pep8
This commit is contained in:
Costa Shulyupin
parent
e1c7f3643b
commit
7a987a2bdf
61
srcxray.py
61
srcxray.py
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@ -10,11 +10,16 @@
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# 2018 Constantine Shulyupin, const@MakeLinux.com
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#
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import inspect, random, os, sys, collections, subprocess, re
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import inspect
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import random
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import os
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import sys
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import collections
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import subprocess
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import re
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black_list = ['aligned', '__attribute__', 'unlikely', 'typeof',
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'u32',
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'PVOP_CALLEE0', 'PVOP_VCALLEE0', 'PVOP_VCALLEE1', 'trace_hardirqs_off']
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black_list = ['aligned', '__attribute__', 'unlikely', 'typeof', 'u32',
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'PVOP_CALLEE0', 'PVOP_VCALLEE0', 'PVOP_VCALLEE1', 'trace_hardirqs_off']
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level_limit = 7
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limit = 10000
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@ -31,12 +36,15 @@ def print_limited(a):
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def log(*args, **kwargs):
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print(inspect.stack()[1][3], str(*args).rstrip(), file=sys.stderr, **kwargs)
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print(inspect.stack()[1][3],
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str(*args).rstrip(), file=sys.stderr, **kwargs)
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pass
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def popen(p):
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return subprocess.Popen(p, shell=True, stdout=subprocess.PIPE, encoding="utf-8").stdout
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def extract_referer(line):
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line = re.sub(r'__ro_after_init', '', line)
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line = re.sub(r'FNAME\((\w+)\)', r'\1', line)
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@ -47,6 +55,7 @@ def extract_referer(line):
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if m:
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return m.group(1)
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def extract_referer_test():
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for a in {
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"fs=good2()",
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@ -59,6 +68,7 @@ def extract_referer_test():
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"f: a=in bad()"}:
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print(a, '->', extract_referer(a))
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def func_referers_git_grep(name):
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res = []
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r = None
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@ -73,8 +83,10 @@ def func_referers_git_grep(name):
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r = extract_referer(line)
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return res
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cscope_warned = False
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def func_referers_cscope(name):
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global cscope_warned
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if not os.path.isfile('cscope.out'):
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@ -82,24 +94,29 @@ def func_referers_cscope(name):
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print("Recommended: cscope -bkR", file=sys.stderr)
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cscope_warned = True
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return []
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res = [l.split()[1] for l in popen(r'cscope -d -L3 "%s"'%(name)) if not l in black_list]
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res = [l.split()[1] for l in popen(r'cscope -d -L3 "%s"' %
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(name)) if not l in black_list]
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if not res:
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res = func_referers_git_grep(name)
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return res
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def func_referers_all(name):
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return set(func_referers_git_grep(name) + func_referers_cscope(name))
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def referers_tree(name, referer=None, printed = None, level = 0):
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def referers_tree(name, referer=None, printed=None, level=0):
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if not referer:
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if os.path.isfile('cscope.out'):
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referer = func_referers_cscope
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else:
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print("Using git grep only, recommended to run: cscope -bkR", file=sys.stderr)
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print("Using git grep only, recommended to run: cscope -bkR",
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file=sys.stderr)
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referer = func_referers_git_grep
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if isinstance(referer, str):
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referer = eval(referer)
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if not printed: printed = set()
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if not printed:
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printed = set()
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if name in printed:
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print_limited(level*'\t' + name + ' ^')
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return
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@ -117,13 +134,15 @@ def referers_tree(name, referer=None, printed = None, level = 0):
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listed.add(a)
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return ''
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def call_tree(node, printed = None, level = 0):
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def call_tree(node, printed=None, level=0):
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if not os.path.isfile('cscope.out'):
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print("Please run: cscope -bkR", file=sys.stderr)
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return False
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if printed == None: printed = set()
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print("Please run: cscope -bkR", file=sys.stderr)
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return False
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if printed == None:
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printed = set()
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if node in printed:
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limit= - 1
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limit = - 1
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print_limited(level*'\t' + node + ' ^')
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return
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else:
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@ -133,18 +152,21 @@ def call_tree(node, printed = None, level = 0):
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print_limited((level + 1)*'\t' + '...')
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return ''
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local_printed = set()
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for line in popen('cscope -d -L2 "%s"'%(node)):
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for line in popen('cscope -d -L2 "%s"' % (node)):
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I = line.split()[1]
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if I in local_printed or I in black_list: continue;
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if I in local_printed or I in black_list:
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continue
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local_printed.add(I)
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try:
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call_tree(line.split()[1], printed, level + 1);
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call_tree(line.split()[1], printed, level + 1)
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except:
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pass
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return ''
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me = os.path.basename(sys.argv[0])
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def usage():
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print(me, "referers_tree", "<identifier>")
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print(me, "call_tree", "<identifier>")
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@ -154,6 +176,7 @@ def usage():
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print(me, "call_tree start_kernel")
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print(me, "Emergency termination: ^Z, kill %1")
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def main():
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try:
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ret = False
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@ -163,12 +186,14 @@ def main():
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if '(' in sys.argv[1]:
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ret = eval(sys.argv[1])
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else:
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ret = eval(sys.argv[1] + '(' + ', '.join("'%s'"%(a) for a in sys.argv[2:]) + ')')
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ret = eval(sys.argv[1] + '(' + ', '.join("'%s'" % (a)
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for a in sys.argv[2:]) + ')')
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if type(ret) == type(False) and ret == False:
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sys.exit(os.EX_CONFIG)
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print(ret)
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except KeyboardInterrupt:
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warning("\nInterrupted")
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if __name__ == "__main__":
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main()
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