Re: [PATCH 1/2] perf report: Use timestamp__scnprintf_nsec for time sort key
From: Arnaldo Carvalho de Melo
Date: Sun Aug 25 2019 - 10:31:20 EST
Em Fri, Aug 23, 2019 at 02:03:37PM -0700, Andi Kleen escreveu:
> From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
>
> Use timestamp__scnprintf_nsec to print nanoseconds for the time
> sort key, instead of open coding.
Thanks, tested and applied.
- Arnaldo
> Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> ---
> tools/perf/util/sort.c | 10 ++--------
> 1 file changed, 2 insertions(+), 8 deletions(-)
>
> diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
> index f9a38a1dd4d1..0985e9072db0 100644
> --- a/tools/perf/util/sort.c
> +++ b/tools/perf/util/sort.c
> @@ -668,17 +668,11 @@ sort__time_cmp(struct hist_entry *left, struct hist_entry *right)
> static int hist_entry__time_snprintf(struct hist_entry *he, char *bf,
> size_t size, unsigned int width)
> {
> - unsigned long secs;
> - unsigned long long nsecs;
> char he_time[32];
>
> - nsecs = he->time;
> - secs = nsecs / NSEC_PER_SEC;
> - nsecs -= secs * NSEC_PER_SEC;
> -
> if (symbol_conf.nanosecs)
> - snprintf(he_time, sizeof he_time, "%5lu.%09llu: ",
> - secs, nsecs);
> + timestamp__scnprintf_nsec(he->time, he_time,
> + sizeof(he_time));
> else
> timestamp__scnprintf_usec(he->time, he_time,
> sizeof(he_time));
> --
> 2.20.1
--
- Arnaldo