linux-kernel - Re: [PATCH v4 0/3] tracing/probes: allow no event name input when create group

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Date:   Mon, 6 Jun 2022 23:41:50 +0900
From:   Masami Hiramatsu (Google) <mhiramat@...nel.org>
To:     Linyu Yuan <quic_linyyuan@...cinc.com>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Tom Zanussi <zanussi@...nel.org>,
        Ingo Molnar <mingo@...hat.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 0/3] tracing/probes: allow no event name input when
 create group

Hi Linyu,

On Thu, 2 Jun 2022 20:10:58 +0800
Linyu Yuan <quic_linyyuan@...cinc.com> wrote:

> take kprobe event as example, when create a group of events,
> p[:[GRP/]EVENT] [MOD:]KSYM[+OFFS]|KADDR [FETCHARGS],
> according to this format, we must input EVENT name,
> 
> this change allow only GRP/ input, EVENT name auto generate from KSYM,
> p[:[GRP/][EVENT]] [MOD:]KSYM[+OFFS]|KADDR [FETCHARGS]
> 
> siliar change apply to eprobe and uprobe.

Thanks for updating the series. This looks godd to me.

Acked-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>

for this series.

Thank you!

> 
> V1: https://lore.kernel.org/lkml/1651397651-30454-1-git-send-email-quic_linyyuan@quicinc.com/
> 
> V2: fix remove comment in V1 patch1,
>     remove v1 patch2 as it is NACK.
> 
> v3: (v2 link: https://lore.kernel.org/lkml/1653795294-19764-1-git-send-email-quic_linyyuan@quicinc.com/)
>     add selftest cases for kprobe and eprobe event,
>     remove macro used in v1,v2,
>     change location to generate eprobe event name.
> 
> v4: (v3 link: https://lore.kernel.org/lkml/1653978552-18637-1-git-send-email-quic_linyyuan@quicinc.com/)
>     fix comment of kprobe/eprobe test case.
> 
> Linyu Yuan (3):
>   tracing: eprobe: remove duplicate is_good_name() operation
>   tracing: auto generate event name when create a group of events
>   selftests/ftrace: add test case for GRP/ only input
> 
>  Documentation/trace/kprobetrace.rst                |  8 +++----
>  Documentation/trace/uprobetracer.rst               |  8 +++----
>  kernel/trace/trace.c                               |  8 +++----
>  kernel/trace/trace_dynevent.c                      |  2 +-
>  kernel/trace/trace_eprobe.c                        | 25 +++++++++++-----------
>  kernel/trace/trace_kprobe.c                        | 16 ++++++++------
>  kernel/trace/trace_probe.c                         |  6 ++++++
>  kernel/trace/trace_uprobe.c                        | 12 +++++++----
>  .../ftrace/test.d/dynevent/add_remove_eprobe.tc    |  9 +++++++-
>  .../ftrace/test.d/dynevent/add_remove_kprobe.tc    |  7 ++++++
>  10 files changed, 64 insertions(+), 37 deletions(-)
> 
> -- 
> 2.7.4
> 


-- 
Masami Hiramatsu (Google) <mhiramat@...nel.org>