--------------------- --------------------- -------------------- ---------------------------------------- ---------- -------------------------- ---------------- -------- /dev/nvme0n1 /dev/ng0n1 S65YNE0T207365 PM991a NVMe Samsung 128GB 0x1 13.27 GB / 128.04 GB 512 B + 0 B 26304039 Smart Log for NVME device:nvme0n1p1 namespace-id:ffffffff critical_warning : 0 temperature : 40 °C (313 K, 104 °F) available_spare : 100% available_spare_threshold : 50% percentage_used : 0% endurance group critical warning summary: 0 Data Units Read : 3283919 (1.68 TB) Data Units Written : 3671831 (1.88 TB) host_read_commands : 11763976 host_write_commands : 12349506 controller_busy_time : 267 power_cycles : 240 power_on_hours : 24 unsafe_shutdowns : 138 media_errors : 0 num_err_log_entries : 0 Warning Temperature Time : 0 Critical Composite Temperature Time : 0 Temperature Sensor 1 : 40 °C (313 K, 104 °F) Thermal Management T1 Trans Count : 2809 Thermal Management T2 Trans Count : 2 Thermal Management T1 Total Time : 2653 Thermal Management T2 Total Time : 0 Mount nvme first === Starting Max Throughput Test on /dev/nvme0n1p1 === --- Testing Max Write --- max_write: (g=0): rw=write, bs=(R) 128KiB-128KiB, (W) 128KiB-128KiB, (T) 128KiB-128KiB, ioengine=libaio, iodepth=64 ... fio-3.41 Starting 2 processes max_write: Laying out IO file (1 file / 10240MiB) Jobs: 2 (f=2): [W(2)][100.0%][w=250MiB/s][w=2003 IOPS][eta 00m:00s] max_write: (groupid=0, jobs=2): err= 0: pid=635: Tue Jul 7 22:07:23 2026 write: IOPS=1962, BW=245MiB/s (257MB/s)(20.0GiB/83476msec); 0 zone resets slat (usec): min=358, max=140896, avg=759.47, stdev=743.71 clat (msec): min=3, max=269, avg=64.40, stdev=30.71 lat (msec): min=4, max=271, avg=65.16, stdev=30.71 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 50], 10.00th=[ 50], 20.00th=[ 51], | 30.00th=[ 51], 40.00th=[ 51], 50.00th=[ 51], 60.00th=[ 52], | 70.00th=[ 62], 80.00th=[ 65], 90.00th=[ 106], 95.00th=[ 148], | 99.00th=[ 184], 99.50th=[ 197], 99.90th=[ 222], 99.95th=[ 236], | 99.99th=[ 253] bw ( KiB/s): min=97280, max=324864, per=100.00%, avg=251434.32, stdev=38799.42, samples=332 iops : min= 760, max= 2538, avg=1963.81, stdev=303.13, samples=332 lat (msec) : 4=0.01%, 10=0.01%, 20=0.01%, 50=24.21%, 100=65.21% lat (msec) : 250=10.54%, 500=0.02% cpu : usr=8.62%, sys=55.84%, ctx=112010, majf=0, minf=17 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=99.9% 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=0.0%, 64=0.1%, >=64=0.0% issued rwts: total=0,163840,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=64 Run status group 0 (all jobs): WRITE: bw=245MiB/s (257MB/s), 245MiB/s-245MiB/s (257MB/s-257MB/s), io=20.0GiB (21.5GB), run=83476-83476msec Disk stats (read/write): nvme0n1: ios=59/163875, sectors=480/41968024, merge=1/201, ticks=397/5210561, in_queue=5211038, util=0.00% Smart Log for NVME device:nvme0n1p1 namespace-id:ffffffff critical_warning : 0 temperature : 60 °C (333 K, 140 °F) available_spare : 100% available_spare_threshold : 50% percentage_used : 0% endurance group critical warning summary: 0 Data Units Read : 3283926 (1.68 TB) Data Units Written : 3713805 (1.90 TB) host_read_commands : 11764595 host_write_commands : 12513403 controller_busy_time : 268 power_cycles : 240 power_on_hours : 24 unsafe_shutdowns : 138 media_errors : 0 num_err_log_entries : 0 Warning Temperature Time : 0 Critical Composite Temperature Time : 0 Temperature Sensor 1 : 60 °C (333 K, 140 °F) Thermal Management T1 Trans Count : 2809 Thermal Management T2 Trans Count : 2 Thermal Management T1 Total Time : 2653 Thermal Management T2 Total Time : 0 --- Testing Max Read --- max_read: (g=0): rw=read, bs=(R) 128KiB-128KiB, (W) 128KiB-128KiB, (T) 128KiB-128KiB, ioengine=libaio, iodepth=64 ... fio-3.41 Starting 2 processes Jobs: 1 (f=1): [_(1),R(1)][100.0%][r=271MiB/s][r=2170 IOPS][eta 00m:00s] max_read: (groupid=0, jobs=2): err= 0: pid=765: Tue Jul 7 22:08:41 2026 read: IOPS=2170, BW=271MiB/s (284MB/s)(20.0GiB/75484msec) slat (usec): min=378, max=16297, avg=663.02, stdev=657.79 clat (usec): min=436, max=276105, avg=44810.50, stdev=43540.77 lat (usec): min=862, max=277684, avg=45473.51, stdev=44151.76 clat percentiles (msec): | 1.00th=[ 29], 5.00th=[ 29], 10.00th=[ 29], 20.00th=[ 29], | 30.00th=[ 30], 40.00th=[ 32], 50.00th=[ 32], 60.00th=[ 32], | 70.00th=[ 32], 80.00th=[ 33], 90.00th=[ 40], 95.00th=[ 188], | 99.00th=[ 192], 99.50th=[ 192], 99.90th=[ 194], 99.95th=[ 207], | 99.99th=[ 266] bw ( KiB/s): min=243167, max=535549, per=100.00%, avg=394285.45, stdev=86876.09, samples=231 iops : min= 1899, max= 4183, avg=3079.49, stdev=678.70, samples=231 lat (usec) : 500=0.01%, 1000=0.01% lat (msec) : 2=0.01%, 4=0.01%, 10=0.02%, 20=0.03%, 