[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v1 10/10] linux-user: add gcov support to preexit_cl
From: |
Alex Bennée |
Subject: |
[Qemu-devel] [PATCH v1 10/10] linux-user: add gcov support to preexit_cleanup |
Date: |
Mon, 25 Jun 2018 12:19:35 +0100 |
As we don't always take the normal exit path when running a guest we
can skip the normal exit destructors where gcov normally dumps it's
info. The GCC manual suggests long running programs use __gcov_dump()
to flush out the coverage state periodically so we use that here.
Signed-off-by: Alex Bennée <address@hidden>
---
linux-user/exit.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/linux-user/exit.c b/linux-user/exit.c
index aed8713fae..14e94e28fa 100644
--- a/linux-user/exit.c
+++ b/linux-user/exit.c
@@ -19,10 +19,17 @@
#include "qemu/osdep.h"
#include "qemu.h"
+#ifdef CONFIG_GCOV
+extern void __gcov_dump(void);
+#endif
+
void preexit_cleanup(CPUArchState *env, int code)
{
#ifdef TARGET_GPROF
_mcleanup();
+#endif
+#ifdef CONFIG_GCOV
+ __gcov_dump();
#endif
gdb_exit(env, code);
}
--
2.17.1
- Re: [Qemu-devel] [PATCH v1 02/10] travis: test out-of-tree builds, (continued)
- [Qemu-devel] [PATCH v1 06/10] travis: add gcovr summary for GCOV build, Alex Bennée, 2018/06/25
- [Qemu-devel] [PATCH v1 05/10] docker: add gcovr to travis image, Alex Bennée, 2018/06/25
- [Qemu-devel] [PATCH v1 08/10] build-system: add coverage-report target, Alex Bennée, 2018/06/25
- [Qemu-devel] [PATCH v1 07/10] build-system: add clean-coverage target, Alex Bennée, 2018/06/25
- [Qemu-devel] [PATCH v1 10/10] linux-user: add gcov support to preexit_cleanup,
Alex Bennée <=
- [Qemu-devel] [PATCH v1 09/10] linux-user: introduce preexit_cleanup, Alex Bennée, 2018/06/25