perf tools: Add member to struct dso for an instruction cache

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>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1428594864-29309-16-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2 files changed, 5 insertions, 0 deletions

diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index fc0ddd5792a9..13d9ae0bd15c 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 "auxtrace.h"
 #include "util.h"
 #include "debug.h"
 
@@ -961,6 +962,7 @@ void dso__delete(struct dso *dso)
         }
 
         dso__data_close(dso);
+        auxtrace_cache__free(dso->auxtrace_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 e0901b4ed8de..3d79c749934c 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -126,6 +126,8 @@ struct dsos {
         struct rb_root   root;  /* rbtree root sorted by long name */
 };
 
+struct auxtrace_cache;
+
 struct dso {
         struct list_head node;
         struct rb_node   rb_node;       /* rbtree node sorted by long name */
@@ -156,6 +158,7 @@ struct dso {
         u16              long_name_len;
         u16              short_name_len;
         void            *dwfl;                  /* DWARF debug info */
+        struct auxtrace_cache *auxtrace_cache;
 
         /* dso data file */
         struct {