[mythtv-users] high cpu usage when recording

Joel Newcomb joelnewcomb at verizon.net
Sun Dec 7 17:48:22 UTC 2014


On 12/07/2014 09:21 AM, Marco Nelissen wrote:
> On Sun, Dec 7, 2014 at 2:05 AM, Stephen P. Villano 
> <stephen.p.villano at gmail.com <mailto:stephen.p.villano at gmail.com>> wrote:
>
>
>     On 12/7/14 4:28 AM, Paul Harrison wrote:
>     > On 07/12/14 05:05, Marco Nelissen wrote:
>     >> On Sat, Dec 6, 2014 at 8:02 PM, Hika van den Hoven
>     <hikavdh at gmail.com <mailto:hikavdh at gmail.com>
>     >> <mailto:hikavdh at gmail.com <mailto:hikavdh at gmail.com>>> wrote:
>     >>
>     >>     Hoi Marco,
>     >>
>     >>     Sunday, December 7, 2014, 4:43:07 AM, you wrote:
>     >>
>     >>     > 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 <mailto:gnassas at mac.com>
>     >>     <mailto:gnassas at mac.com <mailto:gnassas at mac.com>>> wrote:
>     >>
>     >>     >> On Dec 6, 2014, at 12:19 PM, Marco Nelissen
>     >>     <marco.nelissen at gmail.com <mailto:marco.nelissen at gmail.com>
>     <mailto:marco.nelissen at gmail.com
>     <mailto: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
>     >>     >
>     >>
>     >>     ? :(
>     >>     don't toppost
>     >>     And what do you want to state!
>     >>     Upgrade to normal/recent versions!
>     >>
>     >>
>     >> The version I'm using is only just over a year old, and is the most
>     >> recent version mythbuntu offers me. Why would I go through the
>     hassle
>     >> of upgrading my entire system? I do find it somewhat amusing
>     that you
>     >> apparently recommend upgrading my entire system, while at the same
>     >> time complaining about top-posting, which isn't an issue for any
>     >> decent/recent mail client.
>     >>
>     >
>     > 0.25 was released in April 2012. There have been a few point
>     releases
>     > since but they only contain a few fixes that devs though where worth
>     > backporting.
>     >
>     > The point is the problem you are reporting is fixed in newer
>     versions
>     > so you either upgrade and get all the new fixes and new features or
>     > put up with your old buggy version.
>     >
>     > Paul H.
>     > _______________________________________________
>     That is strange all around. The most recent version (well, LTS) offers
>     0.27. I am using 14.04. Previously, I was on 12.04 and 0.27 was
>     available there as well.
>     So, either the Mythbuntu distro version is extremely old or you've not
>     selected the newer versions of MythTV.
>
>
> I'm on 12.04 LTS, but the 0.25 version of mythtv is the latest it 
> seems to want to offer me. How would I go about selecting a newer 
> version of mythtv?
>
>
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://lists.mythtv.org/mailman/listinfo/mythtv-users
> http://wiki.mythtv.org/Mailing_List_etiquette
> MythTV Forums: https://forum.mythtv.org
Since you are on Mythbuntu, use the Myhtbuntu control center and check 
the box for 0.27, click apply.

-- 
Joel Newcomb
joelnewcomb at verizon.net

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mythtv.org/pipermail/mythtv-users/attachments/20141207/187b5522/attachment.html>


More information about the mythtv-users mailing list