diff options
| -rw-r--r-- | lldb/test/benchmarks/frame_variable/TestFrameVariableResponse.py | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/lldb/test/benchmarks/frame_variable/TestFrameVariableResponse.py b/lldb/test/benchmarks/frame_variable/TestFrameVariableResponse.py new file mode 100644 index 00000000000..03cc09d0a32 --- /dev/null +++ b/lldb/test/benchmarks/frame_variable/TestFrameVariableResponse.py @@ -0,0 +1,79 @@ +"""Test lldb's response time for 'frame variable' command.""" + +import os, sys +import unittest2 +import lldb +import pexpect +from lldbbench import * + +class FrameVariableResponseBench(BenchBase): + + mydir = os.path.join("benchmarks", "frame_variable") + + def setUp(self): + BenchBase.setUp(self) + if lldb.bmExecutable: + self.exe = lldb.bmExecutable + else: + self.exe = self.lldbHere + if lldb.bmBreakpointSpec: + self.break_spec = lldb.bmBreakpointSpec + else: + self.break_spec = '-n main' + + self.count = lldb.bmIterationCount + if self.count <= 0: + self.count = 20 + + @benchmarks_test + def test_startup_delay(self): + """Test response time for the 'frame variable' command.""" + print + self.run_frame_variable_bench(self.exe, self.break_spec, self.count) + print "lldb frame variable benchmark:", self.stopwatch + + def run_frame_variable_bench(self, exe, break_spec, count): + # Set self.child_prompt, which is "(lldb) ". + self.child_prompt = '(lldb) ' + prompt = self.child_prompt + + # Reset the stopwatchs now. + self.stopwatch.reset() + for i in range(count): + # So that the child gets torn down after the test. + self.child = pexpect.spawn('%s %s %s' % (self.lldbHere, self.lldbOption, exe)) + child = self.child + + # Turn on logging for what the child sends back. + if self.TraceOn(): + child.logfile_read = sys.stdout + + # Set our breakpoint. + child.sendline('breakpoint set %s' % break_spec) + child.expect_exact(prompt) + + # Run the target and expect it to be stopped due to breakpoint. + child.sendline('run') # Aka 'process launch'. + child.expect_exact(prompt) + + with self.stopwatch: + # Measure the 'frame variable' response time. + child.sendline('frame variable') + 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 + + +if __name__ == '__main__': + import atexit + lldb.SBDebugger.Initialize() + atexit.register(lambda: lldb.SBDebugger.Terminate()) + unittest2.main() |
