ladybird/Userland/DevTools/Profiler/SignpostsModel.cpp
Andreas Kling 8f590cbeb8 Profiler: Add a "Signposts" tab next to the "Samples" tab
This tab provides a filtered listing of all the signpost events in the
currently selected time range.
2021-08-14 01:28:26 +02:00

96 lines
2.2 KiB
C++

/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "SignpostsModel.h"
#include "Profile.h"
#include <AK/StringBuilder.h>
namespace Profiler {
SignpostsModel::SignpostsModel(Profile& profile)
: m_profile(profile)
{
}
SignpostsModel::~SignpostsModel()
{
}
int SignpostsModel::row_count(const GUI::ModelIndex&) const
{
return m_profile.filtered_signpost_indices().size();
}
int SignpostsModel::column_count(const GUI::ModelIndex&) const
{
return Column::__Count;
}
String SignpostsModel::column_name(int column) const
{
switch (column) {
case Column::SignpostIndex:
return "#";
case Column::Timestamp:
return "Timestamp";
case Column::ProcessID:
return "PID";
case Column::ThreadID:
return "TID";
case Column::ExecutableName:
return "Executable";
case Column::SignpostString:
return "String";
case Column::SignpostArgument:
return "Argument";
default:
VERIFY_NOT_REACHED();
}
}
GUI::Variant SignpostsModel::data(const GUI::ModelIndex& index, GUI::ModelRole role) const
{
u32 event_index = m_profile.filtered_signpost_indices()[index.row()];
auto& event = m_profile.events().at(event_index);
if (role == GUI::ModelRole::Custom) {
return event_index;
}
if (role == GUI::ModelRole::Display) {
if (index.column() == Column::SignpostIndex)
return event_index;
if (index.column() == Column::ProcessID)
return event.pid;
if (index.column() == Column::ThreadID)
return event.tid;
if (index.column() == Column::ExecutableName) {
if (auto* process = m_profile.find_process(event.pid, event.serial))
return process->executable;
return "";
}
if (index.column() == Column::Timestamp) {
return (u32)event.timestamp;
}
if (index.column() == Column::SignpostString) {
return event.data.get<Profile::Event::SignpostData>().string;
}
if (index.column() == Column::SignpostArgument) {
return event.data.get<Profile::Event::SignpostData>().arg;
}
return {};
}
return {};
}
}