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gcov.py: Supports parsing multiple sets of gcov outputs at the same time and merging the results

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Use the "-a" parameter to pass in gcda files exported by multiple devices

Signed-off-by: wangmingrong1 <wangmingrong1@xiaomi.com>
This commit is contained in:
wangmingrong1 2025-01-03 12:38:30 +08:00 committed by Xiang Xiao
parent 66e074ed97
commit 2c5d849e01
1 changed files with 59 additions and 25 deletions
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84
tools/gcov.py
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@ -107,9 +107,22 @@ def arg_parser():
)
parser.add_argument("-i", "--input", help="Input dump data")
parser.add_argument("-t", dest="gcov_tool", help="Path to gcov tool")
parser.add_argument("-b", dest="base_dir", help="Compile base directory")
parser.add_argument("-s", dest="gcno_dir", help="Directory containing gcno files")
parser.add_argument("-a", dest="gcda_dir", help="Directory containing gcda files")
parser.add_argument(
"-b", dest="base_dir", default=os.getcwd(), help="Compile base directory"
)
parser.add_argument(
"-s",
dest="gcno_dir",
default=os.getcwd(),
help="Directory containing gcno files",
)
parser.add_argument(
"-a",
dest="gcda_dir",
default=os.getcwd(),
nargs="+",
help="Directory containing gcda files",
)
parser.add_argument("--debug", action="store_true", help="Enable debug mode")
parser.add_argument(
"-x",
@ -118,7 +131,8 @@ def arg_parser():
help="Only copy *.gcno and *.gcda files",
)
parser.add_argument(
"gcov_dir",
"-o",
dest="gcov_dir",
nargs="?",
default=os.getcwd(),
help="Directory to store gcov data and report",
@ -132,12 +146,19 @@ def main():
root_dir = os.getcwd()
gcov_dir = os.path.abspath(args.gcov_dir)
gcno_dir = os.path.abspath(args.gcno_dir) if args.gcno_dir else root_dir
gcda_dir = os.path.abspath(args.gcda_dir) if args.gcda_dir else root_dir
gcno_dir = os.path.abspath(args.gcno_dir)
if os.path.exists(gcov_dir):
shutil.rmtree(gcov_dir)
os.makedirs(gcov_dir)
gcda_dir = []
for i in args.gcda_dir:
gcda_dir.append(os.path.abspath(i))
coverage_file = os.path.join(gcov_dir, "coverage.info")
result_dir = os.path.join(gcov_dir, "result")
gcov_data_dir = os.path.join(gcov_dir, "data")
if args.debug:
debug_file = os.path.join(gcov_dir, "debug.log")
@ -146,11 +167,17 @@ def main():
if args.input:
parse_gcda_data(os.path.join(root_dir, args.input))
os.makedirs(os.path.join(gcov_dir, "data"), exist_ok=True)
gcov_data_dir = []
# Collect gcno, gcda files
copy_file_endswith(".gcno", gcno_dir, gcov_data_dir)
copy_file_endswith(".gcda", gcda_dir, gcov_data_dir)
for i in gcda_dir:
dir = os.path.join(gcov_dir + "/data", os.path.basename(i))
gcov_data_dir.append(dir)
os.makedirs(dir)
copy_file_endswith(".gcno", gcno_dir, dir)
copy_file_endswith(".gcda", i, dir)
# Only copy files
if args.only_copy:
@ -166,21 +193,26 @@ def main():
try:
# lcov collect coverage data to coverage_file
command = [
"lcov",
"-c",
"-o",
coverage_file,
"--rc",
"lcov_branch_coverage=1",
"--gcov-tool",
args.gcov_tool,
"--ignore-errors",
"gcov",
]
for i in gcov_data_dir:
command.append("-d")
command.append(i)
print(command)
subprocess.run(
[
"lcov",
"-c",
"-d",
gcov_data_dir,
"-o",
coverage_file,
"--rc",
"lcov_branch_coverage=1",
"--gcov-tool",
args.gcov_tool,
"--ignore-errors",
"gcov",
],
command,
check=True,
stdout=sys.stdout,
stderr=sys.stdout,
@ -214,7 +246,9 @@ def main():
print("Failed to generate coverage file.")
sys.exit(1)
shutil.rmtree(gcov_data_dir)
for i in gcov_data_dir:
shutil.rmtree(i)
os.remove(coverage_file)