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SystemMonitor: Use SymbolServer to symbolicate thread stacks

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This commit is contained in:
Andreas Kling 2021-02-04 23:18:25 +01:00
parent b7d16e3496
commit 5dd555fe2f
3 changed files with 20 additions and 10 deletions
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21
Userland/Applications/SystemMonitor/ThreadStackWidget.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -29,6 +29,7 @@
#include <LibCore/File.h>
#include <LibCore/Timer.h>
#include <LibGUI/BoxLayout.h>
#include <LibSymbolClient/Client.h>
ThreadStackWidget::ThreadStackWidget()
{
@ -55,14 +56,18 @@ void ThreadStackWidget::set_ids(pid_t pid, pid_t tid)
void ThreadStackWidget::refresh()
{
auto file = Core::File::construct(String::formatted("/proc/{}/stacks/{}", m_pid, m_tid));
if (!file->open(Core::IODevice::ReadOnly)) {
m_stack_editor->set_text(String::formatted("Unable to open {}", file->filename()));
return;
auto symbols = SymbolClient::symbolicate_thread(m_pid, m_tid);
StringBuilder builder;
for (auto& symbol : symbols) {
builder.appendff("{:p}", symbol.address);
if (!symbol.name.is_empty())
builder.appendff(" {}", symbol.name);
builder.append('\n');
}
auto new_text = file->read_all();
if (m_stack_editor->text() != new_text) {
m_stack_editor->set_text(new_text);
if (m_stack_editor->text() != builder.string_view()) {
m_stack_editor->set_text(builder.string_view());
}
}