#!/usr/bin/env python3
"""
performance-log-resolve.py -- Resolve GIMP performance log backtrace symbols
Copyright (C)
2018 Ell
This program
is free software: you can redistribute it
and/
or modify
it under the terms of the GNU General Public License
as published by
the Free Software Foundation; either version
3 of the License,
or
(at your option) any later version.
This program
is distributed
in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY
or FITNESS
FOR A PARTICULAR PURPOSE. See the
GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along
with this program.
If not, see <
https://www.gnu.org/licenses/>.
Usage: performance-log-resolve.py < infile > outfile
"""
from xml.etree
import ElementTree
import sys
empty_element = ElementTree.Element (
"")
# Read performance log from STDIN
log = ElementTree.fromstring (sys.stdin.buffer.read ())
address_map = log.find (
"address-map")
if address_map:
# Create address dictionary
addresses = {}
for address
in address_map.iterfind (
"address"):
addresses[address.get (
"value")] = list (address)
# Resolve addresses in backtraces
for sample
in (log.find (
"samples")
or empty_element).iterfind (
"sample"):
for thread
in sample.find (
"backtrace")
or ():
for frame
in thread:
address = addresses.get (frame.get (
"address"))
if address:
frame.text =
"\n"
frame.extend (address)
# Remove address map
log.remove (address_map)
# Write performance log to STDOUT
sys.stdout.buffer.write (ElementTree.tostring (log))