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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
############################################################################
#
# Copyright (C) 2022 The Qt Company Ltd.
# Contact: https://www.qt.io/licensing/
#
# This file is part of Qt Creator.
#
# Commercial License Usage
# Licensees holding valid commercial Qt licenses may use this file in
# accordance with the commercial license agreement provided with the
# Software or, alternatively, in accordance with the terms contained in
# a written agreement between you and The Qt Company. For licensing terms
# and conditions see https://www.qt.io/terms-conditions. For further
# information use the contact form at https://www.qt.io/contact-us.
#
# GNU General Public License Usage
# Alternatively, this file may be used under the terms of the GNU
# General Public License version 3 as published by the Free Software
# Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
# included in the packaging of this file. Please review the following
# information to ensure the GNU General Public License requirements will
# be met: https://www.gnu.org/licenses/gpl-3.0.html.
#
############################################################################
"""Convert the output of libclang when running with LIBCLANG_TIMING=1 to csv data.
Only the wall clock time value is extracted.
Use this converter together with /usr/bin/paste to create whole csv tables.
Usage: ./$0 <log-file of libclang output>"""
import getopt
import os
import re
import sys
def constructRecordMatcher():
regex = (
'( Parsing)'
+ '|( Precompiling preamble)'
+ '|( Reparsing)'
+ '|( Cache global code completions)'
+ '|( Code completion)'
)
return re.compile(regex)
def constructTimeNeededMatcher():
# An output line looks like:
# : 2.5625 (100.0%) 0.1563 (100.0%) 2.7188 (100.0%) 2.7813 (100.0%)
# Note: There is always at least the wall clock time at the utmost right,
# the others in front (up to 3) are optional.
startIndicator = r'\s*:'
notRelevantParts = r'(\s*\d+\.\d+ \(\d+\.\d+\%\)){0,3}'
wallClockTime = r'\s*(\d+\.\d+) \(\d+\.\d+\%\)'
regex = startIndicator + notRelevantParts + wallClockTime
return re.compile(regex)
def csvLine(values):
return ','.join(values) + '\n'
def extractRecords(fileContent):
recordMatcher = constructRecordMatcher()
timeNeededMatcher = constructTimeNeededMatcher()
records = []
previousTimeMatchEnd = -1
for recordStartMatch in recordMatcher.finditer(fileContent):
timeNeededInMs = False
if previousTimeMatchEnd >= recordStartMatch.start():
# Ops, we've detected a missing time record.
previousRecord = records[-1]
records[-1] = [previousRecord[0], '-1']
timeNeededInMs = previousRecord[1]
if not timeNeededInMs:
timeMatch = next(timeNeededMatcher.finditer(fileContent, recordStartMatch.end()))
previousTimeMatchEnd = timeMatch.end()
timeNeededInMs = timeMatch.group(2)
recordId = recordStartMatch.group().strip()
record = [recordId, timeNeededInMs]
records.append(record)
# for record in records: print record
return records
def recordsToString(records):
string = ""
for record in records:
string += csvLine(record)
return string
def convert(inputFile, columnLabel=None):
if not columnLabel:
columnLabel = os.path.basename(inputFile)
fileContent = open(inputFile, 'r').read()
records = [[columnLabel, columnLabel]] + extractRecords(fileContent)
return recordsToString(records)
def printUsageAndExit():
print(__doc__)
sys.exit(0)
def main():
# parse command line options
try:
opts, args = getopt.getopt(sys.argv[1:], "h", ["help"])
except getopt.error as msg:
print(msg)
print("for help use --help")
sys.exit(2)
# process options
for o, a in opts:
if o in ("-h", "--help"):
printUsageAndExit()
# process arguments
if not args:
printUsageAndExit()
for arg in args:
print(convert(arg))
if __name__ == "__main__":
main()
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