getcpu on score
determine CPU and NUMA node on which the calling thread is running
sys_getcpu(unsigned *cpup, unsigned *nodep, struct getcpu_cache *unused)| number | 168 (0xa8) |
|---|---|
| abi | common |
| entry point | sys_getcpu |
| since | Linux 3.7 or earlier (3.7 is the first release scanned for score) |
| man page | getcpu(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
r27 | 168, the syscall number |
r4 | unsigned *cpup |
r5 | unsigned *nodep |
r6 | struct getcpu_cache *unused |
r4 | the return value |
Then run syscall to enter the kernel.
r7 is the error flag and r4 then holds the positive error number.
This architecture was removed from the Linux kernel in Linux 4.17. The newest release with a syscall table here is Linux 4.16. The other removed architectures live on the historical architectures page.
Same syscall on other architectures
- x64 309
- x86 318
- arm64 168
- arm 345
- riscv64 168
- ia32 318
- x32 1073742133
- loongarch64 168
- ppc64 302
- ppc 302
- s390x 311
- mips64 5271
- mipsn32 6275
- mipso32 4312
- alpha 473
- arc 168
- cris 318, removed in 4.17
- csky 168
- frv 318, removed in 4.17
- hexagon 168
- ia64 1304, removed in 6.7
- m32r 318, removed in 4.17
- m68k 314
- metag 168, removed in 4.17
- microblaze 318
- mn10300 319, removed in 4.17
- nds32 168, removed in 5.18
- nios2 168
- openrisc 168
- parisc 296
- sh 318
- sparc 308
- sparc64 308
- tilegx 168, removed in 4.17
- tilepro 168, removed in 4.17
- xtensa 280
Get this as JSON: https://api.syscall.sh/v2/syscalls/score/getcpu?kernel=all