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Overview
Fast, fun, omniscient debugging. Record failures anywhere, rapidly debug recordings using the revolutionary Pernosco omniscient debugger, and share your recordings and debugging state with other developers.
News
Tackling the C++ debugging UI nightmare with Pernosco
The full unambiguous names of C++ functions and variables include type names and namespace names, which makes them verbose. This is especially true with heavy use of templates because the type names include template parameter names (recursively). The chal
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New features in Linux 6.10 contributed by Pernosco
The Linux 6.10 kernel release contains two new features in the perf event subsystem contributed by Pernosco. These features are intended to benefit rr (and thus Pernosco), but they also have broader applications if adopted by other software. In this blog
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ELF symbol interposition and RTLD_LOCAL
You may be familiar with " the LD_PRELOAD trick ". This "trick" is used to implement things like heaptrack . By interposing a third library between an application and libc's malloc/free you can track the state of the heap and recognize errors like double
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The Pernosco vision
Many software developers spend a lot of time debugging. We believe debugging technology is in its infancy and improved debugging tools can significantly increase the productivity of even the best developers. Even state-of-the-art debugging tools like rr o
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Shrink Your Compile Times With Split DWARF
What if you could reduce the time it takes to link your program by 25%, reduce the memory it takes to link your program by 40%, and reduce the size of the binary by 50%, all by changing a compiler flag? That's the power of "split DWARF", a compiler and de
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