AW: [MPlayer-users] rtc wasting 15% CPU

The Wanderer inverseparadox at comcast.net
Sat Jan 7 19:58:59 CET 2006


matthieu castet wrote:

> Hi,
> 
> The Wanderer wrote:
> 
>> I get "Using Linux hardware RTC timing (1024Hz).". Adding -nortc
>> does indeed change that to 'Using nanosleep() timing.". It doesn't
>> produce an obviously significant difference in CPU usage, though.
>> 
>> Either there's something weird about your system, or perhaps the
>> file I'm using to test is sufficiently complicated that the effects
>> of timing issues get swamped in the rest of the processing being
>> done... how would I go about producing, or otherwise obtaining, a
>> file which matches the specs of the one you're testing with?
>> 
> 
> IIRC linux kernel have 2 rtc modules : a soft rtc and a hard rtc.
> 
> Check it is rtc module that is used and not genrtc.

Check how? lsmod?

That reports neither of the above, nor anything else RTC-like. 'locate
rtc | grep -i module' finds that there are modules by those names in my
old 2.4.x and 2.6.9 kernel trees, but none in my current 2.6.11.2 tree.

-- 
       The Wanderer

Warning: Simply because I argue an issue does not mean I agree with any
side of it.

Secrecy is the beginning of tyranny.




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