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pirate/dxp4800_plus_lspci_fio_tests.txt

Last active January 30, 2025 22:50
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lspci and fio speed testing the internal and main nvme slot speeds on a UGREEN DXP4800 Plus NAS
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dxp4800_plus_lspci_fio_tests.txt
# This is the output of testing the nvme slot speeds on a UGREEN DXP4800 Plus NAS
# The internal slot is limited to PCIe 3.0 speeds and 25w compared to the main slots at PCIe 4.0 speeds and 75w.
# https://www.reddit.com/r/homelab/comments/1bya4n1/ugreen_nas_ama/m9sqojt/
root@ugnas[~]# fio --filename=/dev/nvme2n1 --direct=1 --rw=read --bs=1M --ioengine=libaio --iodepth=32 --numjobs=1 --name=seq_read_test --size=10g
seq_read_test: (g=0): rw=read, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=libaio, iodepth=32
fio-3.33
Starting 1 process
Jobs: 1 (f=1): [R(1)][-.-%][r=3360MiB/s][r=3360 IOPS][eta 00m:00s]
seq_read_test: (groupid=0, jobs=1): err= 0: pid=5961: Thu Jan 30 14:39:40 2025
read: IOPS=3348, BW=3349MiB/s (3511MB/s)(10.0GiB/3058msec)
slat (usec): min=7, max=735, avg=24.96, stdev=22.39
clat (usec): min=3926, max=18458, avg=9511.98, stdev=401.86
lat (usec): min=3971, max=18472, avg=9536.93, stdev=402.90
clat percentiles (usec):
| 1.00th=[ 8848], 5.00th=[ 9372], 10.00th=[ 9372], 20.00th=[ 9503],
| 30.00th=[ 9503], 40.00th=[ 9503], 50.00th=[ 9503], 60.00th=[ 9503],
| 70.00th=[ 9503], 80.00th=[ 9503], 90.00th=[ 9634], 95.00th=[ 9634],
| 99.00th=[10683], 99.50th=[11600], 99.90th=[15533], 99.95th=[16909],
| 99.99th=[18220]
bw ( MiB/s): min= 3289, max= 3368, per=100.00%, avg=3353.24, stdev=31.42, samples=6
iops : min= 3289, max= 3368, avg=3353.17, stdev=31.59, samples=6
lat (msec) : 4=0.01%, 10=98.20%, 20=1.79%
cpu : usr=2.06%, sys=16.88%, ctx=10241, majf=0, minf=538
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.2%, 32=99.7%, >=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 rwts: total=10240,0,0,0 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=32
Run status group 0 (all jobs):
READ: bw=3349MiB/s (3511MB/s), 3349MiB/s-3349MiB/s (3511MB/s-3511MB/s), io=10.0GiB (10.7GB), run=3058-3058msec
Disk stats (read/write):
nvme2n1: ios=10301/0, merge=0/0, ticks=97468/0, in_queue=97468, util=96.76%
root@ugnas[~]#
root@ugnas[~]# fio --filename=/dev/nvme2n1 --direct=1 --rw=read --bs=1M --ioengine=libaio --iodepth=32 --numjobs=1 --name=seq_read_test --size=10g
seq_read_test: (g=0): rw=read, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=libaio, iodepth=32
fio-3.33
Starting 1 process
Jobs: 1 (f=1): [R(1)][-.-%][r=3361MiB/s][r=3361 IOPS][eta 00m:00s]
seq_read_test: (groupid=0, jobs=1): err= 0: pid=5970: Thu Jan 30 14:39:47 2025
read: IOPS=3347, BW=3347MiB/s (3510MB/s)(10.0GiB/3059msec)
slat (usec): min=5, max=738, avg=25.92, stdev=18.47
clat (usec): min=5633, max=18439, avg=9518.24, stdev=371.13
lat (usec): min=5660, max=18503, avg=9544.16, stdev=371.80
clat percentiles (usec):
| 1.00th=[ 9241], 5.00th=[ 9372], 10.00th=[ 9372], 20.00th=[ 9503],
| 30.00th=[ 9503], 40.00th=[ 9503], 50.00th=[ 9503], 60.00th=[ 9503],
| 70.00th=[ 9503], 80.00th=[ 9503], 90.00th=[ 9634], 95.00th=[ 9634],
| 99.00th=[10290], 99.50th=[11338], 99.90th=[15533], 99.95th=[16909],
| 99.99th=[18220]
bw ( MiB/s): min= 3290, max= 3366, per=100.00%, avg=3351.33, stdev=30.19, samples=6
iops : min= 3290, max= 3366, avg=3351.33, stdev=30.19, samples=6
lat (msec) : 10=98.59%, 20=1.41%
