filter out records with duplicate timestamps

[fio.git] / fio.1

diff --git a/fio.1 b/fio.1
index 73a0422965d9c34a21868c6b475b67e05e1b9bcc..4071947f24f303edb8739f2b8b048ea9a6ee84d7 100644 (file)
--- a/fio.1
+++ b/fio.1
@@ -1673,6 +1673,20 @@ done other than creating the file.
 Read and write using mmap I/O to a file on a filesystem
 mounted with DAX on a persistent memory device through the PMDK
 libpmem library.
+.TP
+.B ime_psync
+Synchronous read and write using DDN's Infinite Memory Engine (IME). This
+engine is very basic and issues calls to IME whenever an IO is queued.
+.TP
+.B ime_psyncv
+Synchronous read and write using DDN's Infinite Memory Engine (IME). This
+engine uses iovecs and will try to stack as much IOs as possible (if the IOs
+are "contiguous" and the IO depth is not exceeded) before issuing a call to IME.
+.TP
+.B ime_aio
+Asynchronous read and write using DDN's Infinite Memory Engine (IME). This
+engine will try to stack as much IOs as possible by creating requests for IME.
+FIO will then decide when to commit these requests.
 .SS "I/O engine specific parameters"
 In addition, there are some parameters which are only valid when a specific
 \fBioengine\fR is in use. These are used identically to normal parameters,
@@ -2113,6 +2127,10 @@ to replay a workload captured by blktrace. See
 \fBblktrace\fR\|(8) for how to capture such logging data. For blktrace
 replay, the file needs to be turned into a blkparse binary data file first
 (`blkparse <device> \-o /dev/null \-d file_for_fio.bin').
+You can specify a number of files by separating the names with a ':' character.
+See the \fBfilename\fR option for information on how to escape ':' and '\'
+characters within the file names. These files will be sequentially assigned to
+job clones created by \fBnumjobs\fR.
 .TP
 .BI read_iolog_chunked \fR=\fPbool
 Determines how iolog is read. If false (default) entire \fBread_iolog\fR will