class Top(Plugin): NODE_FIELDS = [ 'pid', 'get_cpu_percent', 'get_memory_percent', 'get_num_threads'] OUT_FIELDS = ['node_name', 'pid', 'cpu_percent', 'memory_percent', 'num_threads' ] FORMAT_STRS = ['%s', '%s', '%0.2f', '%0.2f', '%s' ] NODE_LABELS = ['Node', 'PID', 'CPU %', 'Mem %', 'Num Threads' ] SORT_TYPE = [str, str, float, float, float ] TOOLTIPS = { 0: ('cmdline', lambda x: '\n'.join(textwrap.wrap(' '.join(x)))), 3: ('memory_info', lambda x: ('Resident: %0.2f MiB, Virtual: %0.2f MiB' % (x[0]/2**20, x[1]/2**20))) } _node_info = NodeInfo() name_filter = re.compile('') def __init__(self, context): super(Top, self).__init__(context) # Give QObjects reasonable names self.setObjectName('Top') # Process standalone plugin command-line arguments from argparse import ArgumentParser parser = ArgumentParser() # Add argument(s) to the parser. parser.add_argument("-q", "--quiet", action="store_true", dest="quiet", help="Put plugin in silent mode") args, unknowns = parser.parse_known_args(context.argv()) # if not args.quiet: # print 'arguments: ', args # print 'unknowns: ', unknowns self._selected_node = '' self._selected_node_lock = RLock() # Setup the toolbar self._toolbar = QToolBar() self._filter_box = QLineEdit() self._regex_box = QCheckBox() self._regex_box.setText('regex') self._toolbar.addWidget(QLabel('Filter')) self._toolbar.addWidget(self._filter_box) self._toolbar.addWidget(self._regex_box) self._filter_box.returnPressed.connect(self.update_filter) self._regex_box.stateChanged.connect(self.update_filter) # Create a container widget and give it a layout self._container = QWidget() self._container.setWindowTitle('Process Monitor') self._layout = QVBoxLayout() self._container.setLayout(self._layout) self._layout.addWidget(self._toolbar) # Create the table widget self._table_widget = QTreeWidget() self._table_widget.setObjectName('TopTable') self._table_widget.setColumnCount(len(self.NODE_LABELS)) self._table_widget.setHeaderLabels(self.NODE_LABELS) self._table_widget.itemClicked.connect(self._tableItemClicked) self._table_widget.setSortingEnabled(True) self._table_widget.setAlternatingRowColors(True) self._layout.addWidget(self._table_widget) context.add_widget(self._container) # Add a button for killing nodes self._kill_button = QPushButton('Kill Node') self._layout.addWidget(self._kill_button) self._kill_button.clicked.connect(self._kill_node) # Update twice since the first cpu% lookup will always return 0 self.update_table() self.update_table() self._table_widget.resizeColumnToContents(0) # Start a timer to trigger updates self._update_timer = QTimer() self._update_timer.setInterval(1000) self._update_timer.timeout.connect(self.update_table) self._update_timer.start() def _tableItemClicked(self, item, column): with self._selected_node_lock: self._selected_node = item.text(0) def update_filter(self, *args): if self._regex_box.isChecked(): expr = self._filter_box.text() else: expr = re.escape(self._filter_box.text()) self.name_filter = re.compile(expr) self.update_table() def _kill_node(self): self._node_info.kill_node(self._selected_node) def update_one_item(self, row, info): twi = TopWidgetItem() for col, field in enumerate(self.OUT_FIELDS): val = info[field] twi.setText(col, self.FORMAT_STRS[col] % val) self._table_widget.insertTopLevelItem(row, twi) for col, (key, func) in self.TOOLTIPS.iteritems(): twi.setToolTip(col, func(info[key])) with self._selected_node_lock: if twi.text(0) == self._selected_node: twi.setSelected(True) self._table_widget.setItemHidden(twi, len(self.name_filter.findall(info['node_name'])) == 0) def update_table(self): self._table_widget.clear() infos = self._node_info.get_all_node_fields(self.NODE_FIELDS) for nx, info in enumerate(infos): self.update_one_item(nx, info) def shutdown_plugin(self): self._update_timer.stop() def save_settings(self, plugin_settings, instance_settings): instance_settings.set_value('filter_text', self._filter_box.text()) instance_settings.set_value('is_regex', int(self._regex_box.checkState())) def restore_settings(self, plugin_settings, instance_settings): self._filter_box.setText(instance_settings.value('filter_text')) is_regex_int = instance_settings.value('is_regex') if is_regex_int: self._regex_box.setCheckState(Qt.CheckState(is_regex_int)) else: self._regex_box.setCheckState(Qt.CheckState(0)) self.update_filter()
