On Sat, May 18 2013, Edoardo Comar wrote: > I have a problem with fio built today from GIT > running the jobfile below, the aggregate bandwidth for 'read' output by > the latest fio is excessive > while it seems reasonable with an older fio version. > > fio-2.0.13 READ: io=51500KB, aggrb=857KB/s, > > fio-2.1-6-g4d01 READ: io=31057MB, aggrb=530017KB/s, > > > You should easily reproduce this with the data below. > I have reproduced it on my laptop (RHEL 6.4) as well as on other RHEL > systems. > on my laptop > READ: io=13028KB, aggrb=216KB/s, > or > READ: io=33204MB, aggrb=566519KB/s, > > running the same configuration > > I believe this to be a bug. I wonder if this is a regression from 2.0.15 to 2.1. The gfio stuff got merged in along the way, could definitely be an accounting issue introduced there. I'll take a look. -- 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
