glibc/benchtests/scripts/validate_benchout.py
Siddhesh Poyarekar 42b1161e8c Validate bench.out against a JSON schema
This patch adds a JSON schema for the benchmark output file and also
adds a script that validates the generated output against the schema.
2014-06-11 14:16:29 +05:30

86 lines
2.5 KiB
Python
Executable File

#!/usr/bin/python
# Copyright (C) 2014 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
#
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# The GNU C Library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <http://www.gnu.org/licenses/>.
"""Benchmark output validator
Given a benchmark output file in json format and a benchmark schema file,
validate the output against the schema.
"""
from __future__ import print_function
import json
import sys
import os
try:
import jsonschema
except ImportError:
print('Could not find jsonschema module. Output not validated.')
# Return success because we don't want the bench target to fail just
# because the jsonschema module was not found.
sys.exit(os.EX_OK)
def validate_bench(benchfile, schemafile):
"""Validate benchmark file
Validate a benchmark output file against a JSON schema.
Args:
benchfile: The file name of the bench.out file.
schemafile: The file name of the JSON schema file to validate
bench.out against.
Exceptions:
jsonschema.ValidationError: When bench.out is not valid
jsonschema.SchemaError: When the JSON schema is not valid
IOError: If any of the files are not found.
"""
with open(benchfile, 'r') as bfile:
with open(schemafile, 'r') as sfile:
bench = json.load(bfile)
schema = json.load(sfile)
jsonschema.validate(bench, schema)
# If we reach here, we're all good.
print("Benchmark output in %s is valid." % benchfile)
def main(args):
"""Main entry point
Args:
args: The command line arguments to the program
Returns:
0 on success or a non-zero failure code
Exceptions:
Exceptions thrown by validate_bench
"""
if len(args) != 2:
print("Usage: %s <bench.out file> <bench.out schema>" % sys.argv[0],
file=sys.stderr)
return os.EX_USAGE
validate_bench(args[0], args[1])
return os.EX_OK
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))