Rework the calltree top view by critical callchain. The percentage show is the sum of the cost for the codepath.
Rework the calltree top view by critical callchain.
The percentage show is the sum of the cost for the codepath.

MFC after: 1 week

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase