Callsites parser processing:
 ID Lev File/Address        Line Parent_Funct             MPI_Call
  1   0 0x8048ad5                [unknown]                Reduce
  2   0 0x8048a3b                [unknown]                Bcast

Aggregate parser is processing:
Call                 Site       Time    App%    MPI%     COV
Bcast                   2        9.5   24.71   65.75    0.59
Reduce                  1       4.95   12.87   34.25    1.35