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17 votes

How can I stress test my Raspberry Pi

I wrote the little command-line tool stressberry the other day which stresses your Raspberry, measures the core temperature, and produces nice plots. Install with pip install stressberry --user and ...
Nico Schlömer's user avatar
10 votes

How can I stress test my Raspberry Pi

For the CPU and most other things you can use nice -19 stress-ng -c 4 --metrics --timeout 60s For the GPU they suggest GeeXLab at geeks3d.com.
Frank Breitling's user avatar
7 votes

Performance of Raspberry Pi 4 in luks?

I can see this question, the performance of Rasperry Pi 4 on LUKS, is old, but it is more relevant now than ever. It is quite common to use LUKS with AES because CPUs (like Intel's, AMD's, etc) ...
JupiterDev's user avatar
5 votes
Accepted

The Hashrate of the Raspberry Pi 2 and 3

My Raspberry Pi 3 Seemed to mine at about 400(ish) kilohashes per second. This is on Einsteinium with the algorithm called Scrypt. I am running a program called m-minerd and am mining on the pool ...
RPImaniac's user avatar
  • 190
5 votes
Accepted

What sort of throughput is achievabe over the USB 3.0 port on the Pi-4?

I have a Pi 4 Model B/4GB serving a small office as a router/firewall/gateway with dnsmasq (DHCP+DNS), dnscrypt-proxy, chrony (NTP), and a few other odds and ends. It's fairly busy: up to 20 users at ...
mwp's user avatar
  • 166
5 votes

How many blocks can a RPi 2B load per day as a Bitcoin full node?

In general, I found memory to be the biggest problem with running bitcoin full nodes, but ymmv. When you are faced with problems like this, vmstat should give you a good idea of what is going on. ...
Ljm Dullaart's user avatar
  • 2,491
4 votes

How to change the default governor?

I made a small programm to change it and let it be changed every boot by automatically creating an init.d script. Link to my project
MeisterD's user avatar
4 votes

Ethernet speed / scp

SCP is based on SSH. And SSH itself has some overhead: SCP is really naive protocol with really naive algorithm for transferring a few of small files. It has a lot of synchronization (RTT - Round ...
Jakuje's user avatar
  • 516
4 votes

Lxpanel using 100% CPU (1 core)

I don't know what causes it, but I haven't seen it happen on Buster (yet), but if it happens for you, try this: lxpanelctl restart This command refreshes the panel, but leaves all the original ...
Botspot's user avatar
  • 1,779
4 votes

What sort of throughput is achievabe over the USB 3.0 port on the Pi-4?

The other user didn't really answer the question asked, about what usb to ethernet adapters work with the Raspberry Pi 4. Here are some forum links I found that may help. I don't have a RPi 4 myself (...
makeworld's user avatar
  • 141
4 votes

How is CPU in Raspberry Pi 4 +36% faster than for Raspberry Pi 3?

The Raspberry PI 4 uses a Quad-core ARM Cortex A72 processor while the Raspberry PI 3+ uses a Quad-core Cortex A53 processor. The A72 processor is a newer version (2016) of the ARMv8-A architecture ...
HeatfanJohn's user avatar
  • 3,135
4 votes
Accepted

Max networking performance with RPi 4 (Gigabit ethernet), with/without a USB3 external disk connected

I have an Rpi4 8GB with a WD Elements 2TB USB3 external HDD (USB3 powered from the Pi) and a Seagate Backup Plus USB 3TB (with its own power supply), both shared by the Pi using Samba and I can get ...
Michael Harvey's user avatar
4 votes
Accepted

Raspberry Pi 3 B insanely slow on basically all tasks

It's possible - even likely perhaps - that your SD card is nearing end-of-life. There are several things you should do: Make a backup asap. A step-by-step was posted here in a recent answer. If your ...
Seamus's user avatar
  • 22.1k
3 votes

The Hashrate of the Raspberry Pi 2 and 3

I'm running a Raspberry Pi 3B+ Monero miner 24/7 (no power costs so profitable more or less...)... I'm getting ~10H/s. Monero is CPU mineable so 10H/s isn't ver y bad at all... If I calculate my ...
Fipsi's user avatar
  • 216
3 votes
Accepted

Does being undervoltage decreases the Pi's performance?

