stacks_0 219 tools/testing/selftests/bpf/progs/strobemeta.h } stacks_0 SEC(".maps"); stacks_0 522 tools/testing/selftests/bpf/progs/strobemeta.h sample->kernel_stack_id = bpf_get_stackid(ctx, &stacks_0, 0); stacks_0 523 tools/testing/selftests/bpf/progs/strobemeta.h sample->user_stack_id = bpf_get_stackid(ctx, &stacks_0, BPF_F_USER_STACK);