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Today's Topics:
1. Re: Motion 4.2.2 vs 4.1.1 CPU usage (rmbusy)
----------------------------------------------------------------------
Message: 1
Date: Sat, 10 Aug 2019 12:17:03 -0700
From: rmbusy <rmbusy+mot...@gmail.com>
To: motion-user@lists.sourceforge.net
Subject: Re: [Motion-user] Motion 4.2.2 vs 4.1.1 CPU usage
Message-ID: <386ed9a9-27fd-55c4-12b2-965f84782...@gmail.com>
Content-Type: text/plain; charset="utf-8"; Format="flowed"
I know it's been awhile, but I finally have some useful information to
share on this topic.
After a lot of trial and error, I found 2 things contributing to my
higher CPU usage.? First is the setting of minimum_frame_time in the
motion.conf file.? I discovered that previously I had this value set to
2, instead of the default of disabled.? Changing it to 2 effectively
lowered the runtime CPU utilization back to around where it was
previously with 4.1.1.? Whether or not this is a good setting to have is
still undecided.
The second issue, which seems to be the real problem for me, is the new
web interface.? When I connect to the 4.2.2 web interface with a remote
web browser (local machine is headless), the CPU usage jumps from where
ever it is (150% to 200%) to the max of 400%.? After that, the page
becomes mostly non-responsive, and causes the browser to use a lot of
CPU on the remote machine. Also, with the new interface, it only shows
the first 6 active cameras on the main page (instead of the 8 I have
configured).? If one or more of the first 6 are not available (cameras
haven't responded yet at startup), then I'll see place holders for them,
and the remaining 7th and possibly 8th camera will be shown.
Is there a way to revert back to the 4.1.1 web server in 4.2.2 for
testing?? It looks like it was dropped from the build, but I haven't dug
into that too deeply yet.
--
Rob.
On 7/20/19 11:18 AM, tosiara wrote:
> Would be nice to see motion log from 4.1.1 and 4.2.2 first
>
> On Sat, Jul 20, 2019 at 9:11 PM rmbusy <rmbusy+mot...@gmail.com
> <mailto:rmbusy%2bmot...@gmail.com>> wrote:
>
> I heard you in the beginning Rusian, but I really want to
> understand why I'm seeing the increased CPU usage before I simply
> try reducing it by other means.? Believe me, your suggestion is on
> my list. :-)
>
>
> --
> Rob.
>
>
> On 7/20/19 10:30 AM, Ruslan Matveev wrote:
>> Wow! Thats what I've been saying to topic starter from very
>> beginning ))
>>
>> ??, 20 ???. 2019 ?., 20:28 tosiara <tosi...@gmail.com
>> <mailto:tosi...@gmail.com>>:
>>
>> Solution for most popular RSTP cameras is to use low-res
>> secondary stream for motion detection, and main high-res
>> stream for pass through
>>
>> On Sat, Jul 20, 2019 at 7:55 PM oleg.chekalin via Motion-user
>> <motion-user@lists.sourceforge.net
>> <mailto:motion-user@lists.sourceforge.net>> wrote:
>>
>> Hi All,
>>
>> Then if all is bad as is, could someone propose a
>> solution, to avoid the high load impact to processor?
>>
>> I mean seam no way for capturing rtsp without
>> coding/decoding date?
>>
>> Regards,
>> Oleg
>>
>>
>>
>> ?????????? ? MI MAX 2
>> tosiara <tosi...@gmail.com <mailto:tosi...@gmail.com>> |
>> ??: 20 ???. 2019 ?. 6:53 ?? | ?????????:
>>
>> I have tested RTSP H264 1280x960 20 fps running on
>> ARM ODROID C1.
>> Just running, without any recording it takes 130%
>> CPU. 4.1.1, 4.2.2, Ubuntu 16.04 and 18.04 - the
>> result was always the same. NEON optimizations
>> reduced to 125%, not much. Pretty all the time motion
>> was decoding H264. The decoding, as already
>> mentioned, is very CPU intensive
>>
>> On Sat, Jul 20, 2019 at 5:36 PM Colin Law
>> <clan...@gmail.com <mailto:clan...@gmail.com>> wrote:
>>
>> On Sat, 20 Jul 2019 at 15:24, John D. Gwinner
>> <j...@gwinner.org <mailto:j...@gwinner.org>> wrote:
>>
>> Ok, that helps me with my project ? we need
>> to get 15fps or 30fps; (it?s a medical project).
>>
>> If you?re getting 2-5 and that high a CPU
>> rate, clearly we?ll never get to 15.
>>
>>
>> It also depends dramatically on the format of the
>> data.? If it is mpjpeg for example then motion
>> need do very little to decode the image, if
>> however it is H264 then there is a vast amount of
>> work required just extracting the images from the
>> stream.? On my system running an H264 camera a
>> lot more processor time is spent decoding the
>> stream than is spent in motion detection.
>>
>> Colin
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