update probe

[lttv.git] / tests / kernel / test-mark.c

diff --git a/tests/kernel/test-mark.c b/tests/kernel/test-mark.c
index a2ce7e12a1e81f4ceeac1a814abb9353bba171a1..72874fa4827c5a760004c0609697737ee3ae220d 100644 (file)
--- a/tests/kernel/test-mark.c
+++ b/tests/kernel/test-mark.c
@@ -7,15 +7,21 @@
 #include <linux/proc_fs.h>
 #include <linux/sched.h>
 
-int x=7;
+volatile int x=7;
 
 struct proc_dir_entry *pentry = NULL;
 
 static int my_open(struct inode *inode, struct file *file)
 {
-       MARK(subsys_mark1, "%d", 1);
+       unsigned int i;
+
+       for(i=0; i<2; i++) {
+               MARK(subsys_mark1, "%d", 1);
+               x=i;
+               barrier();
+       }
        MARK(subsys_mark2, "%d %s", 2, "blah2");
-       MARK(subsys_mark3, "%d %s", x, "blah3");
+       MARK(subsys_mark3, "%d %s %s", x, "blah3", "blah5");
 
        return -EPERM;
 }