On Thu, Feb 20 2014, ehrhardt@xxxxxxxxxxxxxxxxxx wrote: > *Resend with hopefully non mangled patches* > References: <20140220131958.965092001@xxxxxxxxxxxxxxxxxx> > Content-Disposition: inline; filename=startdelay-range.diff > > From: Christian Ehrhardt <ehrhardt@xxxxxxxxxxxxxxxxxx> > > This patch allows the specification of start delay as range. > With a range each thread will chose an individual startdelay out of the range. > > That solves an issue of startdelay being the same for each numjob clone and > that way spreads all kind of activities e.g. that all clones with mixed r/w > jobs switch r/w at the same time. > Also all kind of other "thundering herd" issues can be softened by some > time spread due to this option. > > Signed-off-by: Christian Ehrhardt <ehrhardt@xxxxxxxxxxxxxxxxxx> You forgot the options part for thread_options.h. -- 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