kernstack 16 samples/bpf/trace_event_kern.c u32 kernstack; kernstack 54 samples/bpf/trace_event_kern.c key.kernstack = bpf_get_stackid(ctx, &stackmap, KERN_STACKID_FLAGS); kernstack 56 samples/bpf/trace_event_kern.c if ((int)key.kernstack < 0 && (int)key.userstack < 0) { kernstack 57 samples/bpf/trace_event_user.c __u32 kernstack; kernstack 68 samples/bpf/trace_event_user.c if (bpf_map_lookup_elem(map_fd[1], &key->kernstack, ip) != 0) { kernstack 86 samples/bpf/trace_event_user.c if (key->kernstack == -EEXIST && !warned) { kernstack 89 samples/bpf/trace_event_user.c } else if ((int)key->kernstack < 0 && (int)key->userstack < 0) { kernstack 90 samples/bpf/trace_event_user.c printf("err stackid %d %d\n", key->kernstack, key->userstack);