mirror of
https://github.com/RGBCube/serenity
synced 2025-05-31 11:28:12 +00:00
712ae73581
Previously it was not possible to see what each thread in a process was up to, or how much CPU it was consuming. This patch fixes that. SystemMonitor and "top" now show threads instead of just processes. "ps" is gonna need some more fixing, but it at least builds for now. Fixes #66.
94 lines
2.2 KiB
C++
94 lines
2.2 KiB
C++
#pragma once
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#include <AK/HashMap.h>
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#include <AK/String.h>
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#include <AK/Vector.h>
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#include <LibGUI/GModel.h>
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#include <unistd.h>
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class GraphWidget;
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struct PidAndTid {
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bool operator==(const PidAndTid& other) const
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{
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return pid == other.pid && tid == other.tid;
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}
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pid_t pid;
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int tid;
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};
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class ProcessModel final : public GModel {
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public:
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enum Column {
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Icon = 0,
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Name,
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CPU,
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State,
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Priority,
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User,
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PID,
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TID,
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Virtual,
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Physical,
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Syscalls,
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InodeFaults,
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ZeroFaults,
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CowFaults,
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__Count
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};
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static ProcessModel& the();
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static NonnullRefPtr<ProcessModel> create() { return adopt(*new ProcessModel); }
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virtual ~ProcessModel() override;
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virtual int row_count(const GModelIndex&) const override;
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virtual int column_count(const GModelIndex&) const override;
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virtual String column_name(int column) const override;
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virtual ColumnMetadata column_metadata(int column) const override;
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virtual GVariant data(const GModelIndex&, Role = Role::Display) const override;
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virtual void update() override;
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Function<void(float)> on_new_cpu_data_point;
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private:
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ProcessModel();
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struct ThreadState {
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int tid;
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pid_t pid;
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unsigned times_scheduled;
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String name;
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String state;
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String user;
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String priority;
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size_t amount_virtual;
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size_t amount_resident;
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unsigned syscall_count;
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unsigned inode_faults;
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unsigned zero_faults;
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unsigned cow_faults;
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float cpu_percent;
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int icon_id;
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};
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struct Thread {
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ThreadState current_state;
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ThreadState previous_state;
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};
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HashMap<uid_t, String> m_usernames;
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HashMap<PidAndTid, NonnullOwnPtr<Thread>> m_threads;
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Vector<PidAndTid> m_pids;
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RefPtr<GraphicsBitmap> m_generic_process_icon;
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RefPtr<GraphicsBitmap> m_high_priority_icon;
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RefPtr<GraphicsBitmap> m_low_priority_icon;
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RefPtr<GraphicsBitmap> m_normal_priority_icon;
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};
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namespace AK {
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template<>
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struct Traits<PidAndTid> : public GenericTraits<PidAndTid> {
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static unsigned hash(const PidAndTid& value) { return pair_int_hash(value.pid, value.tid); }
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};
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}
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