On Wed, Apr 04, 2018 at 06:43:32PM +0200, Christophe Simon wrote: > Hello again, > > I tried to disable SpeedStep to see if the interrupts were related to this, > but it didn't help (except the laptop seems a little faster due to stalled > high frequency). I'm still having more than 50% time spent in interrupts on > CPU0, and still the same driver interrupts distribution in `vmstat -iz`. > > The only noticeable difference I see in dmesg when comparing with my X220 > (except hardware itself) are related to ACPI. > > Here's the Latitude E7450 dmesg samples. >
A quick google search shows other people are having this issue with the same model machine with Windows and Linux (high load while doing "nothing", sometimes accompanied by fans/heat output). Could be bad firmware. Or something else. Shrug. -ml > ... > "Intel Core 5G Thermal" rev 0x09 at pci0 dev 4 function 0 not configured > ... > "Intel 9 Series MEI" rev 0x03 at pci0 dev 22 function 0 not configured > ... > acpimadt0: bogus nmi for apid 0 > acpimadt0: bogus nmi for apid 2 > acpimadt0: bogus nmi for apid 1 > acpimadt0: bogus nmi for apid 3 > ... > acpiprt0 at acpi0: bus 0 (PCI0) > acpiprt1 at acpi0: bus -1 (PEG0) > acpiprt2 at acpi0: bus -1 (PEG1) > acpiprt3 at acpi0: bus -1 (PEG2) > acpiprt4 at acpi0: bus 1 (RP01) > acpiprt5 at acpi0: bus -1 (RP02) > acpiprt6 at acpi0: bus -1 (RP03) > acpiprt7 at acpi0: bus 2 (RP04) > acpiprt8 at acpi0: bus 3 (RP05) > acpiprt9 at acpi0: bus -1 (RP06) > acpiprt10 at acpi0: bus -1 (RP07) > acpiprt11 at acpi0: bus -1 (RP08) > ... > "INT3F0D" at acpi0 not configured > "INT3403" at acpi0 not configured > "INT3403" at acpi0 not configured > "DLLK062E" at acpi0 not configured > "DLL062E" at acpi0 not configured > "SMO8810" at acpi0 not configured > "INT3402" at acpi0 not configured > "PNP0C14" at acpi0 not configured > ... > "INT3F0D" at acpi0 not configured > "INT3403" at acpi0 not configured > "INT3403" at acpi0 not configured > "DLLK062E" at acpi0 not configured > "DLL062E" at acpi0 not configured > "SMO8810" at acpi0 not configured > "INT3402" at acpi0 not configured > "PNP0C14" at acpi0 not configured > ... > efifb at mainbus0 not configured > ... > > I don't know if it's normal or not... > > Additionally, I don't know if it's related, but I see some messages looking > like this one in dmesg: > > error: [drm:pid51790:intel_pipe_update_start] *ERROR* Potential atomic > update failure on pipe C > > I hope it helps. > > Many thanks ! > > Le 04/03/18 à 10:32, Christophe Simon a écrit : > > Still trying to figure out where those interrupts may come from... > > > > I had a look at my X220 (which does not present this problem) to compare > > the interrupt rates per driver and see if anything was obvious. Here's > > the output of "vmstat -iz" > > > > Thinkpad X220: > > > > interrupt total rate > > irq0/clock 13485305 401 > > irq0/ipi 13188022 392 > > irq144/acpi0 6879 0 > > irq145/inteldrm0 639544 19 > > irq146/com4 0 0 > > irq114/em0 0 0 > > irq96/ehci0 448 0 > > irq176/azalia0 49724 1 > > irq97/ppb0 