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llvm-mirror/utils/merge-stats.py
Tyker c2b7184126 [NFC] Add utility to sum/merge stats files
Add a small script to sum *.stats file given as input and output the totals
usage example:
    merge-stats.py $(find ./builddir/ -name "*.stats") > total.stats

Reviewed By: lebedev.ri

Differential Revision: https://reviews.llvm.org/D83505
2020-08-07 19:02:42 +02:00

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)