77 lines
1.6 KiB
C++
77 lines
1.6 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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#pragma once
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#include <AK/String.h>
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#include <LibCore/File.h>
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#include <unistd.h>
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namespace Core {
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struct ThreadStatistics {
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pid_t tid;
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unsigned times_scheduled;
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unsigned ticks_user;
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unsigned ticks_kernel;
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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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String state;
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u32 cpu;
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u32 priority;
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String name;
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};
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struct ProcessStatistics {
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// Keep this in sync with /proc/all.
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// From the kernel side:
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pid_t pid;
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pid_t pgid;
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pid_t pgp;
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pid_t sid;
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uid_t uid;
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gid_t gid;
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pid_t ppid;
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unsigned nfds;
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bool kernel;
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String name;
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String executable;
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String tty;
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String pledge;
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String veil;
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size_t amount_virtual;
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size_t amount_resident;
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size_t amount_shared;
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size_t amount_dirty_private;
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size_t amount_clean_inode;
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size_t amount_purgeable_volatile;
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size_t amount_purgeable_nonvolatile;
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Vector<Core::ThreadStatistics> threads;
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// synthetic
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String username;
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};
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class ProcessStatisticsReader {
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public:
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static Optional<Vector<Core::ProcessStatistics>> get_all(RefPtr<Core::File>&);
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static Optional<Vector<Core::ProcessStatistics>> get_all();
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private:
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static String username_from_uid(uid_t);
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static HashMap<uid_t, String> s_usernames;
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};
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}
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