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-rw-r--r--arch/powerpc/perf/core-book3s.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index 64483fde95c6..c2e27ede07ec 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -1084,6 +1084,10 @@ static int power_pmu_event_init(struct perf_event *event)
if (!ppmu)
return -ENOENT;
+ /* does not support taken branch sampling */
+ if (has_branch_stack(event))
+ return -EOPNOTSUPP;
+
switch (event->attr.type) {
case PERF_TYPE_HARDWARE:
ev = event->attr.config;
@@ -1193,6 +1197,11 @@ static int power_pmu_event_init(struct perf_event *event)
return err;
}
+static int power_pmu_event_idx(struct perf_event *event)
+{
+ return event->hw.idx;
+}
+
struct pmu power_pmu = {
.pmu_enable = power_pmu_enable,
.pmu_disable = power_pmu_disable,
@@ -1205,6 +1214,7 @@ struct pmu power_pmu = {
.start_txn = power_pmu_start_txn,
.cancel_txn = power_pmu_cancel_txn,
.commit_txn = power_pmu_commit_txn,
+ .event_idx = power_pmu_event_idx,
};
/*