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Quelle  genReport.py

  Sprache: Python
 

"""This script helps to generate source based code coverage report.

Usage:
    python genReport.py --objects [OBJECTS] --format [FORMAT]

"""
# Copyright (C) 2023 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import argparse
import os
import subprocess
import sys

def genProfdata(files, llvmDir):
    llvmProfdataBin = os.path.join(llvmDir, 'llvm-profdata')

    # To prevent args characters from exceeding the limitation,
    # we split the files into several batches and merge them one by one.
    batch_size = 10
    profraws_length = len(files)
    profdata_list = []
    for offset in range(0, profraws_length, batch_size):
        profdata_filename = f'{offset}.profdata'
        profdata_list.append(profdata_filename)

        subprocess_cmd = [llvmProfdataBin, 'merge']
        subprocess_cmd.extend(files[offset:min(offset+batch_size, profraws_length)])
        subprocess_cmd.extend([f'-o={profdata_filename}'])

        subprocess.call(subprocess_cmd)

    subprocess_cmd = [llvmProfdataBin, 'merge']
    subprocess_cmd.extend(profdata_list)
    subprocess_cmd.extend(['-o=out.profdata'])
    subprocess.call(subprocess_cmd)

    for profdata in profdata_list:
        os.remove(profdata)

def genHtml(llvmDir, objects, out):
    llvmCovBin = os.path.join(llvmDir, 'llvm-cov')
    subprocess_cmd = [
        llvmCovBin,
        'show',
        '-instr-profile=out.profdata',
    ]
    subprocess_cmd.extend(objects)
    subprocess_cmd.extend(['-use-color''--format=html'])
    with(open(out+'.html''w', encoding='utf-8')) as f:
        subprocess.call(subprocess_cmd, stdout=f)

def genJson(llvmDir, objects, out, summary_only=True):
    llvmCovBin = os.path.join(llvmDir, 'llvm-cov')
    subprocess_cmd = [
        llvmCovBin,
        'export',
        '-instr-profile=out.profdata',
    ]
    subprocess_cmd.extend(objects)
    if summary_only:
        subprocess_cmd.extend(['-summary-only'])

    with(open(out+'.json''w', encoding='utf-8')) as f:
        subprocess.call(subprocess_cmd, stdout=f)

def genLcov(llvmDir, objects, out, summary_only=True):
    llvmCovBin = os.path.join(llvmDir, 'llvm-cov')
    subprocess_cmd = [
        llvmCovBin,
        'export',
        '-format=lcov',
        '-instr-profile=out.profdata',
    ]
    subprocess_cmd.extend(objects)
    if summary_only:
        subprocess_cmd.extend(['-summary-only'])

    with(open(out+'.lcov''w', encoding='utf-8')) as f:
        subprocess.call(subprocess_cmd, stdout=f)


def main():
    arg_parser = argparse.ArgumentParser()

    arg_parser.add_argument(
        '--objects',
        type=str,
        required=True,
        nargs='+',
        help='List the elf files which are included in the test')

    arg_parser.add_argument(
        '--format',
        type=str,
        default='html',
        help='Output format of the "llvm-cov show/export" command. The '
        'supported formats are "text", "html" and "lcov".')

    arg_parser.add_argument(
        '--llvm-dir',
        type=str,
        default='prebuilts/clang/host/linux-x86/llvm-binutils-stable/',
        help='Provide path to LLVM binary directory to override the default '
             'one')

    arg_parser.add_argument(
        '--profraw-dir',
        type=str,
        default='tmp/',
        help='Provide path to directory containing .profraw files')

    arg_parser.add_argument(
        '--output',
        type=str,
        default='out',
        help='Provide output filename(without extension)')

    arg_parser.add_argument(
        '--summary-only',
        default=True,
        action=argparse.BooleanOptionalAction,
        help='Flag of whether to enable summary only')

    args = arg_parser.parse_args()

    if not os.path.isdir(args.llvm_dir):
        print('Provide path to LLVM binary directory')
        return

    if not os.path.isdir(args.profraw_dir):
        print('Provide path to directory containing .profraw files')
        return

    profrawFiles = [
        os.path.join(args.profraw_dir, f)
        for f in os.listdir(args.profraw_dir) if f.endswith('.profraw')]
    if len(profrawFiles) == 0:
        print('No profraw files found in directory ' + args.profraw_dir)

    genProfdata(profrawFiles, args.llvm_dir)
    objects = []
    for obj in args.objects:
        objects.extend(['-object', obj])

    if args.format == 'html':
        genHtml(args.llvm_dir, objects, args.output)
    elif args.format == 'json':
        genJson(args.llvm_dir, objects, args.output, args.summary_only)
    elif args.format == 'lcov':
        genLcov(args.llvm_dir, objects, args.output, args.summary_only)
    else:
        print('Only json / html / lcov supported')
        return

if __name__ == '__main__':
    sys.exit(main())

Messung V0.5 in Prozent
C=94 H=96 G=94

¤ Dauer der Verarbeitung: 0.13 Sekunden  (vorverarbeitet am  2026-06-27) ¤

*© Formatika GbR, Deutschland






Wurzel

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