linux-kernel - [PATCH 0/4] tracing: Updates to dynamic event API

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Message-Id: <cover.1580506712.git.zanussi@kernel.org>
Date:   Fri, 31 Jan 2020 15:55:30 -0600
From:   Tom Zanussi <zanussi@...nel.org>
To:     rostedt@...dmis.org
Cc:     artem.bityutskiy@...ux.intel.com, mhiramat@...nel.org,
        linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org
Subject: [PATCH 0/4] tracing: Updates to dynamic event API

Hi Steve,

This patchset adds some updates to the 'tracing: Add support for
in-kernel dynamic event API', on top of ftrace/core, addressing the
comments from v4 of that:

  - Consolidate the very similar functions
    synth_event_add_val/next_val() and inline find_synth_field(), as
    suggested by Steve

  - Replace the command-building code in dynevent_cmd with equivalent
    seq_buf functionality, as suggested by Steve

  - Move the check_arg callbacks from the arg objects and explicitly
    pass them to the add functions, as suggested by Masami

  - Get rid of a useless bit of code in dynevent_add_arg_pair() as
    suggested by Masami

With these changes the dynamic event test modules work fine and the
trigger selftests all pass.

Thanks,

Tom


The following changes since commit d380dcde9a07ca5de4805dee11f58a98ec0ad6ff:

  tracing: Fix now invalid var_ref_vals assumption in trace action (2020-01-31 12:59:26 -0500)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/zanussi/linux-trace.git ftrace/synth-event-gen-updates-v1

Tom Zanussi (4):
  tracing: Consolidate some synth_event_trace code
  tracing: Remove check_arg() callbacks from dynevent args
  tracing: Remove useless code in dynevent_arg_pair_add()
  tracing: Use seq_buf for building dynevent_cmd string

 include/linux/trace_events.h     |   4 +-
 kernel/trace/trace_dynevent.c    | 110 ++++++++++-----------------
 kernel/trace/trace_dynevent.h    |  11 ++-
 kernel/trace/trace_events_hist.c | 157 ++++++++++++++++-----------------------
 kernel/trace/trace_kprobe.c      |  12 +--
 5 files changed, 118 insertions(+), 176 deletions(-)

-- 
2.14.1