mirror of
https://github.com/RGBCube/serenity
synced 2025-05-16 02:44:58 +00:00
a607f13fc7
Previously Profiler was using timestamps to distinguish processes. However it is possible that separate processes with the same PID exist at the exact same timestamp (e.g. for execve). This changes Profiler to use unique serial numbers for each event instead.
103 lines
2.5 KiB
C++
103 lines
2.5 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "SamplesModel.h"
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#include "Profile.h"
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#include <AK/StringBuilder.h>
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#include <stdio.h>
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namespace Profiler {
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SamplesModel::SamplesModel(Profile& profile)
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: m_profile(profile)
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{
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m_user_frame_icon.set_bitmap_for_size(16, Gfx::Bitmap::load_from_file("/res/icons/16x16/inspector-object.png"));
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m_kernel_frame_icon.set_bitmap_for_size(16, Gfx::Bitmap::load_from_file("/res/icons/16x16/inspector-object-red.png"));
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}
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SamplesModel::~SamplesModel()
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{
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}
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int SamplesModel::row_count(const GUI::ModelIndex&) const
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{
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return m_profile.filtered_event_indices().size();
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}
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int SamplesModel::column_count(const GUI::ModelIndex&) const
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{
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return Column::__Count;
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}
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String SamplesModel::column_name(int column) const
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{
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switch (column) {
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case Column::SampleIndex:
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return "#";
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case Column::Timestamp:
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return "Timestamp";
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case Column::ProcessID:
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return "PID";
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case Column::ThreadID:
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return "TID";
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case Column::ExecutableName:
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return "Executable";
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case Column::LostSamples:
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return "Lost Samples";
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case Column::InnermostStackFrame:
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return "Innermost Frame";
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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 SamplesModel::data(const GUI::ModelIndex& index, GUI::ModelRole role) const
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{
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u32 event_index = m_profile.filtered_event_indices()[index.row()];
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auto& event = m_profile.events().at(event_index);
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if (role == GUI::ModelRole::Custom) {
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return event_index;
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}
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if (role == GUI::ModelRole::Display) {
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if (index.column() == Column::SampleIndex)
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return event_index;
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if (index.column() == Column::ProcessID)
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return event.pid;
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if (index.column() == Column::ThreadID)
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return event.tid;
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if (index.column() == Column::ExecutableName) {
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if (auto* process = m_profile.find_process(event.pid, event.serial))
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return process->executable;
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return "";
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}
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if (index.column() == Column::Timestamp) {
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return (u32)event.timestamp;
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}
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if (index.column() == Column::LostSamples) {
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return event.lost_samples;
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}
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if (index.column() == Column::InnermostStackFrame) {
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return event.frames.last().symbol;
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}
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return {};
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}
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return {};
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}
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void SamplesModel::update()
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{
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did_update(Model::InvalidateAllIndices);
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}
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}
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