352 lines
13 KiB
Python
Executable File
352 lines
13 KiB
Python
Executable File
#!/usr/bin/python
|
|
#
|
|
# Copyright (c) 2016, Intel Corporation
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
# Based on a script by:
|
|
# Chereau, Fabien <fabien.chereau@intel.com>
|
|
|
|
import os
|
|
import re
|
|
from optparse import OptionParser
|
|
import sys
|
|
import argparse
|
|
import subprocess
|
|
import json
|
|
import operator
|
|
|
|
class bcolors:
|
|
HEADER = '\033[95m'
|
|
OKBLUE = '\033[94m'
|
|
OKGREEN = '\033[92m'
|
|
WARNING = '\033[93m'
|
|
FAIL = '\033[91m'
|
|
ENDC = '\033[0m'
|
|
BOLD = '\033[1m'
|
|
UNDERLINE = '\033[4m'
|
|
|
|
|
|
parser = OptionParser()
|
|
parser.add_option("-d", "--depth", dest="depth", type="int",
|
|
help="How deep should we go into the tree", metavar="DEPTH")
|
|
parser.add_option("-o", "--outdir", dest="outdir",
|
|
help="read files from directory OUT", metavar="OUT")
|
|
parser.add_option("-k", "--kernel-name", dest="binary", default="zephyr",
|
|
help="kernel binary name")
|
|
parser.add_option("-r", "--ram",
|
|
action="store_true", dest="ram", default=False,
|
|
help="print RAM statistics")
|
|
parser.add_option("-F", "--rom",
|
|
action="store_true", dest="rom", default=False,
|
|
help="print ROM statistics")
|
|
|
|
(options, args) = parser.parse_args()
|
|
|
|
# Return a dict containing symbol_name: path/to/file/where/it/originates
|
|
# for all symbols from the .elf file. Optionnaly strips the path according
|
|
# to the passed sub-path
|
|
def load_symbols_and_paths(elf_file, path_to_strip = None):
|
|
symbols_paths = {}
|
|
nm_out = subprocess.check_output(["nm", elf_file, "-S", "-l", "--size-sort", "--radix=d"])
|
|
for line in nm_out.split('\n'):
|
|
fields = line.replace('\t', ' ').split(' ')
|
|
# Get rid of trailing empty field
|
|
if len(fields) == 1 and fields[0] == '':
|
|
continue
|
|
assert len(fields)>=4
|
|
if len(fields)<5:
|
|
path = ":/" + fields[3]
|
|
else:
|
|
path = fields[4].split(':')[0]
|
|
if path_to_strip != None:
|
|
if path_to_strip in path:
|
|
path = path.replace(path_to_strip, "") + '/' + fields[3]
|
|
else:
|
|
path = ":/" + fields[3]
|
|
symbols_paths[fields[3]] = path
|
|
return symbols_paths
|
|
|
|
def get_section_size(f, section_name):
|
|
decimal_size = 0
|
|
re_res = re.search(r"(.*] "+section_name+".*)", f, re.MULTILINE)
|
|
if re_res != None :
|
|
# Replace multiple spaces with one space
|
|
# Skip first characters to avoid having 1 extra random space
|
|
res = ' '.join(re_res.group(1).split())[5:]
|
|
decimal_size = int(res.split()[4], 16)
|
|
return decimal_size
|
|
|
|
def get_footprint_from_bin_and_statfile(bin_file, stat_file, total_flash, total_ram):
|
|
"""Compute flash and RAM memory footprint from a .bin and.stat file"""
|
|
f = open(stat_file).read()
|
|
|
|
# Get kctext + text + ctors + rodata + kcrodata segment size
|
|
total_used_flash = os.path.getsize(bin_file)
|
|
|
|
#getting used ram on target
|
|
total_used_ram = (get_section_size(f, "noinit") + get_section_size(f, "bss")
|
|
+ get_section_size(f, "initlevel") + get_section_size(f, "datas") + get_section_size(f, ".data")
|
|
+ get_section_size(f, ".heap") + get_section_size(f, ".stack") + get_section_size(f, ".bss")
|
|
+ get_section_size(f, ".panic_section"))
|
|
|
|
total_percent_ram = 0
|
|
total_percent_flash = 0
|
|
if total_ram > 0:
|
|
total_percent_ram = float(total_used_ram) / total_ram * 100
|
|
if total_flash >0:
|
|
total_percent_flash = float(total_used_flash) / total_flash * 100
|
|
|
|
res = { "total_flash": total_used_flash,
|
|
"percent_flash": total_percent_flash,
|
|
"total_ram": total_used_ram,
|
|
"percent_ram": total_percent_ram}
|
|
return res
|
|
|
|
def generate_target_memory_section(out, kernel_name, source_dir, features_json):
|
|
features_path_data = None
|
|
try:
|
|
