On Mon, Apr 24, 2017 at 10:42:16AM +0200, Christoph Borsbach wrote: > Hello everyone, > first off: I know that the topic of "load" has been discussed numerous > times, and been a topic on undeadly [1]. I know that this number is not that > important. > > However: > After upgrading 3 of my systems to 6.1 (from 6.0) I noticed the load average > (15min value) has gone up by roughly 1.0, both in the output of daily(8) > over some days now and when checking manually with w, top, or uptime.
Yes. If I understand correctly, this is because the kernel threads are now counted towards the load average. An OpenBSD system at rest should now have a load average of about 1. Regards, Kusalananda > The systems in question differ a bit: > - amd64 MP (KVM-Guest, dmesg [2], load-example [3]) > - amd64 SP (VMware Guest, dmesg and examples not handy right now) > - i386 SP (Alix, dmesg [4], load examples [5]) > > All were upgraded last week with bsd.rd to 6.1-RELEASE. The systems perform > as well as ever and nothing was changed aside from upgrading system and > packages. I'm just interested what could change the behavior. A quick check > of src/sys/uvm/uvm_meter.c does not show me any changes recently. > > Has anybody observed this as well and has an explanation for this? > > Thanks, > Christoph > > > > [1] > http://undeadly.org/cgi?action=article&sid=20090715034920&mode=flat > > [2] > OpenBSD 6.1 (GENERIC.MP) #20: Sat Apr 1 13:45:56 MDT 2017 > dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP > real mem = 6425526272 (6127MB) > avail mem = 6226112512 (5937MB) > mpath0 at root > scsibus0 at mpath0: 256 targets > mainbus0 at root > bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xf69e0 (11 entries) > bios0: vendor SeaBIOS version "1.9.3-20161116_142049-atsina" date 04/01/2014 > bios0: QEMU Standard PC (i440FX + PIIX, 1996) > acpi0 at bios0: rev 0 > acpi0: sleep states S3 S4 S5 > acpi0: tables DSDT FACP APIC HPET > acpi0: wakeup devices > acpitimer0 at acpi0: 3579545 Hz, 24 bits > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat > cpu0 at mainbus0: apid 0 (boot processor) > cpu0: Westmere E56xx/L56xx/X56xx (Nehalem-C), 2494.15 MHz > cpu0: > FPU,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,SSSE3,CX16,SSE4.1,SSE4.2,x2APIC,POPCNT,AES,HV,NXE,LONG,LAHF > cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB > 64b/line 16-way L2 cache > cpu0: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped > cpu0: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped > cpu0: smt 0, core 0, package 0 > mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges > cpu0: apic clock running at 1000MHz > cpu1 at mainbus0: apid 1 (application processor) > cpu1: Westmere E56xx/L56xx/X56xx (Nehalem-C), 2493.77 MHz > cpu1: > FPU,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,SSSE3,CX16,SSE4.1,SSE4.2,x2APIC,POPCNT,AES,HV,NXE,LONG,LAHF > cpu1: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB > 64b/line 16-way L2 cache > cpu1: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped > cpu1: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped > cpu1: smt 0, core 0, package 1 > ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins > acpihpet0 at acpi0: 100000000 Hz > acpiprt0 at acpi0: bus 0 (PCI0) > acpicpu0 at acpi0: C1(@1 halt!) > acpicpu1 at acpi0: C1(@1 halt!) > "ACPI0006" at acpi0 not configured > "PNP0303" at acpi0 not configured > "PNP0F13" at acpi0 not configured > "PNP0700" at acpi0 not configured > "PNP0501" at acpi0 not configured > "PNP0A06" at acpi0 not configured > "PNP0A06" at acpi0 not configured > "PNP0A06" at acpi0 not configured > "QEMU0002" at acpi0 not configured > pvbus0 at mainbus0: KVM > pci0 at mainbus0 bus 0 > pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02 > pcib0 at pci0 dev 1 function 0 "Intel 82371SB ISA" rev 0x00 > pciide0 at pci0 dev 1 function 1 "Intel 82371SB IDE" rev 0x00: DMA, channel > 0 wired to compatibility, channel 1 wired to compatibility > pciide0: channel 0 disabled (no drives) > atapiscsi0 at pciide0 channel 1 drive 0 > scsibus1 at atapiscsi0: 2 targets > cd0 at scsibus1 targ 0 lun 0: <QEMU, QEMU DVD-ROM, 2.1.