Andreas Jonson

my hope was to not need to do this, do not know how mush difference it makes when I use the BufWriter (default 8kb write buffer) maybe can make it...

or you are talking about if two threads try to trace at the same time one thread is blocking the other

I was hacking in the [llvm support](https://github.com/andjo403/rust/tree/llvmProfiler) in rustc yesterday to see what was possible to see but I do not know if chrome tracing was best format, also it...

have made an POC with adding the clang time-trace feature in the self-profiling but do not know if it is something that can be up streamed can find the code...