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-rw-r--r--include/linux/perf_event.h33
1 files changed, 28 insertions, 5 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index a9419608402b..569dfac5887f 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -95,6 +95,11 @@ struct perf_raw_record {
u32 size;
};
+static __always_inline bool perf_raw_frag_last(const struct perf_raw_frag *frag)
+{
+ return frag->pad < sizeof(u64);
+}
+
/*
* branch stack layout:
* nr: number of taken branches stored in entries[]
@@ -1182,6 +1187,29 @@ static inline void perf_sample_save_callchain(struct perf_sample_data *data,
data->sample_flags |= PERF_SAMPLE_CALLCHAIN;
}
+static inline void perf_sample_save_raw_data(struct perf_sample_data *data,
+ struct perf_raw_record *raw)
+{
+ struct perf_raw_frag *frag = &raw->frag;
+ u32 sum = 0;
+ int size;
+
+ do {
+ sum += frag->size;
+ if (perf_raw_frag_last(frag))
+ break;
+ frag = frag->next;
+ } while (1);
+
+ size = round_up(sum + sizeof(u32), sizeof(u64));
+ raw->size = size - sizeof(u32);
+ frag->pad = raw->size - sum;
+
+ data->raw = raw;
+ data->dyn_size += size;
+ data->sample_flags |= PERF_SAMPLE_RAW;
+}
+
/*
* Clear all bitfields in the perf_branch_entry.
* The to and from fields are not cleared because they are
@@ -1690,11 +1718,6 @@ extern void perf_restore_debug_store(void);
static inline void perf_restore_debug_store(void) { }
#endif
-static __always_inline bool perf_raw_frag_last(const struct perf_raw_frag *frag)
-{
- return frag->pad < sizeof(u64);
-}
-
#define perf_output_put(handle, x) perf_output_copy((handle), &(x), sizeof(x))
struct perf_pmu_events_attr {