By the way "boot sync" in ddb cause kernel panic (both mp and sp). Will send next bug report in bugs@. Maybe this is connected. I doubt, though.
15.11.2013, 00:37, "Alexander Pakhomov" <[email protected]>: > 14.11.2013, 17:20, "Alexandre Ratchov" <[email protected]>: > >> On Thu, Nov 14, 2013 at 01:16:41PM +0400, Alexander Pakhomov wrote: >>> Hi. >>> I discovered high CPU0 interruptions load (amd64) in various cases. >>> wifi (athn, urtwn): up to 100% at 2 MB/s download. Usually 50%. Grows >>> faster >>> then linear with net load. Sometimes system freezes for about a minute. >>> Web speed tests consume significantly less CPU then wget/firefox/ktorrent >>> download. I >>> don't know why. >>> Dmitrij D. Czarkoff has 6% interruptions load during samba download (1.3 >>> MB/s, urtwn). >>> I sent bug report but by now it's unreplied. >>> >>> SSD write (dd if=/dev/zero of=... bs=1M): 10% unencrypted, 50% encrypted >>> (softraid0). >>> Disk read doesn't load cause interruptions load. >>> USB stick dd: essentially no interruptions load (2 MB/s) >>> >>> 1) What interruptions load should be considered normal? I used to >>> think even 10% is too high. >> yes, though it depends on the workload >>> I want to investigate the problem and profile interruption handlers. >>> 2) Is there any OpenBSD kernel profiling support? High resolution clocks, >>> tick counters. >> do you observe the same problem with the GENERIC kernel? > > Mostly GENERIC.MP > GENERIC.SP has high interrupts load with wifi but OK with disk. > Interesting that SP has higher encrypted write speed. > Interrupts load for WiFi varies a lot. > dd unenc sp: > interrupt total rate > irq0/clock 17944 102 > irq144/acpi0 35 0 > irq96/inteldrm0 39 0 > irq96/ehci0 47 0 > irq176/azalia0 1 0 > irq101/ehci1 26 0 > irq102/ahci0 437730 2501 > irq145/pckbc0 587 3 > Total 456409 2608 > sys 17% int 9% > 164 MB/s > > dd_unenc_mp > interrupt total rate > irq0/clock 114430 401 > irq0/ipi 6786 23 > irq144/acpi0 57 0 > irq96/inteldrm0 38 0 > irq96/ehci0 535 1 > irq176/azalia0 1 0 > irq101/ehci1 26 0 > irq102/ahci0 274667 963 > irq145/pckbc0 643 2 > Total 397183 1393 > 30 sys 50 int > 200 MB/s > > dd_enc_sp > interrupt total rate > irq0/clock 33068 101 > irq144/acpi0 67 0 > irq96/inteldrm0 55 0 > irq96/ehci0 47 0 > irq176/azalia0 1 0 > irq101/ehci1 26 0 > irq102/ahci0 470959 1440 > irq145/pckbc0 1535 4 > Total 505758 1546 > 100 sys 0 inter > 54 MB/s > > dd_enc_mp > interrupt total rate > irq0/clock 176891 400 > irq0/ipi 29242 66 > irq144/acpi0 89 0 > irq96/inteldrm0 72 0 > irq96/ehci0 535 1 > irq176/azalia0 1 0 > irq101/ehci1 26 0 > irq102/ahci0 515102 1165 > irq145/pckbc0 1496 3 > Total 723454 1636 > 60x4 sys 80 int > 42 MB/s > > wget_athn_sp > interrupt total rate > irq0/clock 139244 100 > irq144/acpi0 279 0 > irq96/inteldrm0 156 0 > irq96/ehci0 323243 232 > irq176/azalia0 1 0 > irq101/ehci1 26 0 > irq102/ahci0 475704 342 > irq145/pckbc0 3465 2 > Total 942118 678 > 40% > interrupt total rate > irq0/clock 329629 399 > irq0/ipi 78886 95 > irq144/acpi0 165 0 > irq96/inteldrm0 134 0 > irq96/ehci0 133755 162 > irq176/azalia0 1 0 > irq101/ehci1 26 0 > irq102/ahci0 516208 625 > irq145/pckbc0 2618 3 > Total 1061422 1286 > 40 int > > wget_urtwn_sp > interrupt total rate > irq0/clock 47794 100 > irq144/acpi0 95 0 > irq96/inteldrm0 87 0 > irq96/ehci0 59300 125 > irq176/azalia0 1 0 > irq101/ehci1 26 0 > irq102/ahci0 475109 1002 > irq145/pckbc0 2244 4 > Total 584656 