1# Copyright (C) 2015-2021 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# Measure speed of ptype of a std::string object. 17# The difference between this test and gmonster-print-cerr.py is that 18# here we are working with fully expanded symtabs. GDB searches 19# these before it searches the index (there is work-in-progress to fix this), 20# this test helps measure the issue. 21 22from perftest import perftest 23from perftest import measure 24from perftest import utils 25 26 27class GmonsterPtypeString(perftest.TestCaseWithBasicMeasurements): 28 def __init__(self, name, run_names, binfile): 29 super(GmonsterPtypeString, self).__init__(name) 30 self.run_names = run_names 31 self.binfile = binfile 32 33 def warm_up(self): 34 pass 35 36 def execute_test(self): 37 for run in self.run_names: 38 this_run_binfile = "%s-%s" % (self.binfile, utils.convert_spaces(run)) 39 utils.select_file(this_run_binfile) 40 utils.runto_main() 41 utils.safe_execute("mt expand-symtabs") 42 iteration = 5 43 while iteration > 0: 44 utils.safe_execute("mt flush symbol-cache") 45 func1 = lambda: utils.safe_execute("ptype hello") 46 func = lambda: utils.run_n_times(2, func1) 47 self.measure.measure(func, run) 48 iteration -= 1 49