userstack 17 samples/bpf/trace_event_kern.c u32 userstack; userstack 55 samples/bpf/trace_event_kern.c key.userstack = bpf_get_stackid(ctx, &stackmap, USER_STACKID_FLAGS); userstack 56 samples/bpf/trace_event_kern.c if ((int)key.kernstack < 0 && (int)key.userstack < 0) { userstack 58 samples/bpf/trace_event_user.c __u32 userstack; userstack 75 samples/bpf/trace_event_user.c if (bpf_map_lookup_elem(map_fd[1], &key->userstack, ip) != 0) { userstack 89 samples/bpf/trace_event_user.c } else if ((int)key->kernstack < 0 && (int)key->userstack < 0) { userstack 90 samples/bpf/trace_event_user.c printf("err stackid %d %d\n", key->kernstack, key->userstack);