Python run on Raspberry Pi OS to check memory and disk info using psutil.

psutil (python system and process utilities) is a cross-platform library for retrieving information on running processes and system utilization (CPU, memory, disks, network, sensors) in Python. It is useful mainly for system monitoring, profiling, limiting process resources and the management of running processes.

It's a simple Python exercise run on Raspberry Pi 5/8G running Raspberry Pi OS 64-bit (bookworm), to check memory and disk info using psutil.

psutil_info.py

import psutil #https://psutil.readthedocs.io/en/latest/index.html

memory = psutil.virtual_memory()

memory_available = round(memory.available/(1024*1024))
memory_total = round(memory.total/(1024*1024))

# Calculate disk information
disk = psutil.disk_usage('/')

disk_used = round(disk.used/(1024*1024*1024))
disk_total = round(disk.total/(1024*1024*1024))

print(psutil.__name__, psutil.__version__)
print()
print("Memory:\t",
      str(memory_available), "MB available /", str(memory_total), "MB total (" + str(memory.percent) + "%)")
print("Disk:\t",
      str(disk_used), "GB used /", str(disk_total), "GB total (" + str(disk.percent) + "% usage)")

Output:

psutil 5.9.4

Memory:	 6406 MB available / 8050 MB total (20.4%)
Disk:	 6 GB used / 117 GB total (5.0% usage)