mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-21 10:19:03 +03:00
139 lines
3.6 KiB
C++
139 lines
3.6 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "ThreadStackWidget.h"
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#include <LibCore/Timer.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Model.h>
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#include <LibGUI/Widget.h>
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#include <LibSymbolication/Symbolication.h>
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#include <LibThreading/BackgroundAction.h>
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REGISTER_WIDGET(SystemMonitor, ThreadStackWidget)
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namespace SystemMonitor {
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class ThreadStackModel final : public GUI::Model {
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enum Column {
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Address,
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Object,
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Symbol
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};
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public:
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int column_count(GUI::ModelIndex const&) const override { return 3; };
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int row_count(GUI::ModelIndex const&) const override { return m_symbols.size(); };
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bool is_column_sortable(int) const override { return false; }
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DeprecatedString column_name(int column) const override
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{
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switch (column) {
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case Column::Address:
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return "Address";
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case Column::Object:
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return "Object";
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case Column::Symbol:
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return "Symbol";
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default:
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VERIFY_NOT_REACHED();
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}
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}
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GUI::Variant data(GUI::ModelIndex const& model_index, GUI::ModelRole) const override
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{
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auto& symbol = m_symbols[model_index.row()];
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switch (model_index.column()) {
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case Column::Address:
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return DeprecatedString::formatted("{:p}", symbol.address);
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case Column::Object:
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return symbol.object;
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case Column::Symbol:
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return symbol.name;
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default:
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VERIFY_NOT_REACHED();
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}
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};
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void set_symbols(Vector<Symbolication::Symbol> const& symbols)
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{
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if (m_symbols == symbols)
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return;
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m_symbols = symbols;
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invalidate();
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}
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private:
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Vector<Symbolication::Symbol> m_symbols;
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};
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ThreadStackWidget::ThreadStackWidget()
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{
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set_layout<GUI::VerticalBoxLayout>(4);
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m_stack_table = add<GUI::TableView>();
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m_stack_table->set_model(adopt_ref(*new ThreadStackModel()));
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}
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void ThreadStackWidget::show_event(GUI::ShowEvent&)
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{
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refresh();
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if (!m_timer) {
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m_timer = add<Core::Timer>(1000, [this] { refresh(); });
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m_timer->start();
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}
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}
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void ThreadStackWidget::hide_event(GUI::HideEvent&)
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{
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m_timer = nullptr;
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}
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void ThreadStackWidget::set_ids(pid_t pid, pid_t tid)
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{
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if (m_pid == pid && m_tid == tid)
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return;
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m_pid = pid;
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m_tid = tid;
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}
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class CompletionEvent : public Core::CustomEvent {
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public:
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explicit CompletionEvent(Vector<Symbolication::Symbol> symbols)
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: Core::CustomEvent(0)
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, m_symbols(move(symbols))
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{
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}
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Vector<Symbolication::Symbol> const& symbols() const { return m_symbols; }
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private:
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Vector<Symbolication::Symbol> m_symbols;
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};
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void ThreadStackWidget::refresh()
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{
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(void)Threading::BackgroundAction<Vector<Symbolication::Symbol>>::construct(
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[pid = m_pid, tid = m_tid](auto&) {
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return Symbolication::symbolicate_thread(pid, tid, Symbolication::IncludeSourcePosition::No);
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},
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[weak_this = make_weak_ptr()](auto result) -> ErrorOr<void> {
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if (!weak_this)
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return {};
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Core::EventLoop::current().post_event(const_cast<Core::Object&>(*weak_this), make<CompletionEvent>(move(result)));
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return {};
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});
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}
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void ThreadStackWidget::custom_event(Core::CustomEvent& event)
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{
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auto& completion_event = verify_cast<CompletionEvent>(event);
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verify_cast<ThreadStackModel>(m_stack_table->model())->set_symbols(completion_event.symbols());
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}
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}
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