Laptop: Hard drive wakes up every 5-10 seconds

[Roberto Ragusa]

Michael Cronenworth wrote:
> Why would Linux be waking up every 5 to 10 seconds to write to the disk
> when I am sitting at my desktop or sitting at the login screen? (i.e. No
> programs running. Only 40 total wakeups seen in powertop)

Try this:

yum install blktrace
mount a /sys/kernel/debug -t debugfs
btrace /dev/sda
umount /sys/kernel/debug

btrace will dump all disk activity, PID number is in column number 5.

Best regards.
-- 
   Roberto Ragusa    mail at robertoragusa.it