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[utils] Add a '--unified-report' option to the code coverage prep script

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In --unified-report mode, a single coverage report is prepared for all
specified binaries and written to *report_dir*. This mode is compatible
with all existing script options, including the --restrict mode which is
used to limit coverage reporting to certain files or directories.

This should not break any existing users of the script.

llvm-svn: 285249
This commit is contained in:
Vedant Kumar 2016-10-26 22:07:39 +00:00
parent f146b009b8
commit b60ba08907
1 changed files with 29 additions and 12 deletions
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41
utils/prepare-code-coverage-artifact.py
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@ -31,26 +31,37 @@ def merge_raw_profiles(host_llvm_profdata, profile_data_dir, preserve_profiles):
print('Done!') print('Done!')
return profdata_path return profdata_path
def prepare_html_report(host_llvm_cov, profile, report_dir, binary, def prepare_html_report(host_llvm_cov, profile, report_dir, binaries,
restricted_dirs): restricted_dirs):
print(':: Preparing html report for {0}...'.format(binary), end='') print(':: Preparing html report for {0}...'.format(binaries), end='')
sys.stdout.flush() sys.stdout.flush()
binary_report_dir = os.path.join(report_dir, os.path.basename(binary)) objects = []
invocation = [host_llvm_cov, 'show', binary, '-format', 'html', for i, binary in enumerate(binaries):
'-instr-profile', profile, '-o', binary_report_dir, if i == 0:
objects.append(binary)
else:
objects.extend(('-object', binary))
invocation = [host_llvm_cov, 'show'] + objects + ['-format', 'html',
'-instr-profile', profile, '-o', report_dir,
'-show-line-counts-or-regions', '-Xdemangler', 'c++filt', '-show-line-counts-or-regions', '-Xdemangler', 'c++filt',
'-Xdemangler', '-n'] + restricted_dirs '-Xdemangler', '-n'] + restricted_dirs
subprocess.check_call(invocation) subprocess.check_call(invocation)
with open(os.path.join(binary_report_dir, 'summary.txt'), 'wb') as Summary: with open(os.path.join(report_dir, 'summary.txt'), 'wb') as Summary:
subprocess.check_call([host_llvm_cov, 'report', binary, subprocess.check_call([host_llvm_cov, 'report'] + objects +
'-instr-profile', profile], stdout=Summary) ['-instr-profile', profile], stdout=Summary)
print('Done!') print('Done!')
def prepare_html_reports(host_llvm_cov, profdata_path, report_dir, binaries, def prepare_html_reports(host_llvm_cov, profdata_path, report_dir, binaries,
restricted_dirs): unified_report, restricted_dirs):
for binary in binaries: if unified_report:
prepare_html_report(host_llvm_cov, profdata_path, report_dir, binary, prepare_html_report(host_llvm_cov, profdata_path, report_dir, binaries,
restricted_dirs) restricted_dirs)
else:
for binary in binaries:
binary_report_dir = os.path.join(report_dir,
os.path.basename(binary))
prepare_html_report(host_llvm_cov, profdata_path, binary_report_dir,
[binary], restricted_dirs)
if __name__ == '__main__': if __name__ == '__main__':
parser = argparse.ArgumentParser(description=__doc__) parser = argparse.ArgumentParser(description=__doc__)
@ -69,6 +80,8 @@ if __name__ == '__main__':
help='Do not delete raw profiles', action='store_true') help='Do not delete raw profiles', action='store_true')
parser.add_argument('--use-existing-profdata', parser.add_argument('--use-existing-profdata',
help='Specify an existing indexed profile to use') help='Specify an existing indexed profile to use')
parser.add_argument('--unified-report', action='store_true',
help='Emit a unified report for all binaries')
parser.add_argument('--restrict', metavar='R', type=str, nargs='*', parser.add_argument('--restrict', metavar='R', type=str, nargs='*',
default=[], default=[],
help='Restrict the reporting to the given source paths') help='Restrict the reporting to the given source paths')
@ -85,6 +98,10 @@ if __name__ == '__main__':
args.profile_data_dir, args.profile_data_dir,
args.preserve_profiles) args.preserve_profiles)
if not len(args.binaries):
print('No binaries specified, no work to do!')
exit(1)
if not args.only_merge: if not args.only_merge:
prepare_html_reports(args.host_llvm_cov, profdata_path, args.report_dir, prepare_html_reports(args.host_llvm_cov, profdata_path, args.report_dir,
args.binaries, args.restrict) args.binaries, args.unified_report, args.restrict)