If you still seek the answer, then you can get the Performance cores via sysctl along with:
hw.perflevel0.physicalcpu OR hw.perflevel0.physicalcpu_max OR hw.perflevel0.logicalcpu OR hw.perflevel0.logicalcpu_max
and for Efficiency cores:
hw.perflevel1.physicalcpu OR hw.perflevel1.physicalcpu_max OR hw.perflevel1.logicalcpu OR hw.perflevel1.logicalcpu_max
.logicalcpu and .logicalcpu_max are probably max threads (which is 1:1 for M1 Macs)
Regards
Robert_MotionVFX
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If you still seek the answer, then you can get the Performance cores via sysctl along with:
hw.perflevel0.physicalcpu OR hw.perflevel0.physicalcpu_max OR hw.perflevel0.logicalcpu OR hw.perflevel0.logicalcpu_max
and for Efficiency cores:
hw.perflevel1.physicalcpu OR hw.perflevel1.physicalcpu_max OR hw.perflevel1.logicalcpu OR hw.perflevel1.logicalcpu_max
.logicalcpu and .logicalcpu_max are probably max threads (which is 1:1 for M1 Macs)
Regards