1 files changed, 10 insertions, 0 deletions

diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 5e47c87b9266..796e2291ebd7 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -8,9 +8,17 @@
 #include <linux/rbtree.h>
 #include "../../../include/linux/perf_event.h"
 
+struct sample_queue;
 struct ip_callchain;
 struct thread;
 
+struct ordered_samples {
+        u64                     last_flush;
+        u64                     flush_limit;
+        struct list_head        samples_head;
+        struct sample_queue     *last_inserted;
+};
+
 struct perf_session {
         struct perf_header      header;
         unsigned long           size;
@@ -28,6 +36,7 @@ struct perf_session {
         bool                    fd_pipe;
         int                     cwdlen;
         char                    *cwd;
+        struct ordered_samples  ordered_samples;
         char filename[0];
 };
 
@@ -47,6 +56,7 @@ struct perf_event_ops {
                  event_type,
                  tracing_data,
                  build_id;
+        bool    ordered_samples;
 };
 
 struct perf_session *perf_session__new(const char *filename, int mode, bool force);