Re: [PATCH v2 07/15] tools lib traceevent: Optimize pretty_print() function

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On Fri, Jul 3, 2020 at 3:57 AM Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
>
> From: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@xxxxxxxxx>
>
> Each time the pretty_print() function is called to print an event,
> the event's format string is parsed. As this format string does not
> change, this parsing can be done only once - when the event struct
> is initialized.
>
> Link: https://lore.kernel.org/linux-trace-devel/20200529134929.537110-1-tz.stoyanov@xxxxxxxxx
> Link: http://lore.kernel.org/linux-trace-devel/20200625100516.365338-8-tz.stoyanov@xxxxxxxxx
>
> Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@xxxxxxxxx>
> Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
> ---
>  tools/lib/traceevent/event-parse-local.h |  17 +
>  tools/lib/traceevent/event-parse.c       | 672 ++++++++++++++++-------
>  tools/lib/traceevent/event-parse.h       |   3 +
>  3 files changed, 495 insertions(+), 197 deletions(-)
>
> diff --git a/tools/lib/traceevent/event-parse-local.h b/tools/lib/traceevent/event-parse-local.h
> index 96a0b0ca0675..e71296a62236 100644
> --- a/tools/lib/traceevent/event-parse-local.h
> +++ b/tools/lib/traceevent/event-parse-local.h
> @@ -85,6 +85,23 @@ struct tep_handle {
>         struct tep_plugins_dir *plugins_dir;
>  };
>
> +enum tep_print_parse_type {
> +       PRINT_FMT_STING,

STRING ?

> +       PRINT_FMT_ARG_DIGIT,
> +       PRINT_FMT_ARG_POINTER,
> +       PRINT_FMT_ARG_STRING,
> +};



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