68 lines
3.0 KiB
Python
68 lines
3.0 KiB
Python
#!/usr/bin/env python
|
|
|
|
'''Prepare a code coverage artifact.
|
|
|
|
- Collate raw profiles into one indexed profile.
|
|
- Delete the raw profiles.
|
|
- Generate html reports for llvm binaries.
|
|
'''
|
|
|
|
import argparse
|
|
import glob
|
|
import os
|
|
import subprocess
|
|
import sys
|
|
|
|
def merge_raw_profiles(host_llvm_profdata, profile_data_dir, preserve_profiles):
|
|
print ':: Merging raw profiles...',
|
|
sys.stdout.flush()
|
|
raw_profiles = glob.glob(os.path.join(profile_data_dir, '*.profraw'))
|
|
manifest_path = os.path.join(profile_data_dir, 'profiles.manifest')
|
|
profdata_path = os.path.join(profile_data_dir, 'Coverage.profdata')
|
|
with open(manifest_path, 'w') as manifest:
|
|
manifest.write('\n'.join(raw_profiles))
|
|
subprocess.check_call([host_llvm_profdata, 'merge', '-sparse', '-f',
|
|
manifest_path, '-o', profdata_path])
|
|
if not preserve_profiles:
|
|
for raw_profile in raw_profiles:
|
|
os.remove(raw_profile)
|
|
os.remove(manifest_path)
|
|
print 'Done!'
|
|
|
|
def prepare_html_report(host_llvm_cov, profile_data_dir, report_dir, binary):
|
|
print ':: Preparing html report for {0}...'.format(binary),
|
|
sys.stdout.flush()
|
|
binary_report_dir = os.path.join(report_dir, os.path.basename(binary))
|
|
profile = os.path.join(profile_data_dir, 'Coverage.profdata')
|
|
subprocess.check_call([host_llvm_cov, 'show', binary, '-format', 'html',
|
|
'-instr-profile', profile, '-o', binary_report_dir,
|
|
'-show-line-counts-or-regions',
|
|
'-Xdemangler', 'c++filt', '-Xdemangler', '-n'])
|
|
with open(os.path.join(binary_report_dir, 'summary.txt'), 'wb') as Summary:
|
|
subprocess.check_call([host_llvm_cov, 'report', binary,
|
|
'-instr-profile', profile], stdout=Summary)
|
|
print 'Done!'
|
|
|
|
def prepare_html_reports(host_llvm_cov, profile_data_dir, report_dir, binaries):
|
|
for binary in binaries:
|
|
prepare_html_report(host_llvm_cov, profile_data_dir, report_dir, binary)
|
|
|
|
if __name__ == '__main__':
|
|
parser = argparse.ArgumentParser(description=__doc__)
|
|
parser.add_argument('host_llvm_profdata', help='Path to llvm-profdata')
|
|
parser.add_argument('host_llvm_cov', help='Path to llvm-cov')
|
|
parser.add_argument('profile_data_dir',
|
|
help='Path to the directory containing the raw profiles')
|
|
parser.add_argument('report_dir',
|
|
help='Path to the output directory for html reports')
|
|
parser.add_argument('binaries', metavar='B', type=str, nargs='+',
|
|
help='Path to an instrumented binary')
|
|
parser.add_argument('--preserve-profiles',
|
|
help='Do not delete raw profiles', action='store_true')
|
|
args = parser.parse_args()
|
|
|
|
merge_raw_profiles(args.host_llvm_profdata, args.profile_data_dir,
|
|
args.preserve_profiles)
|
|
prepare_html_reports(args.host_llvm_cov, args.profile_data_dir,
|
|
args.report_dir, args.binaries)
|