# from libpcp/src/pdu.c ...
#   __pmPDUCntIn[] and __pmPDUCntOut[] are diagnostic counters that are
#   maintained with non-atomic updates ... we've decided that it is
#   acceptable for their values to be subject to possible (but unlikely)
#   missed updates
#
{
   pdu counter updates
   Helgrind:Race
   fun:__pmGetPDU
   ...
}
{
   pdu counter updates
   Helgrind:Race
   fun:__pmXmitPDU
   ...
}

# similar case for libpcp/src/logutil.c ...
#  __pmLogReads is a diagnostic counter that is maintained with
#  non-atomic updates ... we've decided that it is acceptable for the
#  value to be subject to possible (but unlikely) missed updates
{
   log read counter updates
   Helgrind:Race
   fun:__pmLogRead_ctx
   ...
}

# glibc problem ...
# at 0x598156C: ??? (in /lib/i386-linux-gnu/libgcc_s.so.1)
# by 0x405388D: pthread_once (pthread_once.S:122)
# by 0x598312D: ??? (in /lib/i386-linux-gnu/libgcc_s.so.1)
# by 0x598371D: _Unwind_ForcedUnwind (in /lib/i386-linux-gnu/libgcc_s.so.1)
# by 0x40570C1: _Unwind_ForcedUnwind (unwind-forcedunwind.c:132)
# by 0x4054BC7: __pthread_unwind (unwind.c:130)
# by 0x404ED0F: pthread_exit (pthreadP.h:265)
# by 0x8049149: func (multithread1.c:129)
{
   glibc _Unwind_ForcedUnwind race
   Helgrind:Race
   obj:/lib/i386-linux-gnu/libgcc_s.so.1
}
