forked from OSchip/llvm-project
69 lines
2.1 KiB
Python
Executable File
69 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python
|
|
"""
|
|
Summarize the information in the given coverage files.
|
|
|
|
Emits the number of rules covered or the percentage of rules covered depending
|
|
on whether --num-rules has been used to specify the total number of rules.
|
|
"""
|
|
from __future__ import print_function
|
|
|
|
import argparse
|
|
import struct
|
|
|
|
class FileFormatError(Exception):
|
|
pass
|
|
|
|
def backend_int_pair(s):
|
|
backend, sep, value = s.partition('=')
|
|
if sep is None:
|
|
raise argparse.ArgumentTypeError("'=' missing, expected name=value")
|
|
if not backend:
|
|
raise argparse.ArgumentTypeError("Expected name=value")
|
|
if not value:
|
|
raise argparse.ArgumentTypeError("Expected name=value")
|
|
return backend, int(value)
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(description=__doc__)
|
|
parser.add_argument('input', nargs='+')
|
|
parser.add_argument('--num-rules', type=backend_int_pair, action='append',
|
|
metavar='BACKEND=NUM',
|
|
help='Specify the number of rules for a backend')
|
|
args = parser.parse_args()
|
|
|
|
covered_rules = {}
|
|
|
|
for input_filename in args.input:
|
|
with open(input_filename, 'rb') as input_fh:
|
|
data = input_fh.read()
|
|
pos = 0
|
|
while data:
|
|
backend, _, data = data.partition('\0')
|
|
pos += len(backend)
|
|
pos += 1
|
|
|
|
if len(backend) == 0:
|
|
raise FileFormatError()
|
|
backend, = struct.unpack("%ds" % len(backend), backend)
|
|
|
|
while data:
|
|
if len(data) < 8:
|
|
raise FileFormatError()
|
|
rule_id, = struct.unpack("Q", data[:8])
|
|
pos += 8
|
|
data = data[8:]
|
|
if rule_id == (2 ** 64) - 1:
|
|
break
|
|
covered_rules[backend] = covered_rules.get(backend, {})
|
|
covered_rules[backend][rule_id] = covered_rules[backend].get(rule_id, 0) + 1
|
|
|
|
num_rules = dict(args.num_rules)
|
|
for backend, rules_for_backend in covered_rules.items():
|
|
if backend in num_rules:
|
|
print("%s: %3.2f%% of rules covered" % (backend, float(len(rules_for_backend)) / num_rules[backend]) * 100)
|
|
else:
|
|
print("%s: %d rules covered" % (backend, len(rules_for_backend)))
|
|
|
|
if __name__ == '__main__':
|
|
main()
|