> ATAPI 5/cdrom > removable > cd0(pciide0:1:0): using PIO mode 4, DMA mode 2 > uhci0 at pci0 dev 1 function 2 "Intel 82371SB USB" rev 0x01: apic 0 int 11 > piixpm0 at pci0 dev 1 function 3 "Intel 82371AB Power" rev 0x03: apic 0 int > 9iic0 at piixpm0 > vga1 at pci0 dev 2 function 0 "Cirrus Logic CL-GD5446" rev 0x00 > wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) > wsdisplay0: screen 1-5 added (80x25, vt100 emulation) > em0 at pci0 dev 3 function 0 "Intel 82540EM" rev 0x03: apic 0 int 11, > address XX:XX:XX:XX:XX:XX > virtio0 at pci0 dev 4 function 0 "Qumranet Virtio Storage" rev 0x00 > vioblk0 at virtio0 > scsibus2 at vioblk0: 2 targets > sd0 at scsibus2 targ 0 lun 0: <VirtIO, Block Device, > SCSI3 0/direct fixed > sd0: 119808MB, 512 bytes/sector, 245366784 sectors > virtio0: msix shared > virtio1 at pci0 dev 5 function 0 "Qumranet Virtio Memory" rev 0x00 > viomb0 at virtio1 > virtio1: apic 0 int 10 > isa0 at pcib0 > isadma0 at isa0 > fdc0 at isa0 port 0x3f0/6 irq 6 drq 2 > fd0 at fdc0 drive 1: density unknown > com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo > 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 > usb0 at uhci0: USB revision 1.0 > uhub0 at usb0 configuration 1 interface 0 "Intel UHCI root hub" rev > 1.00/1.00 addr 1 > uhidev0 at uhub0 port 1 configuration 1 interface 0 "QEMU QEMU USB Tablet" > rev 2.00/0.00 addr 2 > uhidev0: iclass 3/0 > ums0 at uhidev0: 3 buttons, Z dir > wsmouse1 at ums0 mux 0 > vscsi0 at root > scsibus3 at vscsi0: 256 targets > softraid0 at root > scsibus4 at softraid0: 256 targets > sd1 at scsibus4 targ 1 lun 0: <OPENBSD, SR CRYPTO, 006> SCSI2 0/direct fixed > sd1: 119804MB, 512 bytes/sector, 245360153 sectors > root on sd1a (622e389161167fa2.a) swap on sd1b dump on sd1b > > [3] > 6.0, daily: > 1:30AM up 203 days, 7:26, 0 users, load averages: 0.76, 0.45, 0.42 > 6.1, daily: > 1:30AM up 3 days, 11:49, 0 users, load averages: 1.76, 1.44, 1.36 > 6.1, right now: > 10:20AM up 3 days, 20:39, 1 user, load averages: 1.46, 1.47, 1.42 > > > [4] > > OpenBSD 6.1 (GENERIC) #291: Sat Apr 1 13:49:08 MDT 2017 > dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC > cpu0: Geode(TM) Integrated Processor by AMD PCS ("AuthenticAMD" 586-class) > 499 MHz > cpu0: FPU,DE,PSE,TSC,MSR,CX8,SEP,PGE,CMOV,CFLUSH,MMX,MMXX,3DNOW2,3DNOW > real mem = 267931648 (255MB) > avail mem = 250093568 (238MB) > mpath0 at root > scsibus0 at mpath0: 256 targets > mainbus0 at root > bios0 at mainbus0: date 11/05/08, BIOS32 rev. 0 @ 0xfd088 > pcibios0 at bios0: rev 2.1 @ 0xf0000/0x10000 > pcibios0: pcibios_get_intr_routing - function not supported > pcibios0: PCI IRQ Routing information unavailable. > pcibios0: PCI bus #0 is the last bus > bios0: ROM list: 0xe0000/0xa800 > cpu0 at mainbus0: (uniprocessor) > mtrr: K6-family MTRR support (2 registers) > pci0 at mainbus0 bus 0: configuration mode 1 (bios) > pchb0 at pci0 dev 1 function 0 "AMD Geode LX" rev 0x33 > glxsb0 at pci0 dev 1 function 2 "AMD Geode LX Crypto" rev 0x00: RNG AES > vr0 at pci0 dev 9 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 10, > address XX:XX:XX:XX:XX:XX > ukphy0 at vr0 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI > 0x004063, model 0x0034 > vr1 at pci0 dev 10 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 11, > address XX:XX:XX:XX:XX:XX > ukphy1 at vr1 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI > 0x004063, model 0x0034 > vr2 at pci0 dev 11 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 15, > address XX:XX:XX:XX:XX:XX > ukphy2 at vr2 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI > 0x004063, model 0x0034 > glxpcib0 at pci0 dev 15 function 0 "AMD CS5536 ISA" rev 0x03: rev 3, 32-bit > 3579545Hz timer, watchdog, gpio, i2c > gpio0 at glxpcib0: 32 pins > iic0 at glxpcib0 > maxtmp0 at iic0 addr 0x4c: lm86 > pciide0 at pci0 dev 15 function 2 "AMD CS5536 IDE" rev 0x01: DMA, channel 0 > wired to compatibility, channel 1 wired to compatibility > wd0 at pciide0 channel 0 drive 0: <TS8GCF133> > wd0: 1-sector PIO, LBA48, 7647MB, 15662304 sectors > wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2 > pciide0: channel 1 ignored (disabled) > ohci0 at pci0 dev 15 function 4 "AMD CS5536 USB" rev 0x02: irq 12, version > 1.0, legacy support > ehci0 at pci0 dev 15 function 5 "AMD CS5536 USB" rev 0x02: irq 12 > usb0 at ehci0: USB revision 2.0 > uhub0 at usb0 configuration 1 interface 0 "AMD EHCI root hub" rev 2.00/1.00 > addr 1 > isa0 at glxpcib0 > isadma0 at isa0 > com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo > com0: console > com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo > pcppi0 at isa0 port 0x61 > spkr0 at pcppi0 > npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16 > usb1 at ohci0: USB revision 1.0 > uhub1 at usb1 configuration 1 interface 0 "AMD OHCI root hub" rev 1.00/1.00 > addr 1 > nvram: invalid checksum > vscsi0 at root > scsibus1 at vscsi0: 256 targets > softraid0 at root > scsibus2 at softraid0: 256 targets > root on wd0a (263b32b8f2b33513.a) swap on wd0b dump on wd0b > > [5] > > 6.0, daily: > 1:30AM up 15 days, 7:25, 0 users, load averages: 0.72, 0.24, 0.13 > 6.1, daily: > 1:30AM up 4 days, 5:25, 0 users, load averages: 1.69, 1.22, 1.13 > 6.1, right now: > 10:25AM up 4 days, 14:20, 1 user, load averages: 1.18, 1.13, 1.09 > >
