> > David
> > 
> > > this happens when running perf as the same process as the process and
> > > when running perf as root.
> 
> yep, works for me as well:
> 
> [acme@emilia ~]$ cat vsyscall.c

after including unistd.h, this compiles and works fine. however i cannot profile 
any multithreaded program. does this work for you?

tim

-- 
tim@klingt.org
http://tim.klingt.org

The most wonderful opportunity which life offers is to be human.
  Henry Miller