| # vim: set syntax=python ts=4 : |
| # |
| # Copyright (c) 2018-2022 Intel Corporation |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| import os |
| import logging |
| import pathlib |
| import shutil |
| import subprocess |
| import glob |
| import re |
| |
| logger = logging.getLogger('twister') |
| logger.setLevel(logging.DEBUG) |
| |
| class CoverageTool: |
| """ Base class for every supported coverage tool |
| """ |
| |
| def __init__(self): |
| self.gcov_tool = None |
| self.base_dir = None |
| self.output_formats = None |
| |
| @staticmethod |
| def factory(tool): |
| if tool == 'lcov': |
| t = Lcov() |
| elif tool == 'gcovr': |
| t = Gcovr() |
| else: |
| logger.error("Unsupported coverage tool specified: {}".format(tool)) |
| return None |
| |
| logger.debug(f"Select {tool} as the coverage tool...") |
| return t |
| |
| @staticmethod |
| def retrieve_gcov_data(input_file): |
| logger.debug("Working on %s" % input_file) |
| extracted_coverage_info = {} |
| capture_data = False |
| capture_complete = False |
| with open(input_file, 'r') as fp: |
| for line in fp.readlines(): |
| if re.search("GCOV_COVERAGE_DUMP_START", line): |
| capture_data = True |
| continue |
| if re.search("GCOV_COVERAGE_DUMP_END", line): |
| capture_complete = True |
| break |
| # Loop until the coverage data is found. |
| if not capture_data: |
| continue |
| if line.startswith("*"): |
| sp = line.split("<") |
| if len(sp) > 1: |
| # Remove the leading delimiter "*" |
| file_name = sp[0][1:] |
| # Remove the trailing new line char |
| hex_dump = sp[1][:-1] |
| else: |
| continue |
| else: |
| continue |
| extracted_coverage_info.update({file_name: hex_dump}) |
| if not capture_data: |
| capture_complete = True |
| return {'complete': capture_complete, 'data': extracted_coverage_info} |
| |
| @staticmethod |
| def create_gcda_files(extracted_coverage_info): |
| gcda_created = True |
| logger.debug("Generating gcda files") |
| for filename, hexdump_val in extracted_coverage_info.items(): |
| # if kobject_hash is given for coverage gcovr fails |
| # hence skipping it problem only in gcovr v4.1 |
| if "kobject_hash" in filename: |
| filename = (filename[:-4]) + "gcno" |
| try: |
| os.remove(filename) |
| except Exception: |
| pass |
| continue |
| |
| try: |
| with open(filename, 'wb') as fp: |
| fp.write(bytes.fromhex(hexdump_val)) |
| except ValueError: |
| logger.exception("Unable to convert hex data for file: {}".format(filename)) |
| gcda_created = False |
| except FileNotFoundError: |
| logger.exception("Unable to create gcda file: {}".format(filename)) |
| gcda_created = False |
| return gcda_created |
| |
| def generate(self, outdir): |
| coverage_completed = True |
| for filename in glob.glob("%s/**/handler.log" % outdir, recursive=True): |
| gcov_data = self.__class__.retrieve_gcov_data(filename) |
| capture_complete = gcov_data['complete'] |
| extracted_coverage_info = gcov_data['data'] |
| if capture_complete: |
| gcda_created = self.__class__.create_gcda_files(extracted_coverage_info) |
| if gcda_created: |
| logger.debug("Gcov data captured: {}".format(filename)) |
| else: |
| logger.error("Gcov data invalid for: {}".format(filename)) |
| coverage_completed = False |
| else: |
| logger.error("Gcov data capture incomplete: {}".format(filename)) |
| coverage_completed = False |
| |
| with open(os.path.join(outdir, "coverage.log"), "a") as coveragelog: |
| ret = self._generate(outdir, coveragelog) |
| if ret == 0: |
| report_log = { |
| "html": "HTML report generated: {}".format(os.path.join(outdir, "coverage", "index.html")), |
| "lcov": "LCOV report generated: {}".format(os.path.join(outdir, "coverage.info")), |
| "xml": "XML report generated: {}".format(os.path.join(outdir, "coverage", "coverage.xml")), |
| "csv": "CSV report generated: {}".format(os.path.join(outdir, "coverage", "coverage.csv")), |
| "txt": "TXT report generated: {}".format(os.path.join(outdir, "coverage", "coverage.txt")), |
| "coveralls": "Coveralls report generated: {}".format(os.path.join(outdir, "coverage", "coverage.coveralls.json")), |