0 0 > > irq98/ppb1 0 0 > > irq115/iwn0 923422 27 > > irq99/ppb2 0 0 > > irq100/ppb3 0 0 > > irq96/sdhc0 0 0 > > irq101/ehci1 140 0 > > irq102/ahci0 226099 6 > > irq103/ichiic0 6744 0 > > irq147/pckbc0 2407 0 > > irq148/pckbc0 154187 4 > > Total 28682921 853 > > > > Compared to my Latitude E7450 (Intel Core i5-5300U/Intel HD Graphics > > 5500) below > > > > Latitude E7450: > > > > interrupt total rate > > irq0/clock 185108 398 > > irq0/ipi 1357 2 > > irq144/acpi0 97 0 > > irq145/inteldrm0 28077 60 > > irq96/ppb0 0 0 > > irq97/sdhc0 0 0 > > irq98/ehci0 104 0 > > irq99/ahci0 26691 57 > > irq100/ichiic0 0 0 > > irq146/pckbc0 1112 2 > > irq147/pckbc0 39 0 > > Total 242585 521 > > > > Please note that when I gathered this output, I was in single user with > > all possible devices disabled in the BIOS. I was still experiencing an > > average 50% interrupt load on CPU0 (see my previous mail below) right > > after boot. > > > > The only noticeable differences I see are the ahci0 and inteldrm0 > > devices. I can't tell if this is sufficient to explain the interrupt > > load. > > > > What else could I look at ? Any advice would be welcome. > > > > Many thanks ! > > > > > > As a reminder, please find my dmesg below: > > > > OpenBSD 6.3 (GENERIC.MP) #107: Sat Mar 24 14:21:59 MDT 2018 > > dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP > > real mem = 8439771136 (8048MB) > > avail mem = 8176918528 (7798MB) > > mpath0 at root > > scsibus0 at mpath0: 256 targets > > mainbus0 at root > > bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xed750 (89 entries) > > bios0: vendor Dell Inc. version "A19" date 01/23/2018 > > bios0: Dell Inc. Latitude E7450 > > acpi0 at bios0: rev 2 > > acpi0: sleep states S0 S3 S4 S5 > > acpi0: tables DSDT FACP APIC FPDT FIDT MCFG HPET SSDT UEFI SSDT ASF! > > SSDT SSDT SSDT SSDT PCCT SSDT SSDT SSDT SLIC BGRT > > acpi0: wakeup devices PEGP(S4) PEG0(S4) PEGP(S4) PEG1(S4) PEGP(S4) > > PEG2(S4) PXSX(S4) RP01(S4) PXSX(S4) RP02(S4) PXSX(S4) RP03(S4) PXSX(S4) > > RP04(S4) PXSX(S4) RP05(S4) [...] > > acpitimer0 at acpi0: 3579545 Hz, 24 bits > > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat > > cpu0 at mainbus0: apid 0 (boot processor) > > cpu0: Intel(R) Core(TM) i5-5300U CPU @ 2.30GHz, 2694.19 MHz > > cpu0: > > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,RDSEED,ADX,SMAP,PT,IBRS,IBPB,STIBP,SENSOR,ARAT,MELTDOWN > > > > cpu0: 256KB 64b/line 8-way L2 cache > > acpitimer0: recalibrated TSC frequency 2294696561 Hz > > cpu0: smt 0, core 0, package 0 > > mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges > > cpu0: apic clock running at 99MHz > > cpu0: mwait min=64, max=64, C-substates=0.2.1.2.4.1.1.1, IBE > > cpu1 at mainbus0: apid 2 (application processor) > > cpu1: Intel(R) Core(TM) i5-5300U CPU @ 2.30GHz, 2693.77 MHz > > cpu1: > > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,RDSEED,ADX,SMAP,PT,IBRS,IBPB,STIBP,SENSOR,ARAT,MELTDOWN > > > > cpu1: 256KB 64b/line 8-way L2 cache > > cpu1: smt 0, core 1, package 0 > > cpu2 at mainbus0: