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-rw-r--r--tools/perf/util/sort.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index cb6151c..925f083 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -49,9 +49,13 @@ struct hist_entry {
struct symbol *sym;
u64 ip;
char level;
- struct symbol *parent;
+ struct symbol *parent;
struct callchain_node callchain;
- struct rb_root sorted_chain;
+ union {
+ unsigned long position;
+ struct hist_entry *pair;
+ struct rb_root sorted_chain;
+ };
};
enum sort_type {