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56 lines
2.1 KiB
Python
56 lines
2.1 KiB
Python
#!/usr/bin/env python
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'''Prepare a code coverage artifact.
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- Collate raw profiles into one indexed profile.
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- Delete the raw profiles.
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- Copy the coverage mappings in the binaries directory.
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'''
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import argparse
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import glob
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import os
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import subprocess
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import sys
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def merge_raw_profiles(host_llvm_profdata, profile_data_dir):
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print ':: Merging raw profiles...',
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sys.stdout.flush()
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raw_profiles = glob.glob(os.path.join(profile_data_dir, '*.profraw'))
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manifest_path = os.path.join(profile_data_dir, 'profiles.manifest')
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profdata_path = os.path.join(profile_data_dir, 'Coverage.profdata')
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with open(manifest_path, 'w') as manifest:
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manifest.write('\n'.join(raw_profiles))
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subprocess.check_call([host_llvm_profdata, 'merge', '-sparse', '-f',
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manifest_path, '-o', profdata_path])
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for raw_profile in raw_profiles:
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os.remove(raw_profile)
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print 'Done!'
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def extract_covmappings(host_llvm_cov, profile_data_dir, llvm_bin_dir):
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print ':: Extracting covmappings...',
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sys.stdout.flush()
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for prog in os.listdir(llvm_bin_dir):
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if prog == 'llvm-lit':
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continue
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covmapping_path = os.path.join(profile_data_dir,
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os.path.basename(prog) + '.covmapping')
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subprocess.check_call([host_llvm_cov, 'convert-for-testing',
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os.path.join(llvm_bin_dir, prog), '-o',
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covmapping_path])
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print 'Done!'
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('host_llvm_profdata', help='Path to llvm-profdata')
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parser.add_argument('host_llvm_cov', help='Path to llvm-cov')
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parser.add_argument('profile_data_dir',
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help='Path to the directory containing the raw profiles')
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parser.add_argument('llvm_bin_dir',
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help='Path to the directory containing llvm binaries')
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args = parser.parse_args()
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merge_raw_profiles(args.host_llvm_profdata, args.profile_data_dir)
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extract_covmappings(args.host_llvm_cov, args.profile_data_dir,
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args.llvm_bin_dir)
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