Created
February 25, 2013 21:27
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Outputs memory stats on the command line for OS X. Similar to (but way different than) free on Linux.
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#!/usr/bin/python | |
# Credit to drfrogsplat from here: | |
# http://apple.stackexchange.com/questions/4286/is-there-a-mac-os-x-terminal-version-of-the-free-command-in-linux-systems | |
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%d MB' % ( rssTotal/1024/1024 ) |
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