1 files changed, 12 insertions, 0 deletions

diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
index e060386165c5..4d45c0dfe343 100644
--- a/tools/perf/util/unwind-libunwind.c
+++ b/tools/perf/util/unwind-libunwind.c
@@ -539,11 +539,23 @@ int unwind__prepare_access(struct thread *thread)
                 return -ENOMEM;
         }
 
+        unw_set_caching_policy(addr_space, UNW_CACHE_GLOBAL);
         thread__set_priv(thread, addr_space);
 
         return 0;
 }
 
+void unwind__flush_access(struct thread *thread)
+{
+        unw_addr_space_t addr_space;
+
+        if (callchain_param.record_mode != CALLCHAIN_DWARF)
+                return;
+
+        addr_space = thread__priv(thread);
+        unw_flush_cache(addr_space, 0, 0);
+}
+
 void unwind__finish_access(struct thread *thread)
 {
         unw_addr_space_t addr_space;