From: Masami Hiramatsu <mhiramat@kernel.org>
To: Jeff Xie <xiehuan09@gmail.com>
Cc: rostedt@goodmis.org, mhiramat@kernel.org, mingo@redhat.com,
zanussi@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC][PATCH v6 3/5] trace/README: Document objtrace trigger syntax
Date: Fri, 17 Dec 2021 00:02:34 +0900 [thread overview]
Message-ID: <20211217000234.46a613cf12d8402176c49322@kernel.org> (raw)
In-Reply-To: <20211129164951.220511-4-xiehuan09@gmail.com>
Hi Jeff,
On Tue, 30 Nov 2021 00:49:49 +0800
Jeff Xie <xiehuan09@gmail.com> wrote:
> Add a short description of the use of objtrace trigger.
Please merge this into the [1/5] and [2/5], because the changes of
"a new feature" and "the existance of the feature which
kernel indicates" must be atomic.
My recommendation is
- add following line in the first patch
"\t objtrace:add:obj[:count][if <filter>]\n"
- and update it as following in the next patch according to the changes
"\t objtrace:add:obj[,offset][:type][:count][if <filter>]\n"
Thank you!
>
> Signed-off-by: Jeff Xie <xiehuan09@gmail.com>
> ---
> kernel/trace/trace.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
> index 88de94da596b..a84b6813769e 100644
> --- a/kernel/trace/trace.c
> +++ b/kernel/trace/trace.c
> @@ -5590,6 +5590,9 @@ static const char readme_msg[] =
> "\t enable_hist:<system>:<event>\n"
> "\t disable_hist:<system>:<event>\n"
> #endif
> +#ifdef CONFIG_TRACE_OBJECT
> + "\t objtrace:add:obj[,offset][:type][:count][if <filter>]\n"
> +#endif
> #ifdef CONFIG_STACKTRACE
> "\t\t stacktrace\n"
> #endif
> --
> 2.25.1
>
--
Masami Hiramatsu <mhiramat@kernel.org>
next prev parent reply other threads:[~2021-12-16 15:02 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-29 16:49 [RFC][PATCH v6 0/5] trace: Introduce objtrace trigger to trace the kernel object Jeff Xie
2021-11-29 16:49 ` [RFC][PATCH v6 1/5] trace: Add trace any " Jeff Xie
2021-12-17 4:51 ` Masami Hiramatsu
2021-12-17 16:32 ` Jeff Xie
2021-12-19 3:07 ` Masami Hiramatsu
2022-01-08 0:21 ` Steven Rostedt
2022-01-10 2:00 ` Jeff Xie
2021-12-21 7:36 ` Masami Hiramatsu
2021-12-21 10:29 ` Jeff Xie
2021-12-23 14:12 ` Jeff Xie
2021-11-29 16:49 ` [RFC][PATCH v6 2/5] trace/objtrace: get the value of the object Jeff Xie
2021-11-29 16:49 ` [RFC][PATCH v6 3/5] trace/README: Document objtrace trigger syntax Jeff Xie
2021-12-16 15:02 ` Masami Hiramatsu [this message]
2021-12-17 1:45 ` Jeff Xie
2021-11-29 16:49 ` [RFC][PATCH v6 4/5] trace/objtrace: Add testcases for objtrace Jeff Xie
2021-11-29 16:49 ` [RFC][PATCH v6 5/5] trace/objtrace: Add documentation " Jeff Xie
2021-12-10 16:55 ` [RFC][PATCH v6 0/5] trace: Introduce objtrace trigger to trace the kernel object Jeff Xie
2021-12-10 17:31 ` Steven Rostedt
2021-12-13 10:16 ` Masami Hiramatsu
2021-12-16 14:50 ` Masami Hiramatsu
2021-12-17 1:43 ` Jeff Xie
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