42 lines
1 KiB
Python
Executable file
42 lines
1 KiB
Python
Executable file
#!/usr/bin/env python3
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# SPDX-License-Identifier: GPL-2.0-only
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import raw_pylibcpupower as p
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# Simple function call
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"""
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Get cstate count
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"""
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cpu_cstates_count = p.cpuidle_state_count(0)
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if cpu_cstates_count > -1:
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print(f"CPU 0 has {cpu_cstates_count} c-states")
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else:
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print(f"cstate count error: return code: {cpu_cstates_count}")
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"""
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Disable cstate (will fail if the above is 0, ex: a virtual machine)
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"""
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cstate_disabled = p.cpuidle_state_disable(0, 0, 1)
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if cpu_cstates_count == 0:
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print(f"CPU 0 has {cpu_cstates_count} c-states")
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else:
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print(f"cstate count error: return code: {cpu_cstates_count}")
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match cstate_disabled:
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case 0:
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print(f"CPU state disabled")
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case -1:
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print(f"Idlestate not available")
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case _:
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print(f"Not documented")
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# Pointer example
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topo = p.cpupower_topology()
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total_cpus = p.get_cpu_topology(topo)
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if total_cpus > 0:
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print(f"Number of total cpus: {total_cpus} and number of cores: {topo.cores}")
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else:
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print(f"Error: could not get cpu topology")
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