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Get CPU Frequency

Description​

The get_cpu_frequency function retrieves the current CPU frequency in MHz by reading the /proc/cpuinfo file and searching for the "cpu MHz" entry.

Function Signature:​

def get_cpu_frequency() -> float:

Parameters​

  • None

Returns​

  • float: The CPU frequency in MHz.

Example Usage​

cpu_frequency = get_cpu_frequency()
print(f"Current CPU frequency: {cpu_frequency} MHz")

Notes​

  • This function reads the contents of /proc/cpuinfo to extract the CPU frequency.
  • It uses a regular expression (re.search) to locate the "cpu MHz" entry and retrieve the frequency.

Error Handling​

  • If the "cpu MHz" entry is not found in the /proc/cpuinfo file, a RuntimeError will be raised indicating that the CPU frequency could not be retrieved.