1# Copyright (C) 2013-2019 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# This test case is to test the speed of GDB when it is handling the 17# shared libraries of inferior are loaded and unloaded. 18 19from perftest import perftest 20from perftest import measure 21 22class SolibLoadUnload1(perftest.TestCaseWithBasicMeasurements): 23 def __init__(self, solib_count, measure_load): 24 if measure_load: 25 name = "solib_load" 26 else: 27 name = "solib_unload" 28 # We want to measure time in this test. 29 super (SolibLoadUnload1, self).__init__ (name) 30 self.solib_count = solib_count 31 self.measure_load = measure_load 32 33 def warm_up(self): 34 do_test_load = "call do_test_load (%d)" % self.solib_count 35 do_test_unload = "call do_test_unload (%d)" % self.solib_count 36 gdb.execute(do_test_load) 37 gdb.execute(do_test_unload) 38 39 def execute_test(self): 40 num = self.solib_count 41 iteration = 5; 42 43 while num > 0 and iteration > 0: 44 # Do inferior calls to do_test_load and do_test_unload in pairs, 45 # but measure differently. 46 if self.measure_load: 47 do_test_load = "call do_test_load (%d)" % num 48 func = lambda: gdb.execute (do_test_load) 49 50 self.measure.measure(func, num) 51 52 do_test_unload = "call do_test_unload (%d)" % num 53 gdb.execute (do_test_unload) 54 55 else: 56 do_test_load = "call do_test_load (%d)" % num 57 gdb.execute (do_test_load) 58 59 do_test_unload = "call do_test_unload (%d)" % num 60 func = lambda: gdb.execute (do_test_unload) 61 62 self.measure.measure(func, num) 63 64 num = num / 2 65 iteration -= 1 66 67class SolibLoadUnload(object): 68 def __init__(self, solib_count): 69 self.solib_count = solib_count; 70 71 def run(self): 72 SolibLoadUnload1(self.solib_count, True).run() 73 SolibLoadUnload1(self.solib_count, False).run() 74