Disable libunwind caching

builtin-report.c

@@ -54,6 +54,8 @@
 #include <unistd.h>
 #include <linux/mman.h>
 
+#include <libunwind.h>
+
 struct report {
 	struct perf_tool	tool;
 	struct perf_session	*session;
@@ -1398,6 +1400,8 @@ repeat:
 	} else
 		ret = 0;
 
+    chrono_report_disp();
+
 error:
 	zfree(&report.ptime_range);
 

util/unwind-libunwind-local.c

@@ -639,7 +639,7 @@ static int _unwind__prepare_access(struct thread *thread)
 		return -ENOMEM;
 	}
 
-	unw_set_caching_policy(thread->addr_space, UNW_CACHE_GLOBAL);
+	unw_set_caching_policy(thread->addr_space, UNW_CACHE_NONE);
 	return 0;
 }