cpu : usr=2.42%, sys=17.72%, ctx=10226, majf=0, minf=537
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.2%, 32=99.7%, >=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 rwts: total=10240,0,0,0 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=32
Run status group 0 (all jobs):
READ: bw=3347MiB/s (3510MB/s), 3347MiB/s-3347MiB/s (3510MB/s-3510MB/s), io=10.0GiB (10.7GB), run=3059-3059msec
Disk stats (read/write):
nvme2n1: ios=9995/0, merge=0/0, ticks=94720/0, in_queue=94720, util=96.73%
root@ugnas[~]# fio --filename=/dev/nvme1n1 --direct=1 --rw=read --bs=1M --ioengine=libaio --iodepth=32 --numjobs=1 --name=seq_read_test --size=10g
seq_read_test: (g=0): rw=read, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=libaio, iodepth=32
fio-3.33
Starting 1 process
Jobs: 1 (f=1)
seq_read_test: (groupid=0, jobs=1): err= 0: pid=5983: Thu Jan 30 14:39:56 2025
read: IOPS=6135, BW=6135MiB/s (6433MB/s)(10.0GiB/1669msec)
slat (usec): min=4, max=818, avg=18.82, stdev=20.23
clat (usec): min=2554, max=12441, avg=5181.46, stdev=640.71
lat (usec): min=2750, max=12502, avg=5200.28, stdev=646.03
clat percentiles (usec):
| 1.00th=[ 4015], 5.00th=[ 4359], 10.00th=[ 4555], 20.00th=[ 4752],
| 30.00th=[ 4752], 40.00th=[ 4883], 50.00th=[ 5014], 60.00th=[ 5342],
| 70.00th=[ 5538], 80.00th=[ 5735], 90.00th=[ 5932], 95.00th=[ 6063],
| 99.00th=[ 6390], 99.50th=[ 6783], 99.90th=[11731], 99.95th=[11863],
| 99.99th=[12125]
bw ( MiB/s): min= 5578, max= 6494, per=99.30%, avg=6092.67, stdev=468.40, samples=3
iops : min= 5578, max= 6494, avg=6092.67, stdev=468.40, samples=3
lat (msec) : 4=0.84%, 10=98.95%, 20=0.21%
cpu : usr=3.60%, sys=21.76%, ctx=7701, majf=0, minf=537
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.2%, 32=99.7%, >=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 rwts: total=10240,0,0,0 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=32
Run status group 0 (all jobs):
READ: bw=6135MiB/s (6433MB/s), 6135MiB/s-6135MiB/s (6433MB/s-6433MB/s), io=10.0GiB (10.7GB), run=1669-1669msec
Disk stats (read/write):
nvme1n1: ios=10707/0, merge=0/0, ticks=54971/0, in_queue=54971, util=94.04%
root@ugnas[~]# fio --filename=/dev/nvme0n1 --direct=1 --rw=read --bs=1M --ioengine=libaio --iodepth=32 --numjobs=1 --name=seq_read_test --size=10g
seq_read_test: (g=0): rw=read, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=libaio, iodepth=32
fio-3.33
Starting 1 process
Jobs: 1 (f=1)
seq_read_test: (groupid=0, jobs=1): err= 0: pid=5992: Thu Jan 30 14:40:04 2025
read: IOPS=6485, BW=6485MiB/s (6800MB/s)(10.0GiB/1579msec)
slat (usec): min=5, max=1007, avg=17.81, stdev=20.73
clat (usec): min=2561, max=11913, avg=4901.85, stdev=433.65
lat (usec): min=2572, max=12033, avg=4919.66, stdev=440.65
clat percentiles (usec):
| 1.00th=[ 4080], 5.00th=[ 4621], 10.00th=[ 4686], 20.00th=[ 4752],
| 30.00th=[ 4752], 40.00th=[ 4817], 50.00th=[ 4883], 60.00th=[ 4883],
| 70.00th=[ 4948], 80.00th=[ 5014], 90.00th=[ 5145], 95.00th=[ 5276],
| 99.00th=[ 5932], 99.50th=[ 6718], 99.90th=[11076], 99.95th=[11469],
| 99.99th=[11863]
bw ( MiB/s): min= 6414, max= 6534, per=99.97%, avg=6483.33, stdev=62.14, samples=3
iops : min= 6414, max= 6534, avg=6483.33, stdev=62.14, samples=3
lat (msec) : 4=0.76%, 10=98.99%, 20=0.24%
cpu : usr=1.58%, sys=23.76%, ctx=9580, majf=0, minf=537
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.2%, 32=99.7%, >=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 rwts: total=10240,0,0,0 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=32
Run status group 0 (all jobs):
