rbspy
heapy
rbspy | heapy | |
---|---|---|
11 | 2 | |
2,460 | 215 | |
0.2% | 1.9% | |
8.6 | 0.0 | |
12 days ago | 11 months ago | |
Rust | Ruby | |
MIT License | MIT License |
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rbspy
- rbspy: A Sampling CPU Profiler for Ruby
- Flameshow: A Terminal Flamegraph Viewer
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When counting lines in Ruby randomly failed SerpApi deployments
We used rbspy to generate the flamegraph:
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EventMachine Performance Spikes
You could use rbspy to profile the EventMachine process as it's doing the workload, and try to see there where most of the time is being spent.
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Rails Resque - AWS ECS task randomly stuck
Not sure what your issue is and you got some of this info from strace, but FYI rbspy can also help profile where a running Ruby process is spending its time: https://rbspy.github.io/. I think it's a little more helpful than strace in that it should bring it back to Ruby code rather than just showing the raw syscalls.
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Optimizing your tests in 5 steps
Even the most general profiler tool will show you each statement's accumulated time. These are called statistical profilers and give you a panoramic view of what the test is doing. An example of such a profiler is rbspy:
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Fantastic Symbols and Where to Find Them - Part 2
As a result, you need to craft a specific routine for each interpreter runtime (in some cases, each version of that runtime) to obtain symbol information. Educated eyes might have already noticed, it's not an easy undertaking considering the sheer amount of interpreted languages out there. For example, a very well known Ruby profiler, rbspy, generates code for reading internal structs of the Ruby runtime for each version.
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How to use strace on threads managed by supervisor? i.e. i want to ´supervisorctl restart someService´ and strace someService.
For production, it depends on what the process is built with. There are possibly better tracing tools than just strace. For example Java has JMX, Go has pprof. There's also things like rbspy for Ruby.
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Why Is JRuby Slow?
I was a bit surprised to find out that the tool used to generate the flamegraph for Ruby (rbspy [1]) is written in Rust. lol
[1] https://github.com/rbspy/rbspy
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Profiling Rails app that uses websockets
Maybe https://github.com/rbspy/rbspy would allow you to profile the running ruby process handling web sockets?
heapy
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When counting lines in Ruby randomly failed SerpApi deployments
We used the awesome heap-profiler and heapy Ruby gems to profile memory usage.
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Tracking a Ruby memory leak in 2021
And https://github.com/schneems/heapy
What are some alternatives?
flamegraph - Easy flamegraphs for Rust projects and everything else, without Perl or pipes <3
harb - Ruby 2.x objspace heap dump analyzer
bcc - BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more
parca-agent - eBPF based always-on profiler auto-discovering targets in Kubernetes and systemd, zero code changes or restarts needed!
perf-map-agent - A java agent to generate method mappings to use with the linux `perf` tool
ruby-ll
stackprof - a sampling call-stack profiler for ruby 2.2+
parca-demo - A collection of languages and frameworks profiled by Parca and Parca agent
flamescope - FlameScope is a visualization tool for exploring different time ranges as Flame Graphs.
lexbor - Lexbor is development of an open source HTML Renderer library. https://lexbor.com
austin-tui - The top-like text-based user interface for Austin
nokogiri-rust - Ruby FFI wrapper around scraper crate to be used instead of Nokogiri. Status: proof of concept.