return event->attr.branch_sample_type & PERF_SAMPLE_BRANCH_PRIV_SAVE;
}
+static inline bool branch_sample_counters(const struct perf_event *event)
+{
+ return event->attr.branch_sample_type & PERF_SAMPLE_BRANCH_COUNTERS;
+}
+
+static inline bool branch_sample_call_stack(const struct perf_event *event)
+{
+ return event->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
+}
struct perf_sample_data {
/*
struct perf_callchain_entry *callchain;
struct perf_raw_record *raw;
struct perf_branch_stack *br_stack;
+ u64 *br_stack_cntr;
union perf_sample_weight weight;
union perf_mem_data_src data_src;
u64 txn;
static inline void perf_sample_save_brstack(struct perf_sample_data *data,
struct perf_event *event,
- struct perf_branch_stack *brs)
+ struct perf_branch_stack *brs,
+ u64 *brs_cntr)
{
int size = sizeof(u64); /* nr */
size += sizeof(u64);
size += brs->nr * sizeof(struct perf_branch_entry);
+ /*
+ * The extension space for counters is appended after the
+ * struct perf_branch_stack. It is used to store the occurrences
+ * of events of each branch.
+ */
+ if (brs_cntr)
+ size += brs->nr * sizeof(u64);
+
data->br_stack = brs;
+ data->br_stack_cntr = brs_cntr;
data->dyn_size += size;
data->sample_flags |= PERF_SAMPLE_BRANCH_STACK;
}