Adding option -extended-rusage (prints user/sys time, for self and for
children)
commenting out new toploop stuff from Bob Zhang
for profiling: calling moncontrol just before forking, in order to stop
profiling at this point
adding files
Merge branch 'perf-instr' into perf-test
adding instrumentation module lm_instrument
improving instrumentation
instrumenting code
adding log file
added files