1 files changed, 24 insertions, 2 deletions

diff --git a/tools/perf/ui/tui/setup.c b/tools/perf/ui/tui/setup.c
index 2f612562978c..3c38f25b1695 100644
--- a/tools/perf/ui/tui/setup.c
+++ b/tools/perf/ui/tui/setup.c
@@ -1,5 +1,8 @@
 #include <signal.h>
 #include <stdbool.h>
+#ifdef HAVE_BACKTRACE_SUPPORT
+#include <execinfo.h>
+#endif
 
 #include "../../util/cache.h"
 #include "../../util/debug.h"
@@ -88,6 +91,25 @@ int ui__getch(int delay_secs)
         return SLkp_getkey();
 }
 
+#ifdef HAVE_BACKTRACE_SUPPORT
+static void ui__signal_backtrace(int sig)
+{
+        void *stackdump[32];
+        size_t size;
+
+        ui__exit(false);
+        psignal(sig, "perf");
+
+        printf("-------- backtrace --------\n");
+        size = backtrace(stackdump, ARRAY_SIZE(stackdump));
+        backtrace_symbols_fd(stackdump, size, STDOUT_FILENO);
+
+        exit(0);
+}
+#else
+# define ui__signal_backtrace  ui__signal
+#endif
+
 static void ui__signal(int sig)
 {
         ui__exit(false);
@@ -122,8 +144,8 @@ int ui__init(void)
         ui_browser__init();
         tui_progress__init();
 
-        signal(SIGSEGV, ui__signal);
-        signal(SIGFPE, ui__signal);
+        signal(SIGSEGV, ui__signal_backtrace);
+        signal(SIGFPE, ui__signal_backtrace);
         signal(SIGINT, ui__signal);
         signal(SIGQUIT, ui__signal);
         signal(SIGTERM, ui__signal);