Hello, Atish. The above series won't compile with CONFIG_BPF_SYSCALL set: linux/kernel/events/core.c:9912:18: error: assignment to 'bpf_user_pt_regs_t *' {aka 'struct user_regs_struct *'} from incompatible pointer type 'struct pt_regs *' [-Werror=incompatible-pointer-types] 9912 | ctx.regs = perf_arch_bpf_user_pt_regs(regs); Just informing you - hope this is helpful. Yours, Nikita Shubin