Zachary Turner 4a289a93f7 Remove expectedFailureWindows decorator.
expectedFailureWindows is equivalent to using the general
expectedFailureAll decorator with oslist="windows".  Additionally,
by moving towards these common decorators we can solve the issue
of having to support decorators that can be called with or without
arguments.  Once all decorators are always called with arguments,
and this is enforced by design (because you can't specify the condition
you're decorating for without passing an argument) the implementation
of the decorators can become much simpler

Differential Revision: http://reviews.llvm.org/D16936

llvm-svn: 260134
2016-02-08 19:34:59 +00:00

82 lines
3.0 KiB
Python

"""Test lldb's startup delays creating a target, setting a breakpoint, and run to breakpoint stop."""
from __future__ import print_function
import os, sys
import lldb
from lldbsuite.test import configuration
from lldbsuite.test import lldbtest_config
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbbench import *
class StartupDelaysBench(BenchBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
BenchBase.setUp(self)
# Create self.stopwatch2 for measuring "set first breakpoint".
# The default self.stopwatch is for "create fresh target".
self.stopwatch2 = Stopwatch()
# Create self.stopwatch3 for measuring "run to breakpoint".
self.stopwatch3 = Stopwatch()
self.exe = lldbtest_config.lldbExec
self.break_spec = '-n main'
self.count = 30
@benchmarks_test
@no_debug_info_test
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr22274: need a pexpect replacement for windows")
def test_startup_delay(self):
"""Test start up delays creating a target, setting a breakpoint, and run to breakpoint stop."""
print()
self.run_startup_delays_bench(self.exe, self.break_spec, self.count)
print("lldb startup delay (create fresh target) benchmark:", self.stopwatch)
print("lldb startup delay (set first breakpoint) benchmark:", self.stopwatch2)
print("lldb startup delay (run to breakpoint) benchmark:", self.stopwatch3)
def run_startup_delays_bench(self, exe, break_spec, count):
import pexpect
# Set self.child_prompt, which is "(lldb) ".
self.child_prompt = '(lldb) '
prompt = self.child_prompt
# Reset the stopwatchs now.
self.stopwatch.reset()
self.stopwatch2.reset()
for i in range(count):
# So that the child gets torn down after the test.
self.child = pexpect.spawn('%s %s' % (lldbtest_config.lldbExec, self.lldbOption))
child = self.child
# Turn on logging for what the child sends back.
if self.TraceOn():
child.logfile_read = sys.stdout
with self.stopwatch:
# Create a fresh target.
child.sendline('file %s' % exe) # Aka 'target create'.
child.expect_exact(prompt)
with self.stopwatch2:
# Read debug info and set the first breakpoint.
child.sendline('breakpoint set %s' % break_spec)
child.expect_exact(prompt)
with self.stopwatch3:
# Run to the breakpoint just set.
child.sendline('run')
child.expect_exact(prompt)
child.sendline('quit')
try:
self.child.expect(pexpect.EOF)
except:
pass
# The test is about to end and if we come to here, the child process has
# been terminated. Mark it so.
self.child = None