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CPU temperature

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Published in 2015-5-12 18:04:41 | Show all floors |Read mode
I have been installed small radiator from RaspberryPi on H3.Temperature now is more than 50 degrees Celsius (About 51-52)
Is it normal temp?
Published in 2020-3-11 20:21:57 | Show all floors
  1.     cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq
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  1. Debian GNU/Linux 9 \n \l
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  1. cat: /sys/devices/virtual/thermal/thermal_zone0/temp: No such file or directory
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Published in 2015-5-12 22:05:14 | Show all floors
I have been installed small radiator from RaspberryPi on H3.Temperature now is more than 50 degrees Celsius (About 51-52)
Is it normal temp?

Probably.  My H3 runs at about this temperature without a heatsink.  This does seem a bit warm to me.  I've ordered some 14x14x10 heatsinks to see if this helps.

Cheers,
Steven

Published in 2015-5-12 23:23:53 | Show all floors
Linux distribution version have need cpufreq.

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Published in 2015-5-12 23:35:47 | Show all floors
Edited by wolftronics at 2015-5-12 23:38

so not an acceptable answer for linux ... but still ... if I do almost minimal package
thus:
sudo apt-get -f remove x11-common midori lxde python3 python3-minimal libpulse0 libxtst6
sudo find / -type f -size +10000k -exec ls -lh {} \; | awk '{ print $NF ": " $5 }'
sudo rm -rf opt
sudo dpkg --get-selections | grep "\-dev"
sudo apt-get remove `sudo dpkg --get-selections | grep "\-dev" | sed s/install//`
sudo apt-get remove `sudo dpkg --get-selections | grep -v "deinstall" | grep python | sed s/install//`
sudo apt-get remove lxde-common lxde-icon-theme omxplayer raspi-config
sudo apt-get remove `sudo dpkg --get-selections | grep -v "deinstall" | grep x11 | sed s/install//`
sudo apt-get remove `sudo dpkg --get-selections | grep -v "deinstall" | grep sound | sed s/install//`
sudo apt-get remove `sudo dpkg --get-selections | grep -v "deinstall" | grep ssh | sed s/install//`
sudo apt-get install dropbear
sudo apt-get remove gcc-4.4-base:armhf gcc-4.5-base:armhf gcc-4.6-base:armhf gcc-4.7-base:armhf
sudo apt-get remove ca-certificates libraspberrypi-doc xkb-data fonts-freefont-ttf locales manpages
sudo apt-get remove xpdf xarchiver wpagui wpasupplicant wget v4l-utils squeak-vm omxplayer
sudo apt-get remove alsa-base alsa-utils whiptail vim vim-common  vim-runtime vim-tiny wireless-tools  lua5.1 luajit libxml2:armhf
sudo apt-get remove java-common plymouth penguinspuzzle mc  java-common
sudo apt-get autoremove
sudo apt-get clean
sudo swapoff -a
cd /var
sudo dd if=/dev/zero of=swap bs=1M count=100
cd /var/log/
sudo rm `find . -type f`

I tried to test ... to applications or the kernel ...
is also hotter than during the use android.

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Published in 2015-6-8 05:18:59 | Show all floors
how check cpu temp on orange pi plus, debian?

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Published in 2015-8-18 21:56:15 | Show all floors
Edited by Vlad at 2015-8-18 22:22
jam replied at 2015-6-8 05:18
how check cpu temp on orange pi plus, debian?

some temp:
  1. cat /sys/devices/virtual/thermal/thermal_zone0/temp
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current mem freq:
  1. cat /sys/devices/platform/sunxi-ddrfreq/devfreq/sunxi-ddrfreq/cur_freq
Copy code



current cpu freq:
  1. cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq
Copy code



could an officials confirm the above?

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Published in 2015-9-5 00:27:39 | Show all floors
Edited by rajib at 2015-9-5 07:28

I am running Ubuntu Mate 15.04 by Loboris. The OPi-M2 is simple placed on the table in the open and it is not inside any case etc.
I have stuck a coin on top of the H3 CPU using a little HY710 thermal paste. The coin is acting as heat-sink (probably very ineffective too). This is temporary till the ceramic heat-sink arrives from AliExpress.

On the desktop, CPU Frequency Scaling Monitor 1.8.1 is running and the mode is set-to Conservative. During idle-states, the CPU Frequency drops to 480 MHz. In case of generic activity, it scales up-to 1.2 GHz. It touches 1.5 GHz sporadically.

During heavy-use, the cat report temperature on 71 (C or F?). As the system returned to idle-state, the temperature very gradually reduced to 62. I used a kitchen-thermometer to measure the temperature of the coin. During heavy-use, it touched 55 C.

Even during idle-state, the coin is too hot to be held and will cause a burn-injury.

I think an active heat-sink is strongly recommended to ensure the long-life of the OPi.

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Published in 2015-9-8 00:34:13 | Show all floors
Hi,

I've been benchmarking Orange Pi mini 2 with sysbench.
When I try to run sysbench on 4 cores 100% CPU load, one of them always get too hot and it is switched off by system. As a result, OPi mini 2 on 3 legs gets worst results than Raspberry Pi 2...

Details:
1 core:
RPi2 = 297s
OrangePi mini2 = 182s
Odroid C1 = 217s

4 cores:
RPi2 = 75s
OrangePi mini2 = ???  => 1 core out because of overheating
C1 = 55s

On 3 cores, OrangePi mini 2 gets 78s

What about including a heatsink on every unit sold for a little extra cost?

Regards,
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Published in 2020-7-4 11:59:18 | Show all floors
used CentOS 7.8
do not find /sys/devices/virtual/thermal/thermal_zone0/temp
how to cat cpu temperature?
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