apid 1 (application processor) > > cpu2: Intel(R) Core(TM) i5-5300U CPU @ 2.30GHz, 2693.77 MHz > > cpu2: > > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,RDSEED,ADX,SMAP,PT,IBRS,IBPB,STIBP,SENSOR,ARAT,MELTDOWN > > > > cpu2: 256KB 64b/line 8-way L2 cache > > cpu2: smt 1, core 0, package 0 > > cpu3 at mainbus0: apid 3 (application processor) > > cpu3: Intel(R) Core(TM) i5-5300U CPU @ 2.30GHz, 2693.77 MHz > > cpu3: > > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,RDSEED,ADX,SMAP,PT,IBRS,IBPB,STIBP,SENSOR,ARAT,MELTDOWN > > > > cpu3: 256KB 64b/line 8-way L2 cache > > cpu3: smt 1, core 1, package 0 > > ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 40 pins > > acpimadt0: bogus nmi for apid 0 > > acpimadt0: bogus nmi for apid 2 > > acpimadt0: bogus nmi for apid 1 > > acpimadt0: bogus nmi for apid 3 > > acpimcfg0 at acpi0 addr 0xf8000000, bus 0-63 > > acpihpet0 at acpi0: 14318179 Hz > > acpihpet0: recalibrated TSC frequency 2294654306 Hz > > acpiprt0 at acpi0: bus 0 (PCI0) > > acpiprt1 at acpi0: bus -1 (PEG0) > > acpiprt2 at acpi0: bus -1 (PEG1) > > acpiprt3 at acpi0: bus -1 (PEG2) > > acpiprt4 at acpi0: bus 1 (RP01) > > acpiprt5 at acpi0: bus -1 (RP02) > > acpiprt6 at acpi0: bus -1 (RP03) > > acpiprt7 at acpi0: bus 2 (RP04) > > acpiprt8 at acpi0: bus 3 (RP05) > > acpiprt9 at acpi0: bus -1 (RP06) > > acpiprt10 at acpi0: bus -1 (RP07) > > acpiprt11 at acpi0: bus -1 (RP08) > > acpiec0 at acpi0 > > acpicpu0 at acpi0: C3(200@506 mwait.1@0x60), C2(200@148 mwait.1@0x33), > > C1(1000@1 mwait.1), PSS > > acpicpu1 at acpi0: C3(200@506 mwait.1@0x60), C2(200@148 mwait.1@0x33), > > C1(1000@1 mwait.1), PSS > > acpicpu2 at acpi0: C3(200@506 mwait.1@0x60), C2(200@148 mwait.1@0x33), > > C1(1000@1 mwait.1), PSS > > acpicpu3 at acpi0: C3(200@506 mwait.1@0x60), C2(200@148 mwait.1@0x33), > > C1(1000@1 mwait.1), PSS > > acpipwrres0 at acpi0: PG00, resource for PEG0 > > acpipwrres1 at acpi0: PG01, resource for PEG1 > > acpipwrres2 at acpi0: PG02, resource for PEG2 > > acpitz0 at acpi0: critical temperature is 107 degC > > acpipwrres3 at acpi0: FN00, resource for FAN0 > > acpipwrres4 at acpi0: FN01, resource for FAN1 > > acpipwrres5 at acpi0: FN02, resource for FAN2 > > acpipwrres6 at acpi0: FN03, resource for FAN3 > > acpipwrres7 at acpi0: FN04, resource for FAN4 > > acpitz1 at acpi0: critical temperature is 105 degC > > acpitz2 at acpi0: critical temperature is 105 degC > > "INT3F0D" at acpi0 not configured > > "INT3403" at acpi0 not configured > > "INT3403" at acpi0 not configured > > "DLLK062E" at acpi0 not configured > > "DLL062E" at acpi0 not configured > > "SMO8810" at acpi0 not configured > > "INT3402" at acpi0 not configured > > "PNP0C14" at acpi0 not configured > > acpibtn0 at acpi0: LID0 > > acpibtn1 at acpi0: PBTN > > acpibtn2 at acpi0: SBTN > > acpiac0 at acpi0: AC unit online > > acpibat0 at acpi0: BAT0 model "DELL G95J552" serial 39302 type LiP oem > > "LGC-LGC3.6" > > "DELLABCE" at acpi0 not configured > > "INT340F" at acpi0 not configured > > "INT3400" at acpi0 not