backend: fix potential division-by-zero

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 0f9c0fc28bd4dfff82c07d35411203e47ed379aa..f74360dee4becc4298bf7e7b8685a284550e552d 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -435,6 +435,12 @@ filesize=int       Individual file sizes. May be a range, in which case fio
                and limited to 'size' in total (if that is given). If not
                given, each created file is the same size.
 
+file_append=bool       Perform IO after the end of the file. Normally fio will
+               operate within the size of a file. If this option is set, then
+               fio will append to the file instead. This has identical
+               behavior to setting offset to the size of a file. This option
+               is ignored on non-regular files.
+
 fill_device=bool
 fill_fs=bool   Sets size to something really large and waits for ENOSPC (no
                space left on device) as the terminating condition. Only makes
@@ -1499,6 +1505,8 @@ that defines them is selected.
 [cpu] cpuchunks=int Split the load into cycles of the given time. In
                microseconds.
 
+[cpu] exit_on_io_done=bool Detect when IO threads are done, then exit.
+
 [netsplice] hostname=str
 [net] hostname=str The host name or IP address to use for TCP or UDP based IO.
                If the job is a TCP listener or UDP reader, the hostname is not
@@ -1584,6 +1592,7 @@ I         Thread initialized, waiting or generating necessary data.
        M       Running, doing mixed sequential reads/writes.
        m       Running, doing mixed random reads/writes.
        F       Running, currently waiting for fsync()
+       f       Running, finishing up (writing IO logs, etc)
        V       Running, doing verification of written data.
 E              Thread exited, not reaped by main thread yet.
 _              Thread reaped, or