linux-kernel - Re: [PATCH v3 2/5] tracing: Rework synthetic event command parsing

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Message-ID: <20201207191630.1d644037@gandalf.local.home>
Date:   Mon, 7 Dec 2020 19:16:30 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Tom Zanussi <zanussi@...nel.org>
Cc:     axelrasmussen@...gle.com, mhiramat@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/5] tracing: Rework synthetic event command parsing

On Mon, 26 Oct 2020 10:06:10 -0500
Tom Zanussi <zanussi@...nel.org> wrote:

> Now that command parsing has been delegated to the create functions
> and we're no longer constrained by argv_split(), we can modify the
> synthetic event command parser to better match the higher-level
> structure of the synthetic event commands, which is basically an event
> name followed by a set of semicolon-separated fields.
> 
> Since we're also now passed the raw command, we can also save it
> directly and can get rid of save_cmdstr().
> 
> Signed-off-by: Tom Zanussi <zanussi@...nel.org>
> ---
> 

This patch fails to build with:

  CC      kernel/trace/trace_events_synth.o
/work/git/linux-trace.git/kernel/trace/trace_events_synth.c: In function ‘create_or_delete_synth_event’:
/work/git/linux-trace.git/kernel/trace/trace_events_synth.c:1372:8: error: implicit declaration of function ‘check_command’ [-Werror=implicit-function-declaration]
 1372 |  ret = check_command(raw_command);
      |        ^~~~~~~~~~~~~
cc1: some warnings being treated as errors
make[3]: *** [/work/git/linux-trace.git/scripts/Makefile.build:283: kernel/trace/trace_events_synth.o] Error 1
make[2]: *** [/work/git/linux-trace.git/scripts/Makefile.build:500: kernel/trace] Error 2
make[1]: *** [/work/git/linux-trace.git/Makefile:1799: kernel] Error 2
make[1]: Leaving directory '/work/git/nobackup/bxtest/trace'
make: *** [Makefile:185: __sub-make] Error 2

-- Steve