diff options
| -rw-r--r-- | arch/powerpc/perf/core-book3s.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index 53fc7b8..89bd593 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -1349,6 +1349,8 @@ static void record_and_restart(struct perf_event *event, unsigned long val, */ val = 0; left = local64_read(&event->hw.period_left) - delta; + if (delta == 0) + left++; if (period) { if (left <= 0) { left += period; |