linux-kernel - Re: [RFC PATCH 2/2] trace: allocate temparary buffer for trace output usage

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Message-ID: <20221214221609.1d8f62be@gandalf.local.home>
Date:   Wed, 14 Dec 2022 22:16:09 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Linyu Yuan <quic_linyyuan@...cinc.com>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>,
        <linux-kernel@...r.kernel.org>, <bpf@...r.kernel.org>
Subject: Re: [RFC PATCH 2/2] trace: allocate temparary buffer for trace
 output usage

On Thu, 15 Dec 2022 09:53:27 +0800
Linyu Yuan <quic_linyyuan@...cinc.com> wrote:

> is it possible add a generic macro like #define __get_buf(offset, len)  
> (p->buffer + (offset))  ?
> 
> it only use buffer filed of struct trace_seq .

If it works for you, I guess. I'd like to see the patch and use case.

-- Steve