features_path_data = json.loads(open(features_json, 'r').read())
|
|
except:
|
|
pass
|
|
|
|
bin_file_abs = os.path.join(out, kernel_name+'.bin')
|
|
elf_file_abs = os.path.join(out, kernel_name+'.elf')
|
|
|
|
# First deal with size on flash. These are the symbols flagged as LOAD in objdump output
|
|
size_out = subprocess.check_output(["objdump", "-hw", elf_file_abs])
|
|
loaded_section_total = 0
|
|
loaded_section_names = []
|
|
loaded_section_names_sizes = {}
|
|
ram_section_total = 0
|
|
ram_section_names = []
|
|
ram_section_names_sizes = {}
|
|
for line in size_out.split('\n'):
|
|
if "LOAD" in line:
|
|
loaded_section_total = loaded_section_total + int(line.split()[2], 16)
|
|
loaded_section_names.append(line.split()[1])
|
|
loaded_section_names_sizes[line.split()[1]] = int(line.split()[2], 16)
|
|
if "ALLOC" in line and "READONLY" not in line and "rodata" not in line and "CODE" not in line:
|
|
ram_section_total = ram_section_total + int(line.split()[2], 16)
|
|
ram_section_names.append(line.split()[1])
|
|
ram_section_names_sizes[line.split()[1]] = int(line.split()[2], 16)
|
|
|
|
# Actual .bin size, which doesn't not always match section sizes
|
|
bin_size = os.stat(bin_file_abs).st_size
|
|
|
|
# Get the path associated to each symbol
|
|
symbols_paths = load_symbols_and_paths(elf_file_abs, source_dir)
|
|
|
|
# A set of helper function for building a simple tree with a path-like
|
|
# hierarchy.
|
|
def _insert_one_elem(tree, path, size):
|
|
splitted_path = path.split('/')
|
|
cur = None
|
|
for p in splitted_path:
|
|
if cur == None:
|
|
cur = p
|
|
else:
|
|
cur = cur + '/' + p
|
|
if cur in tree:
|
|
tree[cur] += size
|
|
else:
|
|
tree[cur] = size
|
|
|
|
def _parent_for_node(e):
|
|
parent = "root" if len(e.split('/')) == 1 else e.rsplit('/', 1)[0]
|
|
if e == "root":
|
|
parent = None
|
|
return parent
|
|
|
|
def _childs_for_node(tree, node):
|
|
res = []
|
|
for e in tree:
|
|
if _parent_for_node(e) == node:
|
|
res += [e]
|
|
return res
|
|
|
|
def _siblings_for_node(tree, node):
|
|
return _childs_for_node(tree, _parent_for_node(node))
|
|
|
|
def _max_sibling_size(tree, node):
|
|
siblings = _siblings_for_node(tree, node)
|
|
return max([tree[e] for e in siblings])
|
|
|
|
|
|
# Extract the list of symbols a second time but this time using the objdump tool
|
|
# which provides more info as nm
|
|
symbols_out = subprocess.check_output(["objdump", "-tw", elf_file_abs])
|
|
flash_symbols_total = 0
|
|
data_nodes = {}
|
|
data_nodes['root'] = 0
|
|
|
|
ram_symbols_total = 0
|
|
ram_nodes = {}
|
|
ram_nodes['root'] = 0
|
|
for l in symbols_out.split('\n'):
|
|
line = l[0:9] + "......." + l[16:]
|
|
fields = line.replace('\t', ' ').split(' ')
|
|
# Get rid of trailing empty field
|
|
if len(fields) != 5:
|
|
continue
|
|
size = int(fields[3], 16)
|
|
if fields[2] in loaded_section_names and size != 0:
|
|
flash_symbols_total += size
|
|
_insert_one_elem(data_nodes, symbols_paths[fields[4]], size)
|
|
if fields[2] in ram_section_names and size != 0:
|
|
ram_symbols_total += size
|
|
_insert_one_elem(ram_nodes, symbols_paths[fields[4]], size)
|
|
|
|
def _init_features_list_results(features_list):
|
|
for feature in features_list:
|
|
_init_feature_results(feature)
|
|
|
|
def _init_feature_results(feature):
|
|
feature["size"] = 0
|
|
# recursive through children
|
|
for child in feature["children"]:
|
|
_init_feature_results(child)
|
|
|
|
def _check_all_symbols(symbols_struct, features_list):
|
|
out = ""
|
|
sorted_nodes = sorted(symbols_struct.items(), key=operator.itemgetter(0))
|
|
named_symbol_filter = re.compile('.*\.[a-zA-Z]+/.*')
|
|
out_symbols_filter = re.compile('^:/')
|
|
for symbpath in sorted_nodes:
|
|
matched = 0
|
|
# The files and folders (not matching regex) are discarded
|
|
# like: folder folder/file.ext
|
|
is_symbol=named_symbol_filter.match(symbpath[0])
|
|
