diff options
author | Vedant Kumar <vsk@apple.com> | 2016-06-13 23:33:48 +0000 |
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committer | Vedant Kumar <vsk@apple.com> | 2016-06-13 23:33:48 +0000 |
commit | d1714dc208f77c2e4466aed8d6a1f36fbb07bb76 (patch) | |
tree | 24d997f14fb0dbe4079025fb8b38eb3b8d1f3df3 /utils/prepare-code-coverage-artifact.py | |
parent | ba53b88904876e44f84742485a0f53918db13290 (diff) |
Add support for collating profiles for use with code coverage
Differential Revision: http://reviews.llvm.org/D20993
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272599 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/prepare-code-coverage-artifact.py')
-rw-r--r-- | utils/prepare-code-coverage-artifact.py | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/utils/prepare-code-coverage-artifact.py b/utils/prepare-code-coverage-artifact.py new file mode 100644 index 00000000000..e233c2c6efe --- /dev/null +++ b/utils/prepare-code-coverage-artifact.py @@ -0,0 +1,55 @@ +#!/usr/bin/env python + +'''Prepare a code coverage artifact. + +- Collate raw profiles into one indexed profile. +- Delete the raw profiles. +- Copy the coverage mappings in the binaries directory. +''' + +import argparse +import glob +import os +import subprocess +import sys + +def merge_raw_profiles(host_llvm_profdata, profile_data_dir): + 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]) + for raw_profile in raw_profiles: + os.remove(raw_profile) + print 'Done!' + +def extract_covmappings(host_llvm_cov, profile_data_dir, llvm_bin_dir): + print ':: Extracting covmappings...', + sys.stdout.flush() + for prog in os.listdir(llvm_bin_dir): + if prog == 'llvm-lit': + continue + covmapping_path = os.path.join(profile_data_dir, + os.path.basename(prog) + '.covmapping') + subprocess.check_call([host_llvm_cov, 'convert-for-testing', + os.path.join(llvm_bin_dir, prog), '-o', + covmapping_path]) + print 'Done!' + +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('llvm_bin_dir', + help='Path to the directory containing llvm binaries') + args = parser.parse_args() + + merge_raw_profiles(args.host_llvm_profdata, args.profile_data_dir) + extract_covmappings(args.host_llvm_cov, args.profile_data_dir, + args.llvm_bin_dir) |