diff options
Diffstat (limited to 'arch/sparc/kernel/perf_event.c')
| -rw-r--r-- | arch/sparc/kernel/perf_event.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index 614da624330c..28559ce5eeb5 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -25,6 +25,8 @@ #include <linux/atomic.h> #include <asm/nmi.h> #include <asm/pcr.h> +#include <asm/perfctr.h> +#include <asm/cacheflush.h> #include "kernel.h" #include "kstack.h" @@ -1105,6 +1107,10 @@ static int sparc_pmu_event_init(struct perf_event *event) if (atomic_read(&nmi_active) < 0) return -ENODEV; + /* does not support taken branch sampling */ + if (has_branch_stack(event)) + return -EOPNOTSUPP; + switch (attr->type) { case PERF_TYPE_HARDWARE: if (attr->config >= sparc_pmu->max_events) |