fnegrini
Performance and analysis tools
Hello,
I’m looking for performance and analysis tools for my Erlang program which can give me real time information such as:
- Memory usage
- CPU usage (Percentage per core)
- Processes count per core
- Others…
Sugestions?
Thanks!
Most Liked
jola
As you’ve asked for real time information, such as process count per core, I’m assuming you’re asking for monitoring tools rather than benchmarking. Erlang comes with some built in tools, there’s also some you can add through hex.
etop
Command: :etop.start
Starts an in terminal UI similar to the unix top command. Does for processes in the VM what top does for processes in eg a linux system.
observer
Command: :observer.start
Starts a windowed application that displays a huge amount of information on the running VM, including memory, processes, load, process trees, and lots of other stuff.
observer-cli
An upgraded version of etop with lots of information, can be installed through hex. Possible to run remotely.
https://github.com/zhongwencool/observer_cli
recon
This is a collection of tools used to get more information on your system, useful for debugging problematic systems.
binaryseed
PragTob
So yes benchee is more for measuring performance before something goes live or for testing out multiple approaches locally, from what I understand you want to have more of an introspection into the running system. @jola offered multiple great solutions there.
Adopting Elixir, which is great, has a chapter about Metrics and instrumenting your system.
Other projects they mention as being used in the wild:
- exometer for pushing performance data to services such as Data Dog
- football addicts has their own write up of how they use Telegraf, InfluxDB and Grafana
- Prometheus and Grafana is yet another choice
I like whole Application Performance Monitoring Solutions in the SaaS space such as:
- AppSignal
- Scout
- wombatoam
- there are some community developed agents for NewRelic, not sure how good they are 1 2
And for even more options you could take a look at some of our previous threads on the subject:
Last Post!
PragTob
Interesting, I didn’t know and always wondered why they didn’t have one 
Thanks for letting us know!
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