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# Copyright (C) 2013-2024 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
require allow_perf_tests
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] {
return -1
}
gdb_breakpoint "fun2"
gdb_continue_to_breakpoint "fun2"
return 0
} {
global BACKTRACE_DEPTH
gdb_test_python_run "BackTrace\($BACKTRACE_DEPTH\)"
return 0
}
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