linux-kernel - [PATCH 1/2] perf report: Use timestamp__scnprintf

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190823210338.12360-1-andi@firstfloor.org>
Date:   Fri, 23 Aug 2019 14:03:37 -0700
From:   Andi Kleen <andi@...stfloor.org>
To:     acme@...nel.org
Cc:     jolsa@...nel.org, linux-kernel@...r.kernel.org,
        Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 1/2] perf report: Use timestamp__scnprintf_nsec for time sort key

From: Andi Kleen <ak@...ux.intel.com>

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

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 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