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-rw-r--r--packages/Python/lldbsuite/test/benchmarks/disassembly/TestDoAttachThenDisassembly.py67
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diff --git a/packages/Python/lldbsuite/test/benchmarks/disassembly/TestDoAttachThenDisassembly.py b/packages/Python/lldbsuite/test/benchmarks/disassembly/TestDoAttachThenDisassembly.py
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+++ b/packages/Python/lldbsuite/test/benchmarks/disassembly/TestDoAttachThenDisassembly.py
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+"""Test lldb's disassemblt speed. This bench deliberately attaches to an lldb
+inferior and traverses the stack for thread0 to arrive at frame with function
+'MainLoop'. It is important to specify an lldb executable as the inferior."""
+
+from __future__ import print_function
+
+
+
+import os, sys
+import lldb
+from lldbsuite.test.lldbbench import *
+from lldbsuite.test import configuration
+
+class AttachThenDisassemblyBench(BenchBase):
+
+ mydir = TestBase.compute_mydir(__file__)
+
+ def setUp(self):
+ BenchBase.setUp(self)
+ self.exe = lldbtest_config.lldbExec
+ self.count = 10
+
+ @benchmarks_test
+ @no_debug_info_test
+ def test_attach_then_disassembly(self):
+ """Attach to a spawned lldb process then run disassembly benchmarks."""
+ print()
+ self.run_lldb_attach_then_disassembly(self.exe, self.count)
+ print("lldb disassembly benchmark:", self.stopwatch)
+
+ def run_lldb_attach_then_disassembly(self, exe, count):
+ target = self.dbg.CreateTarget(exe)
+
+ # Spawn a new process and don't display the stdout if not in TraceOn() mode.
+ import subprocess
+ popen = subprocess.Popen([exe, self.lldbOption],
+ stdout = open(os.devnull, 'w') if not self.TraceOn() else None)
+ if self.TraceOn():
+ print("pid of spawned process: %d" % popen.pid)
+
+ # Attach to the launched lldb process.
+ listener = lldb.SBListener("my.attach.listener")
+ error = lldb.SBError()
+ process = target.AttachToProcessWithID(listener, popen.pid, error)
+
+ # Set thread0 as the selected thread, followed by the 'MainLoop' frame
+ # as the selected frame. Then do disassembly on the function.
+ thread0 = process.GetThreadAtIndex(0)
+ process.SetSelectedThread(thread0)
+ i = 0
+ found = False
+ for f in thread0:
+ #print("frame#%d %s" % (i, f.GetFunctionName()))
+ if "MainLoop" in f.GetFunctionName():
+ found = True
+ thread0.SetSelectedFrame(i)
+ if self.TraceOn():
+ print("Found frame#%d for function 'MainLoop'" % i)
+ break
+ i += 1
+
+ # Reset the stopwatch now.
+ self.stopwatch.reset()
+ for i in range(count):
+ with self.stopwatch:
+ # Disassemble the function.
+ self.runCmd("disassemble -f")