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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/tools/perf/util/symbol_fprintf.c
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@@ -3,6 +3,8 @@
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 #include <inttypes.h>
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 #include <stdio.h>
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+#include "dso.h"
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+#include "map.h"
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 #include "symbol.h"
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 size_t symbol__fprintf(struct symbol *sym, FILE *fp)
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@@ -64,7 +66,7 @@
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 	struct rb_node *nd;
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 	struct symbol_name_rb_node *pos;
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-	for (nd = rb_first(&dso->symbol_names); nd; nd = rb_next(nd)) {
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+	for (nd = rb_first_cached(&dso->symbol_names); nd; nd = rb_next(nd)) {
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 		pos = rb_entry(nd, struct symbol_name_rb_node, rb_node);
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 		ret += fprintf(fp, "%s\n", pos->sym.name);
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 	}