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Profiling data structure
2017 Oct 25
4
Profiling data structure
...e code in compiler_rt/libs/profile I've been able to craft something that seems to do something sensible. I have however a couple of questions: - The "Values" field in __llvm_profile_data always seems to be NULL. Is this expected? What/why could cause this? - The fields in the NumValueSites array inside of __llvm_profile_data also seem to always be 0. - Since what I'm coding is a decoupled replacement for the profiling runtime inside of compiler_rt, is there anyway that at compile or run time I can fetch the version of the profiling data? I'm mostly worried tha...
Profiling data structure
2017 Oct 26
2
Profiling data structure
On Wed, Oct 25, 2017 at 09:13:54AM -0700, Xinliang David Li wrote: > On Wed, Oct 25, 2017 at 12:26 AM, Roger Pau Monné via llvm-dev < > llvm-dev at lists.llvm.org> wrote: > > > Hello, > > > > I've been working on implementing some basic functionality in order to > > use the llvm profiling functionality inside of a kernel (the Xen > > hypervisor).