Lock Guard Remediation Report

Acquire a guard lock without blocking and turn the count of waiters into an enter, backoff, or page remediation action.

lock_guard_remediation_report.py

import threading


waiters = 
guard = threading.Lock()
held = 1 if guard.acquire(blocking=False) else 0
backoff_limit = 2

action = "enter" if waiters == 0 else "backoff" if waiters <= backoff_limit else "page"

if held:
    guard.release()

print("waiters=" + str(waiters) + " held=" + str(held) + " action=" + action)

import threading


waiters = 
guard = threading.Lock()
held = 1 if guard.acquire(blocking=False) else 0
backoff_limit = 2

action = "enter" if waiters == 0 else "backoff" if waiters <= backoff_limit else "page"

if held:
    guard.release()

print("waiters=" + str(waiters) + " held=" + str(held) + " action=" + action)

import threading


waiters = 
guard = threading.Lock()
held = 1 if guard.acquire(blocking=False) else 0
backoff_limit = 2

action = "enter" if waiters == 0 else "backoff" if waiters <= backoff_limit else "page"

if held:
    guard.release()

print("waiters=" + str(waiters) + " held=" + str(held) + " action=" + action)

guard contention A nonblocking `threading.Lock` acquire plus a deterministic waiter count selects whether to enter, back off, or page, without depending on scheduler timing.