Yes, Current it was. My Pi was running undervolt only because the power drawn from the source was lowering the voltage. I modified my battery pack, and using a total of three cells, I first connected ...
YaddyVirus's user avatar
3 votes
Accepted

Getting extremely low fps on Rpi 3 while image processing

First off, how are you determining that the CPU is only at 25-28%? htop is what I would use as it shows the usage of each core separately. sudo apt-get install htop, then htop to run it, q to quit. ...
tlhIngan's user avatar
  • 3,372
3 votes

Performance with an encrypted disk

So I tried that out and it works pretty nicely so far (except for some problems with the 4.1.18 kernel). Using cipher aes-xts-plain64 the speed is around 3MB/s for both reading and writing.
Petr's user avatar
  • 201
3 votes

How to change the default governor?

The simplest way to do that is using cpufrequtils package. Install it simply by: sudo apt install cpufrequtils cpufrequtils is a collection of three separate, but related, apps: cpufreq-aperf, ...
Youcef4k's user avatar
  • 131
3 votes

How to change the default governor?

An alternative solution (if you are running Raspbian) could be to modify the init.d script in /etc/init.d/raspi-config to always disable the scaling governor. It's default behavior is to only enable ...
Gorkamorka's user avatar
3 votes
Accepted

How much connection speed can I except using Pi 3 in this setup?

Can I expect the controller to run at full USB 2.0 and 100 ethernet speed at the same time? No, the total bus speed of everything combined is limited to 280 Mbps. This is in theory enough if you are ...
goldilocks's user avatar
  • 58.9k
3 votes

regarding how to measure memory usage on raspberry pi for a specific program

You may want to start by running top and locating your program in the list. It will look similar to this: As you can see, there are 3 different memory metrics, each with its own gotchas: VIRT - this ...
Dmitry Grigoryev's user avatar
3 votes

Pi3B+ automatically shutdown while the temperature is less than 65C

Maybe systemd.debug-shell can help you to find the reason of the unexpected shutdown. Look at: rpi ~$ zcat /usr/share/doc/systemd/README.Debian.gz | less There is a section Debugging boot/shutdown ...
Ingo's user avatar
  • 42.2k
3 votes

External SSD-Drive very slow when using mounted encrypted container

I just have tried to write to an encrypted volume: TrueCrypt, AES encryption, the container is a partition on a USB3 drive, encrypted drive formatted as EXT4. I see a data rates between 45 and 52 MB/s ...
Dmitry Grigoryev's user avatar
3 votes
Accepted

sudo apt-get upgrade is extremely slow

It looks like I have had a bad SD card. After I replaced it with another one - atherything went fine!
Roman Matveev's user avatar
2 votes

How do I determine the current MHz?

If you want to see the frequency in real time, I recommend using this command: watch -n1 vcgencmd measure_clock arm When overclocking, usually the temperatures also matter a lot, so this would be the ...
Maximilian Stephan's user avatar
2 votes

Hadoop on the Pi

Saw this question a few years ago and I thought I would provide an up-to-date answer for anyone else who may be interested. A project I did was to create a single node Hadoop node and to test out ...
BantuTech's user avatar
  • 402
2 votes

Performance difference Raspbian versus Gentoo

If you have a Raspberry Pi 2/3 then you can get at a speed increase by using Gentoo... Gentoo ARMv7 code instead of Raspbian ARMv6. You get other speed benefits by using a version of gcc that ...
EvadingGrid's user avatar
2 votes

How can I stress test my Raspberry Pi

Either of these two: for i in 1 2 3 4 ; do nice -n 20 openssl speed >/dev/null 2>&1 & done or for i in 1 2 3 4 ; do nice -n 20 cat /dev/zero > /dev/null & done will suffice, ...
user2497's user avatar
  • 679

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