Dehao explained that the data needs to merged during link time to give meaningful diagnostics.
Ok for google branch. David On Wed, Mar 12, 2014 at 3:55 PM, Xinliang David Li <davi...@google.com> wrote: > Why is it not enough to emit warnings during build time when source > code changes signifcantly? > > David > > On Tue, Mar 11, 2014 at 4:27 PM, Dehao Chen <de...@google.com> wrote: >> During AutoFDO annotation, we want to record the annotation stats into >> an elf section, so that we can calculate how much percentage of the >> profile is annotated, which can be used as an indicator whether code >> has changed significantly comparing with the profiled source. >> >> Bootstrapped and performance test on-going. >> >> OK for google-4_8? >> >> Thanks, >> Dehao
