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Diffstat (limited to 'examples/python/performance.py')
-rwxr-xr-x | examples/python/performance.py | 392 |
1 files changed, 0 insertions, 392 deletions
diff --git a/examples/python/performance.py b/examples/python/performance.py deleted file mode 100755 index f1bc94f4b43a..000000000000 --- a/examples/python/performance.py +++ /dev/null @@ -1,392 +0,0 @@ -#!/usr/bin/python - -#---------------------------------------------------------------------- -# Be sure to add the python path that points to the LLDB shared library. -# On MacOSX csh, tcsh: -# setenv PYTHONPATH /Applications/Xcode.app/Contents/SharedFrameworks/LLDB.framework/Resources/Python -# On MacOSX sh, bash: -# export PYTHONPATH=/Applications/Xcode.app/Contents/SharedFrameworks/LLDB.framework/Resources/Python -#---------------------------------------------------------------------- - -import commands -import optparse -import os -import platform -import re -import resource -import sys -import time -import types - -#---------------------------------------------------------------------- -# Code that auto imports LLDB -#---------------------------------------------------------------------- -try: - # Just try for LLDB in case PYTHONPATH is already correctly setup - import lldb -except ImportError: - lldb_python_dirs = list() - # lldb is not in the PYTHONPATH, try some defaults for the current platform - platform_system = platform.system() - if platform_system == 'Darwin': - # On Darwin, try the currently selected Xcode directory - xcode_dir = commands.getoutput("xcode-select --print-path") - if xcode_dir: - lldb_python_dirs.append( - os.path.realpath( - xcode_dir + - '/../SharedFrameworks/LLDB.framework/Resources/Python')) - lldb_python_dirs.append( - xcode_dir + '/Library/PrivateFrameworks/LLDB.framework/Resources/Python') - lldb_python_dirs.append( - '/System/Library/PrivateFrameworks/LLDB.framework/Resources/Python') - success = False - for lldb_python_dir in lldb_python_dirs: - if os.path.exists(lldb_python_dir): - if not (sys.path.__contains__(lldb_python_dir)): - sys.path.append(lldb_python_dir) - try: - import lldb - except ImportError: - pass - else: - print 'imported lldb from: "%s"' % (lldb_python_dir) - success = True - break - if not success: - print "error: couldn't locate the 'lldb' module, please set PYTHONPATH correctly" - sys.exit(1) - - -class Timer: - - def __enter__(self): - self.start = time.clock() - return self - - def __exit__(self, *args): - self.end = time.clock() - self.interval = self.end - self.start - - -class Action(object): - """Class that encapsulates actions to take when a thread stops for a reason.""" - - def __init__(self, callback=None, callback_owner=None): - self.callback = callback - self.callback_owner = callback_owner - - def ThreadStopped(self, thread): - assert False, "performance.Action.ThreadStopped(self, thread) must be overridden in a subclass" - - -class PlanCompleteAction (Action): - - def __init__(self, callback=None, callback_owner=None): - Action.__init__(self, callback, callback_owner) - - def ThreadStopped(self, thread): - if thread.GetStopReason() == lldb.eStopReasonPlanComplete: - if self.callback: - if self.callback_owner: - self.callback(self.callback_owner, thread) - else: - self.callback(thread) - return True - return False - - -class BreakpointAction (Action): - - def __init__( - self, - callback=None, - callback_owner=None, - name=None, - module=None, - file=None, - line=None, - breakpoint=None): - Action.