Files
gogo2/kill_stale_processes.py
2025-07-20 01:52:36 +03:00

331 lines
12 KiB
Python

"""
Kill Stale Processes
This script identifies and kills stale Python processes that might be causing
the dashboard startup freeze. It looks for:
1. Hanging dashboard processes
2. Stale COB data collection threads
3. Matplotlib GUI processes
4. Blocked network connections
Usage:
python kill_stale_processes.py
"""
import os
import sys
import psutil
import signal
import time
from datetime import datetime
def find_python_processes():
"""Find all Python processes"""
python_processes = []
try:
for proc in psutil.process_iter(['pid', 'name', 'cmdline', 'create_time', 'status']):
try:
if proc.info['name'] and 'python' in proc.info['name'].lower():
# Get command line to identify dashboard processes
cmdline = ' '.join(proc.info['cmdline']) if proc.info['cmdline'] else ''
python_processes.append({
'pid': proc.info['pid'],
'name': proc.info['name'],
'cmdline': cmdline,
'create_time': proc.info['create_time'],
'status': proc.info['status'],
'process': proc
})
except (psutil.NoSuchProcess, psutil.AccessDenied):
continue
except Exception as e:
print(f"Error finding Python processes: {e}")
return python_processes
def identify_dashboard_processes(python_processes):
"""Identify processes related to the dashboard"""
dashboard_processes = []
dashboard_keywords = [
'clean_dashboard',
'run_clean_dashboard',
'dashboard',
'trading',
'cob_data',
'orchestrator',
'data_provider'
]
for proc_info in python_processes:
cmdline = proc_info['cmdline'].lower()
# Check if this is a dashboard-related process
is_dashboard = any(keyword in cmdline for keyword in dashboard_keywords)
if is_dashboard:
dashboard_processes.append(proc_info)
return dashboard_processes
def identify_stale_processes(python_processes):
"""Identify potentially stale processes"""
stale_processes = []
current_time = time.time()
for proc_info in python_processes:
try:
proc = proc_info['process']
# Check if process is in a problematic state
if proc_info['status'] in ['zombie', 'stopped']:
stale_processes.append({
**proc_info,
'reason': f"Process status: {proc_info['status']}"
})
continue
# Check if process has been running for a very long time without activity
age_hours = (current_time - proc_info['create_time']) / 3600
if age_hours > 24: # Running for more than 24 hours
try:
# Check CPU usage
cpu_percent = proc.cpu_percent(interval=1)
if cpu_percent < 0.1: # Very low CPU usage
stale_processes.append({
**proc_info,
'reason': f"Old process ({age_hours:.1f}h) with low CPU usage ({cpu_percent:.1f}%)"
})
except:
pass
# Check for processes with high memory usage but no activity
try:
memory_info = proc.memory_info()
memory_mb = memory_info.rss / 1024 / 1024
if memory_mb > 500: # More than 500MB
cpu_percent = proc.cpu_percent(interval=1)
if cpu_percent < 0.1:
stale_processes.append({
**proc_info,
'reason': f"High memory usage ({memory_mb:.1f}MB) with low CPU usage ({cpu_percent:.1f}%)"
})
except:
pass
except (psutil.NoSuchProcess, psutil.AccessDenied):
continue
return stale_processes
def kill_process_safely(proc_info, force=False):
"""Kill a process safely"""
try:
proc = proc_info['process']
pid = proc_info['pid']
print(f"Attempting to {'force kill' if force else 'terminate'} PID {pid}: {proc_info['name']}")
if force:
# Force kill
if os.name == 'nt': # Windows
os.system(f"taskkill /F /PID {pid}")
else: # Unix/Linux
os.kill(pid, signal.SIGKILL)
else:
# Graceful termination
proc.terminate()
# Wait for termination
try:
proc.wait(timeout=5)
print(f"✅ Process {pid} terminated gracefully")
return True
except psutil.TimeoutExpired:
print(f"⚠️ Process {pid} didn't terminate gracefully, will force kill")
return False
print(f"✅ Process {pid} killed")
return True
except (psutil.NoSuchProcess, psutil.AccessDenied) as e:
print(f"⚠️ Could not kill process {proc_info['pid']}: {e}")
return False
except Exception as e:
print(f"❌ Error killing process {proc_info['pid']}: {e}")
return False
def check_port_usage():
"""Check if dashboard port is in use"""
try:
import socket
# Check if port 8050 is in use
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
result = sock.connect_ex(('localhost', 8050))
sock.close()
if result == 0:
print("⚠️ Port 8050 is in use")
# Find process using the port
for conn in psutil.net_connections():
if conn.laddr.port == 8050:
try:
proc = psutil.Process(conn.pid)
print(f" Port 8050 used by PID {conn.pid}: {proc.name()}")
return conn.pid
except:
pass
else:
print("✅ Port 8050 is available")
return None
except Exception as e:
print(f"Error checking port usage: {e}")
return None
def main():
"""Main function"""
print("🔍 Stale Process Killer")
print("=" * 50)
try:
# Step 1: Find all Python processes
print("🔍 Finding Python processes...")
