On 2012-10-10 11:34, Keith Locke wrote: > Hi, > > First, I want to says that the fio utility is a fantastic tools. > Second, I hope this is an appropriate method of contacting you, if not > please advise. Thanks! This is the preferred method, emailing me and the list at the same time. Gives others a chance to pitch in as well. > I have a couple of test requirements that I would appreciate guidance > on how to perform with fio. > > > > 1. 80/20 mix of random/sequential IO There's really no easy way to do that currently, though it would be pretty easy to add. Right now the only thing you could do in that area is to set a random IO type with a sequential modifier. See the man page or HOWTO for the postfix options for randread etc. > 2. 80% Random, 10% '00', & 10% 'FF' mixture of data patterns Ditto here, fio doesn't give you that granular control of buffer contents. Again, would be easy to add though... The closest right now would be to use the compression options, see buffer_compress_* in the man page / HOWTO. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
