Un grand merci.
Je comprends mieux pourquoi la fuite est proportionnelle au trafic réseau.
Oui, tous les serveurs concernés ont une carte réseau Intel X710 for 10GbE SFP+ (les seules a gérer le PCI Express 3.0, non ?)
dmesg :
# dmesg | grep i40e
[ 1.625565] i40e: Intel(R) Ethernet Connection XL710 Network Driver - version 2.1.14-k
[ 1.625565] i40e: Copyright (c) 2013 - 2014 Intel Corporation.
[ 1.688509] i40e 0000:02:00.0: fw 5.40.47690 api 1.5 nvm 5.40 0x80002d35 18.0.17
[ 1.959126] i40e 0000:02:00.0: MAC address: 3c:fd:fe:1a:1d:e0
[ 2.060021] i40e 0000:02:00.0: PCI-Express: Speed 8.0GT/s Width x4
[ 2.060091] i40e 0000:02:00.0: PCI-Express bandwidth available for this device may be insufficient for optimal performance.
[ 2.060096] i40e 0000:02:00.0: Please move the device to a different PCI-e link with more lanes and/or higher transfer rate.
[ 2.085931] i40e 0000:02:00.0: Features: PF-id[0] VFs: 64 VSIs: 66 QP: 8 RSS FD_ATR FD_SB NTUPLE DCB VxLAN Geneve PTP VEPA
[ 2.140793] i40e 0000:02:00.1: fw 5.40.47690 api 1.5 nvm 5.40 0x80002d35 18.0.17
[ 2.422817] i40e 0000:02:00.1: MAC address: 3c:fd:fe:1a:1d:e2
[ 2.442684] i40e 0000:02:00.1: PCI-Express: Speed 8.0GT/s Width x4
[ 2.442696] i40e 0000:02:00.1: PCI-Express bandwidth available for this device may be insufficient for optimal performance.
[ 2.442715] i40e 0000:02:00.1: Please move the device to a different PCI-e link with more lanes and/or higher transfer rate.
[ 2.443043] i40e 0000:02:00.1: Features: PF-id[1] VFs: 64 VSIs: 66 QP: 8 RSS FD_ATR FD_SB NTUPLE DCB VxLAN Geneve PTP VEPA
[ 2.480205] i40e 0000:02:00.0 enp2s0f0: renamed from eth1
[ 2.512183] i40e 0000:02:00.1 enp2s0f1: renamed from eth0
[ 5.800514] i40e 0000:02:00.0 enp2s0f0: NIC Link is Up, 10 Gbps Full Duplex, Flow Control: None
lspci :
02:00.0 Ethernet controller: Intel Corporation Ethernet Controller X710 for 10GbE SFP+ (rev 01)
Subsystem: Intel Corporation Ethernet 10G 2P X710 Adapter
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
Interrupt: pin A routed to IRQ 17
Region 0: Memory at 92000000 (64-bit, prefetchable) [size=16M]
Region 3: Memory at 93008000 (64-bit, prefetchable) [size=32K]
Expansion ROM at 90100000 [disabled] [size=512K]
Capabilities: [40] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 NoSoftRst+ PME-Enable- DSel=8 DScale=1 PME-
Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+
Address: 0000000000000000 Data: 0000
Masking: 00000000 Pending: 00000000
Capabilities: [70] MSI-X: Enable+ Count=129 Masked-
Vector table: BAR=3 offset=00000000
PBA: BAR=3 offset=00001000
Capabilities: [a0] Express (v2) Endpoint, MSI 00
DevCap: MaxPayload 2048 bytes, PhantFunc 0, Latency L0s <512ns, L1 <64us
ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset+
DevCtl: Report errors: Correctable- Non-Fatal+ Fatal+ Unsupported+
RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop- FLReset-
MaxPayload 256 bytes, MaxReadReq 512 bytes
DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr- TransPend-
LnkCap: Port #0, Speed 8GT/s, Width x4, ASPM L1, Exit Latency L0s <2us, L1 <16us
ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 8GT/s, Width x4, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
DevCap2: Completion Timeout: Range ABCD, TimeoutDis+, LTR-, OBFF Not Supported
DevCtl2: Completion Timeout: 65ms to 210ms, TimeoutDis-, LTR-, OBFF Disabled
LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis-
Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-
Compliance De-emphasis: -6dB
LnkSta2: Current De-emphasis Level: -3.5dB, EqualizationComplete+, EqualizationPhase1+
EqualizationPhase2-, EqualizationPhase3-, LinkEqualizationRequest-
Capabilities: [e0] Vital Product Data
Product Name: X710 10GbE Controller
Read-only fields:
[V0] Vendor specific: FFV18.0.17
[PN] Part number: 5N7Y5
[MN] Manufacture ID: 31 30 32 38
[V1] Vendor specific: DSV1028VPDR.VER2.0
[V3] Vendor specific: DTINIC
[V4] Vendor specific: DCM10010391C521010391C512020391C523020391C514030391C525030391C516040391C527040391C518050391C529050391C51A060391C52B060391C51C070391C52D070391C51E080391C52F080391C5
[V5] Vendor specific: NPY2
[V6] Vendor specific: PMTA
[V7] Vendor specific: NMVIntel Corp
[V8] Vendor specific: L1D0
[RV] Reserved: checksum good, 4 byte(s) reserved
Read/write fields:
[Y1] System specific: CCF1
End
Capabilities: [100 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- NonFatalErr+
CEMsk: RxErr+ BadTLP+ BadDLLP+ Rollover+ Timeout+ NonFatalErr+
AERCap: First Error Pointer: 00, GenCap+ CGenEn+ ChkCap+ ChkEn+
Capabilities: [140 v1] Device Serial Number e0-1d-1a-ff-ff-fe-fd-3c
Capabilities: [150 v1] Alternative Routing-ID Interpretation (ARI)
ARICap: MFVC- ACS-, Next Function: 1
ARICtl: MFVC- ACS-, Function Group: 0
Capabilities: [1a0 v1] Transaction Processing Hints
Device specific mode supported
No steering table available
Capabilities: [1b0 v1] Access Control Services
ACSCap: SrcValid- TransBlk- ReqRedir- CmpltRedir- UpstreamFwd- EgressCtrl- DirectTrans-
ACSCtl: SrcValid- TransBlk- ReqRedir- CmpltRedir- UpstreamFwd- EgressCtrl- DirectTrans-
Capabilities: [1d0 v1] #19
Kernel driver in use: i40e
Kernel modules: i40e
Coté CPU, ce sont tous des Xeon E3-1240 v5 ou Xeon E3-1240 v6.
# lscpu
Architecture: x86_64
Mode(s) opératoire(s) des processeurs :32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 8
On-line CPU(s) list: 0-7
Thread(s) par cœur : 2
Cœur(s) par socket : 4
Socket(s): 1
Nœud(s) NUMA : 1
Identifiant constructeur :GenuineIntel
Famille de processeur :6
Modèle : 158
Model name: Intel(R) Xeon(R) CPU E3-1240 v6 @ 3.70GHz
Révision : 9
Vitesse du processeur en MHz :3700.000
CPU max MHz: 4100,0000
CPU min MHz: 800,0000
BogoMIPS: 7392.00
Virtualisation : VT-x
Cache L1d : 32K
Cache L1i : 32K
Cache L2 : 256K
Cache L3 : 8192K
NUMA node0 CPU(s): 0-7
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp