gdb/testsuite/gdb.perf/template-breakpoints.exp

   1 # Copyright (C) 2018-2021 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 when setting breakpoints
  17 # on heavily temlatized C++ code.
  18
  19 # Parameters:
  20 # EXPANSION_DEPTH: knob to control how many times template expansions occur
  21
  22 load_lib perftest.exp
  23
  24 if [skip_perf_tests] {
  25         return 0
  26 }
  27
  28 standard_testfile .cc
  29 set executable $testfile
  30 set expfile $testfile.exp
  31
  32 # make check-perf RUNTESTFLAGS='template-breakpoints.exp EXPANSION_DEPTH=40'
  33 if ![info exists EXPANSION_DEPTH] {
  34         set EXPANSION_DEPTH 40
  35 }
  36
  37 PerfTest::assemble {
  38         global EXPANSION_DEPTH
  39         global srcdir subdir srcfile
  40
  41         set compile_flags {c++ debug}
  42         lappend compile_flags "additional_flags=-DEXPANSION_DEPTH=${EXPANSION_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         return 0
  60 } {
  61
  62         gdb_test "python TemplateBreakpoints().run()"
  63
  64         return 0
  65 }