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95c453a221
For convenience, we had added the folder that dotest.py was in to sys.path, so that we could easily write things like `import lldbutil` from anywhere and any test. This introduces a subtle problem when using Python's package system, because when unittest2 imports a particular test suite, the test suite is detached from the package. Thus, writing "import lldbutil" from dotest imports it as part of the package, and writing the same line from a test does a fresh import since the importing module was not part of the same package. The real way to fix this is to use absolute imports everywhere. Instead of writing "import lldbutil", we need to write "import lldbsuite.test.util". This patch fixes up that and all other similar cases, and additionally removes the script directory from sys.path to ensure that this can't happen again. llvm-svn: 251886
96 lines
3.4 KiB
Python
96 lines
3.4 KiB
Python
"""Disassemble lldb's Driver::MainLoop() functions comparing Xcode 4.1 vs. 4.2's gdb."""
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from __future__ import print_function
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import use_lldb_suite
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import os, sys
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import lldb
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from lldbsuite.test.lldbbench import *
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class XCode41Vs42GDBDisassembly(BenchBase):
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mydir = TestBase.compute_mydir(__file__)
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def setUp(self):
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BenchBase.setUp(self)
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self.gdb_41_exe = '/Xcode41/usr/bin/gdb'
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self.gdb_42_exe = '/Developer/usr/bin/gdb'
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self.exe = lldbtest_config.lldbExec
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self.function = 'Driver::MainLoop()'
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self.gdb_41_avg = None
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self.gdb_42_avg = None
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self.count = lldb.bmIterationCount
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if self.count <= 0:
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self.count = 5
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@benchmarks_test
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@no_debug_info_test
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@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
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def test_run_41_then_42(self):
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"""Test disassembly on a large function with 4.1 vs. 4.2's gdb."""
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print()
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self.run_gdb_disassembly(self.gdb_41_exe, self.exe, self.function, self.count)
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print("4.1 gdb benchmark:", self.stopwatch)
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self.gdb_41_avg = self.stopwatch.avg()
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self.run_gdb_disassembly(self.gdb_42_exe, self.exe, self.function, self.count)
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print("4.2 gdb benchmark:", self.stopwatch)
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self.gdb_42_avg = self.stopwatch.avg()
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print("gdb_42_avg/gdb_41_avg: %f" % (self.gdb_42_avg/self.gdb_41_avg))
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@benchmarks_test
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@no_debug_info_test
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@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
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def test_run_42_then_41(self):
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"""Test disassembly on a large function with 4.1 vs. 4.2's gdb."""
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print()
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self.run_gdb_disassembly(self.gdb_42_exe, self.exe, self.function, self.count)
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print("4.2 gdb benchmark:", self.stopwatch)
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self.gdb_42_avg = self.stopwatch.avg()
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self.run_gdb_disassembly(self.gdb_41_exe, self.exe, self.function, self.count)
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print("4.1 gdb benchmark:", self.stopwatch)
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self.gdb_41_avg = self.stopwatch.avg()
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print("gdb_42_avg/gdb_41_avg: %f" % (self.gdb_42_avg/self.gdb_41_avg))
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def run_gdb_disassembly(self, gdb_exe_path, exe, function, count):
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import pexpect
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# Set self.child_prompt, which is "(gdb) ".
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self.child_prompt = '(gdb) '
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prompt = self.child_prompt
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# So that the child gets torn down after the test.
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self.child = pexpect.spawn('%s --nx %s' % (gdb_exe_path, exe))
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child = self.child
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# Turn on logging for what the child sends back.
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if self.TraceOn():
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child.logfile_read = sys.stdout
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child.expect_exact(prompt)
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child.sendline('break %s' % function)
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child.expect_exact(prompt)
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child.sendline('run')
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child.expect_exact(prompt)
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# Reset the stopwatch now.
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self.stopwatch.reset()
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for i in range(count):
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with self.stopwatch:
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# Disassemble the function.
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child.sendline('disassemble')
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child.expect_exact(prompt)
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child.sendline('next')
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child.expect_exact(prompt)
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child.sendline('quit')
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child.expect_exact('The program is running. Exit anyway?')
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child.sendline('y')
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try:
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self.child.expect(pexpect.EOF)
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except:
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pass
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if self.TraceOn():
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print("gdb disassembly benchmark:", str(self.stopwatch))
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self.child = None
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