READ: bw=6485MiB/s (6800MB/s), 6485MiB/s-6485MiB/s (6800MB/s-6800MB/s), io=10.0GiB (10.7GB), run=1579-1579msec
Disk stats (read/write):
nvme0n1: ios=9611/0, merge=0/0, ticks=46783/0, in_queue=46783, util=93.25%
root@ugnas[~]# lspci -vvd ::0108
01:00.0 Non-Volatile memory controller: Phison Electronics Corporation E18 PCIe4 NVMe Controller (rev 01) (prog-if 02 [NVM Express])
Subsystem: Phison Electronics Corporation E18 PCIe4 NVMe Controller
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 16
IOMMU group: 13
Region 0: Memory at 80f00000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [80] Express (v2) Endpoint, MSI 00
DevCap: MaxPayload 512 bytes, PhantFunc 0, Latency L0s unlimited, L1 unlimited
ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ SlotPowerLimit 75W
DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq-
RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+ FLReset-
MaxPayload 256 bytes, MaxReadReq 512 bytes
DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr- TransPend-
LnkCap: Port #0, Speed 16GT/s, Width x4, ASPM L1, Exit Latency L1 <64us
ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+
LnkCtl: ASPM Disabled; RCB 64 bytes, Disabled- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 16GT/s, Width x4
TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
DevCap2: Completion Timeout: Range ABCD, TimeoutDis+ NROPrPrP- LTR+
10BitTagComp+ 10BitTagReq- OBFF Not Supported, ExtFmt+ EETLPPrefix-
EmergencyPowerReduction Not Supported, EmergencyPowerReductionInit-
FRS- TPHComp- ExtTPHComp-
AtomicOpsCap: 32bit- 64bit- 128bitCAS-
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- LTR+ 10BitTagReq- OBFF Disabled,
AtomicOpsCtl: ReqEn-
LnkCap2: Supported Link Speeds: 2.5-16GT/s, Crosslink- Retimer+ 2Retimers+ DRS-
LnkCtl2: Target Link Speed: 16GT/s, EnterCompliance- SpeedDis-
Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-
Compliance Preset/De-emphasis: -6dB de-emphasis, 0dB preshoot
LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete+ EqualizationPhase1+
EqualizationPhase2+ EqualizationPhase3+ LinkEqualizationRequest-
Retimer- 2Retimers- CrosslinkRes: Upstream Port
Capabilities: [d0] MSI-X: Enable+ Count=33 Masked-
Vector table: BAR=0 offset=00002000
PBA: BAR=0 offset=00003000
Capabilities: [e0] MSI: Enable- Count=1/8 Maskable- 64bit+
Address: 0000000000000000 Data: 0000
Capabilities: [f8] 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: [100 v1] Latency Tolerance Reporting
Max snoop latency: 15728640ns
Max no snoop latency: 15728640ns
Capabilities: [110 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=220us
L1SubCtl1: PCI-PM_L1.2- PCI-PM_L1.1- ASPM_L1.2- ASPM_L1.1-
T_CommonMode=0us LTR1.2_Threshold=245760ns
L1SubCtl2: T_PwrOn=220us
Capabilities: [128 v1] Alternative Routing-ID Interpretation (ARI)
ARICap: MFVC- ACS-, Next Function: 0
ARICtl: MFVC- ACS-, Function Group: 0
Capabilities: [1e0 v1] Data Link Feature <?>
Capabilities: [200 v2] Advanced Error Reporting
UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr-
CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr+
AERCap: First Error Pointer: 00, ECRCGenCap- ECRCGenEn- ECRCChkCap+ ECRCChkEn-
MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap-
HeaderLog: 00000000 00000000 00000000 00000000
Capabilities: [290 v1] Device Serial Number 00-00-00-00-00-00-00-00
Capabilities: [2a0 v1] Power Budgeting <?>
Capabilities: [300 v1] Secondary PCI Express
LnkCtl3: LnkEquIntrruptEn- PerformEqu-
LaneErrStat: 0
