Re: [PATCH v2] tracing: Introduce pipe_cpumask to avoid race on trace_pipes

From: Steven Rostedt
Date: Sun Aug 20 2023 - 22:33:09 EST


On Mon, 21 Aug 2023 11:19:54 +0900
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> wrote:

> Ah, this caused a drop. errno can be EAGAIN even if rlen > 0.
> I've fixed this and that works.
> BTW, I think this virtio-trace would be better to move under
> tools/tracing because it is a tracing tool.

I'm fine with that, as where it is, I'm very unfamiliar with this tool.
It is likely not taking advantage of all the tracing tooling we
have. I actually never even used it.

-- Steve