[mythtv-users] high cpu usage when recording

[Stephen P. Villano]

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>> 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>> wrote:
>>
>>     >> On Dec 6, 2014, at 12:19 PM, Marco Nelissen
>>     <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.