python_processes = find_python_processes()
print(f"Found {len(python_processes)} Python processes")
# Step 2: Identify dashboard processes
print("\n🎯 Identifying dashboard processes...")
dashboard_processes = identify_dashboard_processes(python_processes)
if dashboard_processes:
print(f"Found {len(dashboard_processes)} dashboard-related processes:")
for proc in dashboard_processes:
age_hours = (time.time() - proc['create_time']) / 3600
print(f" PID {proc['pid']}: {proc['name']} (age: {age_hours:.1f}h, status: {proc['status']})")
print(f" Command: {proc['cmdline'][:100]}...")
else:
print("No dashboard processes found")
# Step 3: Check port usage
print("\n🌐 Checking port usage...")
port_pid = check_port_usage()
# Step 4: Identify stale processes
print("\n🕵️ Identifying stale processes...")
stale_processes = identify_stale_processes(python_processes)
if stale_processes:
print(f"Found {len(stale_processes)} potentially stale processes:")
for proc in stale_processes:
print(f" PID {proc['pid']}: {proc['name']} - {proc['reason']}")
else:
print("No stale processes identified")
# Step 5: Ask user what to do
if dashboard_processes or stale_processes or port_pid:
print("\n🤔 What would you like to do?")
print("1. Kill all dashboard processes")
print("2. Kill only stale processes")
print("3. Kill process using port 8050")
print("4. Kill all identified processes")
print("5. Show process details and exit")
print("6. Exit without killing anything")
try:
choice = input("\nEnter your choice (1-6): ").strip()
if choice == '1':
# Kill dashboard processes
print("\n🔫 Killing dashboard processes...")
for proc in dashboard_processes:
if not kill_process_safely(proc):
kill_process_safely(proc, force=True)
elif choice == '2':
# Kill stale processes
print("\n🔫 Killing stale processes...")
for proc in stale_processes:
if not kill_process_safely(proc):
kill_process_safely(proc, force=True)
elif choice == '3':
# Kill process using port 8050
if port_pid:
print(f"\n🔫 Killing process using port 8050 (PID {port_pid})...")
try:
proc = psutil.Process(port_pid)
proc_info = {
'pid': port_pid,
'name': proc.name(),
'process': proc
}
if not kill_process_safely(proc_info):
kill_process_safely(proc_info, force=True)
except:
print(f"❌ Could not kill process {port_pid}")
else:
print("No process found using port 8050")
elif choice == '4':
# Kill all identified processes
print("\n🔫 Killing all identified processes...")
all_processes = dashboard_processes + stale_processes
if port_pid:
try:
proc = psutil.Process(port_pid)
all_processes.append({
'pid': port_pid,
'name': proc.name(),
'process': proc
})
except:
pass
for proc in all_processes:
if not kill_process_safely(proc):
kill_process_safely(proc, force=True)
elif choice == '5':
# Show details
print("\n📋 Process Details:")
all_processes = dashboard_processes + stale_processes
for proc in all_processes:
print(f"\nPID {proc['pid']}: {proc['name']}")
print(f" Status: {proc['status']}")
print(f" Command: {proc['cmdline']}")
print(f" Created: {datetime.fromtimestamp(proc['create_time'])}")
elif choice == '6':
print("👋 Exiting without killing processes")
else:
print("❌ Invalid choice")
except KeyboardInterrupt:
print("\n👋 Cancelled by user")
else:
print("\n✅ No problematic processes found")
print("\n" + "=" * 50)
print("💡 After killing processes, you can try:")
print(" python run_lightweight_dashboard.py")
print(" or")
print(" python fix_startup_freeze.py")
return True
except Exception as e:
print(f"❌ Error in main function: {e}")
return False
if __name__ == "__main__":
success = main()
if not success:
sys.exit(1)