Files
crawl4ai/tests/test_memory_macos.py

71 lines
2.5 KiB
Python
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#!/usr/bin/env python3
"""Test script to verify macOS memory calculation accuracy."""
import psutil
import platform
import time
from crawl4ai.utils import get_true_memory_usage_percent, get_memory_stats, get_true_available_memory_gb
def test_memory_calculation():
"""Test and compare memory calculations."""
print(f"Platform: {platform.system()}")
print(f"Python version: {platform.python_version()}")
print("-" * 60)
# Get psutil's view
vm = psutil.virtual_memory()
psutil_percent = vm.percent
psutil_available_gb = vm.available / (1024**3)
total_gb = vm.total / (1024**3)
# Get our corrected view
true_percent = get_true_memory_usage_percent()
true_available_gb = get_true_available_memory_gb()
true_percent_calc, available_calc, total_calc = get_memory_stats()
print("Memory Statistics Comparison:")
print(f"Total Memory: {total_gb:.2f} GB")
print()
print("PSUtil (Standard) Calculation:")
print(f" - Memory Used: {psutil_percent:.1f}%")
print(f" - Available: {psutil_available_gb:.2f} GB")
print()
print("Platform-Aware Calculation:")
print(f" - Memory Used: {true_percent:.1f}%")
print(f" - Available: {true_available_gb:.2f} GB")
print(f" - Difference: {true_available_gb - psutil_available_gb:.2f} GB of reclaimable memory")
print()
# Show the impact on dispatcher behavior
print("Impact on MemoryAdaptiveDispatcher:")
thresholds = {
"Normal": 90.0,
"Critical": 95.0,
"Recovery": 85.0
}
for name, threshold in thresholds.items():
psutil_triggered = psutil_percent >= threshold
true_triggered = true_percent >= threshold
print(f" - {name} Threshold ({threshold}%):")
print(f" PSUtil: {'TRIGGERED' if psutil_triggered else 'OK'}")
print(f" Platform-Aware: {'TRIGGERED' if true_triggered else 'OK'}")
if psutil_triggered != true_triggered:
print(f" → Difference: Platform-aware prevents false {'pressure' if psutil_triggered else 'recovery'}")
print()
# Monitor for a few seconds
print("Monitoring memory for 10 seconds...")
for i in range(10):
vm = psutil.virtual_memory()
true_pct = get_true_memory_usage_percent()
print(f" {i+1}s - PSUtil: {vm.percent:.1f}% | Platform-Aware: {true_pct:.1f}%", end="\r")
time.sleep(1)
print("\n")
if __name__ == "__main__":
test_memory_calculation()