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authorSteven Rostedt (VMware) <rostedt@goodmis.org>2019-09-19 16:51:19 -0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-09-25 09:51:42 -0300
commit5c8da72dc21eff32deb00638e547e2c247ebbfb0 (patch)
treef7e93ef9eb171a6a0b5606443e1acb584735cfe1 /tools/lib
parent8788d36950dae26074dc63b46eab3debb4b210b4 (diff)
libtraceevent: Round up in tep_print_event() time precision
When testing the output of the old trace-cmd compared to the one that uses the updated tep_print_event() logic, it was different in that the time stamp precision in the old format would round up to the nearest precision, where as the new logic truncates. Bring back the old method of rounding up. Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Tzvetomir Stoyanov <tstoyanov@vmware.com> Cc: linux trace devel <linux-trace-devel@vger.kernel.org> Link: http://lore.kernel.org/lkml/20190919165119.5efa5de6@gandalf.local.home Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib')
-rw-r--r--tools/lib/traceevent/event-parse.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 6f842af4550b..d948475585ce 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -5527,8 +5527,10 @@ static void print_event_time(struct tep_handle *tep, struct trace_seq *s,
if (divstr && isdigit(*(divstr + 1)))
div = atoi(divstr + 1);
time = record->ts;
- if (div)
+ if (div) {
+ time += div / 2;
time /= div;
+ }
pr = prec;
while (pr--)
p10 *= 10;