update

[lttv.git] / markers-test / test-mark-speed.c

diff --git a/markers-test/test-mark-speed.c b/markers-test/test-mark-speed.c
index 00ca62c177877a9de8fb5f42cf7c5336a769be51..61fbe0299888817565c9af045acd8aebac7bd8f1 100644 (file)
--- a/markers-test/test-mark-speed.c
+++ b/markers-test/test-mark-speed.c
@@ -79,6 +79,9 @@ static int my_open(struct inode *inode, struct file *file)
        unsigned long flags;
 
        local_irq_save(flags);
+#ifdef CACHEFLUSH
+       wbinvd();       /* initial write back, without cycle count */
+#endif
        rdtsc_barrier();
        cycles1 = get_cycles();
        rdtsc_barrier();