Rr Alternatives
Similar projects and alternatives to rr
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SonarQube
Static code analysis for 29 languages.. Your projects are multi-language. So is SonarQube analysis. Find Bugs, Vulnerabilities, Security Hotspots, and Code Smells so you can release quality code every time. Get started analyzing your projects today for free.
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quickjs-emscripten
Javascript/Typescript bindings for QuickJS, a modern Javascript interpreter written in C by Fabrice Bellard.
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Scout APM
Less time debugging, more time building. Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.
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Module Linker
browse modules by clicking directly on "import" statements on GitHub
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proposal-ptc-syntax
Discussion and specification for an explicit syntactic opt-in for Tail Calls.
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Octavian.jl
Multi-threaded BLAS-like library that provides pure Julia matrix multiplication
rr reviews and mentions
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Heisenbugs: The most elusive kind of bug, and how to capture them with Perfect Replayability
Why not build this feature on top of rr?
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Perfect Replayability
So basically rr?
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AMD drivers are not perfect and NVIDIA is way better for ML & streaming
Even recommending AMD CPU is wrong without knowing full use case of user, I bought AMD and this doesn't work for years https://github.com/rr-debugger/rr/pull/2671 and a good deal of software which depends on performance counters and Virtualization. Intel is still better when it comes to software. Thankfully, most thing are fixed nowadays.
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What happened to proper tail calls in JavaScript? (2021)
For execution, a stack is a continuation. For debugging, we pretend like it's a historical record, and mostly get away with it. Various things break the correspondence slightly. TCO breaks it a lot more.
Debugging is important. It doesn't get enough respect. Stacks are a pretty critical component of debugging, for better or worse.
It would be great if we didn't depend on this fiction quite so much. With native code, there are definitely alternative options now, such as rr[1] and Pernosco[2] where if you want to look back in time—well, you just go back in time. For JavaScript, that's becoming more and more possible with things like Replay[3]. Perhaps before long, the debugging argument will just go away.
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what do you do when you segfault in a weird place and have no idea why ?
One of the most known time travel debuggers is rr. Basically, when the program runs, it records a trace, and after it crashes, it allows you to step backwards in time to see where the problem originated from.
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Hacker News top posts: Jun 4, 2022
Rr\ (37 comments)
- Rr (Rr)
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Rr
rr numbers each 'event' it records, and you can pass an event number to the gdb 'run' command to tell it to start from that event. Recent 'rr' now also supports the -e option to replay meaning 'start the debug session pointing at the last recorded event, whatever that was'. Details in the usage page: https://github.com/rr-debugger/rr/wiki/Usage
AIUI you get 'start at an event' basically for free, because 'step backward' is implemented as 'start at the preceding event and then step forward by N', so events are frequent in the trace and the machinery to get to that point without running all the way from the start of the debug session exists anyway. There's some stuff on the website about how this is all implemented, I think.
- rr, new C/C++ debugging tool for Linux
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Traces vs. Snapshots: Print Statements and Debuggers
The author really should look into rr, a debugger that records the complete execution of the program so you can literally travel backwards in time to see the root cause of a crash.
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You say “cave dweller debugging”, I say debug logging
You can debug programs that ran in the past using debuggers like rr[0], which support both recording execution for later debugging, or stepping backward in a running process.
Stats
rr-debugger/rr is an open source project licensed under GNU General Public License v3.0 or later which is an OSI approved license.
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