mirror of
https://github.com/SerenityOS/serenity
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8464da1439
`Stream` will be qualified as `AK::Stream` until we remove the `Core::Stream` namespace. `IODevice` now reuses the `SeekMode` that is defined by `SeekableStream`, since defining its own would require us to qualify it with `AK::SeekMode` everywhere.
84 lines
1.9 KiB
C++
84 lines
1.9 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/DeprecatedString.h>
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#include <LibCore/Stream.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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u64 time_user;
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u64 time_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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DeprecatedString state;
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u32 cpu;
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u32 priority;
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DeprecatedString name;
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};
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struct ProcessStatistics {
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// Keep this in sync with /sys/kernel/processes.
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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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DeprecatedString name;
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DeprecatedString executable;
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DeprecatedString tty;
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DeprecatedString pledge;
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DeprecatedString 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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DeprecatedString username;
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};
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struct AllProcessesStatistics {
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Vector<ProcessStatistics> processes;
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u64 total_time_scheduled;
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u64 total_time_scheduled_kernel;
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};
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class ProcessStatisticsReader {
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public:
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static ErrorOr<AllProcessesStatistics> get_all(SeekableStream&, bool include_usernames = true);
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static ErrorOr<AllProcessesStatistics> get_all(bool include_usernames = true);
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private:
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static DeprecatedString username_from_uid(uid_t);
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static HashMap<uid_t, DeprecatedString> s_usernames;
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};
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}
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