linux-kernel - [PATCH v2 0/2] tracing: Add and use event

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Message-Id: <cover.1636748267.git.zanussi@kernel.org>
Date:   Fri, 12 Nov 2021 14:23:38 -0600
From:   Tom Zanussi <zanussi@...nel.org>
To:     rostedt@...dmis.org
Cc:     mhiramat@...nel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 0/2] tracing: Add and use event_command parsing func helpers

With more event commands being implemented, it's been pointed out that
it would make sense to clean up the existing ones and make it easier
to implement new ones without copying a lot of boilerplate.  The main
culprit here is the event_command.func() callback - the rest of the
event_command infrastructure has default implementations that work for
most implementations.  The func() callback is a little different in
that every new command needs to customize parsing to some extent.

This patchset attempts to help clean that up and make it easier for
new users to deal with.

v2: removed unused event_trigger_remove(). No change in functionality.

The following changes since commit 67d4f6e3bf5dddced226fbf19704cdbbb0c98847:

  ftrace/samples: Add missing prototype for my_direct_func (2021-11-01 20:56:51 -0400)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/zanussi/linux-trace.git ftrace/cleanup-hist-func-v2

Tom Zanussi (2):
  tracing: Add helper functions to simplify event_command callback
    handling
  tracing: Have existing event_command implementations use helpers

 kernel/trace/trace.h                |  21 ++
 kernel/trace/trace_events_hist.c    |  52 ++---
 kernel/trace/trace_events_trigger.c | 294 ++++++++++++++++------------
 3 files changed, 208 insertions(+), 159 deletions(-)

-- 
2.17.1