configured > > "PNP0C0B" at acpi0 not configured > > "PNP0C0B" at acpi0 not configured > > "PNP0C0B" at acpi0 not configured > > "PNP0C0B" at acpi0 not configured > > "PNP0C0B" at acpi0 not configured > > acpivideo0 at acpi0: GFX0 > > acpivout0 at acpivideo0: LCD_ > > cpu0: Enhanced SpeedStep 2694 MHz: speeds: 2301, 2300, 2200, 2000, 1900, > > 1800, 1700, 1500, 1400, 1300, 1100, 1000, 900, 800, 600, 500 MHz > > pci0 at mainbus0 bus 0 > > pchb0 at pci0 dev 0 function 0 "Intel Core 5G Host" rev 0x09 > > inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 5500" rev 0x09 > > drm0 at inteldrm0 > > inteldrm0: msi > > inteldrm0: 1920x1080, 32bpp > > wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation) > > wsdisplay0: screen 1-5 added (std, vt100 emulation) > > azalia0 at pci0 dev 3 function 0 "Intel Core 5G HD Audio" rev 0x09: msi > > "Intel Core 5G Thermal" rev 0x09 at pci0 dev 4 function 0 not configured > > xhci0 at pci0 dev 20 function 0 "Intel 9 Series xHCI" rev 0x03: msi > > usb0 at xhci0: USB revision 3.0 > > uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev > > 3.00/1.00 addr 1 > > "Intel 9 Series MEI" rev 0x03 at pci0 dev 22 function 0 not configured > > em0 at pci0 dev 25 function 0 "Intel I218-LM" rev 0x03: msi, address > > 84:7b:eb:05:ad:f2 > > azalia1 at pci0 dev 27 function 0 "Intel 9 Series HD Audio" rev 0x03: msi > > azalia1: codecs: Realtek/0x0293 > > audio0 at azalia1 > > ppb0 at pci0 dev 28 function 0 "Intel 9 Series PCIE" rev 0xe3: msi > > pci1 at ppb0 bus 1 > > ppb1 at pci0 dev 28 function 3 "Intel 9 Series PCIE" rev 0xe3: msi > > pci2 at ppb1 bus 2 > > iwm0 at pci2 dev 0 function 0 "Intel Dual Band Wireless AC 7265" rev > > 0x59, msi > > ppb2 at pci0 dev 28 function 4 "Intel 9 Series PCIE" rev 0xe3: msi > > pci3 at ppb2 bus 3 > > ehci0 at pci0 dev 29 function 0 "Intel 9 Series USB" rev 0x03: apic 2 > > int 21 > > usb1 at ehci0: USB revision 2.0 > > uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev > > 2.00/1.00 addr 1 > > pcib0 at pci0 dev 31 function 0 "Intel 9 Series LPC" rev 0x03 > > ahci0 at pci0 dev 31 function 2 "Intel 9 Series AHCI" rev 0x03: msi, > > AHCI 1.3 > > ahci0: port 1: 6.0Gb/s > > scsibus1 at ahci0: 32 targets > > sd0 at scsibus1 targ 1 lun 0: <ATA, SAMSUNG SSD PM85, EXT4> SCSI3 > > 0/direct fixed naa.5002538844584d30 > > sd0: 244198MB, 512 bytes/sector, 500118192 sectors, thin > > ichiic0 at pci0 dev 31 function 3 "Intel 9 Series SMBus" rev 0x03: apic > > 2 int 18 > > iic0 at ichiic0 > > iic0: addr 0x29 07=ff 0f=33 10=03 11=1d 12=13 13=52 14=b3 15=33 16=20 > > 17=21 18=1c 19=82 1a=80 1b=74 1c=c0 1e=20 20=7f 22=40 27=ff 29=08 2b=01 > > 2d=33 2f=20 30=95 31=25 32=0e 33=16 87=ff 8f=33 90=03 91=1d 92=13 93=52 > > 94=b3 95=33 96=20 97=21 98=1c 99=82 9a=80 9b=74 9c=c0 9e=20 a0=7f a2=40 > > a7=ff a9=01 ad=32 af=20 b0=95 b1=25 b2=0e b3=16 words 00=0000 01=0000 > > 02=0000 03=0000 04=0000 05=0000 06=0000 07=ffff > > spdmem0 at iic0 addr 0x50: 8GB DDR3 SDRAM PC3-12800 SO-DIMM > > isa0 at pcib0 > > isadma0 at isa0 > > pckbc0 at