class Top(Plugin): NODE_FIELDS = [ 'pid', 'get_cpu_percent', 'get_memory_percent', 'get_num_threads' ] OUT_FIELDS = [ 'node_name', 'pid', 'cpu_percent', 'memory_percent', 'num_threads' ] FORMAT_STRS = ['%s', '%s', '%0.2f', '%0.2f', '%s'] NODE_LABELS = ['Node', 'PID', 'CPU %', 'Mem %', 'Num Threads'] SORT_TYPE = [str, str, float, float, float] TOOLTIPS = { 0: ('cmdline', lambda x: '\n'.join(textwrap.wrap(' '.join(x)))), 3: ('memory_info', lambda x: ('Resident: %0.2f MiB, Virtual: %0.2f MiB' % (x[0] / 2**20, x[1] / 2**20))) } _node_info = NodeInfo() name_filter = re.compile('') def __init__(self, context): super(Top, self).__init__(context) # Give QObjects reasonable names self.setObjectName('Top') # Process standalone plugin command-line arguments from argparse import ArgumentParser parser = ArgumentParser() # Add argument(s) to the parser. parser.add_argument("-q", "--quiet", action="store_true", dest="quiet", help="Put plugin in silent mode") args, unknowns = parser.parse_known_args(context.argv()) # if not args.quiet: # print 'arguments: ', args # print 'unknowns: ', unknowns self._selected_node = '' self._selected_node_lock = RLock() # Setup the toolbar self._toolbar = QToolBar() self._filter_box = QLineEdit() self._regex_box = QCheckBox() self._regex_box.setText('regex') self._toolbar.addWidget(QLabel('Filter')) self._toolbar.addWidget(self._filter_box) self._toolbar.addWidget(self._regex_box) self._filter_box.returnPressed.connect(self.update_filter) self._regex_box.stateChanged.connect(self.update_filter) # Create a container widget and give it a layout self._container = QWidget() self._container.setWindowTitle('Process Monitor') self._layout = QVBoxLayout() self._container.setLayout(self._layout) self._layout.addWidget(self._toolbar) # Create the table widget self._table_widget = QTreeWidget() self._table_widget.setObjectName('TopTable') self._table_widget.setColumnCount(len(self.NODE_LABELS)) self._table_widget.setHeaderLabels(self.NODE_LABELS) self._table_widget.itemClicked.connect(self._tableItemClicked) self._table_widget.setSortingEnabled(True) self._table_widget.setAlternatingRowColors(True) self._layout.addWidget(self._table_widget) context.add_widget(self._container) # Add a button for killing nodes self._kill_button = QPushButton('Kill Node') self._layout.addWidget(self._kill_button) self._kill_button.clicked.connect(self._kill_node) # Update twice since the first cpu% lookup will always return 0 self.update_table() self.update_table() self._table_widget.resizeColumnToContents(0) # Start a timer to trigger updates self._update_timer = QTimer() self._update_timer.setInterval(1000) self._update_timer.timeout.connect(self.update_table) self._update_timer.start() def _tableItemClicked(self, item, column): with self._selected_node_lock: self._selected_node = item.text(0) def update_filter(self, *args): if self._regex_box.isChecked(): expr = self._filter_box.text() else: expr = re.escape(self._filter_box.text()) self.name_filter = re.compile(expr) self.update_table() def _kill_node(self): self._node_info.kill_node(self._selected_node) def update_one_item(self, row, info): twi = TopWidgetItem() for col, field in enumerate(self.OUT_FIELDS): val = info[field] twi.setText(col, self.FORMAT_STRS[col] % val) self._table_widget.insertTopLevelItem(row, twi) for col, (key, func) in self.TOOLTIPS.iteritems(): twi.setToolTip(col, func(info[key])) with self._selected_node_lock: if twi.text(0) == self._selected_node: twi.setSelected(True) self._table_widget.setItemHidden( twi, len(self.name_filter.findall(info['node_name'])) == 0) def update_table(self): self._table_widget.clear() infos = self._node_info.get_all_node_fields(self.NODE_FIELDS) for nx, info in enumerate(infos): self.update_one_item(nx, info) def shutdown_plugin(self): self._update_timer.stop() def save_settings(self, plugin_settings, instance_settings): instance_settings.set_value('filter_text', self._filter_box.text()) instance_settings.set_value('is_regex', int(self._regex_box.checkState())) def restore_settings(self, plugin_settings, instance_settings): self._filter_box.setText(instance_settings.value('filter_text')) is_regex_int = instance_settings.value('is_regex') if is_regex_int: self._regex_box.setCheckState(Qt.CheckState(is_regex_int)) else: self._regex_box.setCheckState(Qt.CheckState(0)) self.update_filter()