Laptop: Hard drive wakes up every 5-10 seconds
Roberto Ragusa
mail at robertoragusa.it
Tue Mar 3 10:47:29 UTC 2009
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
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