yes Jens , fails with just sda alone too On Fri, Dec 4, 2015 at 3:37 PM, Jens Axboe <axboe@xxxxxxxxx> wrote: > On 12/04/2015 02:33 PM, Lakshmi wrote: >> >> Hello all, >> >> I ran blktrace for 14 devices using the command below and there were >> 80 files generated for each device and 1120 files in total. >> >> blktrace -d /dev/sda /dev/sdb /dev/sdl /dev/sdm /dev/sdn /dev/sdo >> /dev/sdq /dev/sdp /dev/sds /dev/sdr /dev/sdt /dev/sdw /dev/sdv >> /dev/sdu -w 900 -a write -a read -b 8192 >> >> I tried running a blkparse on the blktrace binary files as shown below >> and I get bad trace magic 7746165 for pretty much all of the files >> and no parsing happens. >> >> blkparse -i ./*.blktrace.0 -d ./bp.bin -o bp.txt -w 0:900 > > > Why just the .0 trace file? Not sure where the magic error is coming from, > but that part is definitely a bit odd. If you run: > > blkparse -i sda -d ./bp.bin -o bp.txt -w 0:900 > > does it still fail? > > -- > 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
