{
   Command_Static_Stuff
   Memcheck:Leak
   ...
   fun:_ZNSsC1EPKcRKSaIcE
   ...
}
{
   mongod-writes-uninitialized-data-for-preallocate
   Memcheck:Param
   write(buf)
   obj:/lib64/libpthread-2.14.90.so
   fun:_ZN5mongo7LogFile17synchronousAppendEPKvm
   fun:_ZN5mongo3dur20_preallocateIsFasterEv
   fun:_ZN5mongo3dur19preallocateIsFasterEv
   fun:_ZN5mongo3dur16preallocateFilesEv
   fun:_ZN5mongo3dur7startupEv
   fun:_ZN5mongo14_initAndListenEi
   fun:_ZN5mongo13initAndListenEi
   fun:main
}