syscall.sh / ppc / getcpu

getcpu

determine CPU and NUMA node on which the calling thread is running

sys_getcpu(unsigned *cpup, unsigned *nodep, void *unused)
number302 (0x12e)
abicommon
entry pointsys_getcpu
sinceLinux 5.0
man pagegetcpu(2)
sourceelixir.bootlin.com

Registers

registervalue
r0302, the syscall number
r3unsigned *cpup
r4unsigned *nodep
r5void *unused
r3the return value

Then run sc to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/ppc/getcpu