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