X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=HOWTO;h=142b83e5020f9b77303756354c9a3ef8cdbaa682;hp=72ef8725818c91105be33fe44568ed3e55558b59;hb=c7cc1c75b801c5fce5dcf165c9b42e5f101be735;hpb=3d6a6f045d24b281ff94ea71c44a637f6d8f0f9e diff --git a/HOWTO b/HOWTO index 72ef8725..142b83e5 100644 --- a/HOWTO +++ b/HOWTO @@ -1991,6 +1991,8 @@ I/O engine Asynchronous read and write using DDN's Infinite Memory Engine (IME). This engine will try to stack as much IOs as possible by creating requests for IME. FIO will then decide when to commit these requests. + **libiscsi** + Read and write iscsi lun with libiscsi. I/O engine specific parameters ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -2343,7 +2345,7 @@ I/O depth This option only applies to I/Os issued for a single job except when it is enabled along with :option:`io_submit_mode`=offload. In offload mode, fio will check for overlap among all I/Os submitted by offload jobs with :option:`serialize_overlap` - enabled. Threads must be used for all such jobs. + enabled. Default: false. @@ -3691,7 +3693,8 @@ is one long line of values, such as:: 2;card0;0;0;7139336;121836;60004;1;10109;27.932460;116.933948;220;126861;3495.446807;1085.368601;226;126864;3523.635629;1089.012448;24063;99944;50.275485%;59818.274627;5540.657370;7155060;122104;60004;1;8338;29.086342;117.839068;388;128077;5032.488518;1234.785715;391;128085;5061.839412;1236.909129;23436;100928;50.287926%;59964.832030;5644.844189;14.595833%;19.394167%;123706;0;7313;0.1%;0.1%;0.1%;0.1%;0.1%;0.1%;100.0%;0.00%;0.00%;0.00%;0.00%;0.00%;0.00%;0.01%;0.02%;0.05%;0.16%;6.04%;40.40%;52.68%;0.64%;0.01%;0.00%;0.01%;0.00%;0.00%;0.00%;0.00%;0.00% A description of this job goes here. -The job description (if provided) follows on a second line. +The job description (if provided) follows on a second line for terse v2. +It appears on the same line for other terse versions. To enable terse output, use the :option:`--minimal` or :option:`--output-format`\=terse command line options. The @@ -3776,6 +3779,11 @@ minimal output v3, separated by semicolons:: terse_version_3;fio_version;jobname;groupid;error;read_kb;read_bandwidth;read_iops;read_runtime_ms;read_slat_min;read_slat_max;read_slat_mean;read_slat_dev;read_clat_min;read_clat_max;read_clat_mean;read_clat_dev;read_clat_pct01;read_clat_pct02;read_clat_pct03;read_clat_pct04;read_clat_pct05;read_clat_pct06;read_clat_pct07;read_clat_pct08;read_clat_pct09;read_clat_pct10;read_clat_pct11;read_clat_pct12;read_clat_pct13;read_clat_pct14;read_clat_pct15;read_clat_pct16;read_clat_pct17;read_clat_pct18;read_clat_pct19;read_clat_pct20;read_tlat_min;read_lat_max;read_lat_mean;read_lat_dev;read_bw_min;read_bw_max;read_bw_agg_pct;read_bw_mean;read_bw_dev;write_kb;write_bandwidth;write_iops;write_runtime_ms;write_slat_min;write_slat_max;write_slat_mean;write_slat_dev;write_clat_min;write_clat_max;write_clat_mean;write_clat_dev;write_clat_pct01;write_clat_pct02;write_clat_pct03;write_clat_pct04;write_clat_pct05;write_clat_pct06;write_clat_pct07;write_clat_pct08;write_clat_pct09;write_clat_pct10;write_clat_pct11;write_clat_pct12;write_clat_pct13;write_clat_pct14;write_clat_pct15;write_clat_pct16;write_clat_pct17;write_clat_pct18;write_clat_pct19;write_clat_pct20;write_tlat_min;write_lat_max;write_lat_mean;write_lat_dev;write_bw_min;write_bw_max;write_bw_agg_pct;write_bw_mean;write_bw_dev;cpu_user;cpu_sys;cpu_csw;cpu_mjf;cpu_minf;iodepth_1;iodepth_2;iodepth_4;iodepth_8;iodepth_16;iodepth_32;iodepth_64;lat_2us;lat_4us;lat_10us;lat_20us;lat_50us;lat_100us;lat_250us;lat_500us;lat_750us;lat_1000us;lat_2ms;lat_4ms;lat_10ms;lat_20ms;lat_50ms;lat_100ms;lat_250ms;lat_500ms;lat_750ms;lat_1000ms;lat_2000ms;lat_over_2000ms;disk_name;disk_read_iops;disk_write_iops;disk_read_merges;disk_write_merges;disk_read_ticks;write_ticks;disk_queue_time;disk_util +In client/server mode terse output differs from what appears when jobs are run +locally. Disk utilization data is omitted from the standard terse output and +for v3 and later appears on its own separate line at the end of each terse +reporting cycle. + JSON output ------------ @@ -4054,6 +4062,7 @@ is recorded. Each *data direction* seen within the window period will aggregate its values in a separate row. Further, when using windowed logging the *block size* and *offset* entries will always contain 0. + Client/Server ------------- @@ -4141,3 +4150,6 @@ containing two hostnames ``h1`` and ``h2`` with IP addresses 192.168.10.120 and /mnt/nfs/fio/192.168.10.120.fileio.tmp /mnt/nfs/fio/192.168.10.121.fileio.tmp + +Terse output in client/server mode will differ slightly from what is produced +when fio is run in stand-alone mode. See the terse output section for details.