[tip: perf/core] perf report: Use timestamp__scnprintf_nsec() for time sort key

[tip-bot2 for Andi Kleen]

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     092804ae092fc6097348f5c09b62cde040717aa1
Gitweb:        https://git.kernel.org/tip/092804ae092fc6097348f5c09b62cde040717aa1
Author:        Andi Kleen <ak@xxxxxxxxxxxxxxx>
AuthorDate:    Fri, 23 Aug 2019 14:03:37 -07:00
Committer:     Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitterDate: Mon, 26 Aug 2019 11:58:29 -03:00

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@xxxxxxxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/20190823210338.12360-1-andi@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 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 c522bdd..83eb3fa 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));