isa0 port 0x60/5 irq 1 irq 12 > > pckbd0 at pckbc0 (kbd slot) > > wskbd0 at pckbd0: console keyboard, using wsdisplay0 > > pms0 at pckbc0 (aux slot) > > wsmouse0 at pms0 mux 0 > > pcppi0 at isa0 port 0x61 > > spkr0 at pcppi0 > > efifb at mainbus0 not configured > > umb0 at uhub0 port 8 configuration 2 interface 12 "Sierra Wireless, > > Incorporated Dell Wireless 5809e Gobi? 4G LTE Mobile Broadband Card" rev > > 2.00/0.06 addr 2 > > uhub2 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching > > Hub" rev 2.00/0.03 addr 2 > > ugen0 at uhub2 port 3 "Intel Bluetooth" rev 2.01/0.01 addr 3 > > uvideo0 at uhub2 port 6 configuration 1 interface 0 > > "CNFEH25F30401789B5C2 Integrated_Webcam_HD" rev 2.00/46.16 addr 4 > > video0 at uvideo0 > > ugen1 at uhub2 port 7 "Broadcom Corp 5880" rev 1.10/1.01 addr 5 > > vscsi0 at root > > scsibus2 at vscsi0: 256 targets > > softraid0 at root > > scsibus3 at softraid0: 256 targets > > sd1 at scsibus3 targ 1 lun 0: <OPENBSD, SR CRYPTO, 006> SCSI2 0/direct > > fixed > > sd1: 118831MB, 512 bytes/sector, 243367408 sectors > > root on sd1a (95bda97ae2eec46e.a) swap on sd1b dump on sd1b > > iwm0: hw rev 0x210, fw ver 16.242414.0, address 60:57:18:b0:14:ef > > acpivideo0: unknown event 0x00 > > umb0 detached > > uhub0 detached > > ugen0 detached > > video0 detached > > uvideo0 detached > > ugen1 detached > > uhub2 detached > > uhub1 detached > > uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev > > 3.00/1.00 addr 1 > > uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev > > 2.00/1.00 addr 1 > > ugen0 at uhub0 port 8 "Sierra Wireless, Incorporated Dell Wireless 5809e > > Gobi\M-b\M^D\M-" 4G LTE Mobile Broadband Card" rev 2.00/0.00 addr 2 > > WARNING cstate->base.active != intel_crtc->active failed at > > /usr/src/sys/dev/pci/drm/i915/intel_pm.c:3715 > > WARNING drm_crtc_vblank_get(&crtc->base) failed at > > /usr/src/sys/dev/pci/drm/i915/intel_sprite.c:104 > > error: [drm:pid37685:intel_pipe_update_end] *ERROR* Atomic update > > failure on pipe A (start=10 end=63) time 5130100 us, min 1073, max 1079, > > scanline start 576, end 1080 > > vblank not available on crtc 0, ret=-22 > > WARNING cstate->base.active != intel_crtc->active failed at > > /usr/src/sys/dev/pci/drm/i915/intel_pm.c:3715 > > vblank not available on crtc 0, ret=-22 > > vblank not available on crtc 0, ret=-22 > > ugen0: setting configuration index 0 failed > > uhub2 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching > > Hub" rev 2.00/0.03 addr 2 > > ugen1 at uhub2 port 3 "Intel Bluetooth" rev 2.01/0.01 addr 3 > > uvideo0 at uhub2 port 6 configuration 1 interface 0 > > "CNFEH25F30401789B5C2 Integrated_Webcam_HD" rev 2.00/46.16 addr 4 > > video0 at uvideo0 > > ugen2 at uhub2 port 7 "Broadcom Corp 5880" rev 1.10/1.01 addr 5 > > ugen0 detached > > uhub0 detached > > ugen1 detached > > video0 detached > > uvideo0 detached > > ugen2 detached > > uhub2 detached > > uhub1 detached > > uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev > > 3.00/1.00 addr 1 > > uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev > > 2.00/1.00 addr 1 > > ugen0 at uhub0 port 8 "Sierra Wireless, Incorporated Dell Wireless 5809e > > Gobi\M-b\M^D\M-" 4G LTE Mobile Broadband Card" rev 2.00/0.00 addr 2 > > ugen0: setting configuration index 0 failed > > uhub2 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching > > Hub" rev 2.00/0.03 addr 2 > > ugen1 at uhub2 port 3 "Intel Bluetooth" rev 2.01/0.01 addr 3 > > uvideo0 at uhub2 port 6 configuration 1 interface 0 > > "CNFEH25F30401789B5C2 Integrated_Webcam_HD" rev 2.00/46.16 addr 4 > > video0 at uvideo0 > > ugen2 at uhub2 port 7 "Broadcom Corp 5880" rev 1.10/1.01 addr 5 > > ugen0 detached > > acpivideo0: unknown event 0x00 > > umb0 at uhub0 port 8 configuration 2 interface 12 "Sierra Wireless, > > Incorporated Dell Wireless 5809e Gobi? 4G LTE Mobile Broadband Card" rev > > 2.00/0.06 addr 2 > > umb0 detached > > uhub0 detached > > ugen1 detached > > video0 detached > > uvideo0 detached > > ugen2 detached > > uhub2 detached > > uhub1 detached > > uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev > > 3.00/1.00 addr 1 > > uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev > > 2.00/1.00 addr 1 > > ugen0 at uhub0 port 8 "Sierra Wireless, Incorporated Dell Wireless 5809e > > Gobi\M-b\M^D\M-" 4G LTE Mobile Broadband Card" rev 2.00/0.00 addr 2 > > ugen0: setting configuration index 0 failed > > uhub2 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching > > Hub" rev 2.00/0.03 addr 2 > > ugen1 at uhub2 port 3 "Intel Bluetooth" rev 2.01/0.01 addr 3 > > uvideo0 at uhub2 port 6 configuration 1 interface 0 > > "CNFEH25F30401789B5C2 Integrated_Webcam_HD" rev 2.00/46.16 addr 4 > > video0 at uvideo0 > > ugen2 at uhub2 port 7 "Broadcom Corp 5880" rev 1.10/1.01 addr 5 > > ugen0 detached > > uhub0 detached > > ugen1 detached > > video0 detached > > uvideo0 detached > > ugen2 detached > > uhub2 detached > > uhub1 detached > > uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev > > 3.00/1.00 addr 1 > > uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev > > 2.00/1.00 addr 1 > > uhub2 at uhub0 port 1 configuration 1 interface 0 "Dell product 0x2513" > > rev 2.00/0.05 addr 2 > > uhub3 at uhub0 port 4 configuration 1 interface 0 "Dell product 0x2513" > > rev 2.00/0.05 addr 3 > > uhidev0 at uhub3 port 1 configuration 1 interface 0 "Lite-On Technology > > Corp. ThinkPad USB Keyboard with TrackPoint" rev 1.10/1.27 addr 4 > > uhidev0: iclass 3/1 > > ukbd0 at uhidev0: 8 variable keys, 6 key codes > > wskbd1 at ukbd0 mux 1 > > wskbd1: connecting to wsdisplay0 > > uhidev1 at uhub3 port 1 configuration 1 interface 1 "Lite-On Technology > > Corp. ThinkPad USB Keyboard with TrackPoint" rev 1.10/1.27 addr 4 > > uhidev1: iclass 3/0, 4 report ids > > ums0 at uhidev1 reportid 1: 3 buttons > > wsmouse1 at ums0 mux 0 > > uhid0 at uhidev1 reportid 2: input=1, output=0, feature=0 > > uhid1 at uhidev1 reportid 3: input=3, output=1, feature=0 > > uhid2 at uhidev1 reportid 4: input=0, output=0, feature=4 > > uhidev2 at uhub3 