Add missing metrics (LLNL#594)

Author: daboehme

src/caliper/controllers/controllers.cpp

@@ -598,6 +598,8 @@ const char* builtin_option_specs = R"json(
          "min(min#total.recv.count) as \"Recvs (min)\"",
          "max(max#total.recv.count) as \"Recvs (max)\"",
          "min(min#total.dest.ranks) as \"Dst ranks (min)\"",
+         "max(max#total.dest.ranks) as \"Dst ranks (max)\"",
+         "min(min#total.src.ranks)  as \"Src ranks (min)\"",
          "max(max#total.src.ranks)  as \"Src ranks (max)\"",
          "max(max#total.coll.count) as \"Collectives (max)\"",
          "min(min#mpi.send.size) as \"Bytes sent (min)\"",
@@ -614,6 +616,8 @@ const char* builtin_option_specs = R"json(
          "min(min#min#total.recv.count) as \"Recvs (min)\"",
          "max(max#max#total.recv.count) as \"Recvs (max)\"",
          "min(min#min#total.dest.ranks) as \"Dst ranks (min)\"",
+         "max(max#max#total.dest.ranks) as \"Dst ranks (max)\"",
+         "min(min#min#total.src.ranks)  as \"Src ranks (min)\"",
          "max(max#max#total.src.ranks)  as \"Src ranks (max)\"",
          "max(max#max#total.coll.count) as \"Coll (max)\"",
          "min(min#min#mpi.send.size) as \"Bytes sent (min)\"",