__init__(self, callback, callback_owner) - self.modules = lldb.SBFileSpecList() - self.files = lldb.SBFileSpecList() - self.breakpoints = list() - # "module" can be a list or a string - if breakpoint: - self.breakpoints.append(breakpoint) - else: - if module: - if isinstance(module, types.ListType): - for module_path in module: - self.modules.Append( - lldb.SBFileSpec(module_path, False)) - elif isinstance(module, types.StringTypes): - self.modules.Append(lldb.SBFileSpec(module, False)) - if name: - # "file" can be a list or a string - if file: - if isinstance(file, types.ListType): - self.files = lldb.SBFileSpecList() - for f in file: - self.files.Append(lldb.SBFileSpec(f, False)) - elif isinstance(file, types.StringTypes): - self.files.Append(lldb.SBFileSpec(file, False)) - self.breakpoints.append( - self.target.BreakpointCreateByName( - name, self.modules, self.files)) - elif file and line: - self.breakpoints.append( - self.target.BreakpointCreateByLocation( - file, line)) - - def ThreadStopped(self, thread): - if thread.GetStopReason() == lldb.eStopReasonBreakpoint: - for bp in self.breakpoints: - if bp.GetID() == thread.GetStopReasonDataAtIndex(0): - if self.callback: - if self.callback_owner: - self.callback(self.callback_owner, thread) - else: - self.callback(thread) - return True - return False - - -class TestCase: - """Class that aids in running performance tests.""" - - def __init__(self): - self.verbose = False - self.debugger = lldb.SBDebugger.Create() - self.target = None - self.process = None - self.thread = None - self.launch_info = None - self.done = False - self.listener = self.debugger.GetListener() - self.user_actions = list() - self.builtin_actions = list() - self.bp_id_to_dict = dict() - - def Setup(self, args): - self.launch_info = lldb.SBLaunchInfo(args) - - def Run(self, args): - assert False, "performance.TestCase.Run(self, args) must be subclassed" - - def Launch(self): - if self.target: - error = lldb.SBError() - self.process = self.target.Launch(self.launch_info, error) - if not error.Success(): - print "error: %s" % error.GetCString() - if self.process: - self.process.GetBroadcaster().AddListener(self.listener, - lldb.SBProcess.eBroadcastBitStateChanged | lldb.SBProcess.eBroadcastBitInterrupt) - return True - return False - - def WaitForNextProcessEvent(self): - event = None - if self.process: - while event is None: - process_event = lldb.SBEvent() - if self.listener.WaitForEvent(lldb.UINT32_MAX, process_event): - state = lldb.SBProcess.GetStateFromEvent(process_event) - if self.verbose: - print "event = %s" % (lldb.SBDebugger.StateAsCString(state)) - if lldb.SBProcess.GetRestartedFromEvent(process_event): - continue - if state == lldb.eStateInvalid or state == lldb.eStateDetached or state == lldb.eStateCrashed or state == lldb.eStateUnloaded or state == lldb.eStateExited: - event = process_event - self.done = True - elif state == lldb.eStateConnected or state == lldb.eStateAttaching or state == lldb.eStateLaunching or state == lldb.eStateRunning or state == lldb.eStateStepping or state == lldb.eStateSuspended: - continue - elif state == lldb.eStateStopped: - event = process_event - call_test_step = True - fatal = False - selected_thread = False - for thread in self.process: - frame = thread.GetFrameAtIndex(0) - select_thread = False - - stop_reason = thread.GetStopReason() - if self.verbose: - print "tid = %#x pc = %#x " % (thread.GetThreadID(), frame.GetPC()), - if stop_reason == lldb.eStopReasonNone: - if self.verbose: - print "none" - elif stop_reason == lldb.eStopReasonTrace: - select_thread = True - if self.verbose: - print "trace" - elif stop_reason == lldb.eStopReasonPlanComplete: - select_thread = True - if self.verbose: - print "plan complete" - elif stop_reason == lldb.eStopReasonThreadExiting: - if self.verbose: - print "thread exiting" - elif stop_reason == lldb.eStopReasonExec: - if self.verbose: - print "exec" - elif stop_reason == lldb.eStopReasonInvalid: - if self.verbose: - print "invalid" - elif stop_reason == lldb.eStopReasonException: - select_thread = True - if self.verbose: - print "exception" - fatal = True - elif stop_reason == lldb.eStopReasonBreakpoint: - select_thread = True - bp_id = thread.GetStopReasonDataAtIndex(0) - bp_loc_id = thread.GetStopReasonDataAtIndex(1) - if self.verbose: - print "breakpoint id = %d.