On 06/30/2014 05:09 AM, Frank D'Arcy wrote: > > Hi Jens, > thanks for getting back to me. > I've rebuilt with the latest but I still see problems with the numbers. > > I do see one improvement, > the "% done" printed while the test is in progress now increases nicely > from 0% to 100% > whereas before it would jump around to seemingly random values between > 0% to 100% > > I wonder is it picking the wrong set of numbers to print in some cases. > eg. from a test with 2 jobs that runs for 23 seconds I faound the > following in normal output ... > > when run standalone on a 32-bit VM I see this for a "rw=randread" job >> read : io=47106B, bw=2047B/s, iops=1023, runt= 23001msec > whereas when the same test is run from 64-bit client to 32-bit server I > see this for the same job >> trim: io=98789GB, bw=1000/s, iops=0, runt=98784247808000msec > so it says "trim" where it should say "read" > > and for the 2nd job which is "rw=write" > when run standalone on a 32-bit VM I see this >> write: io=34502B, bw=1500B/s, iops=750, runt= 23001msec > whereas when the same test is run from 64-bit client to 32-bit server I > see this for the same job >> read : io=148185GB, bw=1500/s, iops=750, runt=98788542775296msec > so it says "read" where it should say "write" > > In the same test run, the following results are identical when run both > ways ... >> >> Run status group 0 (all jobs): >> READ: io=46KB, aggrb=1KB/s, minb=1KB/s, maxb=1KB/s, mint=23001msec, >> maxt=23001msec >> WRITE: io=33KB, aggrb=1KB/s, minb=1KB/s, maxb=1KB/s, mint=23001msec, >> maxt=23001msec > so these results look correct. > > All the above problems are only seen when run from 64-bit client to > 32-bit server, > no problems seen when running standalone, > and no problems seen when running 64-bit client to 64-bit server. Try updating again. Not sure I caught all of them, so would be nice to know how it works now. -- 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