linux-kernel - [PATCH 0/2] tracing: Fix config dependency and trigger parser

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Date:   Sat, 20 Jun 2020 12:45:44 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Tom Zanussi <zanussi@...nel.org>
Subject: [PATCH 0/2] tracing: Fix config dependency and trigger parser

Hi,

These are some fixes which I found recentry on ftrace.

 - Since the boot-time tracing synthetic event feature is decoupled
   from trigger recenty, it should use CONFIG_SYNTH_EVENT.
 - The parser of event trigger seems rejecting some redundant
   spaces. But it is hard users to find the wrong point. Such
   spaces should be accepted.

BTW, I also found the trigger parser accepts some inputs which
may not correctly formatted, e.g.

 # echo "traceon 1" > events/ftrace/print/trigger

(from the document, it must be "traceon:1")
But I think this does not decrease the usability.

Thank you,

---

Masami Hiramatsu (2):
      tracing/boot: Fix config dependency for synthedic event
      tracing: Fix event trigger to accept redundant spaces


 kernel/trace/trace_boot.c           |    2 +-
 kernel/trace/trace_events_trigger.c |   21 +++++++++++++++++++--
 2 files changed, 20 insertions(+), 3 deletions(-)

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