[PATCH 18/25] perf tools: Add member to struct dso for an instruction cache

[Adrian Hunter <adrian.hunter@intel.com>]

Add a member to struct dso that can be used by Instruction
Trace implementations to hold a cache for decoded instructions.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
 tools/perf/util/dso.c | 2 ++
 tools/perf/util/dso.h | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 45be944..73e28ca 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -4,6 +4,7 @@
 #include "symbol.h"
 #include "dso.h"
 #include "machine.h"
+#include "itrace.h"
 #include "util.h"
 #include "debug.h"
 
@@ -914,6 +915,7 @@ void dso__delete(struct dso *dso)
 	}
 
 	dso__data_close(dso);
+	itrace_cache__free(dso->itrace_cache);
 	dso_cache__free(&dso->data.cache);
 	dso__free_a2l(dso);
 	zfree(&dso->symsrc_filename);
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index 3782c82..c27c8fc 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -101,6 +101,8 @@ struct dsos {
 	struct rb_root	 root;	/* rbtree root sorted by long name */
 };
 
+struct itrace_cache;
+
 struct dso {
 	struct list_head node;
 	struct rb_node	 rb_node;	/* rbtree node sorted by long name */
@@ -130,6 +132,7 @@ struct dso {
 	u16		 long_name_len;
 	u16		 short_name_len;
 	void		*dwfl;			/* DWARF debug info */
+	struct itrace_cache *itrace_cache;
 
 	/* dso data file */
 	struct {
-- 
1.9.1