1233 > 40% > > wget_urtwn0_mp > interrupt total rate > irq0/clock 293365 399 > irq0/ipi 56036 76 > irq144/acpi0 147 0 > irq96/inteldrm0 109 0 > irq96/ehci0 90325 123 > irq176/azalia0 1 0 > irq101/ehci1 26 0 > irq102/ahci0 516167 703 > irq145/pckbc0 2347 3 > Total 958523 1305 > 40% int > > dmesg (was in bugs@): > OpenBSD 5.4 (GENERIC.MP) #41: Tue Jul 30 15:30:02 MDT 2013 > [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP > real mem = 17045254144 (16255MB) > avail mem = 16583786496 (15815MB) > mainbus0 at root > bios0 at mainbus0: SMBIOS rev. 2.6 @ 0xdae23000 (66 entries) > bios0: vendor LENOVO version "8DET46WW (1.16 )" date 05/18/2011 > bios0: LENOVO 4290RB3 > acpi0 at bios0: rev 2 > acpi0: sleep states S0 S3 S4 S5 > acpi0: tables DSDT FACP SLIC SSDT SSDT SSDT HPET APIC MCFG ECDT ASF! SSDT > SSDT UEFI UEFI UEFI > acpi0: wakeup devices LID_(S3) SLPB(S3) IGBE(S4) EXP4(S4) EXP7(S4) EHC1(S3) > EHC2(S3) HDEF(S4) > acpitimer0 at acpi0: 3579545 Hz, 24 bits > acpihpet0 at acpi0: 14318179 Hz > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat > cpu0 at mainbus0: apid 0 (boot processor) > cpu0: Intel(R) Core(TM) i3-2310M CPU @ 2.10GHz, 2093.49 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,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC > cpu0: 256KB 64b/line 8-way L2 cache > cpu0: smt 0, core 0, package 0 > cpu0: apic clock running at 99MHz > cpu1 at mainbus0: apid 1 (application processor) > cpu1: Intel(R) Core(TM) i3-2310M CPU @ 2.10GHz, 2093.20 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,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC > cpu1: 256KB 64b/line 8-way L2 cache > cpu1: smt 1, core 0, package 0 > cpu2 at mainbus0: apid 2 (application processor) > cpu2: Intel(R) Core(TM) i3-2310M CPU @ 2.10GHz, 2093.20 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,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC > cpu2: 256KB 64b/line 8-way L2 cache > cpu2: smt 0, core 1, package 0 > cpu3 at mainbus0: apid 3 (application processor) > cpu3: Intel(R) Core(TM) i3-2310M CPU @ 2.10GHz, 2093.20 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,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC > cpu3: 256KB 64b/line 8-way L2 cache > cpu3: smt 1, core 1, package 0 > ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins > acpimcfg0 at acpi0 addr 0xf8000000, bus 0-63 > acpiec0 at acpi0 > acpiprt0 at acpi0: bus 0 (PCI0) > acpiprt1 at acpi0: bus -1 (PEG_) > acpiprt2 at acpi0: bus 2 (EXP1) > acpiprt3 at acpi0: bus 3 (EXP2) > acpiprt4 at acpi0: bus 5 (EXP4) > acpiprt5 at acpi0: bus 13 (EXP5) > acpiprt6 at acpi0: bus -1 (EXP7) > acpicpu0 at acpi0: C3, C1, PSS > acpicpu1 at acpi0: C3, C1, PSS > acpicpu2 at acpi0: C3, C1, PSS > acpicpu3 at acpi0: C3, C1, PSS > acpipwrres0 at acpi0: PUBS > acpitz0 at acpi0: critical temperature is 99 degC > acpibtn0 at acpi0: LID_ > acpibtn1 at acpi0: SLPB > acpibat0 at acpi0: BAT0 model "42T4865" serial 30832 type LION oem "LGC" > acpibat1 at acpi0: BAT1 not present > acpiac0 at acpi0: AC unit online > acpithinkpad0 at acpi0 > acpidock0 at acpi0: GDCK not docked (0) > cpu0: Enhanced SpeedStep 2093 MHz: speeds: 2100, 2000, 1900, 1800, 1700, > 1600, 1500, 1400, 1300, 1200, 1100, 1000, 900, 800 MHz > pci0 at mainbus0 bus 0 > pchb0 at pci0 dev 0 function 0 "Intel Core 2G Host" rev 0x09 > vga1 at pci0 dev 2 function 0 "Intel HD Graphics 3000" rev 0x09 > intagp0 at vga1 > agp0 at intagp0: aperture at 0xe0000000, size 