Zhang Rui f638858da0 tools/power/turbostat: Handle cgroup v2 cpu limitation
CPUs can be isolated via cgroup settings and turbostat should avoid
migrating to these CPUs, just like it does for the '-c' cpus.

Introduce cpu_effective_set to save the cgroup cpu limitation info from
/sys/fs/cgroup/cpuset.cpus.effective. And use cpu_allowed_set as the
intersection of cpu_present_set, cpu_effective_set and cpu_subset.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2023-10-24 13:38:09 +08:00
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