Ejemplo n.º 1
0
    def post_process(args, conn):
        decoders = get_decoders().get('db', [])
        if not decoders:
            return []
        tree = default_tree(args)
        tree['ring_buffer'] = True
        args.no_left_overs = True
        with Callbacks(args, tree) as callbacks:
            if callbacks.is_empty():
                return callbacks.get_result()

            for decoder in get_decoders().get('db', []):
                decoder(args, callbacks).handle_db(conn)

        return callbacks.get_result()
Ejemplo n.º 2
0
 def __init__(self, args, callbacks):
     self.args, self.callbacks = args, callbacks
     self.decoders = []
     decoders = get_decoders()
     if 'log' in decoders:
         for decoder in decoders['log']:
             self.decoders.append(decoder(args, callbacks))
Ejemplo n.º 3
0
    def __init__(self, args, gt, callbacks):
        GPUQueue.__init__(self, args, callbacks)
        self.cs = None
        self.ignore_gpu = True  # workaround for incomplete dtrace ring
        self.cpu_packets = {}
        self.gpu_packets = {}
        self.thread_names = {}
        self.gpu_transition = {}
        self.gpu_frame = {'catch': [0, 0], 'task': None}
        self.prepares = {}
        self.pid_names = {}
        self.tid_map = {}
        self.event_tracker = {
        }  # key is ring+channel => key is tracking stamp => [events]
        self.contexts = {u'0': 'System'}  # id to type map
        for callback in self.callbacks.callbacks:
            if 'ContextSwitch' in dir(callback):
                self.cs = callback.ContextSwitch(callback,
                                                 args.input + '.ftrace')
        self.callbacks(
            "metadata_add", {
                'domain': 'GPU',
                'str': '__process__',
                'pid': -1,
                'tid': -1,
                'data': 'GPU Contexts',
                'time': 0,
                'delta': -2
            })

        self.decoders = []
        decoders = get_decoders()
        if 'dtrace' in decoders:
            for decoder in decoders['dtrace']:
                self.decoders.append(decoder(args, callbacks))
Ejemplo n.º 4
0
    def start(self):
        # spawn dtrace tracers and exit, all means to stop it must be saved to self members:
        # launch command line with dtrace script and remember pid
        script = os.path.join(self.args.output, 'script.d')

        self.files = [
            os.path.join(
                self.args.output, 'data-%s.dtrace' %
                (self.args.cuts[0] if self.args.cuts else '0'))
        ]
        if os.path.exists(self.files[0]):
            os.remove(self.files[0])

        cmd = 'sudo -A dtrace -Z -q -o "%s" -s "%s"' % (self.files[0], script)

        dtrace_script = []

        if self.args.ring:
            dtrace_script.append(
                self.gen_options([('bufpolicy', 'ring'), ('bufresize', 'auto'),
                                  ('bufsize', '%dm' % (self.args.ring * 10))]))

        dtrace_script.append(dtrace_context_switch)
        dtrace_script.append(fbt_dtrace_hooks)

        (probes, err) = self.execute(
            'sudo -A dtrace -l -m *com.apple.driver.AppleIntel*Graphics*',
            env=os.environ)
        if probes:
            dtrace_script.append(self.gen_gpu_hooks(probes))

        if self.args.target:
            dtrace_script.append(pid_dtrace_hooks)
            cmd += " -p %s" % self.args.target

        decoders = get_decoders()
        if 'dtrace' in decoders:
            for decoder in decoders['dtrace']:
                hooks = decoder.get_hooks(self.args)
                if hooks:
                    dtrace_script.append(hooks)

        dtrace_script = '\n'.join(dtrace_script)

        if self.args.stacks:
            dtrace_script = dtrace_script.replace('/*{OFF_CPU}*/',
                                                  OFF_CPU_STACKS)

        with open(script, 'w') as file:
            file.write(dtrace_script)

        proc = subprocess.Popen(cmd,
                                shell=True,
                                stdin=None,
                                stdout=self.output,
                                stderr=self.output,
                                env=os.environ)
        self.pid = proc.pid
        self.log(cmd)
        self.log("pid: %d" % proc.pid)
Ejemplo n.º 5
0
    def __init__(self, args):
        Collector.__init__(self, args)

