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| 1 | +"""Profiler tab: visualise per-action wall-clock hot spots.""" |
| 2 | +from typing import List, Optional |
| 3 | + |
| 4 | +from PySide6.QtCore import QTimer, Qt |
| 5 | +from PySide6.QtWidgets import ( |
| 6 | + QAbstractItemView, QHBoxLayout, QHeaderView, QLabel, QProgressBar, |
| 7 | + QPushButton, QTableWidget, QTableWidgetItem, QVBoxLayout, QWidget, |
| 8 | +) |
| 9 | + |
| 10 | +from je_auto_control.gui._i18n_helpers import TranslatableMixin |
| 11 | +from je_auto_control.gui.language_wrapper.multi_language_wrapper import ( |
| 12 | + language_wrapper, |
| 13 | +) |
| 14 | +from je_auto_control.utils.profiler import default_profiler |
| 15 | +from je_auto_control.utils.profiler.profiler import ActionStats |
| 16 | + |
| 17 | +_REFRESH_INTERVAL_MS = 1000 |
| 18 | +_COLUMN_COUNT = 7 |
| 19 | + |
| 20 | + |
| 21 | +def _t(key: str) -> str: |
| 22 | + return language_wrapper.translate(key, key) |
| 23 | + |
| 24 | + |
| 25 | +def _ms(seconds: float) -> str: |
| 26 | + if seconds <= 0: |
| 27 | + return "0 ms" |
| 28 | + if seconds < 1.0: |
| 29 | + return f"{seconds * 1000:.1f} ms" |
| 30 | + return f"{seconds:.3f} s" |
| 31 | + |
| 32 | + |
| 33 | +class ProfilerTab(TranslatableMixin, QWidget): |
| 34 | + """Hot-spot table backed by :data:`default_profiler`.""" |
| 35 | + |
| 36 | + def __init__(self, parent: Optional[QWidget] = None) -> None: |
| 37 | + super().__init__(parent) |
| 38 | + self._tr_init() |
| 39 | + self._table = QTableWidget(0, _COLUMN_COUNT) |
| 40 | + self._table.setEditTriggers(QAbstractItemView.NoEditTriggers) |
| 41 | + self._table.setSelectionBehavior(QAbstractItemView.SelectRows) |
| 42 | + self._table.verticalHeader().setVisible(False) |
| 43 | + self._apply_table_headers() |
| 44 | + header = self._table.horizontalHeader() |
| 45 | + header.setSectionResizeMode(QHeaderView.Interactive) |
| 46 | + header.setStretchLastSection(True) |
| 47 | + self._totalbar = QProgressBar() |
| 48 | + self._totalbar.setRange(0, 100) |
| 49 | + self._totalbar.setTextVisible(True) |
| 50 | + self._status = QLabel() |
| 51 | + self._build_layout() |
| 52 | + self._timer = QTimer(self) |
| 53 | + self._timer.setInterval(_REFRESH_INTERVAL_MS) |
| 54 | + self._timer.timeout.connect(self._refresh) |
| 55 | + self._timer.start() |
| 56 | + self._refresh() |
| 57 | + |
| 58 | + def retranslate(self) -> None: |
| 59 | + TranslatableMixin.retranslate(self) |
| 60 | + self._apply_table_headers() |
| 61 | + self._refresh() |
| 62 | + |
| 63 | + def _apply_table_headers(self) -> None: |
| 64 | + self._table.setHorizontalHeaderLabels([ |
| 65 | + _t("prof_col_name"), _t("prof_col_calls"), |
| 66 | + _t("prof_col_total"), _t("prof_col_avg"), |
| 67 | + _t("prof_col_min"), _t("prof_col_max"), |
| 68 | + _t("prof_col_share"), |
| 69 | + ]) |
| 70 | + |
| 71 | + def _build_layout(self) -> None: |
| 72 | + root = QVBoxLayout(self) |
| 73 | + controls = QHBoxLayout() |
| 74 | + self._enable_btn = self._tr(QPushButton(), "prof_enable") |
| 75 | + self._enable_btn.clicked.connect(self._toggle_enable) |
| 76 | + controls.addWidget(self._enable_btn) |
| 77 | + reset_btn = self._tr(QPushButton(), "prof_reset") |
| 78 | + reset_btn.clicked.connect(self._on_reset) |
| 79 | + controls.addWidget(reset_btn) |
| 80 | + refresh_btn = self._tr(QPushButton(), "prof_refresh") |
| 81 | + refresh_btn.clicked.connect(self._refresh) |
| 82 | + controls.addWidget(refresh_btn) |
| 83 | + controls.addStretch() |
| 84 | + root.addLayout(controls) |
| 85 | + root.addWidget(self._table, stretch=1) |
| 86 | + root.addWidget(self._totalbar) |
| 87 | + root.addWidget(self._status) |
| 88 | + |
| 89 | + def _toggle_enable(self) -> None: |
| 90 | + if default_profiler.enabled: |
| 91 | + default_profiler.disable() |
| 92 | + else: |
| 93 | + default_profiler.enable() |
| 94 | + self._refresh() |
| 95 | + |
| 96 | + def _on_reset(self) -> None: |
| 97 | + default_profiler.reset() |
| 98 | + self._refresh() |
| 99 | + |
| 100 | + def _refresh(self) -> None: |
| 101 | + rows: List[ActionStats] = default_profiler.stats() |
| 102 | + self._table.setRowCount(len(rows)) |
| 103 | + total_seconds = sum(r.total_seconds for r in rows) |
| 104 | + for index, row in enumerate(rows): |
| 105 | + share = 0.0 if total_seconds <= 0 else row.total_seconds / total_seconds |
| 106 | + self._set_row(index, row, share) |
| 107 | + self._totalbar.setValue(min(100, int(total_seconds * 1000) % 101)) |
| 108 | + if rows: |
| 109 | + self._totalbar.setFormat( |
| 110 | + _t("prof_total_label").replace("{n}", str(len(rows))) |
| 111 | + + f" • {_ms(total_seconds)}", |
| 112 | + ) |
| 113 | + else: |
| 114 | + self._totalbar.setFormat(_t("prof_total_empty")) |
| 115 | + running_text = _t("prof_running") if default_profiler.enabled \ |
| 116 | + else _t("prof_paused") |
| 117 | + self._status.setText(running_text) |
| 118 | + self._enable_btn.setText( |
| 119 | + _t("prof_disable") if default_profiler.enabled |
| 120 | + else _t("prof_enable"), |
| 121 | + ) |
| 122 | + |
| 123 | + def _set_row(self, row: int, stats: ActionStats, share: float) -> None: |
| 124 | + values = ( |
| 125 | + stats.name, |
| 126 | + str(stats.calls), |
| 127 | + _ms(stats.total_seconds), |
| 128 | + _ms(stats.average_seconds), |
| 129 | + _ms(stats.min_seconds), |
| 130 | + _ms(stats.max_seconds), |
| 131 | + f"{share * 100:.1f}%", |
| 132 | + ) |
| 133 | + for col, text in enumerate(values): |
| 134 | + item = QTableWidgetItem(text) |
| 135 | + item.setFlags(item.flags() & ~Qt.ItemIsEditable) |
| 136 | + self._table.setItem(row, col, item) |
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