Capabilities: [340 v1] Physical Layer 16.0 GT/s <?>
Capabilities: [378 v1] Lane Margining at the Receiver <?>
Kernel driver in use: nvme
Kernel modules: nvme
02:00.0 Non-Volatile memory controller: Phison Electronics Corporation E18 PCIe4 NVMe Controller (rev 01) (prog-if 02 [NVM Express])
Subsystem: Phison Electronics Corporation E18 PCIe4 NVMe Controller
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 16
IOMMU group: 14
Region 0: Memory at 80e00000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [80] Express (v2) Endpoint, MSI 00
DevCap: MaxPayload 512 bytes, PhantFunc 0, Latency L0s unlimited, L1 unlimited
ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ SlotPowerLimit 75W
DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq-
RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+ FLReset-
MaxPayload 256 bytes, MaxReadReq 512 bytes
DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr- TransPend-
LnkCap: Port #0, Speed 16GT/s, Width x4, ASPM L1, Exit Latency L1 <64us
ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+
LnkCtl: ASPM Disabled; RCB 64 bytes, Disabled- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 16GT/s, Width x4
TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
DevCap2: Completion Timeout: Range ABCD, TimeoutDis+ NROPrPrP- LTR+
10BitTagComp+ 10BitTagReq- OBFF Not Supported, ExtFmt+ EETLPPrefix-
EmergencyPowerReduction Not Supported, EmergencyPowerReductionInit-
FRS- TPHComp- ExtTPHComp-
AtomicOpsCap: 32bit- 64bit- 128bitCAS-
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- LTR+ 10BitTagReq- OBFF Disabled,
AtomicOpsCtl: ReqEn-
LnkCap2: Supported Link Speeds: 2.5-16GT/s, Crosslink- Retimer+ 2Retimers+ DRS-
LnkCtl2: Target Link Speed: 16GT/s, EnterCompliance- SpeedDis-
Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-
Compliance Preset/De-emphasis: -6dB de-emphasis, 0dB preshoot
LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete+ EqualizationPhase1+
EqualizationPhase2+ EqualizationPhase3+ LinkEqualizationRequest-
Retimer- 2Retimers- CrosslinkRes: Upstream Port
Capabilities: [d0] MSI-X: Enable+ Count=33 Masked-
Vector table: BAR=0 offset=00002000
PBA: BAR=0 offset=00003000
Capabilities: [e0] MSI: Enable- Count=1/8 Maskable- 64bit+
Address: 0000000000000000 Data: 0000
Capabilities: [f8] 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: [100 v1] Latency Tolerance Reporting
Max snoop latency: 15728640ns
Max no snoop latency: 15728640ns
Capabilities: [110 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=220us
L1SubCtl1: PCI-PM_L1.2- PCI-PM_L1.1- ASPM_L1.2- ASPM_L1.1-
T_CommonMode=0us LTR1.2_Threshold=245760ns
L1SubCtl2: T_PwrOn=220us
Capabilities: [128 v1] Alternative Routing-ID Interpretation (ARI)
ARICap: MFVC- ACS-, Next Function: 0
ARICtl: MFVC- ACS-, Function Group: 0
Capabilities: [1e0 v1] Data Link Feature <?>
Capabilities: [200 v2] Advanced Error Reporting
UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr-
CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr+
AERCap: First Error Pointer: 00, ECRCGenCap- ECRCGenEn- ECRCChkCap+ ECRCChkEn-
MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap-
HeaderLog: 00000000 00000000 00000000 00000000
Capabilities: [290 v1] Device Serial Number 00-00-00-00-00-00-00-00
Capabilities: [2a0 v1] Power Budgeting <?>
Capabilities: [300 v1] Secondary PCI Express
LnkCtl3: LnkEquIntrruptEn- PerformEqu-
LaneErrStat: 0
Capabilities: [340 v1] Physical Layer 16.0 GT/s <?>
Capabilities: [378 v1] Lane Margining at the Receiver <?>
