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| 1 # Copyright (C) 2013 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 global BACKTRACE_DEPTH |
| 63 |
| 64 gdb_test "python BackTrace\($BACKTRACE_DEPTH\).run()" |
| 65 |
| 66 } |
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