Re: decreasing interrupt CPU load

From: Steven Hartland (killing_at_multiplay.co.uk)
Date: 10/22/04

  • Next message: Oleg Gawriloff: "Re: decreasing interrupt CPU load" 
    To: "Oleg Gawriloff" <barzog@telecom.by>, <freebsd-performance@freebsd.org>
Date: Fri, 22 Oct 2004 14:04:46 +0100

    When you say not working are you seeing no more that
    HZ interrupts per second? After compiling in you did
    enable it with the sysctl?

        Steve
    ----- Original Message -----
    From: "Oleg Gawriloff" <barzog@telecom.by>

    >>if that's the only issue, then preventing one from compiling with both SMP
    >>and DEVICE_POLLING doesn't seem necesary, since you can turn polling on
    >>and off at runtime with sysctl's.
    > As I stated in my first letter it seems that polling on SMP w 4.10 is not
    > working as expected. At least with i82550 chipset.

    ================================================
    This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it.

    In the event of misdirection, illegible or incomplete transmission please telephone (023) 8024 3137
    or return the E.mail to postmaster@multiplay.co.uk.

    _______________________________________________
    freebsd-performance@freebsd.org mailing list
    http://lists.freebsd.org/mailman/listinfo/freebsd-performance
    To unsubscribe, send any mail to "freebsd-performance-unsubscribe@freebsd.org"

  • Next message: Oleg Gawriloff: "Re: decreasing interrupt CPU load"

    Relevant Pages

    • Re: hw.acpi.battery.time reports inconsistent values
      ... > I was compiling! ... I rebuild (with NOCLEAN) world, ... # sysctl -d hw.acpi.battery.info_expire ...
      (freebsd-current)
    • sysctl() coding question
      ... sysctl(). ... After some modifications and compiling, I executed the binary and got: ... load.ldavg is of some wicked filetype. ...
      (comp.unix.bsd.openbsd.misc)
    • Re: network stack problem in sparc64?
      ... earendil# sysctl net.inet.udp ... I'm just compiling a kernel with the changes. ...
      (freebsd-hackers)
    • DEVICE_POLLING in 5.3
      ... by compiling the DEVICE_POLLING and HZ=1000 options into ... the kernel. ... concerning device polling in SMP kernels and removed it. ... To finally enable the feature one have to set the sysctl ...
      (freebsd-questions)