| # Copyright (C) 2013-2016 Free Software Foundation, Inc. |
| |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| # This test case is to test the performance of GDB doing stack |
| # backtrace. |
| # There is one parameter in this test: |
| # - BACKTRACE_DEPTH is the number of innermost frames that command |
| # 'bt' prints. |
| |
| load_lib perftest.exp |
| |
| if [skip_perf_tests] { |
| return 0 |
| } |
| |
| standard_testfile .c |
| set executable $testfile |
| set expfile $testfile.exp |
| |
| # make check-perf RUNTESTFLAGS='backtrace.exp BACKTRACE_DEPTH=1024' |
| if ![info exists BACKTRACE_DEPTH] { |
| set BACKTRACE_DEPTH 64 |
| } |
| |
| PerfTest::assemble { |
| global BACKTRACE_DEPTH |
| global srcdir subdir srcfile |
| |
| set compile_flags {debug} |
| lappend compile_flags "additional_flags=-DBACKTRACE_DEPTH=${BACKTRACE_DEPTH}" |
| |
| if { [gdb_compile "$srcdir/$subdir/$srcfile" ${binfile} executable $compile_flags] != ""} { |
| return -1 |
| } |
| |
| return 0 |
| } { |
| global binfile |
| |
| clean_restart $binfile |
| |
| if ![runto_main] { |
| fail "Can't run to main" |
| return -1 |
| } |
| |
| gdb_breakpoint "fun2" |
| gdb_continue_to_breakpoint "fun2" |
| |
| return 0 |
| } { |
| global BACKTRACE_DEPTH |
| |
| gdb_test "python BackTrace\($BACKTRACE_DEPTH\).run()" |
| |
| return 0 |
| } |