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95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/HashMap.h>
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#include <AK/String.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;
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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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u32 effective_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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unsigned pgid;
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unsigned pgp;
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unsigned 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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String name;
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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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int icon_id;
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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 HashMap<pid_t, 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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