iolog: regrow logs in iolog_delay()

[fio.git] / time.c

diff --git a/time.c b/time.c
index 7cbab6ff4f9ea1d029e7d9d2c0253278061ffe60..7f85c8de3bcbd2cb40eabe9c5f5c465551539b3a 100644 (file)
--- a/time.c
+++ b/time.c
@@ -38,6 +38,17 @@ uint64_t usec_spin(unsigned int usec)
        return t;
 }
 
+/*
+ * busy loop for a fixed amount of cycles
+ */
+void cycles_spin(unsigned int n)
+{
+       unsigned long i;
+
+       for (i=0; i < n; i++)
+               nop;
+}
+
 uint64_t usec_sleep(struct thread_data *td, unsigned long usec)
 {
        struct timespec req;