Skip to content

analyser: introduce an option to control parallel mode #2278

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
ligurio wants to merge 1 commit into
base: main
Choose a base branch
from
Open

analyser: introduce an option to control parallel mode #2278

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
38 changes: 23 additions & 15 deletions src/fuzz_introspector/analysis.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -88,23 +88,31 @@ def load_data_files(self,

logger.info("[+] Accummulating profiles")
logger.info("Accummulating using multiprocessing")
manager = multiprocessing.Manager()
semaphore = multiprocessing.Semaphore(10)

return_dict = manager.dict()
result_dict: Dict[Any, Any] = dict()
if parallelise:
manager = multiprocessing.Manager()
semaphore = multiprocessing.Semaphore(10)

jobs = []
idx = 0
for profile in self.profiles:
p = multiprocessing.Process(
target=fuzzer_profile.FuzzerProfile.accummulate_profile,
args=(profile, self.base_folder, return_dict, f"uniq-{idx}",
semaphore))
jobs.append(p)
idx += 1
p.start()
for proc in jobs:
proc.join()
return_dict = manager.dict()

jobs = []
idx = 0
for profile in self.profiles:
p = multiprocessing.Process(
target=fuzzer_profile.FuzzerProfile.accummulate_profile,
args=(profile, self.base_folder, return_dict, f"uniq-{idx}",
semaphore))
jobs.append(p)
idx += 1
p.start()
for proc in jobs:
proc.join()
result_dict = return_dict.copy()
else:
for profile in self.profiles:
fuzzer_profile.FuzzerProfile.accummulate_profile(
profile, self.base_folder, result_dict, f"uniq-{idx}")
Copy link

@centic9 centic9 Feb 22, 2026

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

idx is unknown here, maybe should count up similar as above?


new_profiles = []
for idx in return_dict:
Expand Down
4 changes: 3 additions & 1 deletion src/fuzz_introspector/commands.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -113,6 +113,7 @@ def analyse_end_to_end(arg_language,
correlation_file = ''

try:
is_parallel = os.getenv('FUZZ_INTROSPECTOR_PARALLEL', "true").lower() == "true"
exit_code, return_values2 = run_analysis_on_dir(
target_folder=out_dir,
coverage_url=coverage_url,
Expand All @@ -123,7 +124,8 @@ def analyse_end_to_end(arg_language,
language=language,
out_dir=out_dir,
dump_files=dump_files,
harness_lists=harness_lists)
harness_lists=harness_lists,
parallelise=is_parallel)
for k, v in return_values2.items():
return_values[k] = v
except DataLoaderError:
Expand Down