# Re: \[PATCH v3 2/2\] rust: add tracepoint support

- From: Boqun Feng \<hidden\>
- Date: 2024-06-25 18:11:28 
- List: linux-trace-kernel
- Page: https://ratatoskr.run/linux-trace-kernel/2024/06/2652915
- Thread: https://ratatoskr.run/linux-trace-kernel/2024/06/2648134/t.md

```text
On Fri, Jun 21, 2024 at 02:52:10PM +0200, Alice Ryhl wrote:
[...]
> 
> Hmm, I tried using the support where I have both events and hooks:
> 
> #define CREATE_TRACE_POINTS
> #define CREATE_RUST_TRACE_POINTS
> #include <trace/hooks/rust_binder.h>
> #include <trace/events/rust_binder.h>
> 
> But it's not really working. Initially I thought that it's because I
> need to undef DEFINE_RUST_DO_TRACE at the end of this file, but even
> when I added that, I still get this error:
> 
>     error: redefinition of 'str__rust_binder__trace_system_name'
> 
> Is the Rust support missing something, or is the answer just that you
> can't have two files of the same name like this? Or am I doing
> something else wrong?
> 

Because your hooks/rust_binder.h and events/rust_binder.h use the same
TRACE_SYSTEM name? Could you try something like:

	#define TRACE_SYSTEM rust_binder_hook

in your hooks/rust_binder.h?

Regards,
Boqun

> Alice
```