0x10000000 > inteldrm0 at vga1 > drm0 at inteldrm0 > inteldrm0: 1366x768 > wsdisplay0 at vga1 mux 1: console (std, vt100 emulation) > wsdisplay0: screen 1-5 added (std, vt100 emulation) > "Intel 6 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured > em0 at pci0 dev 25 function 0 "Intel 82579LM" rev 0x04: msi, address > f0:de:f1:6d:75:bf > ehci0 at pci0 dev 26 function 0 "Intel 6 Series USB" rev 0x04: apic 2 int 16 > usb0 at ehci0: USB revision 2.0 > uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1 > azalia0 at pci0 dev 27 function 0 "Intel 6 Series HD Audio" rev 0x04: msi > azalia0: codecs: Conexant/0x506e, Intel/0x2805, using Conexant/0x506e > audio0 at azalia0 > ppb0 at pci0 dev 28 function 0 "Intel 6 Series PCIE" rev 0xb4: msi > pci1 at ppb0 bus 2 > ppb1 at pci0 dev 28 function 1 "Intel 6 Series PCIE" rev 0xb4: msi > pci2 at ppb1 bus 3 > "Realtek 8188CE" rev 0x01 at pci2 dev 0 function 0 not configured > ppb2 at pci0 dev 28 function 3 "Intel 6 Series PCIE" rev 0xb4: msi > pci3 at ppb2 bus 5 > ppb3 at pci0 dev 28 function 4 "Intel 6 Series PCIE" rev 0xb4: msi > pci4 at ppb3 bus 13 > sdhc0 at pci4 dev 0 function 0 "Ricoh 5U822 SD/MMC" rev 0x07: apic 2 int 16 > sdmmc0 at sdhc0 > ehci1 at pci0 dev 29 function 0 "Intel 6 Series USB" rev 0x04: apic 2 int 23 > usb1 at ehci1: USB revision 2.0 > uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1 > pcib0 at pci0 dev 31 function 0 "Intel QM67 LPC" rev 0x04 > ahci0 at pci0 dev 31 function 2 "Intel 6 Series AHCI" rev 0x04: msi, AHCI 1.3 > scsibus0 at ahci0: 32 targets > sd0 at scsibus0 targ 0 lun 0: <ATA, INTEL SSDSC2BW24, DC02> SCSI3 0/direct > fixed naa.50015178f366188d > sd0: 228936MB, 512 bytes/sector, 468862128 sectors, thin > ichiic0 at pci0 dev 31 function 3 "Intel 6 Series SMBus" rev 0x04: apic 2 int > 18 > iic0 at ichiic0 > spdmem0 at iic0 addr 0x50: 8GB DDR3 SDRAM PC3-10600 SO-DIMM > spdmem1 at iic0 addr 0x51: 8GB DDR3 SDRAM PC3-10600 SO-DIMM > isa0 at pcib0 > isadma0 at isa0 > pckbc0 at isa0 port 0x60/5 > pckbd0 at pckbc0 (kbd slot) > pckbc0: using irq 1 for kbd slot > wskbd0 at pckbd0: console keyboard, using wsdisplay0 > pms0 at pckbc0 (aux slot) > pckbc0: using irq 12 for aux slot > wsmouse0 at pms0 mux 0 > wsmouse1 at pms0 mux 0 > pms0: Synaptics clickpad, firmware 8.0 > pcppi0 at isa0 port 0x61 > spkr0 at pcppi0 > aps0 at isa0 port 0x1600/31 > mtrr: Pentium Pro MTRR support > uhub2 at uhub0 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2 > uvideo0 at uhub2 port 6 configuration 1 interface 0 "Chicony Electronics Co., > Ltd. Integrated Camera" rev 2.00/8.54 addr 3 > video0 at uvideo0 > uhub3 at uhub1 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2 > vscsi0 at root > scsibus1 at vscsi0: 256 targets > softraid0 at root > scsibus2 at softraid0: 256 targets > root on sd0a (5767b22a20b432d3.a) swap on sd0b dump on sd0b > urtwn0 at uhub2 port 2 "802.11n USB WLAN" rev 2.00/2.00 addr 4 > urtwn0: MAC/BB RTL8192CU, RF 6052 2T2R, address f8:1a:67:22:b3:89 > sd1 at scsibus2 targ 1 lun 0: <OPENBSD, SR CRYPTO, 005> SCSI2 0/direct fixed > sd1: 131596MB, 512 bytes/sector, 269510505 sectors > urtwn0 detached > athn0 at uhub2 port 2 "ATHEROS USB2.0 WLAN" rev 2.00/1.08 addr 4 > athn0: AR9271 rev 1 (1T1R), ROM rev 13, address 64:66:b3:09:18:7a > athn0 detached > urtwn0 at uhub2 port 2 "802.11n USB WLAN" rev 2.00/2.00 addr 4 > urtwn0: MAC/BB RTL8192CU, RF 6052 2T2R, address f8:1a:67:22:b3:89 > >> -- Alexandre