%d" % (bp_id, bp_loc_id) - elif stop_reason == lldb.eStopReasonWatchpoint: - select_thread = True - if self.verbose: - print "watchpoint id = %d" % (thread.GetStopReasonDataAtIndex(0)) - elif stop_reason == lldb.eStopReasonSignal: - select_thread = True - if self.verbose: - print "signal %d" % (thread.GetStopReasonDataAtIndex(0)) - - if select_thread and not selected_thread: - self.thread = thread - selected_thread = self.process.SetSelectedThread( - thread) - - for action in self.user_actions: - action.ThreadStopped(thread) - - if fatal: - # if self.verbose: - # Xcode.RunCommand(self.debugger,"bt all",true) - sys.exit(1) - return event - - -class Measurement: - '''A class that encapsulates a measurement''' - - def __init__(self): - object.__init__(self) - - def Measure(self): - assert False, "performance.Measurement.Measure() must be subclassed" - - -class MemoryMeasurement(Measurement): - '''A class that can measure memory statistics for a process.''' - - def __init__(self, pid): - Measurement.__init__(self) - self.pid = pid - self.stats = [ - "rprvt", - "rshrd", - "rsize", - "vsize", - "vprvt", - "kprvt", - "kshrd", - "faults", - "cow", - "pageins"] - self.command = "top -l 1 -pid %u -stats %s" % ( - self.pid, ",".join(self.stats)) - self.value = dict() - - def Measure(self): - output = commands.getoutput(self.command).split("\n")[-1] - values = re.split('[-+\s]+', output) - for (idx, stat) in enumerate(values): - multiplier = 1 - if stat: - if stat[-1] == 'K': - multiplier = 1024 - stat = stat[:-1] - elif stat[-1] == 'M': - multiplier = 1024 * 1024 - stat = stat[:-1] - elif stat[-1] == 'G': - multiplier = 1024 * 1024 * 1024 - elif stat[-1] == 'T': - multiplier = 1024 * 1024 * 1024 * 1024 - stat = stat[:-1] - self.value[self.stats[idx]] = int(stat) * multiplier - - def __str__(self): - '''Dump the MemoryMeasurement current value''' - s = '' - for key in self.value.keys(): - if s: - s += "\n" - s += "%8s = %s" % (key, self.value[key]) - return s - - -class TesterTestCase(TestCase): - - def __init__(self): - TestCase.__init__(self) - self.verbose = True - self.num_steps = 5 - - def BreakpointHit(self, thread): - bp_id = thread.GetStopReasonDataAtIndex(0) - loc_id = thread.GetStopReasonDataAtIndex(1) - print "Breakpoint %i.%i hit: %s" % (bp_id, loc_id, thread.process.target.FindBreakpointByID(bp_id)) - thread.StepOver() - - def PlanComplete(self, thread): - if self.num_steps > 0: - thread.StepOver() - self.num_steps = self.num_steps - 1 - else: - thread.process.Kill() - - def Run(self, args): - self.Setup(args) - with Timer() as total_time: - self.target = self.debugger.CreateTarget(args[0]) - if self.target: - with Timer() as breakpoint_timer: - bp = self.target.BreakpointCreateByName("main") - print( - 'Breakpoint time = %.03f sec.' % - breakpoint_timer.interval) - - self.user_actions.append( - BreakpointAction( - breakpoint=bp, - callback=TesterTestCase.BreakpointHit, - callback_owner=self)) - self.user_actions.append( - PlanCompleteAction( - callback=TesterTestCase.PlanComplete, - callback_owner=self)) - - if self.Launch(): - while not self.done: - self.WaitForNextProcessEvent() - else: - print "error: failed to launch process" - else: - print "error: failed to create target with '%s'" % (args[0]) - print('Total time = %.03f sec.' % total_time.interval) - - -if __name__ == '__main__': - lldb.SBDebugger.Initialize() - test = TesterTestCase() - test.Run(sys.argv[1:]) - mem = MemoryMeasurement(os.getpid()) - mem.Measure() - print str(mem) - lldb.SBDebugger.Terminate() - # print "sleeeping for 100 seconds" - # time.sleep(100) |