random_rw: (g=0): rw=randrw, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=32 fio-2.0.8-9-gfb9f0 Starting 1 process random_rw: (groupid=0, jobs=1): err= 0: pid=2179: Thu Jul 26 17:14:57 2012 read : io=870664KB, bw=822157KB/s, iops=205539 , runt= 1059msec slat (usec): min=0 , max=14 , avg= 0.38, stdev= 0.52 clat (usec): min=44 , max=294 , avg=76.67, stdev=12.77 lat (usec): min=45 , max=296 , avg=77.10, stdev=12.84 clat percentiles (usec): | 1.00th=[ 70], 5.00th=[ 71], 10.00th=[ 72], 20.00th=[ 73], | 30.00th=[ 74], 40.00th=[ 74], 50.00th=[ 75], 60.00th=[ 76], | 70.00th=[ 76], 80.00th=[ 77], 90.00th=[ 79], 95.00th=[ 86], | 99.00th=[ 97], 99.50th=[ 107], 99.90th=[ 255], 99.95th=[ 266], | 99.99th=[ 286] bw (KB/s) : min=819368, max=826656, per=100.00%, avg=823012.00, stdev=5153.39 write: io=870136KB, bw=821658KB/s, iops=205414 , runt= 1059msec slat (usec): min=0 , max=24 , avg= 0.40, stdev= 0.53 clat (usec): min=42 , max=292 , avg=77.34, stdev=12.81 lat (usec): min=43 , max=293 , avg=77.79, stdev=12.89 clat percentiles (usec): | 1.00th=[ 70], 5.00th=[ 72], 10.00th=[ 73], 20.00th=[ 74], | 30.00th=[ 74], 40.00th=[ 75], 50.00th=[ 76], 60.00th=[ 76], | 70.00th=[ 77], 80.00th=[ 78], 90.00th=[ 80], 95.00th=[ 87], | 99.00th=[ 98], 99.50th=[ 107], 99.90th=[ 262], 99.95th=[ 270], | 99.99th=[ 286] bw (KB/s) : min=819368, max=825328, per=100.00%, avg=822348.00, stdev=4214.36 lat (usec) : 50=0.01%, 100=99.35%, 250=0.41%, 500=0.24% cpu : usr=24.76%, sys=74.76%, ctx=114, majf=0, minf=24 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=100.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.1%, 64=0.0%, >=64=0.0% issued : total=r=217666/w=217534/d=0, short=r=0/w=0/d=0 Run status group 0 (all jobs): READ: io=870664KB, aggrb=822156KB/s, minb=822156KB/s, maxb=822156KB/s, mint=1059msec, maxt=1059msec WRITE: io=870136KB, aggrb=821658KB/s, minb=821658KB/s, maxb=821658KB/s, mint=1059msec, maxt=1059msec Disk stats (read/write): ram0: ios=0/0, merge=0/0, ticks=0/0, in_queue=0, util=0.00% fio rand-rw-rd-raw.fio --output=/home/radical/src/play/ios-test/logs-with-drop-cache/ad6d29a/raw-rd-raw-ad6d29a.log --max-jobs=2 --latency-log --bandwidth-log ad6d29a sent upstream