BPF_CALL_0        475 include/linux/filter.h #define BPF_CALL_0(name, ...)	BPF_CALL_x(0, name, __VA_ARGS__)
BPF_CALL_0       2007 kernel/bpf/core.c BPF_CALL_0(bpf_user_rnd_u32)
BPF_CALL_0        121 kernel/bpf/helpers.c BPF_CALL_0(bpf_get_smp_processor_id)
BPF_CALL_0        132 kernel/bpf/helpers.c BPF_CALL_0(bpf_get_numa_node_id)
BPF_CALL_0        143 kernel/bpf/helpers.c BPF_CALL_0(bpf_ktime_get_ns)
BPF_CALL_0        155 kernel/bpf/helpers.c BPF_CALL_0(bpf_get_current_pid_tgid)
BPF_CALL_0        171 kernel/bpf/helpers.c BPF_CALL_0(bpf_get_current_uid_gid)
BPF_CALL_0        316 kernel/bpf/helpers.c BPF_CALL_0(bpf_get_current_cgroup_id)
BPF_CALL_0        552 kernel/trace/bpf_trace.c BPF_CALL_0(bpf_get_current_task)
BPF_CALL_0        259 net/core/filter.c BPF_CALL_0(bpf_get_raw_cpu_id)