Add 'replay_time_scale' option

[fio.git] / blktrace.c

diff --git a/blktrace.c b/blktrace.c
index 6e4d0a4c9620bdabb9000ff45e6bff60e67a2c5f..71ac412ba5e0c3f451967f61dd5405246b957f21 100644 (file)
--- a/blktrace.c
+++ b/blktrace.c
@@ -333,13 +333,19 @@ static void handle_trace(struct thread_data *td, struct blk_io_trace *t,
                return;
 
        if (!(t->action & BLK_TC_ACT(BLK_TC_NOTIFY))) {
-               if (!last_ttime || td->o.no_stall) {
-                       last_ttime = t->time;
+               if (!last_ttime || td->o.no_stall)
                        delay = 0;
-               } else {
+               else if (td->o.replay_time_scale == 100)
                        delay = t->time - last_ttime;
-                       last_ttime = t->time;
+               else {
+                       double tmp = t->time - last_ttime;
+                       double scale;
+
+                       scale = (double) 100.0 / (double) td->o.replay_time_scale;
+                       tmp *= scale;
+                       delay = tmp;
                }
+               last_ttime = t->time;
        }
 
        t_bytes_align(&td->o, t);