perf report: Use timestamp__scnprintf_nsec() for time sort key

Use timestamp__scnprintf_nsec() to print nanoseconds for the time sort
key, instead of open coding.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20190823210338.12360-1-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 2 insertions, 8 deletions

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index c522bdde3f71..83eb3fa6f941 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -670,17 +670,11 @@ 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));