[NOTFORMERGE PATCH-for-10.1 v6 8/8] linux-user: Dump TCG stats to logfile

[Philippe Mathieu-Daudé]

Running 'qemu-user -D stats.log' will dump TCG statistics
to 'stats.log' before exiting.

Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org>
---
 linux-user/exit.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/linux-user/exit.c b/linux-user/exit.c
index 1ff8fe4f072..17d2ad0517b 100644
--- a/linux-user/exit.c
+++ b/linux-user/exit.c
@@ -21,7 +21,9 @@
 #include "gdbstub/syscalls.h"
 #include "qemu.h"
 #include "user-internals.h"
+#include "qemu/log.h"
 #include "qemu/plugin.h"
+#include "tcg/tcg.h"
 
 #ifdef CONFIG_GCOV
 extern void __gcov_dump(void);
@@ -29,10 +31,14 @@ extern void __gcov_dump(void);
 
 void preexit_cleanup(CPUArchState *env, int code)
 {
+        g_autoptr(GString) buf = g_string_new("");
+
 #ifdef CONFIG_GCOV
         __gcov_dump();
 #endif
         gdb_exit(code);
         qemu_plugin_user_exit();
         perf_exit();
+        tcg_dump_stats(buf);
+        qemu_log("TCG stats: %s", buf->str);
 }
-- 
2.49.0