Alan Stern wrote:
> On Wed, 26 Apr 2006, Christian Haul wrote:
>
>> Alan Stern wrote:
>>> On Tue, 25 Apr 2006, Christian Haul wrote:
>>>> This block repeats for every 2 seconds..... and top shows around CPU 40% hi
>>> I have trouble believing that a few milliseconds of activity occurring
>>> once every two seconds is enough to push your CPU usage to 40%.
>> Well.... I've taken this after I have stopped hald for some ten minutes
>>
>> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
>> 2989 root 10 -5 0 0 0 S 0.0 0.0 3:57.77 usb-storage
>>
>> You see, the system spent 3:57.77 minutes in the usb-storage module, and
>> that with an uptime of 1:35 hrs.
>
> About 1 part in 25? That would amount to 80 ms for each poll, if the
> polls occur at 2-second intervals. Sounds way too long. 5 ms or less
> would be about what I expect.
>
> It's hard to account for where the time was spent from the ps listing.
> It would help if you could provide another dmesg log with
> CONFIG_PRINTK_TIME set.
Will prepare that for tomorrow.
> Maybe it's the hardware.
It used to be fine. Unfortunately, I cannot pin-point when it started to
go bad :-(
Cheers,
Chris.
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