Re: Fio 2.1.14 released

[Jens Axboe <axboe@kernel.dk>]

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@kernel.dk> 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
>>
>> --
>> To unsubscribe from this list: send the line "unsubscribe fio" in
>> the body of a message to majordomo@vger.kernel.org
>> More majordomo info at  http://vger.kernel.org/majordomo-info.html


-- 
Jens Axboe