| "sonarqube": "Sonarqube report generated: {}".format(os.path.join(outdir, "coverage", "coverage.sonarqube.xml")) |
| } |
| for r in self.output_formats.split(','): |
| logger.info(report_log[r]) |
| else: |
| coverage_completed = False |
| logger.debug("All coverage data processed: {}".format(coverage_completed)) |
| return coverage_completed |
| |
| |
| class Lcov(CoverageTool): |
| |
| def __init__(self): |
| super().__init__() |
| self.ignores = [] |
| self.output_formats = "lcov,html" |
| self.version = self.get_version() |
| |
| def get_version(self): |
| try: |
| result = subprocess.run(['lcov', '--version'], |
| stdout=subprocess.PIPE, |
| stderr=subprocess.PIPE, |
| text=True, check=True) |
| version_output = result.stdout.strip().replace('lcov: LCOV version ', '') |
| return version_output |
| except subprocess.CalledProcessError as e: |
| logger.error(f"Unsable to determine lcov version: {e}") |
| |
| return "" |
| |
| def add_ignore_file(self, pattern): |
| self.ignores.append('*' + pattern + '*') |
| |
| def add_ignore_directory(self, pattern): |
| self.ignores.append('*/' + pattern + '/*') |
| |
| @staticmethod |
| def run_command(cmd, coveragelog): |
| cmd_str = " ".join(cmd) |
| logger.debug(f"Running {cmd_str}...") |
| return subprocess.call(cmd, stdout=coveragelog) |
| |
| def _generate(self, outdir, coveragelog): |
| coveragefile = os.path.join(outdir, "coverage.info") |
| ztestfile = os.path.join(outdir, "ztest.info") |
| if self.version.startswith("2"): |
| branch_coverage = "branch_coverage=1" |
| ignore_errors = [ |
| "--ignore-errors", "inconsistent,inconsistent", |
| "--ignore-errors", "negative,negative", |
| "--ignore-errors", "unused,unused", |
| "--ignore-errors", "empty,empty", |
| "--ignore-errors", "mismatch,mismatch" |
| ] |
| else: |
| branch_coverage = "lcov_branch_coverage=1" |
| ignore_errors = [] |
| |
| cmd = ["lcov", "--gcov-tool", str(self.gcov_tool), |
| "--capture", "--directory", outdir, |
| "--rc", branch_coverage, |
| "--output-file", coveragefile] |
| cmd = cmd + ignore_errors |
| self.run_command(cmd, coveragelog) |
| # We want to remove tests/* and tests/ztest/test/* but save tests/ztest |
| cmd = ["lcov", "--gcov-tool", self.gcov_tool, "--extract", |
| coveragefile, |
| os.path.join(self.base_dir, "tests", "ztest", "*"), |
| "--output-file", ztestfile, |
| "--rc", branch_coverage] |
| |
| cmd = cmd + ignore_errors |
| self.run_command(cmd, coveragelog) |
| |
| if os.path.exists(ztestfile) and os.path.getsize(ztestfile) > 0: |
| cmd = ["lcov", "--gcov-tool", self.gcov_tool, "--remove", |
| ztestfile, |
| os.path.join(self.base_dir, "tests/ztest/test/*"), |
| "--output-file", ztestfile, |
| "--rc", branch_coverage] |
| cmd = cmd + ignore_errors |
| self.run_command(cmd, coveragelog) |
| |
| files = [coveragefile, ztestfile] |
| else: |
| files = [coveragefile] |
| |
| for i in self.ignores: |
| cmd = ["lcov", "--gcov-tool", self.gcov_tool, "--remove", |
| coveragefile, i, |
| "--output-file", coveragefile, |
| "--rc", branch_coverage] |
| cmd = cmd + ignore_errors |
| self.run_command(cmd, coveragelog) |
| |
| if 'html' not in self.output_formats.split(','): |
| return 0 |
| |
| # The --ignore-errors source option is added to avoid it exiting due to |
| # samples/application_development/external_lib/ |
| cmd = ["genhtml", "--legend", "--branch-coverage", |
| "--prefix", self.base_dir, |
| "-output-directory", |
| os.path.join(outdir, "coverage")] + files |
| cmd = cmd + ignore_errors |
| return self.run_command(cmd, coveragelog) |
| |
| |
| class Gcovr(CoverageTool): |
| |
| def __init__(self): |
| super().__init__() |
| self.ignores = [] |
| self.output_formats = "html" |
| |
| def add_ignore_file(self, pattern): |
| self.ignores.append('.*' + pattern + '.*') |
| |
| def add_ignore_directory(self, pattern): |
| self.ignores.append(".*/" + pattern + '/.*') |
| |
| @staticmethod |
| def _interleave_list(prefix, list): |
| tuple_list = [(prefix, item) for item in list] |
