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Linux_Kernel_map4vehicle
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*notes, referrers

This commit is contained in:
Costa Shulyupin 2020-07-12 11:59:45 +03:00
parent 99ddc843b7
commit 7f4322f4d7
1 changed files with 34 additions and 35 deletions
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69
srcxray.py
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@ -4,10 +4,10 @@
# #
# Analyzes interconnections between functions and structures in source code. # Analyzes interconnections between functions and structures in source code.
# #
# Uses cscope and git grep --show-function to # Uses doxygen, git grep --show-functionm and cscope to
# reveal references between identifiers. # reveal references between identifiers.
# #
# 2018 Constantine Shulyupin, const@MakeLinux.com # Since 2018, Costa Shulyupin, costa@MakeLinux.net
# #
from inspect import currentframe, getframeinfo, getouterframes, stack from inspect import currentframe, getframeinfo, getouterframes, stack
@ -101,7 +101,7 @@ def popen(p):
return check_output(p, shell=True).decode('utf-8').splitlines() return check_output(p, shell=True).decode('utf-8').splitlines()
def extract_referer(line): def extract_referrer(line):
line = re.sub(r'__ro_after_init', '', line) line = re.sub(r'__ro_after_init', '', line)
line = re.sub(r'FNAME\((\w+)\)', r'\1', line) line = re.sub(r'FNAME\((\w+)\)', r'\1', line)
line = re.sub(r'.*TRACE_EVENT.*', '', line) line = re.sub(r'.*TRACE_EVENT.*', '', line)
@ -116,7 +116,7 @@ def extract_referer(line):
return m.groups() return m.groups()
def extract_referer_test(): def extract_referrer_test():
passed = 0 passed = 0
for a in { for a in {
"f=1=good2()", "f=1=good2()",
@ -130,7 +130,7 @@ def extract_referer_test():
"f:8: a=in bad()", "f:8: a=in bad()",
"f=9=struct good", "f=9=struct good",
}: }:
r = extract_referer(a) r = extract_referrer(a)
#print(a, '->', r) #print(a, '->', r)
if 'bad' in a and r and 'bad' in r[2]: if 'bad' in a and r and 'bad' in r[2]:
print("ERROR: ", a, '->', r) print("ERROR: ", a, '->', r)
@ -141,7 +141,7 @@ def extract_referer_test():
log(passed) log(passed)
def func_referers_git_grep(name): def func_referrers_git_grep(name):
res = list() res = list()
r = None r = None
for line in popen(r'git grep --threads 1 --no-index --word-regexp ' for line in popen(r'git grep --threads 1 --no-index --word-regexp '
@ -163,7 +163,7 @@ def func_referers_git_grep(name):
if r and r[2] != name and r[2] not in black_list: if r and r[2] != name and r[2] not in black_list:
res.append(r) res.append(r)
r = None r = None
r = extract_referer(line) r = extract_referrer(line)
# r is list of file line func # r is list of file line func
if verbose and r: if verbose and r:
print("%-40s\t%s"%(("%s:%s"%(r[0],r[1])),r[2])) print("%-40s\t%s"%(("%s:%s"%(r[0],r[1])),r[2]))
@ -173,7 +173,7 @@ def func_referers_git_grep(name):
cscope_warned = False cscope_warned = False
def func_referers_cscope(name): def func_referrers_cscope(name):
global cscope_warned global cscope_warned
if not os.path.isfile('cscope.out'): if not os.path.isfile('cscope.out'):
if not cscope_warned: if not cscope_warned:
@ -190,25 +190,24 @@ def func_referers_cscope(name):
res.append([file, line_num, func]) res.append([file, line_num, func])
if not res and len(name) > 3: if not res and len(name) > 3:
log(name) log(name)
res = func_referers_git_grep(name) res = func_referrers_git_grep(name)
log(res) log(res)
return res return res
def func_referers_all(name): def func_referrers_all(name):
return list(dict.fromkeys(func_referers_git_grep(name) + func_referers_cscope(name))) return list(dict.fromkeys(func_referrers_git_grep(name) + func_referrers_cscope(name)))
def referers_tree(name, referer=None, printed=None, level=0): def referrers_tree(name, referrer=None, printed=None, level=0):
if not referer:
if os.path.isfile('cscope.out'): if os.path.isfile('cscope.out'):
referer = func_referers_cscope referrer = func_referrers_cscope
else: else:
print("Using git grep only, recommended to run: cscope -Rcbk", print("Using git grep only, recommended to run: cscope -Rcbk",
file=sys.stderr) file=sys.stderr)
referer = func_referers_git_grep referrer = func_referrers_git_grep
if isinstance(referer, str): if isinstance(referrer, str):
referer = eval(referer) referrer = eval(referrer)
if not printed: if not printed:
printed = set() printed = set()
# definition # definition
@ -222,39 +221,39 @@ def referers_tree(name, referer=None, printed=None, level=0):
if level > level_limit - 2: if level > level_limit - 2:
print_limited((level + 1)*'\t' + '...') print_limited((level + 1)*'\t' + '...')
