syscall.sh / xtensa / sched_setaffinity

sched_setaffinity

set and get a thread's CPU affinity mask

sys_sched_setaffinity(pid_t pid, unsigned int len, unsigned long *user_mask_ptr)
number156 (0x9c)
abicommon
entry pointsys_sched_setaffinity
sinceLinux 5.0
man pagesched_setaffinity(2)
sourceelixir.bootlin.com

Registers

registervalue
a2156, the syscall number
a6pid_t pid
a3unsigned int len
a4unsigned long *user_mask_ptr
a2the return value

Then run syscall to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/xtensa/sched_setaffinity