gdb/testsuite/gdb.perf/single-step.py

   1 # Copyright (C) 2013-2015 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 from perftest import perftest
  17
  18 class SingleStep (perftest.TestCaseWithBasicMeasurements):
  19     def __init__(self, step):
  20         super (SingleStep, self).__init__ ("single-step")
  21         self.step = step
  22
  23     def warm_up(self):
  24         for _ in range(0, self.step):
  25             gdb.execute("stepi", False, True)
  26
  27     def _run(self, r):
  28         for _ in range(0, r):
  29             gdb.execute("stepi", False, True)
  30
  31     def execute_test(self):
  32         for i in range(1, 5):
  33             func = lambda: self._run(i * self.step)
  34             self.measure.measure(func, i * self.step)