1# Copyright (C) 2018-2021 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# This test case is to test the performance of GDB when setting breakpoints
17# on heavily temlatized C++ code.
18
19# Parameters:
20# EXPANSION_DEPTH: knob to control how many times template expansions occur
21
22load_lib perftest.exp
23
24if [skip_perf_tests] {
25	return 0
26}
27
28standard_testfile .cc
29set executable $testfile
30set expfile $testfile.exp
31
32# make check-perf RUNTESTFLAGS='template-breakpoints.exp EXPANSION_DEPTH=40'
33if ![info exists EXPANSION_DEPTH] {
34	set EXPANSION_DEPTH 40
35}
36
37PerfTest::assemble {
38	global EXPANSION_DEPTH
39	global srcdir subdir srcfile
40
41	set compile_flags {c++ debug}
42	lappend compile_flags "additional_flags=-DEXPANSION_DEPTH=${EXPANSION_DEPTH}"
43
44	if { [gdb_compile "$srcdir/$subdir/$srcfile" ${binfile} executable $compile_flags] != ""} {
45		return -1
46	}
47
48	return 0
49} {
50	global binfile
51
52	clean_restart $binfile
53
54	if ![runto_main] {
55		fail "can't run to main"
56		return -1
57	}
58
59	return 0
60} {
61
62	gdb_test "python TemplateBreakpoints().run()"
63
64	return 0
65}
66