s390_runtime_instr(2) System Calls Manual s390_runtime_instr(2) s390_runtime_instr - / s390 (libc -lc) #include /* S390_* */ #include /* SYS_* */ #include int syscall(SYS_s390_runtime_instr, int command, int signum); : glibc s390_runtime_instr() syscall(2). s390_runtime_instr() . command (S390_RUNTIME_INSTR_START 1) (S390_RUNTIME_INSTR_STOP 2) . signum . . Linux 4.4 . s390_runtime_instr() 0 . . -1 errno . EINVAL command . EINVAL signum . Linux 4.4 signum . ENOMEM . EOPNOTSUPP . s390. Linux 3.7. System z EC12. asm/runtime_instr.h Linux 4.16. Linux 4.4 signum . signum . syscall(2), signal(7) 3 . . : . 6.18 8 2026 s390_runtime_instr(2)