nuttx/tools/parsememdump.py
anjiahao cbdd39b6c9 tools:fix parsememdump.py match error
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
2022-04-23 23:59:36 +08:00

137 lines
3.8 KiB
Python
Executable File

#!/usr/bin/python3
# tools/parsememdump.py
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership. The
# ASF licenses this file to you 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.
#
import argparse
import os
import re
program_description = """
This program will help you analyze memdump log files,
analyze the number of occurrences of backtrace,
and output stack information
memdump log files need this format:
pid size addr mem
"""
class dump_line:
def __init__(self, line_str):
self.mem = []
self.err = 0
self.cnt = 1
tmp = re.search("( \d+ )", line_str)
if tmp is None:
self.err = 1
return
self.pid = int(tmp.group(0)[1:])
tmp = re.search("( \d+ )", line_str[tmp.span()[1] :])
if tmp is None:
self.err = 1
return
self.size = int(tmp.group(0)[1:])
tmp = re.findall("0x([0-9a-fA-F]+)", line_str[tmp.span()[1] :])
self.addr = tmp[0]
for str in tmp[1:]:
self.mem.append(str)
class log_output:
def __init__(self, args):
if args.output:
self.file = open(args.output, "w")
def output(self, str):
if hasattr(self, "file"):
self.file.write(str)
else:
print(str, end="")
def __del__(self):
if hasattr(self, "file"):
self.file.close()
def compare_dump_line(dump_line_list, str):
t = dump_line(str)
if t.err:
return
if dump_line_list.__len__() == 0:
dump_line_list.append(t)
return
find = 0
for tmp in dump_line_list:
if tmp.mem is t.mem:
find = 1
tmp.cnt += 1
break
if find == 0:
dump_line_list.append(t)
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description=program_description, formatter_class=argparse.RawTextHelpFormatter
)
parser.add_argument("-f", "--file", help="dump file", nargs=1, required=True)
parser.add_argument(
"-e",
"--elffile",
default="",
help="elf file,use it can output stack info",
nargs=1,
)
parser.add_argument("-o", "--output", help="output file,defult output shell")
args = parser.parse_args()
dump_file = open("%s" % args.file[0], "r")
list = []
while 1:
str = dump_file.readline()
if str == "":
break
compare_dump_line(list, str)
dump_file.close()
list.sort(key=lambda x: x.cnt, reverse=True)
log = log_output(args)
log.output("cnt size pid addr mem\n")
for t in list:
memstr = ""
log.output("%-4d %-6d %-3d %s " % (t.cnt, t.size, t.pid, t.addr))
for mem in t.mem:
log.output("%s " % mem)
memstr += mem + " "
log.output("\n")
if args.elffile != "":
addr2line_file = os.popen(
"addr2line -Cfe %s %s" % (args.elffile[0], memstr), "r"
)
while 1:
add2line_str = addr2line_file.readline()
if add2line_str == "":
break
log.output(" " + add2line_str)
log.output("\n" + add2line_str)
log.__del__()