Fixed the logic in tracecmd_read_page_record() when
searching for the next event in the event from the
ring buffer.
Signed-off-by: Tzvetomir Stoyanov <tstoyanov@xxxxxxxxxx>
---
lib/trace-cmd/trace-input.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/lib/trace-cmd/trace-input.c b/lib/trace-cmd/trace-input.c
index de15d4b..c2b993a 100644
--- a/lib/trace-cmd/trace-input.c
+++ b/lib/trace-cmd/trace-input.c
@@ -1688,18 +1688,22 @@ tracecmd_read_page_record(struct tep_handle *pevent, void *page, int size,
goto out_free;
}
- do {
+ ptr = kbuffer_read_event(kbuf, &ts);
+ while (ptr < last_record->data) {
ptr = kbuffer_next_event(kbuf, NULL);
if (!ptr)
break;
- } while (ptr < last_record->data);
+ if (ptr == last_record->data)
+ break;
+ }
if (ptr != last_record->data) {
warning("tracecmd_read_page_record: could not find last_record");
goto out_free;
}
- }
+ ptr = kbuffer_next_event(kbuf, &ts);
+ } else
+ ptr = kbuffer_read_event(kbuf, &ts);
- ptr = kbuffer_read_event(kbuf, &ts);
if (!ptr)
goto out_free;
--
2.20.1
|