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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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| 
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| #pragma once
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| 
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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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| 
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| namespace Core {
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| 
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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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| 
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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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|     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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| 
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|     Vector<Core::ThreadStatistics> threads;
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| 
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|     // synthetic
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|     String username;
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| };
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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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| 
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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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| }
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