sentry/bin/benchmark_detectors

#!/usr/bin/env python
# isort: skip_file

"""
This script benchmarks the performance of issue detectors in Sentry.

NOTE: This currently only supports FileIOMainThreadDetector.

Usage: python benchmark_detectors
"""
from sentry.runner import configure

configure()
import time
import sentry_sdk
from sentry.testutils.performance_issues.event_generators import get_event  # noqa: S007
from sentry.utils.performance_issues.detectors.io_main_thread_detector import (
    FileIOMainThreadDetector,
)
from sentry.utils.performance_issues.performance_detection import (
    get_detection_settings,
    run_detector_on_data,
)

sentry_sdk.init(None)


def main():
    settings = get_detection_settings()

    # 10 events: 1 ignored, 1 matching, and 8 ignored
    events = [get_event("file-io-on-main-thread") for _ in range(0, 10)]
    events[0]["spans"][0]["data"]["file.path"] = "somethins/stuff/blah/yup/KBLayout_iPhone.dat"
    for i in range(2, 10):
        events[i]["spans"][0]["data"]["blocked_main_thread"] = False

    count = 100_000

    start = time.perf_counter()
    for _ in range(0, count):
        for event in events:
            detector = FileIOMainThreadDetector(settings, event)
            run_detector_on_data(detector, event)
    elapsed = time.perf_counter() - start

    ops = count * len(events)
    print(f"{ops:,} ops")  # noqa
    print(f"{elapsed:.3f} s")  # noqa
    print(f"{ops/elapsed:,.2f} ops/s")  # noqa


if __name__ == "__main__":
    main()