binutils-gdb/gdb/testsuite/gdb.perf/skip-prologue.py

43 lines
1.5 KiB
Python

# Copyright (C) 2013-2017 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 speed of GDB when it is analyzing the
# function prologue.
from perftest import perftest
class SkipPrologue(perftest.TestCaseWithBasicMeasurements):
def __init__(self, count):
super(SkipPrologue, self).__init__("skip-prologue")
self.count = count
def _test(self):
for _ in range(1, self.count):
# Insert breakpoints on function f1 and f2.
bp1 = gdb.Breakpoint("f1")
bp2 = gdb.Breakpoint("f2")
# Remove them.
bp1.delete()
bp2.delete()
def warm_up(self):
self._test()
def execute_test(self):
for i in range(1, 4):
gdb.execute("set code-cache off")
gdb.execute("set code-cache on")
self.measure.measure(self._test, i)