PIKApp/tools/performance-log-progressive...

55 lines
1.6 KiB
Python

#!/usr/bin/env python3
"""
performance-log-progressive-coalesce.py -- Coalesce address-maps in progressive
PIKA performance logs
Copyright (C) 2020 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-progressive-coalesce.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 ())
samples = log.find ("samples") or empty_element
address_map = log.find ("address-map")
if not address_map:
address_map = ElementTree.Element ("address-map")
# Coalesce partial address maps
for partial_address_map in samples.iterfind ("address-map"):
for element in partial_address_map:
address_map.append (element)
# Remove partial address maps
for partial_address_map in samples.iterfind ("address-map"):
samples.remove (partial_address_map)
# Add global address map
if not log.find ("address-map") and len (address_map) > 0:
log.append (address_map)
# Write performance log to STDOUT
sys.stdout.buffer.write (ElementTree.tostring (log))