\n' ] return vm_stat
get memory status information .