Kernel driver in use: nvme
Kernel modules: nvme
04:00.0 Non-Volatile memory controller: Phison Electronics Corporation E18 PCIe4 NVMe Controller (rev 01) (prog-if 02 [NVM Express])
Subsystem: Phison Electronics Corporation E18 PCIe4 NVMe Controller
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 16
IOMMU group: 16
Region 0: Memory at 80d00000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [80] Express (v2) Endpoint, MSI 00
DevCap: MaxPayload 512 bytes, PhantFunc 0, Latency L0s unlimited, L1 unlimited
ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ SlotPowerLimit 25W
DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq-
RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+ FLReset-
MaxPayload 256 bytes, MaxReadReq 512 bytes
DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr- TransPend-
LnkCap: Port #0, Speed 16GT/s, Width x4, ASPM L1, Exit Latency L1 <64us
ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+
LnkCtl: ASPM Disabled; RCB 64 bytes, Disabled- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 8GT/s (downgraded), Width x4
TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
DevCap2: Completion Timeout: Range ABCD, TimeoutDis+ NROPrPrP- LTR+
10BitTagComp+ 10BitTagReq- OBFF Not Supported, ExtFmt+ EETLPPrefix-
EmergencyPowerReduction Not Supported, EmergencyPowerReductionInit-
FRS- TPHComp- ExtTPHComp-
AtomicOpsCap: 32bit- 64bit- 128bitCAS-
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- LTR+ 10BitTagReq- OBFF Disabled,
AtomicOpsCtl: ReqEn-
LnkCap2: Supported Link Speeds: 2.5-16GT/s, Crosslink- Retimer+ 2Retimers+ DRS-
LnkCtl2: Target Link Speed: 16GT/s, EnterCompliance- SpeedDis-
Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-
Compliance Preset/De-emphasis: -6dB de-emphasis, 0dB preshoot
LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete+ EqualizationPhase1+
EqualizationPhase2+ EqualizationPhase3+ LinkEqualizationRequest-
Retimer- 2Retimers- CrosslinkRes: Upstream Port
Capabilities: [d0] MSI-X: Enable+ Count=33 Masked-
Vector table: BAR=0 offset=00002000
PBA: BAR=0 offset=00003000
Capabilities: [e0] MSI: Enable- Count=1/8 Maskable- 64bit+
Address: 0000000000000000 Data: 0000
Capabilities: [f8] 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: [100 v1] Latency Tolerance Reporting
Max snoop latency: 3145728ns
Max no snoop latency: 3145728ns
Capabilities: [110 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=220us
L1SubCtl1: PCI-PM_L1.2- PCI-PM_L1.1- ASPM_L1.2- ASPM_L1.1-
T_CommonMode=0us LTR1.2_Threshold=245760ns
L1SubCtl2: T_PwrOn=220us
Capabilities: [128 v1] Alternative Routing-ID Interpretation (ARI)
ARICap: MFVC- ACS-, Next Function: 0
ARICtl: MFVC- ACS-, Function Group: 0
Capabilities: [1e0 v1] Data Link Feature <?>
Capabilities: [200 v2] Advanced Error Reporting
UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr-
CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr+
AERCap: First Error Pointer: 00, ECRCGenCap- ECRCGenEn- ECRCChkCap+ ECRCChkEn-
MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap-
HeaderLog: 00000000 00000000 00000000 00000000
Capabilities: [290 v1] Device Serial Number 00-00-00-00-00-00-00-00
Capabilities: [2a0 v1] Power Budgeting <?>
Capabilities: [300 v1] Secondary PCI Express
LnkCtl3: LnkEquIntrruptEn- PerformEqu-
LaneErrStat: 0
Capabilities: [340 v1] Physical Layer 16.0 GT/s <?>
Capabilities: [378 v1] Lane Margining at the Receiver <?>
Kernel driver in use: nvme
Kernel modules: nvme
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