text: # Copyright (C) 2013-2020 Free Software Foundation, Inc.
  
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
  # the Free Software Foundation; either version 3 of the License, or
  # (at your option) any later version.
  #
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  # This test case is to test the speed of GDB when it is handling the
  # shared libraries of inferior are loaded and unloaded.
  
  from perftest import perftest
  from perftest import measure
  
  class SolibLoadUnload1(perftest.TestCaseWithBasicMeasurements):
      def __init__(self, solib_count, measure_load):
          if measure_load:
              name = "solib_load"
          else:
              name = "solib_unload"
          # We want to measure time in this test.
          super (SolibLoadUnload1, self).__init__ (name)
          self.solib_count = solib_count
          self.measure_load = measure_load
  
      def warm_up(self):
          do_test_load = "call do_test_load (%d)" % self.solib_count
          do_test_unload = "call do_test_unload (%d)" % self.solib_count
          gdb.execute(do_test_load)
          gdb.execute(do_test_unload)
  
      def execute_test(self):
          num = self.solib_count
          iteration = 5;
  
          while num > 0 and iteration > 0:
              # Do inferior calls to do_test_load and do_test_unload in pairs,
              # but measure differently.
              if self.measure_load:
                  do_test_load = "call do_test_load (%d)" % num
                  func = lambda: gdb.execute (do_test_load)
  
                  self.measure.measure(func, num)
  
                  do_test_unload = "call do_test_unload (%d)" % num
                  gdb.execute (do_test_unload)
  
              else:
                  do_test_load = "call do_test_load (%d)" % num
                  gdb.execute (do_test_load)
  
                  do_test_unload = "call do_test_unload (%d)" % num
                  func = lambda: gdb.execute (do_test_unload)
  
                  self.measure.measure(func, num)
  
              num = num / 2
              iteration -= 1
  
  class SolibLoadUnload(object):
      def __init__(self, solib_count):
          self.solib_count = solib_count;
  
      def run(self):
          SolibLoadUnload1(self.solib_count, True).run()
          SolibLoadUnload1(self.solib_count, False).run()
  