What's the deal? The tickless kernel shouldn't be causing wakeups at
idle, correct?
On a Pentium 4 3ghz HT machine, 2.6.24 shows very little wakeups
occuring, but on my Core 2 Duo 2.1ghz machine I'm getting over 1000
wakeups and it's keeping one core fully awake.
powertop output:
Top causes for wakeups:
88.4% (1000.0) events/0 : run_workqueue (ir_timer)
5.5% ( 62.0) <interrupt> : uhci_hcd:usb3, ahci, nvidia
1.2% ( 13.2) <interrupt> : uhci_hcd:usb4, libata
1.1% ( 12.0) <kernel module> : usb_hcd_poll_rh_status (rh_timer_func)
0.9% ( 10.0) <kernel core> : ehci_irq (ehci_watchdog)
0.5% ( 5.2) thunderbird-bin : futex_wait (hrtimer_wakeup)
On my P4 machine, "events/0 : run_workqueue" is further down on the list
and isn't causing major wakeups.
Both test machines are using Fedora 8. Latest updates. XFCE desktop. No
process or applications are running (besides Thunderbird, obviously).
Google searching resulted in nothing positive. Am I the only one?
Regards,
Michael
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