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memusage.5s.py
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#!/usr/bin/env python
# <bitbar.title>Memory usage</bitbar.title>
# <bitbar.version>v1.0</bitbar.version>
# <bitbar.author>Gautam krishna R</bitbar.author>
# <bitbar.author.github>gautamkrishnar</bitbar.author.github>
# <bitbar.desc>Shows the current system memmory usage.</bitbar.desc>
# <bitbar.dependencies>python</bitbar.dependencies>
# <bitbar.abouturl>https://github.com/matryer/bitbar-plugins/blob/master/System/memusage.5s.py</bitbar.abouturl>
import subprocess
import re
# Get process info
ps = subprocess.Popen(['ps', '-caxm', '-orss,comm'], stdout=subprocess.PIPE).communicate()[0]
vm = subprocess.Popen(['vm_stat'], stdout=subprocess.PIPE).communicate()[0]
# Iterate processes
processLines = ps.split('\n')
sep = re.compile('[\s]+')
rssTotal = 0 # kB
for row in range(1,len(processLines)):
rowText = processLines[row].strip()
rowElements = sep.split(rowText)
try:
rss = float(rowElements[0]) * 1024
except:
rss = 0 # ignore...
rssTotal += rss
# Process vm_stat
vmLines = vm.split('\n')
sep = re.compile(':[\s]+')
vmStats = {}
for row in range(1,len(vmLines)-2):
rowText = vmLines[row].strip()
rowElements = sep.split(rowText)
vmStats[(rowElements[0])] = int(rowElements[1].strip('\.')) * 4096
print 'Wired Memory:\t\t%d MB' % ( vmStats["Pages wired down"]/1024/1024 )
print 'Active Memory:\t\t%d MB' % ( vmStats["Pages active"]/1024/1024 )
print 'Inactive Memory:\t%d MB' % ( vmStats["Pages inactive"]/1024/1024 )
print 'Free Memory:\t\t%d MB' % ( vmStats["Pages free"]/1024/1024 )
print 'Real Mem Total (ps):\t%.3f MB' % ( rssTotal/1024/1024 )