linux-kernel - [PATCH] tools lib traceevent: Remove extra '\n' in print_event

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Date:   Tue, 3 Mar 2020 23:18:52 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Arnaldo Carvalho de Melo <acme@...hat.com>,
        Jiri Olsa <jolsa@...hat.com>
Subject: [PATCH] tools lib traceevent: Remove extra '\n' in
 print_event_time()


From: "Steven Rostedt (VMware)" <rostedt@...dmis.org>

If the precesion of print_event_time() is zero or greater than the
timestamp, it uses a different format. But that format had an extra new line
at the end, and caused the output to not look right:

cpus=2
           sleep-3946  [001]111264306005
: function:             inotify_inode_queue_event
           sleep-3946  [001]111264307158
: function:             __fsnotify_parent
           sleep-3946  [001]111264307637
: function:             inotify_dentry_parent_queue_event
           sleep-3946  [001]111264307989
: function:             fsnotify
           sleep-3946  [001]111264308401
: function:             audit_syscall_exit

Fixes: 38847db9740a ("libtraceevent, perf tools: Changes in tep_print_event_* APIs")
Signed-off-by: Steven Rostedt (VMware) <rostedt@...dmis.org>
---
 tools/lib/traceevent/event-parse.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index beaa8b8c08ff..e1bd2a93c6db 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -5541,7 +5541,7 @@ static void print_event_time(struct tep_handle *tep, struct trace_seq *s,
 	if (p10 > 1 && p10 < time)
 		trace_seq_printf(s, "%5llu.%0*llu", time / p10, prec, time % p10);
 	else
-		trace_seq_printf(s, "%12llu\n", time);
+		trace_seq_printf(s, "%12llu", time);
 }
 
 struct print_event_type {
-- 
2.20.1