Function freduce

deps/v8/tools/gc-nvp-trace-processor.py:274–275

(f, field, trace, init)

]

def freduce(f, field, trace, init):
  return reduce(lambda t,r: f(t, r[field]), trace, init)

def calc_total(trace, field):
  return freduce(lambda t,v: t + long(v), field, trace, long(0))