return '' return ''
for a in referer(name): for a in referrer(name):
name = a[2] name = a[2]
referers_tree(name, referer, printed, level + 1) referrers_tree(name, referrer, printed, level + 1)
return '' return ''
def referers(name): def referrers(name):
#for a in func_referers_git_grep(name): #for a in func_referrers_git_grep(name):
# print("%s:%s: %s"%(a[0],a[1],a[2])) # print("%s:%s: %s"%(a[0],a[1],a[2]))
print(' '.join([a[2] for a in func_referers_git_grep(name)])) print(' '.join([a[2] for a in func_referrers_git_grep(name)]))
def referers_dep(name, referer=None, printed=None, level=0): def referrers_dep(name, referrer=None, printed=None, level=0):
if not referer: if not referrer:
if os.path.isfile('cscope.out'): if os.path.isfile('cscope.out'):
referer = func_referers_cscope referrer = func_referrers_cscope
else: else:
print("Using git grep only, recommended to run: cscope -Rcbk", print("Using git grep only, recommended to run: cscope -Rcbk",
file=sys.stderr) file=sys.stderr)
referer = func_referers_git_grep referrer = func_referrers_git_grep
if isinstance(referer, str): if isinstance(referrer, str):
referer = eval(referer) referrer = eval(referrer)
if not printed: if not printed:
printed = set() printed = set()
if name in printed: if name in printed:
return return
if level > level_limit - 2: if level > level_limit - 2:
return '' return ''
referers = referer(name) referrers = referrer(name)
if referers: if referrers:
printed.add(name) printed.add(name)
print("%s:" % (name), ' '.join(referers)) print("%s:" % (name), ' '.join(referrers))
for a in referers: for a in referrers:
referers_dep(a, referer, printed, level + 1) referrers_dep(a, referrer, printed, level + 1)
else: else:
pass pass
# TODO: print terminal # TODO: print terminal
@ -1202,9 +1201,9 @@ class _unittest_autotest(unittest.TestCase):
self.assertTrue(os.path.isdir('include/linux/')) self.assertTrue(os.path.isdir('include/linux/'))
os.chdir('init') os.chdir('init')
self.assertEqual('\t\t\t\t\tprepare_namespace ^', popen( self.assertEqual('\t\t\t\t\tprepare_namespace ^', popen(
'srcxray.py referers_tree nfs_root_data')[-1]) 'srcxray.py referrers_tree nfs_root_data')[-1])
self.assertEqual('initrd_load: prepare_namespace', popen( self.assertEqual('initrd_load: prepare_namespace', popen(
'srcxray.py referers_dep nfs_root_data')[-1]) 'srcxray.py referrers_dep nfs_root_data')[-1])
self.assertEqual('calibrate_delay_converge: __delay', self.assertEqual('calibrate_delay_converge: __delay',
popen('srcxray.py call_dep start_kernel')[-2]) popen('srcxray.py call_dep start_kernel')[-2])
self.assertEqual('\t\tcpu_startup_entry', popen( self.assertEqual('\t\tcpu_startup_entry', popen(