check_perf_support

detkit.check_perf_support()

Check Perf tool is supported.

Returns:

statusdict

A dictionary with the following keys:

• 'kernel_version': Linux kernel version

• 'perf_event_paranoid': Permission status of kernel for using Perf. Values -1, 0, and 1 are admissible permissions. Higher values prevent kernel from allowing Perf tool to work.

• 'perf_installed': Boolean, indicates if Perf tool is installed.

• 'perf_working': Boolean, indicates if Perf tool is working.

See also

get_instructions_per_flop

memdet

loggdet

logpdet

Notes

The Perf tool needs to be installed and neccessary permissions should be granted for it to work. See Perf Tool.

Examples

>>> import detkit
>>> results = detkit.check_perf_support()
>>> print(results)
{
    'kernel_version': '6.8.0-51-generic',
    'perf_event_paranoid': 1,
    'perf_installed': True,
    'perf_working': True
}