Add a benchmark test case that shows how much slower repeat 'continue' commands are than going through the SB API directly
llvm-svn: 226852
diff --git a/lldb/test/benchmarks/continue/TestBenchmarkContinue.py b/lldb/test/benchmarks/continue/TestBenchmarkContinue.py
new file mode 100644
index 0000000..40e9c6d
--- /dev/null
+++ b/lldb/test/benchmarks/continue/TestBenchmarkContinue.py
@@ -0,0 +1,79 @@
+"""
+Test lldb data formatter subsystem.
+"""
+
+import os, time
+import unittest2
+import lldb
+from lldbbench import *
+import lldbutil
+
+class TestBenchmarkContinue(BenchBase):
+
+ mydir = TestBase.compute_mydir(__file__)
+
+ @benchmarks_test
+ @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
+ @dsym_test
+ def test_with_dsym_and_run_command(self):
+ """Benchmark different ways to continue a process"""
+ self.buildDsym()
+ self.data_formatter_commands()
+
+ @benchmarks_test
+ @skipIfLinux # No standard locations for libc++ on Linux, so skip for now
+ @dwarf_test
+ def test_with_dwarf_and_run_command(self):
+ """Benchmark different ways to continue a process"""
+ self.buildDwarf()
+ self.data_formatter_commands()
+
+ def setUp(self):
+ # Call super's setUp().
+ BenchBase.setUp(self)
+
+ def data_formatter_commands(self):
+ """Benchmark different ways to continue a process"""
+ self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
+
+ bkpt = self.target().FindBreakpointByID(lldbutil.run_break_set_by_source_regexp (self, "// break here"))
+
+ self.runCmd("run", RUN_SUCCEEDED)
+
+ # The stop reason of the thread should be breakpoint.
+ self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+ substrs = ['stopped',
+ 'stop reason = breakpoint'])
+
+ # This is the function to remove the custom formats in order to have a
+ # clean slate for the next test case.
+ def cleanup():
+ self.runCmd('type format clear', check=False)
+ self.runCmd('type summary clear', check=False)
+ self.runCmd('type filter clear', check=False)
+ self.runCmd('type synth clear', check=False)
+ self.runCmd("settings set target.max-children-count 256", check=False)
+
+ # Execute the cleanup function during test case tear down.
+ self.addTearDownHook(cleanup)
+
+ runCmd_sw = Stopwatch()
+ lldbutil_sw = Stopwatch()
+
+ for i in range(0,15):
+ runCmd_sw.start()
+ self.runCmd("continue")
+ runCmd_sw.stop()
+
+ for i in range(0,15):
+ lldbutil_sw.start()
+ lldbutil.continue_to_breakpoint(self.process(), bkpt)
+ lldbutil_sw.stop()
+
+ print "runCmd: %s\nlldbutil: %s" % (runCmd_sw,lldbutil_sw)
+
+if __name__ == '__main__':
+ import atexit
+ lldb.SBDebugger.Initialize()
+ atexit.register(lambda: lldb.SBDebugger.Terminate())
+ unittest2.main()