1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-23 03:15:07 +00:00
serenity/Applications/SystemMonitor/ProcessModel.h
Andreas Kling 9da121f837 SystemMonitor: Make all tabs except the process table lazily loaded
We now use GLazyWidget for all the secondary tabs, which makes the
program start up way faster than before.

There's a noticeable delay when you click on the "PCI Devices" tab
for the first time, but that's definitely better than always eating
that delay before seeing a window at all. :^)
2019-10-02 20:26:19 +02:00

76 lines
1.9 KiB
C++

#pragma once
#include <AK/String.h>
#include <AK/HashMap.h>
#include <AK/Vector.h>
#include <LibGUI/GModel.h>
#include <unistd.h>
class GraphWidget;
class ProcessModel final : public GModel {
public:
enum Column {
Icon = 0,
Name,
CPU,
State,
Priority,
User,
PID,
Virtual,
Physical,
Syscalls,
InodeFaults,
ZeroFaults,
CowFaults,
__Count
};
static ProcessModel& the();
static NonnullRefPtr<ProcessModel> create() { return adopt(*new ProcessModel); }
virtual ~ProcessModel() override;
virtual int row_count(const GModelIndex&) const override;
virtual int column_count(const GModelIndex&) const override;
virtual String column_name(int column) const override;
virtual ColumnMetadata column_metadata(int column) const override;
virtual GVariant data(const GModelIndex&, Role = Role::Display) const override;
virtual void update() override;
Function<void(float)> on_new_cpu_data_point;
private:
ProcessModel();
struct ProcessState {
pid_t pid;
unsigned times_scheduled;
String name;
String state;
String user;
String priority;
size_t amount_virtual;
size_t amount_resident;
unsigned syscall_count;
unsigned inode_faults;
unsigned zero_faults;
unsigned cow_faults;
float cpu_percent;
int icon_id;
};
struct Process {
ProcessState current_state;
ProcessState previous_state;
};
HashMap<uid_t, String> m_usernames;
HashMap<pid_t, NonnullOwnPtr<Process>> m_processes;
Vector<pid_t> m_pids;
RefPtr<GraphicsBitmap> m_generic_process_icon;
RefPtr<GraphicsBitmap> m_high_priority_icon;
RefPtr<GraphicsBitmap> m_low_priority_icon;
RefPtr<GraphicsBitmap> m_normal_priority_icon;
};