{ "fio version" : "fio-3.36", "timestamp" : 1743017037, "timestamp_ms" : 1743017037423, "time" : "Wed Mar 26 19:23:57 2025", "global options" : { "ioengine" : "libaio", "runtime" : "30s", "numjobs" : "8", "iodepth" : "128", "bs" : "1024k", "size" : "1024g", "rw" : "write", "filename" : "/dev/nvme1n1", "time_based" : "1", "direct" : "1" }, "jobs" : [ { "jobname" : "test", "groupid" : 0, "job_start" : 1743017007195, "error" : 0, "eta" : 0, "elapsed" : 31, "job options" : { "name" : "test", "cpus_allowed" : "1,2,3,4,5,6,7,", "cpus_allowed_policy" : "split" }, "read" : { "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, "N" : 0 }, "clat_ns" : { "min" : 0, "max" : 0, "mean" : 0.000000, "stddev" : 0.000000, "N" : 0 }, "lat_ns" : { "min" : 0, "max" : 0, "mean" : 0.000000, "stddev" : 0.000000, "N" : 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 }, "write" : { "io_bytes" : 15704522752, "io_kbytes" : 15336448, "bw_bytes" : 519484064, "bw" : 507308, "iops" : 495.418610, "runtime" : 30231, "total_ios" : 14977, "short_ios" : 0, "drop_ios" : 0, "slat_ns" : { "min" : 27874, "max" : 205526061, "mean" : 16023023.351005, "stddev" : 15884754.640815, "N" : 14977 }, "clat_ns" : { "min" : 12949991, "max" : 4007695232, "mean" : 2016601855.190694, "stddev" : 710862453.336226, "N" : 14977, "percentile" : { "1.000000" : 263192576, "5.000000" : 1082130432, "10.000000" : 1870659584, "20.000000" : 1870659584, "30.000000" : 1870659584, "40.000000" : 1870659584, "50.000000" : 1870659584, "60.000000" : 1870659584, "70.000000" : 1870659584, "80.000000" : 1870659584, "90.000000" : 3640655872, "95.000000" : 3774873600, "99.000000" : 3875536896, "99.500000" : 3909091328, "99.900000" : 3976200192, "99.950000" : 3976200192, "99.990000" : 4009754624 } }, "lat_ns" : { "min" : 12988948, "max" : 4110422476, "mean" : 2032624878.541697, "stddev" : 715988780.901539, "N" : 14977 }, "bw_min" : 356352, "bw_max" : 727040, "bw_agg" : 96.553842, "bw_mean" : 489826.861166, "bw_dev" : 10171.838618, "bw_samples" : 462, "iops_min" : 348, "iops_max" : 710, "iops_mean" : 478.341507, "iops_stddev" : 9.933419, "iops_samples" : 462 }, "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, "N" : 0 }, "clat_ns" : { "min" : 0, "max" : 0, "mean" : 0.000000, "stddev" : 0.000000, "N" : 0 }, "lat_ns" : { "min" : 0, "max" : 0, "mean" : 0.000000, "stddev" : 0.000000, "N" : 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" : { "total_ios" : 0, "lat_ns" : { "min" : 0, "max" : 0, "mean" : 0.000000, "stddev" : 0.000000, "N" : 0 } }, "job_runtime" : 241729, "usr_cpu" : 0.307369, "sys_cpu" : 0.239524, "ctx" : 16854, "majf" : 0, "minf" : 89, "iodepth_level" : { "1" : 0.100000, "2" : 0.106830, "4" : 0.213661, "8" : 0.427322, "16" : 0.854644, "32" : 1.709288, ">=64" : 96.634840 }, "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" : 99.942730, "8" : 0.000000, "16" : 0.000000, "32" : 0.000000, "64" : 0.000000, ">=64" : 0.100000 }, "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" : 0.000000, "750" : 0.000000, "1000" : 0.000000 }, "latency_ms" : { "2" : 0.000000, "4" : 0.000000, "10" : 0.000000, "20" : 0.287107, "50" : 0.340522, "100" : 0.106830, "250" : 0.220338, "500" : 0.914736, "750" : 1.175135, "1000" : 1.488950, "2000" : 82.339587, ">=2000" : 13.126794 }, "latency_depth" : 128, "latency_target" : 0, "latency_percentile" : 100.000000, "latency_window" : 0 } ], "disk_util" : [ { "name" : "nvme1n1", "read_ios" : 50, "write_ios" : 119199, "read_sectors" : 2116, "write_sectors" : 30514944, "read_merges" : 0, "write_merges" : 0, "read_ticks" : 2, "write_ticks" : 26340329, "in_queue" : 26340331, "util" : 99.599537 } ] }