is_generated=out_symbols_filter.match(symbpath[0])
|
|
if is_symbol == None and is_generated == None:
|
|
continue
|
|
# The symbols inside a file are kept: folder/file.ext/symbol
|
|
# and unrecognized paths too (":/")
|
|
for feature in features_list:
|
|
matched = matched + _does_symbol_matches_feature(symbpath[0], symbpath[1], feature)
|
|
if matched is 0:
|
|
out += "UNCATEGORIZED: %s %d<br/>" % (symbpath[0], symbpath[1])
|
|
return out
|
|
|
|
def _does_symbol_matches_feature(symbol, size, feature):
|
|
matched = 0
|
|
# check each include-filter in feature
|
|
for inc_path in feature["folders"]:
|
|
# filter out if the include-filter is not in the symbol string
|
|
if inc_path not in symbol:
|
|
continue
|
|
# if the symbol match the include-filter, check against exclude-filter
|
|
is_excluded = 0
|
|
for exc_path in feature["excludes"]:
|
|
if exc_path in symbol:
|
|
is_excluded = 1
|
|
break
|
|
if is_excluded == 0:
|
|
matched = 1
|
|
feature["size"] = feature["size"] + size
|
|
# it can only be matched once per feature (add size once)
|
|
break
|
|
# check children independently of this feature's result
|
|
for child in feature["children"]:
|
|
child_matched = _does_symbol_matches_feature(symbol, size, child)
|
|
matched = matched + child_matched
|
|
return matched
|
|
|
|
|
|
|
|
# Create a simplified tree keeping only the most important contributors
|
|
# This is used for the pie diagram summary
|
|
min_parent_size = bin_size/25
|
|
min_sibling_size = bin_size/35
|
|
tmp = {}
|
|
for e in data_nodes:
|
|
if _parent_for_node(e) == None:
|
|
continue
|
|
if data_nodes[_parent_for_node(e)] < min_parent_size:
|
|
continue
|
|
if _max_sibling_size(data_nodes, e) < min_sibling_size:
|
|
continue
|
|
tmp[e] = data_nodes[e]
|
|
|
|
# Keep only final nodes
|
|
tmp2 = {}
|
|
for e in tmp:
|
|
if len(_childs_for_node(tmp, e)) == 0:
|
|
tmp2[e] = tmp[e]
|
|
|
|
# Group nodes too small in an "other" section
|
|
filtered_data_nodes = {}
|
|
for e in tmp2:
|
|
if tmp[e] < min_sibling_size:
|
|
k = _parent_for_node(e) + "/(other)"
|
|
if k in filtered_data_nodes:
|
|
filtered_data_nodes[k] += tmp[e]
|
|
else:
|
|
filtered_data_nodes[k] = tmp[e]
|
|
else:
|
|
filtered_data_nodes[e] = tmp[e]
|
|
|
|
|
|
def _parent_level_3_at_most(node):
|
|
e = _parent_for_node(node)
|
|
while e.count('/')>2:
|
|
e = _parent_for_node(e)
|
|
return e
|
|
|
|
return ram_nodes, data_nodes
|
|
|
|
|
|
def print_tree(data, total, depth):
|
|
base = os.environ['ZEPHYR_BASE']
|
|
totp = 0
|
|
print '{:92s} {:10s} {:8s}'.format(bcolors.FAIL + "Path", "Size", "%" + bcolors.ENDC)
|
|
print '='*110
|
|
for i in sorted(data):
|
|
p = i.split("/")
|
|
if depth and len(p) > depth:
|
|
continue
|
|
|
|
percent = 100 * float(data[i])/float(total)
|
|
percent_c = percent
|
|
if len(p) < 2:
|
|
totp += percent
|
|
|
|
if len(p) > 1:
|
|
if not os.path.exists(os.path.join(base, i)):
|
|
s = bcolors.WARNING + p[-1] + bcolors.ENDC
|
|
else:
|
|
s = bcolors.OKBLUE + p[-1] + bcolors.ENDC
|
|
print '{:80s} {:20d} {:8.2f}%'.format(" "*(len(p)-1) + s, data[i], percent_c )
|
|
else:
|
|
print '{:80s} {:20d} {:8.2f}%'.format(bcolors.OKBLUE + i + bcolors.ENDC, data[i], percent_c )
|
|
|
|
print '='*110
|
|
print '{:92d}'.format(total)
|
|
return totp
|
|
|
|
|
|
binary = os.path.join(options.outdir, options.binary + ".elf")
|
|
|
|
if options.outdir and os.path.exists(binary):
|
|
fp = get_footprint_from_bin_and_statfile("%s/%s.bin" %(options.outdir, options.binary),
|
|
"%s/%s.stat" %(options.outdir,options.binary), 0, 0 )
|
|
base = os.environ['ZEPHYR_BASE']
|
|
ram, data = generate_target_memory_section(options.outdir, options.binary, base + '/', None)
|
|
if options.rom:
|
|
print_tree(data, fp['total_flash'], options.depth)
|
|
if options.ram:
|
|
print_tree(ram, fp['total_ram'], options.depth)
|
|
|
|
else:
|
|
print "%s does not exist." %(binary)
|