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