1# Copyright (C) 2013-2023 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 doing singe step.
17# There is one parameter in this test:
18#  - SINGLE_STEP_COUNT is the number of single step GDB performs.
19
20load_lib perftest.exp
21
22if [skip_perf_tests] {
23    return 0
24}
25
26standard_testfile .c
27set executable $testfile
28set expfile $testfile.exp
29
30# make check-perf RUNTESTFLAGS='single-step.exp SINGLE_STEP_COUNT=300'
31if ![info exists SINGLE_STEP_COUNT] {
32    set SINGLE_STEP_COUNT 1000
33}
34
35PerfTest::assemble {
36    global srcdir subdir srcfile binfile
37
38    if { [gdb_compile "$srcdir/$subdir/$srcfile" ${binfile} executable {debug}] != "" } {
39	return -1
40    }
41    return 0
42} {
43    global binfile
44    clean_restart $binfile
45
46    if ![runto_main] {
47	return -1
48    }
49    return 0
50} {
51    global SINGLE_STEP_COUNT
52
53    gdb_test_python_run "SingleStep\(${SINGLE_STEP_COUNT}\)"
54    # Terminate the loop.
55    gdb_test "set variable flag = 0"
56    return 0
57}
58