port 2 configuration 1 interface 0 "Logitech USB > > Receiver" rev 2.00/12.01 addr 5 > > uhidev2: iclass 3/1 > > ukbd1 at uhidev2: 8 variable keys, 6 key codes > > wskbd2 at ukbd1 mux 1 > > wskbd2: connecting to wsdisplay0 > > uhidev3 at uhub3 port 2 configuration 1 interface 1 "Logitech USB > > Receiver" rev 2.00/12.01 addr 5 > > uhidev3: iclass 3/1, 8 report ids > > ums1 at uhidev3 reportid 2: 16 buttons, Z and W dir > > wsmouse2 at ums1 mux 0 > > uhid3 at uhidev3 reportid 3: input=4, output=0, feature=0 > > uhid4 at uhidev3 reportid 4: input=1, output=0, feature=0 > > uhid5 at uhidev3 reportid 8: input=1, output=0, feature=0 > > uhidev4 at uhub3 port 2 configuration 1 interface 2 "Logitech USB > > Receiver" rev 2.00/12.01 addr 5 > > uhidev4: iclass 3/0, 33 report ids > > uhid6 at uhidev4 reportid 16: input=6, output=6, feature=0 > > uhid7 at uhidev4 reportid 17: input=19, output=19, feature=0 > > uhid8 at uhidev4 reportid 32: input=14, output=14, feature=0 > > uhid9 at uhidev4 reportid 33: input=31, output=31, feature=0 > > uhub4 at uhub3 port 3 configuration 1 interface 0 "Standard Microsystems > > Hub" rev 2.00/0.01 addr 6 > > ugen0 at uhub0 port 8 "Sierra Wireless, Incorporated Dell Wireless 5809e > > Gobi\M-b\M^D\M-" 4G LTE Mobile Broadband Card" rev 2.00/0.00 addr 7 > > ugen0: setting configuration index 0 failed > > uhub5 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching > > Hub" rev 2.00/0.03 addr 2 > > ugen1 at uhub5 port 3 "Intel Bluetooth" rev 2.01/0.01 addr 3 > > uvideo0 at uhub5 port 6 configuration 1 interface 0 > > "CNFEH25F30401789B5C2 Integrated_Webcam_HD" rev 2.00/46.16 addr 4 > > video0 at uvideo0 > > ugen2 at uhub5 port 7 "Broadcom Corp 5880" rev 1.10/1.01 addr 5 > > ugen0 detached > > umb0 at uhub0 port 8 configuration 2 interface 12 "Sierra Wireless, > > Incorporated Dell Wireless 5809e Gobi? 4G LTE Mobile Broadband Card" rev > > 2.00/0.06 addr 7 > > uhidev5 at uhub4 port 2 configuration 1 interface 0 "Yubico Yubikey 4 > > OTP+U2F+CCID" rev 2.00/4.37 addr 8 > > uhidev5: iclass 3/1 > > ukbd2 at uhidev5: 8 variable keys, 6 key codes > > wskbd3 at ukbd2 mux 1 > > wskbd3: connecting to wsdisplay0 > > > > > > > > Le 03/31/18 à 02:41, Christophe Simon a écrit : > > > Hello, > > > > > > Thank you for having answered so quickly. > > > > > > It totally makes sense, thank you for having put me back in the > > > right direction. > > > > > > I'm still trying to figure out where this high interrupt load can > > > come from. To do so, I disabled all the devices I could in the BIOS > > > to see if any could be the cause: > > > > > > - Network adapter > > > - Wireless cards > > > - USB stack > > > - Intel Turbo mode > > > - Camera, microphone and sound card > > > - Memory card reader > > > ... > > > > > > Then I tried booting the laptop in single user mode, but I'm still > > > experiencing high interrupt load on CPU0, despite nothing except the > > > shell was running. > > > > > > Please find "top", "vmstat -iz" and "vmstat -s" outputs captured in > > > single