Re: [PATCH] Simple LTTng userspace events through debugfs

From: Ingo Molnar
Date: Tue Dec 16 2008 - 14:42:39 EST



* Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx> wrote:

> Hi,
>
> I looked at kmemtrace and noticed that the presence of a debugfs
> "marker" file, which lets userspace write events into the trace buffers.
>
> So I just did the same with a
>
> /debugfs/ltt/write_event

you mean similar to ftrace's /debug/tracing/trace_marker ? ;-)

Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/