Re: [PATCH 09/11] tools lib traceevent: Add priv field to struct format_field

From: Jiri Olsa
Date: Fri Jan 30 2015 - 05:48:42 EST


On Fri, Jan 30, 2015 at 11:43:03AM +0100, Jiri Olsa wrote:
> From: Wang Nan <wangnan0@xxxxxxxxxx>
>
> Introduce a priv field to 'struct format_field' for futher expansion.
>
> (In https://lkml.org/lkml/2015/1/21/383 , Jiri Olsa gives a suggestion
> about changing lib traceevent to solve a bug of perf-convert-to-ctf,
> which is related to duplicated field names. I think his suggestion
> should be something like this patch. )

oops, I forgot.. this one still needs ACK from Steven and patch
10 depends on that, but the rest is ok to go in even without this

jirka

>
> Signed-off-by: Wang Nan <wangnan0@xxxxxxxxxx>
> Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> Cc: David Ahern <dsahern@xxxxxxxxx>
> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
> Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
> Cc: Namhyung Kim <namhyung@xxxxxxxxx>
> Cc: Paul Mackerras <paulus@xxxxxxxxx>
> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Cc: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
> Cc: Tom Zanussi <tzanussi@xxxxxxxxx>
> Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
> ---
> tools/lib/traceevent/event-parse.c | 2 ++
> tools/lib/traceevent/event-parse.h | 2 ++
> 2 files changed, 4 insertions(+)
>
> diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
> index afe20ed9fac8..5ed1ad1461c7 100644
> --- a/tools/lib/traceevent/event-parse.c
> +++ b/tools/lib/traceevent/event-parse.c
> @@ -6237,6 +6237,8 @@ static void free_format_fields(struct format_field *field)
> free(field->type);
> free(field->name);
> free(field);
> + if (field->destroy_priv)
> + field->destroy_priv(field);
> field = next;
> }
> }
> diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
> index 7a3873ff9a4f..928d801444ab 100644
> --- a/tools/lib/traceevent/event-parse.h
> +++ b/tools/lib/traceevent/event-parse.h
> @@ -190,6 +190,8 @@ struct format_field {
> unsigned int arraylen;
> unsigned int elementsize;
> unsigned long flags;
> + void *priv;
> + void (*destroy_priv)(struct format_field *);
> };
>
> struct format {
> --
> 1.9.3
>
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