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Linux /proc/<pid>/smaps analyzer python script
#!/usr/bin/env python
# encoding: utf-8
from __future__ import print_function
'''
analyze /proc/<pid>/smaps
doc
http://liutaihua.github.io/2013/04/25/process-smaps-analysis.html
http://www.cnblogs.com/jiayy/p/3458076.html
http://www.cnblogs.com/bravery/archive/2012/06/27/2560611.html
'''
import re
import sys
head_regex = re.compile(r"[\da-f]+-[\da-f]+")
item_regex = re.compile(r"(\w+):\s*(\d+)\s*")
def is_head_line(line):
return head_regex.search(line) != None
def get_head_line_name(line):
m = re.search(' {3,}', line)
if m != None:
return line[m.end():].rstrip()
# print("can't get name for:" + line)
return "unknown"
def parse_smap(lines):
smaps = {}
i = 0
while i < len(lines):
name = get_head_line_name(lines[i])
if name != None:
name = name.rstrip()
else:
name = 'unknown'
if not smaps.has_key(name):
value_map = {}
smaps[name] = value_map
else:
value_map = smaps[name]
i += 1
while i < len(lines) and not is_head_line(lines[i]):
seg_line = lines[i]
i += 1
m = item_regex.search(seg_line)
if m != None:
type = m.group(1)
size = m.group(2)
size = int(size)
if not value_map.has_key(type):
value_map[type] = size
else:
value_map[type] = value_map[type] + size
return smaps
def sort_smaps(smaps, by_type):
return sorted(smaps.iteritems(), key=lambda (k, v): (v[by_type], k), reverse=True)
def print_if(smaps, if_cond=lambda name, map: True):
NAME = "name"
PSS = "Pss"
RSS = "Rss"
SIZE = "Size"
OTHER = "other"
print(PSS + "\t\t" + RSS + "\t\t" + SIZE + "\t\t" + NAME + "\t" + OTHER)
for (name, map) in smaps:
if if_cond(name, map):
print("%d kB\t\t%d kB\t\t%d kB\t\t%s\t%s" % (map[PSS], map[RSS], map[SIZE], name, ""))
def count_if(smaps, type, if_cond=lambda name, map: True):
count = 0
for (name, map) in smaps:
if if_cond(name, map):
count += map[type]
return count
######## custom report methods #############
def plot_chart(smaps):
# order by pss
smaps = sort_smaps(smaps, 'Pss' if len(sys.argv) < 3 else sys.argv[2])
is_stack = lambda name, map: re.search('\[.*stack.*\]', name) != None
all_so_maps_if = lambda name, map: re.search('\.so$', name) != None
all_dex_maps_if = lambda name, map: re.search('\.(dex)|(odex)|(art)$', name) != None
app_so_maps_if = lambda name, map: re.search('com\.tencent\.radio\.debug.*\.so$', name) != None
app_lib_so_maps_if = lambda name, map: re.search('com\.tencent\.radio\.debug.*/lib/arm.*\.so$', name) != None
app_dex_maps_if = lambda name, map: re.search('com\.tencent\.radio\.debug.*oat.*\.(dex)|(odex)|(art)$', name) != None
app_lib_dex_maps_if = lambda name, map: re.search('com\.tencent\.radio\.debug.*oat.*\.(dex)|(odex)|(art)$', name) != None
avlive_maps_if = lambda name, map: re.search('txav', name) != None
tbs_maps_if = lambda name, map: re.search('tbs', name) != None
print("all data")
print_if(smaps)
print("stack maps")
print_if(smaps, is_stack)
print("all so maps")
print_if(smaps, all_so_maps_if)
print("all dex maps")
print_if(smaps, all_dex_maps_if)
print("app so maps")
print_if(smaps, app_so_maps_if)
print("app lib so maps")
print_if(smaps, app_lib_so_maps_if)
print("app dex maps")
print_if(smaps, app_lib_dex_maps_if)
print("avlive txav maps")
print_if(smaps, avlive_maps_if)
print("tbs maps")
print_if(smaps, tbs_maps_if)
print("")
print("map Pss total = %d Kb" % count_if(smaps, 'Pss'))
print("map Vss total = %d Kb" % count_if(smaps, 'Size'))
print("stacks Pss = %d kB" % count_if(smaps, 'Pss', is_stack))
print("stacks Vss = %d kB" % count_if(smaps, 'Size', is_stack))
print("all so map Pss = %d kB" % count_if(smaps, 'Pss', all_so_maps_if))
print("all so map Vss = %d kB" % count_if(smaps, 'Size', all_so_maps_if))
print("all dex map Pss = %d kB" % count_if(smaps, 'Pss', all_dex_maps_if))
print("all dex map Vss = %d kB" % count_if(smaps, 'Size', all_dex_maps_if))
print("app so map Rss")
print("app so map Rss = %d kB" % count_if(smaps, 'Rss', app_so_maps_if))
print("app so map Vss = %d kB" % count_if(smaps, 'Size', app_so_maps_if))
print("app dex map Rss")
print("app dex map Rss = %d kB" % count_if(smaps, 'Rss', app_dex_maps_if))
print("app map Vss = %d kB" % count_if(smaps, 'Size', app_dex_maps_if))
print("app_tbs")
print("tbs mem map Pss = %d kB" % count_if(smaps, 'Pss', tbs_maps_if))
print("avlive txav")
print("tbs mem map Pss = %d kB" % count_if(smaps, 'Pss', avlive_maps_if))
if __name__ == '__main__':
if len(sys.argv) > 1:
file = sys.argv[1]
if file == '-':
file = sys.stdin
else:
file = open(file)
lines = [l.strip('\n') for l in file.readlines()]
smaps = parse_smap(lines)
plot_chart(smaps)
else:
print(sys.argv[0] + " /proc/<pid>/smaps <order_by>")
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