        self.processes = {}

        self.files = []
        self.subcollectors = set()

        self.attached = set()

        decoders = get_decoders()
        for decoder_group in decoders.values():
            for decoder_class in decoder_group:
                if any('Subcollector' in str(name)
                       for name in decoder_class.__bases__):
                    self.subcollectors.add(decoder_class)

        if 'SUDO_ASKPASS' not in os.environ:
            get_original_env()['SUDO_ASKPASS'] = self.create_ask_pass()
        assert 'DYLD_INSERT_LIBRARIES' not in os.environ

        self.sudo_execute('pkill dtrace')
        self.script = None
        if args.follow:
            self.fifo_reader = FifoReader(
                self, os.path.join(self.args.output, 'follow_child.fifo'))
        self.prepare()
        self.times = []
        self.attach_by_pid = True
Ejemplo n.º 6
0
    def __init__(self, args, gt, callbacks):
        GPUQueue.__init__(self, args, callbacks)
        self.cs = None
        self.ignore_gpu = True  # workaround for incomplete dtrace ring
        self.cpu_packets = {}
        self.gpu_packets = {}
        self.thread_names = {}
        self.gpu_transition = {}
        self.prepares = {}
        self.pid_names = {}
        self.tid_map = {}
        self.event_tracker = {
        }  # key is ring+channel => key is tracking stamp => [events]
        self.contexts = {u'0': 'System'}  # id to type map
        callbacks.set_process_name(-1, 'GPU Contexts')
        self.stat = {}

        self.decoders = []
        decoders = get_decoders()
        if 'dtrace' in decoders:
            for decoder in decoders['dtrace']:
                self.decoders.append(decoder(args, callbacks))

        importers = get_importers()
        self.read_system_info()
        self.collected_domains = set()
Ejemplo n.º 7
0
 def __init__(self, args, callbacks):
     self.callbacks = callbacks
     self.args = args
     self.decoders = []
     decoders = get_decoders()
     if 'json' in decoders:
         for decoder in decoders['json'] + [OwnDecoder]:
             self.decoders.append(decoder(args, callbacks))
Ejemplo n.º 8
0
 def __init__(self, args, callbacks):
     self.callbacks = callbacks
     self.args = args
     self.last_record = None
     self.decoders = []
     decoders = get_decoders()
     if 'perf' in decoders:
         for decoder in decoders['perf']:
             self.decoders.append(decoder(args, callbacks))
Ejemplo n.º 9
0
 def __init__(self, args, callbacks):
     self.callbacks = callbacks
     self.args = args
     self.tid_map = {}
     self.decoders = []
     if hasattr(self.args, 'user_input') and os.path.isdir(self.args.user_input):
         self.tid_map = build_tid_map(self.args, self.args.user_input)
     decoders = get_decoders()
     if 'ftrace' in decoders:
         for decoder in decoders['ftrace']:
             self.decoders.append(decoder(args, callbacks))
Ejemplo n.º 10
0
 def __init__(self, args, callbacks):
     self.callbacks = callbacks
     self.args = args
     self.tid_map = {}
     self.decoders = []
     if hasattr(self.args, 'user_input') and os.path.isdir(self.args.user_input):
         self.build_tid_map(self.args.user_input)
     decoders = get_decoders()
     if 'ftrace' in decoders:
         for decoder in decoders['ftrace']:
             self.decoders.append(decoder(callbacks))
Ejemplo n.º 11
0
    def __init__(self, args):
        Collector.__init__(self, args)

        self.pid = None
        self.files = []
        self.subcollectors = set()

        decoders = get_decoders()
        for decoder_group in itervalues(decoders):
            for decoder_class in decoder_group:
                if any('Subcollector' in str(name)
                       for name in decoder_class.__bases__):
                    self.subcollectors.add(decoder_class)

        if 'SUDO_ASKPASS' not in os.environ:
            os.environ['SUDO_ASKPASS'] = self.create_ask_pass()
        if 'DYLD_INSERT_LIBRARIES' in os.environ:
            del os.environ['DYLD_INSERT_LIBRARIES']
        self.execute('sudo -A pkill dtrace', env=os.environ)
        self.start()