Need a bit help

[Antoine Caillau]

Hi,

Recently, I bought a new laptop (dell D420) and now, I'm discovering the
tool and I need a bit help to understand what I can do with thoose
informations.

By killing gnome-power-manager, un-blinking the cursor in gnome-terminal,
saving power with ipw3945, patching dhcpcd and compiling my own kernel, I
saved roughly an hour (Now, I've 6,5 hours). But I think I can do better :-)

Can someone explain me a bit if ipw3945 interrupts are normal (I was not
using wireless), what can I do with modprobe (or if it is normal) and what
the message with pcscd can help me to improve pcscd. (Pcscd is a soft for
smartcard reader)

Thanks a lot for your help,

Antoine C.

Here is what PowerTop return :
Cn          Avg residency (5s)  Long term residency avg
C0 (cpu running)        ( 3.5%)
C1                0.0ms ( 0.0%)                   0.0ms
C2                2.5ms ( 1.5%)                   2.5ms
C3                2.9ms (95.0%)                   2.9ms

Wakeups-from-idle per second :  672.2

Top causes for wakeups:
  46.8% (111.6)       firefox-bin : schedule_timeout (process_timeout)
  28.8% (68.6)       <interrupt> : ohci1394, ipw3945
   5.0% (12.0)              Xorg : do_setitimer (it_real_fn)
   4.0% ( 9.6)       <interrupt> : ehci_hcd:usb1, uhci_hcd:usb2
   3.4% ( 8.0)          modprobe : usb_hcd_poll_rh_status (rh_timer_func)
   1.4% ( 3.4)             pcscd : do_nanosleep (hrtimer_wakeup)
   1.3% ( 3.0)        powersaved : queue_delayed_work_on
(delayed_work_timer_
   1.1% ( 2.6)     <kernel core> : uhci_scan_schedule (uhci_fsbr_timeout)
   0.8% ( 2.0)         nm-applet : schedule_timeout (process_timeout)
   0.8% ( 1.8)       <interrupt> : ide0
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