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Add --perf flag #701

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merged 2 commits into from
Nov 24, 2020
Merged

Add --perf flag #701

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d3ee359
Add --perf flag
montyly Nov 24, 2020
76f240c
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montyly Nov 24, 2020
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17 changes: 17 additions & 0 deletions slither/__main__.py
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Original file line number Diff line number Diff line change
@@ -1,13 +1,16 @@
#!/usr/bin/env python3

import argparse
import cProfile
import glob
import inspect
import json
import logging
import os
import pstats
import sys
import traceback
from typing import Optional

from pkg_resources import iter_entry_points, require

Expand Down Expand Up @@ -489,6 +492,10 @@ def parse_args(detector_classes, printer_classes):
default=defaults_flag_in_config["ignore_return_value"],
)

parser.add_argument(
"--perf", help=argparse.SUPPRESS, action="store_true", default=False,
)

# if the json is splitted in different files
parser.add_argument("--splitted", help=argparse.SUPPRESS, action="store_true", default=False)

Expand Down Expand Up @@ -598,6 +605,11 @@ def main_impl(all_detector_classes, all_printer_classes):
logger.setLevel(logging.INFO)
args = parse_args(all_detector_classes, all_printer_classes)

cp: Optional[cProfile.Profile] = None
if args.perf:
cp = cProfile.Profile()
cp.enable()

# Set colorization option
set_colorization_enabled(not args.disable_color)

Expand Down Expand Up @@ -773,6 +785,11 @@ def main_impl(all_detector_classes, all_printer_classes):
if outputting_zip:
output_to_zip(args.zip, output_error, json_results, args.zip_type)

if args.perf:
cp.disable()
stats = pstats.Stats(cp).sort_stats("cumtime")
stats.print_stats()

# Exit with the appropriate status code
if output_error:
sys.exit(-1)
Expand Down