| return [item for sublist in tuple_list for item in sublist] |
| |
| @staticmethod |
| def _flatten_list(list): |
| return [a for b in list for a in b] |
| |
| def _generate(self, outdir, coveragelog): |
| coveragefile = os.path.join(outdir, "coverage.json") |
| ztestfile = os.path.join(outdir, "ztest.json") |
| |
| excludes = Gcovr._interleave_list("-e", self.ignores) |
| |
| # Different ifdef-ed implementations of the same function should not be |
| # in conflict treated by GCOVR as separate objects for coverage statistics. |
| mode_options = ["--merge-mode-functions=separate"] |
| |
| # We want to remove tests/* and tests/ztest/test/* but save tests/ztest |
| cmd = ["gcovr", "-r", self.base_dir, |
| "--gcov-ignore-parse-errors=negative_hits.warn_once_per_file", |
| "--gcov-executable", str(self.gcov_tool), |
| "-e", "tests/*"] |
| cmd += excludes + mode_options + ["--json", "-o", coveragefile, outdir] |
| cmd_str = " ".join(cmd) |
| logger.debug(f"Running {cmd_str}...") |
| subprocess.call(cmd, stdout=coveragelog) |
| |
| subprocess.call(["gcovr", "-r", self.base_dir, "--gcov-executable", |
| self.gcov_tool, "-f", "tests/ztest", "-e", |
| "tests/ztest/test/*", "--json", "-o", ztestfile, |
| outdir] + mode_options, stdout=coveragelog) |
| |
| if os.path.exists(ztestfile) and os.path.getsize(ztestfile) > 0: |
| files = [coveragefile, ztestfile] |
| else: |
| files = [coveragefile] |
| |
| subdir = os.path.join(outdir, "coverage") |
| os.makedirs(subdir, exist_ok=True) |
| |
| tracefiles = self._interleave_list("--add-tracefile", files) |
| |
| # Convert command line argument (comma-separated list) to gcovr flags |
| report_options = { |
| "html": ["--html", os.path.join(subdir, "index.html"), "--html-details"], |
| "xml": ["--xml", os.path.join(subdir, "coverage.xml"), "--xml-pretty"], |
| "csv": ["--csv", os.path.join(subdir, "coverage.csv")], |
| "txt": ["--txt", os.path.join(subdir, "coverage.txt")], |
| "coveralls": ["--coveralls", os.path.join(subdir, "coverage.coveralls.json"), "--coveralls-pretty"], |
| "sonarqube": ["--sonarqube", os.path.join(subdir, "coverage.sonarqube.xml")] |
| } |
| gcovr_options = self._flatten_list([report_options[r] for r in self.output_formats.split(',')]) |
| |
| return subprocess.call(["gcovr", "-r", self.base_dir] + mode_options + gcovr_options + tracefiles, |
| stdout=coveragelog) |
| |
| |
| |
| def run_coverage(testplan, options): |
| use_system_gcov = False |
| |
| for plat in options.coverage_platform: |
| _plat = testplan.get_platform(plat) |
| if _plat and (_plat.type in {"native", "unit"}): |
| use_system_gcov = True |
| if not options.gcov_tool: |
| zephyr_sdk_gcov_tool = os.path.join( |
| os.environ.get("ZEPHYR_SDK_INSTALL_DIR", default=""), |
| "x86_64-zephyr-elf/bin/x86_64-zephyr-elf-gcov") |
| if os.environ.get("ZEPHYR_TOOLCHAIN_VARIANT") == "llvm": |
| llvm_path = os.environ.get("LLVM_TOOLCHAIN_PATH") |
| if llvm_path is not None: |
| llvm_path = os.path.join(llvm_path, "bin") |
| llvm_cov = shutil.which("llvm-cov", path=llvm_path) |
| llvm_cov_ext = pathlib.Path(llvm_cov).suffix |
| gcov_lnk = os.path.join(options.outdir, f"gcov{llvm_cov_ext}") |
| try: |
| os.symlink(llvm_cov, gcov_lnk) |
| except OSError: |
| shutil.copy(llvm_cov, gcov_lnk) |
| options.gcov_tool = gcov_lnk |
| elif use_system_gcov: |
| options.gcov_tool = "gcov" |
| elif os.path.exists(zephyr_sdk_gcov_tool): |
| options.gcov_tool = zephyr_sdk_gcov_tool |
| |
| logger.info("Generating coverage files...") |
| coverage_tool = CoverageTool.factory(options.coverage_tool) |
| coverage_tool.gcov_tool = options.gcov_tool |
| coverage_tool.base_dir = os.path.abspath(options.coverage_basedir) |
| # Apply output format default |
| if options.coverage_formats is not None: |
| coverage_tool.output_formats = options.coverage_formats |
| coverage_tool.add_ignore_file('generated') |
| coverage_tool.add_ignore_directory('tests') |
| coverage_tool.add_ignore_directory('samples') |
| coverage_completed = coverage_tool.generate(options.outdir) |
| return coverage_completed |
