dtrace: proc:::exit should trigger only if thread group exits

Orabug: 25904298

Signed-off-by: Tomas Jedlicka <tomas.jedlicka@oracle.com>
Acked-by: Nick Alcock <nick.alcock@oracle.com>
Reviewed-by: Alan Maguire <alan.maguire@oracle.com>

diff --git a/kernel/exit.c b/kernel/exit.c
index 17b27c1e057731abf164bc8b7466c33045bae589..c4b6ceb14b62f8e6ae938c410c87cb8659308679 100644 (file)
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -733,7 +733,8 @@ void do_exit(long code)
        taskstats_exit(tsk, group_dead);
 
        DTRACE_PROC(lwp__exit);
-       DTRACE_PROC(exit, int, code & 0x80 ? 3 : code & 0x7f ? 2 : 1);
+       if (group_dead)
+               DTRACE_PROC(exit, int, code & 0x80 ? 3 : code & 0x7f ? 2 : 1);
 
 #ifdef CONFIG_DTRACE
        dtrace_task_cleanup(tsk);