llvm-for-llvmta/utils/merge-stats.py

34 lines
737 B
Python
Executable File

#!/usr/bin/env python3
'''
Merge .stats files generated by llvm tools
merge-stats.py takes as argument a list of stats files to merge
and output the result on stdout
Usage:
merge-stats.py $(find ./builddir/ -name "*.stats") > total.stats
'''
import json
import sys
result = {}
for arg in range(1, len(sys.argv)):
with open(sys.argv[arg], "r", encoding='utf-8',
errors='ignore') as f:
text = f.read()
try:
data = json.loads(text)
except:
print('ignored %s: failed to parse' % sys.argv[arg], file= sys.stderr)
continue
for key in data:
if key in result:
result[key] += data[key]
else:
result[key] = data[key]
out = json.dumps(result, indent=2)
print(out)