perf-map-agent
otto
perf-map-agent | otto | |
---|---|---|
3 | 9 | |
1,622 | 7,856 | |
1.0% | - | |
10.0 | 5.0 | |
over 3 years ago | 8 days ago | |
C | Go | |
GNU General Public License v3.0 only | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
perf-map-agent
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Launch perf-map-agent with executable instead of pid
Is there a way to launch perf-map-agent's script perf-java-flames with a process executable instead of first launching the executable and then monitoring it's pid? By monitoring the pid, I think we are skipping some of the scripts launched at startup.
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Wazero: The zero dependency WebAssembly runtime for Go developers
I don't know enough about wasm runtimes, but for example JIT runtimes like nodejs (or JVM via perf-map-agent [0]) allow writing out debug infos via the Linux Kernel JIT-Interface [1], which debuggers and profilers can then pick up to symbolize stack traces.
[0] https://github.com/jvm-profiling-tools/perf-map-agent
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Fantastic Symbols and Where to Find Them - Part 2
The runtimes usually don't enable providing symbol mappings by default. You might need to change a configuration, run the virtual machine with a specific flag/environment variable or run an additional program to obtain these mappings. For example, JVM needs an agent to provide supplemental symbol mapping files, called perf-map-agent.
otto
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SSR React in Go
robertkrimen/otto
- A very simple javascript type system in golang
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Jacobin: Minimal JVM written in Go and capable of running Java 17 classes
Ummm, excuse me, but where the f&$k has this been hiding? I’ve been looking for ways to extend my go applications with scripting support. I started with Lua (worked ) then Python (worked but hacky) then javascript using otto [1]. However it lacks ES6 support so having pretty OOP js code is a non-starter. I would love to have Java as a runtime that can be executed from goroutines.
[1] https://github.com/robertkrimen/otto
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Running a Js file inside Go
Either call a JavaScript interpreter like node with exec.Command and read its stdout, or use a pure Go JavaScript interpreter like goja or otto.
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Suggestion for a dynamic Struct Validation Rules
Otto https://github.com/robertkrimen/otto Seems interesting. It lets me call Go functions from inside JS as well as return results. The fncs pattern reminds me a bit of how the template engine works.
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Wazero: The zero dependency WebAssembly runtime for Go developers
> why host other languages
Here's an example:
I recently finished building https://subzo.com.au which allows customizing and ordering 3D models. The way the model's cost, volume and other attributes are calculated needs to be done both on the frontend (for speed) and on the backend (to validate). Backend is in Go and we can't practically run Go in the browser. So instead, I wrote the calculation snippets in JavaScript (which runs natively in the browser) and ran them on the backend on a JavaScript VM library written in Go [1].
[1]: https://github.com/robertkrimen/otto
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Choosing scripting extension - need advice
Googling suggests https://github.com/robertkrimen/otto which allows scripting in javascript for golang projects. This would be definitely enough, but in some way it may be a bit overkill - and scripts supporter shall need some knowledge of javascript which is not always straightforward :)
- I Need to Find an Apartment
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I write my own web desktop OS for 3 years and this is what it looks like now
It doesn't make sense to ask the user (aka me) to change the code every time I want to modify any web apps right? So I decided to split the webapps into two parts. WebApps are those only require basic permissions and do not interact with the host OS. They will be run inside a sandbox created using ECMA5 VM called Otto. The other type is called Subservice, in which it will need extra permission to interact with the OS and require higher level of access to the backend file system.
What are some alternatives?
parca-agent - eBPF based always-on profiler auto-discovering targets in Kubernetes and systemd, zero code changes or restarts needed!
goja - ECMAScript/JavaScript engine in pure Go
rbspy - Sampling CPU profiler for Ruby
go-duktape - [abandoned] Duktape JavaScript engine bindings for Go
wapc-go - Golang-based WebAssembly Host Runtime for waPC-compliant modules
gopher-lua - GopherLua: VM and compiler for Lua in Go
karmem - Karmem is a fast binary serialization format, faster than Google Flatbuffers and optimized for TinyGo and WASM.
tengo - A fast script language for Go
go-php - PHP bindings for the Go programming language (Golang)
go-lua - A Lua VM in Go
anko - Scriptable interpreter written in golang
expr - Expression language and expression evaluation for Go [Moved to: https://github.com/expr-lang/expr]