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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/ | ||||||||||||
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