{ "fio version" : "fio-3.16", "timestamp" : 1626763278, "timestamp_ms" : 1626763278577, "time" : "Tue Jul 20 06:41:18 2021", "global options" : { "filename" : "/dev/nvme0n1", "ramp_time" : "10s", "runtime" : "30s", "iodepth" : "64", "numjobs" : "4", "randrepeat" : "1", "thread" : "1", "ioengine" : "libaio", "direct" : "1", "norandommap" : "1", "lat_percentiles" : "1", "group_reporting" : "1" }, "jobs" : [ { "jobname" : "rand_read_write", "groupid" : 0, "error" : 0, "eta" : 0, "elapsed" : 41, "job options" : { "name" : "rand_read", "rw" : "randrw", "bs" : "4096", "time_based" : "1" }, "read" : { "io_bytes" : 10463010816, "io_kbytes" : 10217784, "bw_bytes" : 348743777, "bw" : 340570, "iops" : 85138.890741, "runtime" : 30002, "total_ios" : 2554337, "short_ios" : 0, "drop_ios" : 0, "slat_ns" : { "min" : 1332, "max" : 48691, "mean" : 2032.588341, "stddev" : 864.921965 }, "clat_ns" : { "min" : 278533, "max" : 10175655, "mean" : 1444476.063469, "stddev" : 300748.583131 }, "lat_ns" : { "min" : 280646, "max" : 10177629, "mean" : 1446562.147113, "stddev" : 300723.879349, "percentile" : { "1.000000" : 872448, "5.000000" : 1036288, "10.000000" : 1122304, "20.000000" : 1220608, "30.000000" : 1286144, "40.000000" : 1351680, "50.000000" : 1417216, "60.000000" : 1482752, "70.000000" : 1564672, "80.000000" : 1662976, "90.000000" : 1810432, "95.000000" : 1941504, "99.000000" : 2244608, "99.500000" : 2408448, "99.900000" : 3620864, "99.950000" : 4358144, "99.990000" : 6062080 } }, "bw_min" : 291288, "bw_max" : 380288, "bw_agg" : 99.999134, "bw_mean" : 340567.050000, "bw_dev" : 6222.338382, "bw_samples" : 240, "iops_min" : 72822, "iops_max" : 95072, "iops_mean" : 85141.733333, "iops_stddev" : 1555.582888, "iops_samples" : 240 }, "write" : { "io_bytes" : 10454208512, "io_kbytes" : 10209188, "bw_bytes" : 348450387, "bw" : 340283, "iops" : 85066.128925, "runtime" : 30002, "total_ios" : 2552154, "short_ios" : 0, "drop_ios" : 0, "slat_ns" : { "min" : 1383, "max" : 315361, "mean" : 2182.824623, "stddev" : 919.625590 }, "clat_ns" : { "min" : 433904, "max" : 6300941, "mean" : 1558511.433458, "stddev" : 207734.850159 }, "lat_ns" : { "min" : 441909, "max" : 6302845, "mean" : 1560749.444938, "stddev" : 207695.144244, "percentile" : { "1.000000" : 1155072, "5.000000" : 1269760, "10.000000" : 1318912, "20.000000" : 1384448, "30.000000" : 1449984, "40.000000" : 1499136, "50.000000" : 1531904, "60.000000" : 1597440, "70.000000" : 1646592, "80.000000" : 1728512, "90.000000" : 1826816, "95.000000" : 1908736, "99.000000" : 2072576, "99.500000" : 2179072, "99.900000" : 2605056, "99.950000" : 3031040, "99.990000" : 4358144 } }, "bw_min" : 288464, "bw_max" : 380080, "bw_agg" : 99.998134, "bw_mean" : 340276.650000, "bw_dev" : 6293.894521, "bw_samples" : 240, "iops_min" : 72116, "iops_max" : 95020, "iops_mean" : 85069.133333, "iops_stddev" : 1573.475038, "iops_samples" : 240 }, "trim" : { "io_bytes" : 0, "io_kbytes" : 0, "bw_bytes" : 0, "bw" : 0, "iops" : 0.000000, "runtime" : 0, "total_ios" : 0, "short_ios" : 0, "drop_ios" : 0, "slat_ns" : { "min" : 0, "max" : 0, "mean" : 0.000000, "stddev" : 0.000000 }, "clat_ns" : { "min" : 0, "max" : 0, "mean" : 0.000000, "stddev" : 0.000000 }, "lat_ns" : { "min" : 0, "max" : 0, "mean" : 0.000000, "stddev" : 0.000000, "percentile" : { "1.000000" : 0, "5.000000" : 0, "10.000000" : 0, "20.000000" : 0, "30.000000" : 0, "40.000000" : 0, "50.000000" : 0, "60.000000" : 0, "70.000000" : 0, "80.000000" : 0, "90.000000" : 0, "95.000000" : 0, "99.000000" : 0, "99.500000" : 0, "99.900000" : 0, "99.950000" : 0, "99.990000" : 0 } }, "bw_min" : 0, "bw_max" : 0, "bw_agg" : 0.000000, "bw_mean" : 0.000000, "bw_dev" : 0.000000, "bw_samples" : 0, "iops_min" : 0, "iops_max" : 0, "iops_mean" : 0.000000, "iops_stddev" : 0.000000, "iops_samples" : 0 }, "sync" : { "lat_ns" : { "min" : 0, "max" : 0, "mean" : 0.000000, "stddev" : 0.000000 }, "total_ios" : 0 }, "job_runtime" : 120004, "usr_cpu" : 4.833172, "sys_cpu" : 20.800973, "ctx" : 3542118, "majf" : 0, "minf" : 1263, "iodepth_level" : { "1" : 0.000000, "2" : 0.000000, "4" : 0.000000, "8" : 0.000000, "16" : 0.000000, "32" : 0.000000, ">=64" : 100.000000 }, "iodepth_submit" : { "0" : 0.000000, "4" : 100.000000, "8" : 0.000000, "16" : 0.000000, "32" : 0.000000, "64" : 0.000000, ">=64" : 0.000000 }, "iodepth_complete" : { "0" : 0.000000, "4" : 99.999922, "8" : 0.000000, "16" : 0.000000, "32" : 0.000000, "64" : 0.100000, ">=64" : 0.000000 }, "latency_ns" : { "2" : 0.000000, "4" : 0.000000, "10" : 0.000000, "20" : 0.000000, "50" : 0.000000, "100" : 0.000000, "250" : 0.000000, "500" : 0.000000, "750" : 0.000000, "1000" : 0.000000 }, "latency_us" : { "2" : 0.000000, "4" : 0.000000, "10" : 0.000000, "20" : 0.000000, "50" : 0.000000, "100" : 0.000000, "250" : 0.000000, "500" : 0.010000, "750" : 0.070126, "1000" : 1.756079 }, "latency_ms" : { "2" : 95.414131, "4" : 2.722457, "10" : 0.040830, "20" : 0.010000, "50" : 0.000000, "100" : 0.000000, "250" : 0.000000, "500" : 0.000000, "750" : 0.000000, "1000" : 0.000000, "2000" : 0.000000, ">=2000" : 0.000000 }, "latency_depth" : 64, "latency_target" : 0, "latency_percentile" : 100.000000, "latency_window" : 0 } ], "disk_util" : [ { "name" : "nvme0n1", "read_ios" : 3004914, "write_ios" : 3003760, "read_merges" : 0, "write_merges" : 0, "read_ticks" : 4269143, "write_ticks" : 4598453, "in_queue" : 11104, "util" : 99.840351 } ] }