| 1 | # Copyright (C) 2013-2018 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 doing stack |
| 17 | # backtrace. |
| 18 | # There is one parameter in this test: |
| 19 | # - BACKTRACE_DEPTH is the number of innermost frames that command |
| 20 | # 'bt' prints. |
| 21 | |
| 22 | load_lib perftest.exp |
| 23 | |
| 24 | if [skip_perf_tests] { |
| 25 | return 0 |
| 26 | } |
| 27 | |
| 28 | standard_testfile .c |
| 29 | set executable $testfile |
| 30 | set expfile $testfile.exp |
| 31 | |
| 32 | # make check-perf RUNTESTFLAGS='backtrace.exp BACKTRACE_DEPTH=1024' |
| 33 | if ![info exists BACKTRACE_DEPTH] { |
| 34 | set BACKTRACE_DEPTH 64 |
| 35 | } |
| 36 | |
| 37 | PerfTest::assemble { |
| 38 | global BACKTRACE_DEPTH |
| 39 | global srcdir subdir srcfile |
| 40 | |
| 41 | set compile_flags {debug} |
| 42 | lappend compile_flags "additional_flags=-DBACKTRACE_DEPTH=${BACKTRACE_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 | gdb_breakpoint "fun2" |
| 60 | gdb_continue_to_breakpoint "fun2" |
| 61 | |
| 62 | return 0 |
| 63 | } { |
| 64 | global BACKTRACE_DEPTH |
| 65 | |
| 66 | gdb_test "python BackTrace\($BACKTRACE_DEPTH\).run()" |
| 67 | |
| 68 | return 0 |
| 69 | } |