50=91.49% lat (msec) : 100=0.07%, 250=8.37%, 500=0.02% cpu : usr=5.38%, sys=91.80%, ctx=7168, majf=0, minf=4113 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=99.9% 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=0.0%, 64=0.1%, >=64=0.0% issued rwts: total=163840,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=64 Run status group 0 (all jobs): READ: bw=271MiB/s (284MB/s), 271MiB/s-271MiB/s (284MB/s-284MB/s), io=20.0GiB (21.5GB), run=75484-75484msec Disk stats (read/write): nvme0n1: ios=163369/4, sectors=41822464/40, merge=0/1, ticks=163431/16, in_queue=163449, util=0.00% === Test Complete === clean test file Smart Log for NVME device:nvme0n1p1 namespace-id:ffffffff critical_warning : 0 temperature : 68 °C (341 K, 154 °F) available_spare : 100% available_spare_threshold : 50% percentage_used : 0% endurance group critical warning summary: 0 Data Units Read : 3325869 (1.70 TB) Data Units Written : 3713806 (1.90 TB) host_read_commands : 11928435 host_write_commands : 12513425 controller_busy_time : 269 power_cycles : 240 power_on_hours : 24 unsafe_shutdowns : 138 media_errors : 0 num_err_log_entries : 0 Warning Temperature Time : 0 Critical Composite Temperature Time : 0 Temperature Sensor 1 : 68 °C (341 K, 154 °F) Thermal Management T1 Trans Count : 2809 Thermal Management T2 Trans Count : 2 Thermal Management T1 Total Time : 2653 Thermal Management T2 Total Time : 0 00:00.0 PCI bridge: Altera Corporation Device e000 (rev 01) (prog-if 00 [Normal decode]) Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: [50] MSI: Enable+ Count=1/16 Maskable- 64bit+ Address: 00000000ff200000 Data: 0000 Capabilities: [68] MSI-X: Enable- Count=64 Masked- Vector table: BAR=0 offset=000fe000 PBA: BAR=0 offset=000ff000 Capabilities: [78] Power Management version 3 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Capabilities: [80] Express (v2) Root Port (Slot-), IntMsgNum 0 DevCap: MaxPayload 256 bytes, PhantFunc 0 ExtTag- RBE+ TEE-IO- DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq- RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ MaxPayload 128 bytes, MaxReadReq 512 bytes DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr- TransPend- LnkCap: Port #1, Speed 2.5GT/s, Width x4, ASPM L0s, Exit Latency L0s <4us ClockPM- Surprise- LLActRep- BwNot+ ASPMOptComp+ LnkCtl: ASPM Disabled; RCB 64 bytes, LnkDisable- CommClk- ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- FltModeDis- LnkSta: Speed 2.5GT/s, Width x4 TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- RootCap: CRSVisible- RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna+ CRSVisible- RootSta: PME ReqID 0000, PMEStatus- PMEPending- DevCap2: Completion Timeout: Range ABCD, TimeoutDis+ NROPrPrP- LTR- 10BitTagComp- 10BitTagReq- OBFF Not Supported, ExtFmt- EETLPPrefix- EmergencyPowerReduction Not Supported, EmergencyPowerReductionInit- FRS- LN System CLS Not Supported, TPHComp- ExtTPHComp- ARIFwd- AtomicOpsCap: Routing- 32bit- 64bit- 128bitCAS- DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- ARIFwd- AtomicOpsCtl: ReqEn- EgressBlck- IDOReq- IDOCompl- LTR- EmergencyPowerReductionReq- 10BitTagReq- OBFF Disabled, EETLPPrefixBlk- LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis- Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS- Compliance Preset/De-emphasis: -6dB de-emphasis, 0dB preshoot LnkSta2: Current De-emphasis Level: -3.5dB, EqualizationComplete- EqualizationPhase1- EqualizationPhase2- EqualizationPhase3- LinkEqualizationRequest- Retimer- 2Retimers- CrosslinkRes: unsupported, FltMode- Capabilities: [100 v1] Virtual Channel Caps: LPEVC=0 RefClk=100ns PATEntryBits=1 Arb: Fixed- WRR32- WRR64- WRR128- Ctrl: ArbSelect=Fixed Status: InProgress- VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256- Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=ff Status: NegoPending- InProgress- Capabilities: [200 v1] Vendor Specific Information: ID=a000 Rev=0 Len=044 Kernel driver in use: pcieport 01:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller 980 (DRAM-less) (prog-if 02 [NVM Express]) Subsystem: Samsung Electronics Co Ltd Device a801 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- Capabilities: [168 v1] Secondary PCI Express LnkCtl3: LnkEquIntrruptEn- PerformEqu- LaneErrStat: 0 Capabilities: [188 v1] Latency Tolerance Reporting Max snoop latency: 0ns Max no snoop latency: 0ns Capabilities: [190 v1] L1 PM Substates L1SubCap: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ L1_PM_Substates+ PortCommonModeRestoreTime=10us PortTPowerOnTime=10us L1SubCtl1: PCI-PM_L1.2- PCI-PM_L1.1- ASPM_L1.2- ASPM_L1.1- T_CommonMode=0us LTR1.2_Threshold=0ns L1SubCtl2: T_PwrOn=10us Kernel driver in use: nvme Kernel modules: nvme