Displaying 2 results from an estimated 2 matches for "x86'isms".
2016 Jul 20
2
[XRay] Build instrumented Clang, some analysis results
...something specific about Linux or it could be
> easily ported to another platform?
Currently, the only Linux-specific part I can remember is getting the cpu frequency (looking at sysfs files). That can be implemented on a platform-agnostic (or at least pluggable and portable) manner.
There are x86'isms and I'm working on understanding how to do this in Aarch64 or ARM.
>
> What's the benefit of this vs a stable and production ready tool like Dtrace?
>
I think I've pointed out the differences in a separate mail (some mail filters may have squashed that response, so...
2016 Jul 20
2
[XRay] Build instrumented Clang, some analysis results
Hi everyone,
TL;DR: With current pending patches applied in compiler-rt and llvm, and trunk clang, you can build your application with XRay tracing enabled on Linux with tracing enabled before main starts, and logging stops when the main thread exits.
Just a quick update, I have some patches under review that when applied cleanly to LLVM and compiler-rt allows for building applications with XRay