[ubuntu-mythtv] Higher load averages after upgrade to mythbuntu 12.04/Mythtv 0.25

[Nick Caldwell]

Actually it looks like the numbers are a bit lower than they were when I
first installed, but still higher than I would think and idling machine
should be at. I am running 3.2.0-24 kernel. When I first installed this
version the load average was between .7 and .8, I have run Myth back to .22
I think? I don't remember them ever being that high just at idle. Today
they are in the .3s. When I took this my box had only been up 3.5 hours, it
turns itself on right before I get home and shuts itself off late on work
nights, so I generally don't have it up for more than 3 days at a time over
a weekend.

>From /proc/cpuinfo:
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 35
model name      : AMD Athlon(tm) 64 X2 Dual Core Processor 4400+
stepping        : 2


[image: Inline image 1]


On Thu, May 10, 2012 at 11:57 AM, Cliff Dunn <alldunn at gmail.com> wrote:

> I don't know if my top screenshot came through on my last email, but I am
> attaching it again if not.  It appears that Mythfrontend is using the
> majority of the cpu.  I haven't actually tried killing that process yet to
> see if the load comes down to something I would expect.  I would definitely
> be interested in your numbers.  And like you I have dual HD ATSC tuners on
> my backend/frontend combo.  I have noticed the load up to and above 2.00
> since the upgrade on that machine during recording/watching TV.  The
> machine seems to definitely be keeping up but I am obviously nearing
> my threshold on my dual core proc.  Seems like such unnecessary high
> utilization when I was seeing things so low before the upgrades.
>
>
> On Thu, May 10, 2012 at 2:43 PM, Nick Caldwell <kg6nmp at gmail.com> wrote:
>
>> I did the upgrade about two weeks ago and noticed the same thing. I did a
>> clean install of Mythbuntu 12.04, my load average was pretty low, 0.10s or
>> something (in previous versions) when it was doing nothing and now it sits
>> around 0.8 to 1.0 when doing nothing. I have dual hdtv inputs and it still
>> seems to be able to keep up recording on both and playing back a recording
>> while running mythcomflag, so I haven't really concerned myself with it.
>> Also my cpu fan does not turn on to higher speeds even though typically it
>> would, so I presumed the load number is just wrong, and not that the load
>> is really that high. If I look at top or iotop they are sitting pretty idle
>> as well.
>>
>> I also have an AMD CPU, I forget which exact one but I can send my system
>> info once I get home if it helps. I presume this to be an ubuntu problem
>> though.
>>
>> Nick
>>
>>  On Thu, May 10, 2012 at 10:23 AM, Cliff Dunn <alldunn at gmail.com> wrote:
>>
>>>  I have noticed that after I updated from Mythbuntu 11.10 and MythTV
>>> 0.24 to 12.04/0.25 that my load averages are much higher. I am running AMD
>>> Athlon X2 260 processor. Before the upgrade, with Mythfrontend idle, I
>>> would see a load average of no more than 0.05. Now I am seeing the below
>>> average when idle with much higher loads when actually watching something.
>>> I am curious if you guys have noticed anything similar?
>>>
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>>
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>
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