1# Copyright (C) 2013-2020 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 fail "can't run to main" 48 return -1 49 } 50 return 0 51} { 52 global SINGLE_STEP_COUNT 53 54 gdb_test_no_output "python SingleStep\(${SINGLE_STEP_COUNT}\).run()" 55 # Terminate the loop. 56 gdb_test "set variable flag = 0" 57 return 0 58} 59