commit 64bbb86598ada3fa401c61aab5ef6c37bec6d6f3
author David Nellans <dnellans@fusionio.com> Tue Aug 24 22:13:30 2010 +0200
committer Jens Axboe <jaxboe@fusionio.com> Tue Aug 24 22:13:30 2010 +0200
tree d9d44c71ecaa5091064e1659757b13d9d786379e
parent 49ffb4a2e1ac3026d77d9e1c03edc2753fcec41b

Add option to skip delays when replaying traces

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

blktrace.c

diff --git a/blktrace.c b/blktrace.c
index 68ba964..6cf8d46 100644
--- a/blktrace.c
+++ b/blktrace.c
@@ -341,8 +341,16 @@
 				delay = t.time - ttime;
 			if ((t.action & BLK_TC_ACT(BLK_TC_WRITE)) && read_only)
 				skipped_writes++;
-			else
+			else {
+				/*
+				 * set delay to zero if no_stall enabled for
+				 * fast replay
+				 */
+				if (td->o.no_stall)
+					delay = 0;
+
 				handle_trace(td, &t, delay, ios, rw_bs);
+			}
 
 			ttime = t.time;
 			cpu = t.cpu;