syslet engine: submission latency numbers

[fio.git] / init.c

diff --git a/init.c b/init.c
index 5588c852b9c828cc49b31c4ae4a43758efadd3dc..636e95766fb3555416da03e9a09335596729bd35 100644 (file)
--- a/init.c
+++ b/init.c
@@ -85,11 +85,24 @@ static struct fio_option options[] = {
                .help   = "IO engine to use",
                .def    = "sync",
                .posval = {
-                         { .ival = "sync", }, { .ival = "libaio", },
-                         { .ival = "posixaio", }, { .ival = "mmap", },
-                         { .ival = "splice", }, { .ival = "sg", },
+                         { .ival = "sync", },
+#ifdef FIO_HAVE_LIBAIO
+                         { .ival = "libaio", },
+#endif
+#ifdef FIO_HAVE_POSIXAIO
+                         { .ival = "posixaio", },
+#endif
+                         { .ival = "mmap", },
+#ifdef FIO_HAVE_SPLICE
+                         { .ival = "splice", },
+#endif
+#ifdef FIO_HAVE_SGIO
+                         { .ival = "sg", },
+#endif
                          { .ival = "null", }, { .ival = "net", },
+#ifdef FIO_HAVE_SYSLET
                          { .ival = "syslet-rw", },
+#endif
                          },
        },
        {
@@ -99,6 +112,12 @@ static struct fio_option options[] = {
                .help   = "Amount of IO buffers to keep in flight",
                .def    = "1",
        },
+       {
+               .name   = "iodepth_batch",
+               .type   = FIO_OPT_INT,
+               .off1   = td_var_offset(iodepth_batch),
+               .help   = "Number of IO to submit in one go",
+       },
        {
                .name   = "iodepth_low",
                .type   = FIO_OPT_INT,
@@ -691,6 +710,12 @@ static void fixup_options(struct thread_data *td)
         */
        if (td->iodepth_low > td->iodepth || !td->iodepth_low)
                td->iodepth_low = td->iodepth;
+
+       /*
+        * If batch number isn't set, default to the same as iodepth
+        */
+       if (td->iodepth_batch > td->iodepth || !td->iodepth_batch)
+               td->iodepth_batch = td->iodepth;
 }
 
 /*