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https://github.com/RGBCube/serenity
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0d5e0e4cad
Dirty private memory is all memory in non-inode-backed mappings that's process-private, meaning it's not shared with any other process. This patch exposes that number via SystemMonitor, giving us an idea of how much memory each process is responsible for all on its own.
112 lines
2.8 KiB
C++
112 lines
2.8 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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DirtyPrivate,
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PurgeableVolatile,
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PurgeableNonvolatile,
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Syscalls,
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InodeFaults,
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ZeroFaults,
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CowFaults,
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FileReadBytes,
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FileWriteBytes,
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UnixSocketReadBytes,
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UnixSocketWriteBytes,
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IPv4SocketReadBytes,
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IPv4SocketWriteBytes,
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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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size_t amount_dirty_private;
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size_t amount_purgeable_volatile;
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size_t amount_purgeable_nonvolatile;
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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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unsigned unix_socket_read_bytes;
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unsigned unix_socket_write_bytes;
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unsigned ipv4_socket_read_bytes;
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unsigned ipv4_socket_write_bytes;
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unsigned file_read_bytes;
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unsigned file_write_bytes;
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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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