38f9daa303
Add a '-y count' option to the test driver for this purpose. An example: $ ./dotest.py -v -y 25 +b -p TestDisassembly.py ... ---------------------------------------------------------------------- Collected 2 tests 1: test_run_gdb_then_lldb (TestDisassembly.DisassembleDriverMainLoop) Test disassembly on a large function with lldb vs. gdb. ... gdb benchmark: Avg: 0.226305 (Laps: 25, Total Elapsed Time: 5.657614) lldb benchmark: Avg: 0.113864 (Laps: 25, Total Elapsed Time: 2.846606) lldb_avg/gdb_avg: 0.503146 ok 2: test_run_lldb_then_gdb (TestDisassembly.DisassembleDriverMainLoop) Test disassembly on a large function with lldb vs. gdb. ... lldb benchmark: Avg: 0.113008 (Laps: 25, Total Elapsed Time: 2.825201) gdb benchmark: Avg: 0.225240 (Laps: 25, Total Elapsed Time: 5.631001) lldb_avg/gdb_avg: 0.501723 ok ---------------------------------------------------------------------- Ran 2 tests in 41.346s OK llvm-svn: 142598
67 lines
1.9 KiB
Python
67 lines
1.9 KiB
Python
"""Test lldb's stepping speed."""
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import os, sys
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import unittest2
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import lldb
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import pexpect
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from lldbbench import *
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class RunHooksThenSteppingsBench(BenchBase):
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mydir = os.path.join("benchmarks", "stepping")
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def setUp(self):
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BenchBase.setUp(self)
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self.count = lldb.bmIterationCount
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if self.count <= 0:
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self.count = 50
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@benchmarks_test
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def test_lldb_runhooks_then_steppings(self):
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"""Test lldb steppings on a large executable."""
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print
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self.run_lldb_runhooks_then_steppings(self.count)
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print "lldb stepping benchmark:", self.stopwatch
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def run_lldb_runhooks_then_steppings(self, count):
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# Set self.child_prompt, which is "(lldb) ".
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self.child_prompt = '(lldb) '
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prompt = self.child_prompt
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self.child = pexpect.spawn('%s %s' % (self.lldbHere, self.lldbOption))
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self.child.expect_exact(prompt)
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# So that the child gets torn down after the test.
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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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#lldb.runHooks = ['process attach -n Mail']
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# Perform the run hooks to bring lldb debugger to the desired state.
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self.runHooks(child=child, child_prompt=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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# Step through the function.
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child.sendline('next') # Aka 'thread step-over'.
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child.expect_exact(prompt)
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child.sendline('quit')
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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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self.child = None
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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