linux-kernel - Re: [PATCH] tools: lib: traceevent: event-parse.c: Remove some unused functions

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Date:	Mon, 22 Dec 2014 23:00:27 +0100
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: Re: [PATCH] tools: lib: traceevent: event-parse.c: Remove some unused functions

2014-12-22 16:07 GMT+01:00 Jiri Olsa <jolsa@...hat.com>:
> On Mon, Dec 22, 2014 at 12:52:10PM -0200, Arnaldo Carvalho de Melo wrote:
>> Em Sat, Dec 20, 2014 at 01:45:41PM +0100, Rickard Strandqvist escreveu:
>> > Removes some functions that are not used anywhere:
>> > pevent_get_any_field_val() pevent_get_common_field_val() pevent_event_fields() pevent_event_common_fields() pevent_list_events() pevent_print_event() pevent_data_event_from_type() pevent_register_trace_clock() pevent_pid_is_registered()
>> >
>> > This was partially found by using a static code analysis program called cppcheck.
>>
>> Steven, Namhyung, Jiri:
>>
>> Are you ok with me applying this patch? I'm all for it, dead code better
>> be removed, but I don't know what are your plans wrt synchronization
>> with the trace-cmd repo.
>
> I'm not aware about more porting from traceevent lib, but I'm
> guessing there's still lot of things missing..?
>
> However, if we go with the removal, this patch has same
> issue as the other one.. missing removal of functions
> used only in removed code:
>
>
>   CC FPIC  event-parse.o
> /home/jolsa/kernel.org/linux-perf/tools/lib/traceevent/event-parse.c:4597:13: warning: ‘is_timestamp_in_us’ defined but not used [-Wunused-function]
>  static bool is_timestamp_in_us(char *trace_clock, bool use_trace_clock)
>              ^
> /home/jolsa/kernel.org/linux-perf/tools/lib/traceevent/event-parse.c:4624:12: warning: ‘events_name_cmp’ defined but not used [-Wunused-function]
>  static int events_name_cmp(const void *a, const void *b)
>             ^
> /home/jolsa/kernel.org/linux-perf/tools/lib/traceevent/event-parse.c:4641:12: warning: ‘events_system_cmp’ defined but not used [-Wunused-function]
>  static int events_system_cmp(const void *a, const void *b)
>             ^
> /home/jolsa/kernel.org/linux-perf/tools/lib/traceevent/event-parse.c:4659:1: warning: ‘get_event_fields’ defined but not used [-Wunused-function]
>  get_event_fields(const char *type, const char *name,
>  ^
>   CC FPIC  event-plugin.o
>
>
> thanks,
> jirka

Hi

Sounds good!
I'll check on the warnings to.

Kind regards
Rickard Strandqvist
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