scx_bpf_dsq_peek
BTF_ID_FLAGS(func, scx_bpf_dsq_peek, KF_RCU_PROTECTED | KF_RET_NULL)
struct task_struct *scx_bpf_dsq_peek(u64 dsq_id) __ksym __weak;
if (bpf_ksym_exists(scx_bpf_dsq_peek))
return scx_bpf_dsq_peek(dsq_id);
debug_ksym_exists = bpf_ksym_exists(scx_bpf_dsq_peek) ? 1 : 0;