posixaio: restart suspend list after we have used aio_suspend()

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index c46b883424ba1912f2600d91b51697676a181a01..cf6d4274af39ec2dcbcf5d8d2e4831fb4ec1f395 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -9,6 +9,7 @@ Table of contents
 6. Normal output
 7. Terse output
 8. Trace file format
+9. CPU idleness profiling
 
 1.0 Overview and history
 ------------------------
@@ -301,11 +302,6 @@ lockfile=str       Fio defaults to not locking any files before it does
                                        same time, but writes get exclusive
                                        access.
 
-               The option may be post-fixed with a lock batch number. If
-               set, then each thread/process may do that amount of IOs to
-               the file before giving up the lock. Since lock acquisition is
-               expensive, batching the lock/unlocks will speed up IO.
-
 readwrite=str
 rw=str         Type of io pattern. Accepted values are:
 
@@ -775,7 +771,7 @@ random_generator=str        Fio supports the following engines for generating
                block sizes, not with workloads that use multiple block
                sizes. If used with such a workload, fio may read or write
                some blocks multiple times.
-               
+
 nice=int       Run the job with the given nice value. See man nice(2).
 
 prio=int       Set the io priority value of this job. Linux limits us to
@@ -1402,6 +1398,9 @@ that defines them is selected.
 [netsplice] port=int
 [net] port=int The TCP or UDP port to bind to or connect to.
 
+[netsplice] nodelay=bool
+[net] nodelay=bool     Set TCP_NODELAY on TCP connections.
+
 [netsplice] protocol=str
 [netsplice] proto=str
 [net] protocol=str