diff options
| -rw-r--r-- | arch/arc/kernel/perf_event.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c index 759e5f3..e46d81f 100644 --- a/arch/arc/kernel/perf_event.c +++ b/arch/arc/kernel/perf_event.c @@ -99,6 +99,10 @@ static int arc_pmu_event_init(struct perf_event *event) struct hw_perf_event *hwc = &event->hw; int ret; + /* ARC 700 PMU does not support sampling events */ + if (is_sampling_event(event)) + return -ENOENT; + switch (event->attr.type) { case PERF_TYPE_HARDWARE: if (event->attr.config >= PERF_COUNT_HW_MAX) |
