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-rw-r--r--tools/perf/builtin-record.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 378b85b..4869050 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -238,6 +238,7 @@ static struct perf_event_header finished_round_event = {
static int record__mmap_read_all(struct record *rec)
{
+ u64 bytes_written = rec->bytes_written;
int i;
int rc = 0;
@@ -250,7 +251,11 @@ static int record__mmap_read_all(struct record *rec)
}
}
- if (perf_header__has_feat(&rec->session->header, HEADER_TRACING_DATA))
+ /*
+ * Mark the round finished in case we wrote
+ * at least one event.
+ */
+ if (bytes_written != rec->bytes_written)
rc = record__write(rec, &finished_round_event, sizeof(finished_round_event));
out:
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