[mythtv-users] high cpu usage when recording

Marco Nelissen marco.nelissen at gmail.com
Sun Dec 7 03:43:07 UTC 2014


I have v0.25.3-49-gb5adf03, which based on a search for that string appears
to be from August 2013.


On Sat, Dec 6, 2014 at 6:18 PM, George Nassas <gnassas at mac.com> wrote:

> > On Dec 6, 2014, at 12:19 PM, Marco Nelissen <marco.nelissen at gmail.com>
> wrote:
> >
> > My combined front/backend uses about 40% when recording 2 shows, and
> 130% when recording 5 shows, which seems awfully high for what's basically
> just writing data to disk.
> > Running strace on some of the threads, they seem to be very busy calling
> gettimeofday() and clock_gettime(). In fact that seems to be *all* they're
> doing, since I'm not seeing anything related to writing the recordings in
> the trace.
> > Anyone have any idea what might be causing this?
>
> What version are you using? Perhaps a year ago there was a change that
> removed/reduced the frequent time calls. I don't have a reference but
> Daniel K made the commit.
>
> - George
>
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