Re: [PATCH 2/2] tools lib traceevent: Use USECS_PER_SEC instead of hardcoded number

[Arnaldo Carvalho de Melo]

Em Fri, Nov 18, 2016 at 05:54:01PM -0500, Steven Rostedt escreveu:
> From: "Steven Rostedt (Red Hat)" <rostedt@xxxxxxxxxxx>
> 
> Instead of using 1000000, define a USECS_PER_SEC macro and use that instead.

We already have it in tools/include/linux/time64.h :-)

- Arnaldo
 
> Link: http://lkml.kernel.org/r/20160209204237.006667394@xxxxxxxxxxx
> 
> Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
> ---
>  tools/lib/traceevent/event-parse.c | 4 ++--
>  tools/lib/traceevent/event-parse.h | 2 ++
>  2 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
> index d6f3cc0a29b0..2b85b339f6b9 100644
> --- a/tools/lib/traceevent/event-parse.c
> +++ b/tools/lib/traceevent/event-parse.c
> @@ -5465,8 +5465,8 @@ void pevent_print_event_time(struct pevent *pevent, struct trace_seq *s,
>  		} else {
>  			usecs = (nsecs + 500) / NSECS_PER_USEC;
>  			/* To avoid usecs larger than 1 sec */
> -			if (usecs >= 1000000) {
> -				usecs -= 1000000;
> +			if (usecs >= USECS_PER_SEC) {
> +				usecs -= USECS_PER_SEC;
>  				secs++;
>  			}
>  			p = 6;
> diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
> index 41b3d2238ed3..b09dd49465b0 100644
> --- a/tools/lib/traceevent/event-parse.h
> +++ b/tools/lib/traceevent/event-parse.h
> @@ -175,6 +175,8 @@ struct pevent_plugin_option {
>  #define NSECS_PER_SEC		1000000000ULL
>  #define NSECS_PER_USEC		1000ULL
>  
> +#define USECS_PER_SEC		1000000ULL
> +
>  enum format_flags {
>  	FIELD_IS_ARRAY		= 1,
>  	FIELD_IS_POINTER	= 2,
> -- 
> 2.10.2
>