linux-kernel-module-cheat/trace2line

#!/usr/bin/env python3

import os
import re
import subprocess
import sys

import common

parser = common.get_argparse(argparse_args={
    'description': 'Convert an execution trace containing PC values into the Linux kernel linex executed'
})
args = common.setup(parser)
if args.gem5:
    def get_pc(line):
        # pc_re = 
        # stdin = sed -r 's/^.* (0x[^. ]*)[. ].*/\1/' "$common_trace_txt_file")
        pass
else:
    def get_pc(line):
        return line.split('=')[-1]
with \
        subprocess.Popen(
            [
                common.get_toolchain_tool('addr2line'),
                '-e',
                common.vmlinux,
                '-f',
                '-p',
            ],
            stdout=subprocess.PIPE,
            stdin=subprocess.PIPE,
        ) as proc, \
        open(common.trace_txt_file, 'r') as infile, \
        open(os.path.join(common.run_dir, 'trace-lines.txt'), 'w') as outfile \
    :
    i = 0;
    __import__('ipdb').set_trace()
    for in_line in infile:
        print(i)
        proc.stdin.write(get_pc(in_line).encode())
        proc.stdin.flush()
        stdout = proc.stdout.read()
        outfile.write(stdout.decode())
        i+=1

    # sed -E "s|at ${common.linux_build_dir}/(\./\|)||"
    # uniq -c




# sys.exit()