lkml.org 
[lkml]   [2006]   [Sep]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [RFC][PATCH 2/2] ACPI: handle timer ticks proactively
    Hi!

    > > > Okay, just to get you some feedback:
    > > >
    > > > It seems to change things a _lot_. Power consumption with usb modules
    > > > loaded went from 14315mW to 13800mW -- that is huge
    > > > deal. Unfortunately something strange is going on: with stock kernel,
    > > > power consumption is mostly constant. With your patch, it varies a
    > > > lot, at 2 second timescale.
    > > >
    > > > Power consumption with usb unloaded (only way to get reasonable power
    > > > on x60) went from stable 10450mW to something rapidly changing, and
    > > > probably even worse than original:
    > >
    > > I also noticed that with your patch, bus master activity tends to be constant?!
    >
    > Is this the case even when userspace touches the disk? On my hardware I
    > see a constant flow of short BM activity bursts.

    Disk was active (like once 5 seconds some small access)...
    Pavel
    --
    Thanks, Sharp!
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2006-09-06 12:57    [W:0.018 / U:90.040 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site