user mode below: > > > > > > # top > > > load averages: 0.71, 0.29, 0.12 23:38:12 > > > 3 processes: 2 idle, 1 on processor up 0:03 > > > CPU0 states: 0.0% user, 0.0% nice, 0.0% system, 46.0% interrupt, > > > 53.9% idle > > > CPU1 states: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, > > > 100% idle > > > CPU2 states: 0.0% user, 0.0% nice, 0.2% system, 0.0% interrupt, > > > 99.8% idle > > > CPU3 states: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, > > > 100% idle > > > Memory: Real: 1728K/33M act/tot Free: 7773M Cache: 3744K Swap: 0K/8189M > > > > > > PID USERNAME PRI NICE SIZE RES STATE WAIT TIME CPU > > > COMMAND > > > 1 root 10 0 304K 172K idle wait 0:01 0.00% init > > > 91068 root 18 0 728K 800K sleep/2 pause 0:00 0.00% ksh > > > 27957 root 28 0 360K 1156K onproc/0 - 0:00 0.00% top > > > > > > > > > # vmstat -iz > > > irq0/clock 185108 398 > > > irq0/ipi 1357 2 > > > irq144/acpi0 97 0 > > > irq145/inteldrm0 28077 60 > > > irq96/ppb0 0 0 > > > irq97/sdhc0 0 0 > > > irq98/ehci0 104 0 > > > irq99/ahci0 26691 57 > > > irq100/ichiic0 0 0 > > > irq146/pckbc0 1112 2 > > > irq147/pckbc0 39 0 > > > Total 242585 521 > > > > > > > > > # vmstat -s > > > 4096 bytes per page > > > 1998390 pages managed > > > 1894589 pages free > > > 795 pages active > > > 13475 pages inactive > > > 0 pages being paged out > > > 49 pages wired > > > 236833 pages zeroed > > > 4 pages reserved for pagedaemon > > > 6 pages reserved for kernel > > > 2096481 swap pages > > > 0 swap pages in use > > > 0 total anon's in system > > > 0 free anon's > > > 345295 page faults > > > 277216 traps > > > 61136801 interrupts > > > 166173 cpu context switches > > > 13962 fpu context switches > > > 49986 software interrupts > > > 509915 syscalls > > > 0 pagein operations > > > 721 forks > > > 29 forks where vmspace is shared > > > 28 kernel map entries > > > 222927 zeroed page hits > > > 2222 zeroed page misses > > > 0 number of times the pagedaemon woke up > > > 0 revolutions of the clock hand > > > 0 pages freed by pagedaemon > > > 0 pages scanned by pagedaemon > > > 0 pages reactivated by pagedaemon > > > 0 busy pages found by pagedaemon > > > 48253 total name lookups > > > cache hits (76% pos + 4% neg) system 0% per-directory > > > deletions 3%, falsehits 0%, toolong 0% > > > 0 select collisions > > > > > > > > > I'm new to OpenBSD and lacking experience. I don't really know what > > > else to check or can do to go further. > > > > > > Do you have any advice that could help me ? > > > > > > Thanks so much ! > > > > > > Le 03/30/18 à 18:30, Theo de Raadt a écrit : > > > > I'm facing a very high interrupt rate on irq0/clock on > > > > a Dell Latitude > > > > E7450 laptop. > > > > > > > > interrupt total rate > > > > irq0/clock 419735 389 > > > > > > > > 100 per cpu. 4 cpus. > > > > > > > > Looks a lot like this: > > > > > > > > interrupt total rate > > > > irq0/clock 1591933050 599 > > > > > > > > on a 6 cpu machine. > > > > > > > > Sorry, your interpretation is incorrect. > > > > > > > > > > > > > > >