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Code Issues Activity Actions

SystemMonitor: Update the process memory map once every second

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This commit is contained in:
Andreas Kling 2019-12-02 17:36:10 +01:00
parent 0e34b7d65e
commit 7970b594d5
2 changed files with 11 additions and 0 deletions
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8
Applications/SystemMonitor/ProcessMemoryMapWidget.cpp
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@ -1,4 +1,5 @@
#include "ProcessMemoryMapWidget.h" #include "ProcessMemoryMapWidget.h"
#include <LibCore/CTimer.h>
#include <LibGUI/GBoxLayout.h> #include <LibGUI/GBoxLayout.h>
#include <LibGUI/GJsonArrayModel.h> #include <LibGUI/GJsonArrayModel.h>
#include <LibGUI/GTableView.h> #include <LibGUI/GTableView.h>
@ -30,6 +31,7 @@ ProcessMemoryMapWidget::ProcessMemoryMapWidget(GWidget* parent)
}); });
pid_vm_fields.empend("name", "Name", TextAlignment::CenterLeft); pid_vm_fields.empend("name", "Name", TextAlignment::CenterLeft);
m_table_view->set_model(GJsonArrayModel::create({}, move(pid_vm_fields))); m_table_view->set_model(GJsonArrayModel::create({}, move(pid_vm_fields)));
m_timer = CTimer::construct(1000, [this] { refresh(); }, this);
} }
ProcessMemoryMapWidget::~ProcessMemoryMapWidget() ProcessMemoryMapWidget::~ProcessMemoryMapWidget()
@ -43,3 +45,9 @@ void ProcessMemoryMapWidget::set_pid(pid_t pid)
m_pid = pid; m_pid = pid;
static_cast<GJsonArrayModel*>(m_table_view->model())->set_json_path(String::format("/proc/%d/vm", pid)); static_cast<GJsonArrayModel*>(m_table_view->model())->set_json_path(String::format("/proc/%d/vm", pid));
} }
void ProcessMemoryMapWidget::refresh()
{
if (m_pid != -1)
m_table_view->model()->update();
}

3
Applications/SystemMonitor/ProcessMemoryMapWidget.h
View file

@ -2,6 +2,7 @@
#include <LibGUI/GWidget.h> #include <LibGUI/GWidget.h>
class CTimer;
class GTableView; class GTableView;
class ProcessMemoryMapWidget final : public GWidget { class ProcessMemoryMapWidget final : public GWidget {
@ -10,9 +11,11 @@ public:
virtual ~ProcessMemoryMapWidget() override; virtual ~ProcessMemoryMapWidget() override;
void set_pid(pid_t); void set_pid(pid_t);
void refresh();
private: private:
explicit ProcessMemoryMapWidget(GWidget* parent); explicit ProcessMemoryMapWidget(GWidget* parent);
RefPtr<GTableView> m_table_view; RefPtr<GTableView> m_table_view;
pid_t m_pid { -1 }; pid_t m_pid { -1 };
RefPtr<CTimer> m_timer;
}; };