Oops, I misremembered. But hey, double parentheses work too :-)
But Stephen is correct, a single one is all that is required.
BTW, forgot to mention, the shortlog of changes is here:
http://brick.kernel.dk/snaps/fio-2.1.14.shortlog.txt
On 2014-11-11 14:52, Stephen Cameron wrote:
Double parens? If a single pair of parens is no longer sufficient,
that is news to me (git top of tree seems to take a single pair of
surrounding parens ok, and I didn't see a recent commit that looked
like a change to require double parens.)
Eg:
sleekness fio # grep 2k examples/latency-profile.fio
bs=(2k+2k)
sleekness fio # ./fio examples/latency-profile.fio
device: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=128
fio-2.1.14-3-g9e311
Starting 1 process
^Cbs: 1 (f=1)
fio: terminating on signal 2
-- steve
On Tue, Nov 11, 2014 at 3:14 PM, Jens Axboe <axboe@xxxxxxxxx> wrote:
Hi,
I've released version 2.1.14 today. Here's a (rough) list of the changes,
features, additions that were added/done since 2.1.13:
- Fio now supports arithmetic expressions in job files or on the
command line. They have to be enclosed in double parentheses. This
might be relaxed in the future, once it's matured a bit. This means
you can do things like:
bs=((4*1024))
etc. The parser understands the regular +, -, /, *, as well as ^ for
exponentiation, and % for modulus operations. Fio needs development
packages of lex/flex and yacc/bison, it'll detect these at configure
time.
- Some of the test tools are now installed properly when fio is
installed. Generally they are prefixed with fio-, like fio-dedupe or
fio-btrace2fio.
- The net IO engine grew some options to support setting socket buffer
sizes and tcp max segments. It also supports counting dropped packets
for UDP now.
- Various improvements and fixes to the RBD IO engine.
- The client/server functionally has seen some bug fixes and should be
improved in stability.
- Fix for a stat related hang on exit, and for a stat related issue
with periodical dumps through --status-interval.
- Support added for DragonFly BSD.
- The OS provided random functions have been removed. Fio defaulted
to its own default random generator for years now, since it was
easier to provide consistent workloads across operating systems
that way. This means that the 'use_os_rand' option has now been
deprecated.
- Fix a potential crash on fio exit with data verification enabled,
which has existed since version 2.1.11.
- Fio will exit a bit faster now, since the disk util thread and the
helper thread were combined into one, and it'll be immediately torn
down on exit. It had to wait around 250msecs before this change. You
might have noticed this delay when doing ctrl-c on a workload.
- Lots of small bug fixes.
--
Jens Axboe
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