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

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Message-ID: <1654171861-24014-1-git-send-email-quic_linyyuan@quicinc.com>
Date:   Thu, 2 Jun 2022 20:10:58 +0800
From:   Linyu Yuan <quic_linyyuan@...cinc.com>
To:     Steven Rostedt <rostedt@...dmis.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Tom Zanussi <zanussi@...nel.org>,
        Ingo Molnar <mingo@...hat.com>
CC:     <linux-kernel@...r.kernel.org>,
        Linyu Yuan <quic_linyyuan@...cinc.com>
Subject: [PATCH v4 0/3] tracing/probes: allow no event name input when create group

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.

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