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https://github.com/SerenityOS/serenity.git
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47149e625f
Instead of using one file for the entire "backend" of the ProcFS data and metadata, we could split that file into two files that represent 2 logical chunks of the ProcFS exposed objects: 1. Global and inter-process information. This includes all fixed data in the root folder of the ProcFS, networking information and the bus folder. 2. Per-process information. This includes all dynamic data about a process that resides in the /proc/PID/ folder. This change makes it more easier to read the code and to change it, hence we do it although there's no technical benefit from it now :)
925 lines
33 KiB
C++
925 lines
33 KiB
C++
/*
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* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/JsonArraySerializer.h>
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#include <AK/JsonObject.h>
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#include <AK/JsonObjectSerializer.h>
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#include <AK/JsonValue.h>
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#include <AK/UBSanitizer.h>
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#include <Kernel/Arch/x86/CPU.h>
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#include <Kernel/Arch/x86/InterruptDisabler.h>
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#include <Kernel/Arch/x86/ProcessorInfo.h>
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#include <Kernel/CommandLine.h>
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#include <Kernel/ConsoleDevice.h>
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#include <Kernel/Devices/HID/HIDManagement.h>
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#include <Kernel/FileSystem/Custody.h>
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#include <Kernel/FileSystem/FileBackedFileSystem.h>
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#include <Kernel/FileSystem/FileDescription.h>
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#include <Kernel/Heap/kmalloc.h>
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#include <Kernel/Interrupts/GenericInterruptHandler.h>
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#include <Kernel/Interrupts/InterruptManagement.h>
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#include <Kernel/KBufferBuilder.h>
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#include <Kernel/Module.h>
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#include <Kernel/Net/LocalSocket.h>
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#include <Kernel/Net/NetworkAdapter.h>
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#include <Kernel/Net/NetworkingManagement.h>
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#include <Kernel/Net/Routing.h>
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#include <Kernel/Net/TCPSocket.h>
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#include <Kernel/Net/UDPSocket.h>
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#include <Kernel/PCI/Access.h>
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#include <Kernel/ProcessExposed.h>
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#include <Kernel/Sections.h>
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namespace Kernel {
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class ProcFSAdapters final : public ProcFSGlobalInformation {
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public:
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static NonnullRefPtr<ProcFSAdapters> must_create();
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private:
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ProcFSAdapters();
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virtual bool output(KBufferBuilder& builder) override
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{
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JsonArraySerializer array { builder };
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NetworkingManagement::the().for_each([&array](auto& adapter) {
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auto obj = array.add_object();
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obj.add("name", adapter.name());
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obj.add("class_name", adapter.class_name());
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obj.add("mac_address", adapter.mac_address().to_string());
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if (!adapter.ipv4_address().is_zero()) {
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obj.add("ipv4_address", adapter.ipv4_address().to_string());
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obj.add("ipv4_netmask", adapter.ipv4_netmask().to_string());
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}
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if (!adapter.ipv4_gateway().is_zero())
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obj.add("ipv4_gateway", adapter.ipv4_gateway().to_string());
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obj.add("packets_in", adapter.packets_in());
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obj.add("bytes_in", adapter.bytes_in());
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obj.add("packets_out", adapter.packets_out());
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obj.add("bytes_out", adapter.bytes_out());
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obj.add("link_up", adapter.link_up());
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obj.add("mtu", adapter.mtu());
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});
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array.finish();
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return true;
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}
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};
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class ProcFSARP final : public ProcFSGlobalInformation {
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public:
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static NonnullRefPtr<ProcFSARP> must_create();
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private:
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ProcFSARP();
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virtual bool output(KBufferBuilder& builder) override
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{
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JsonArraySerializer array { builder };
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Locker locker(arp_table().lock(), Lock::Mode::Shared);
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for (auto& it : arp_table().resource()) {
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auto obj = array.add_object();
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obj.add("mac_address", it.value.to_string());
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obj.add("ip_address", it.key.to_string());
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}
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array.finish();
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return true;
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}
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};
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class ProcFSTCP final : public ProcFSGlobalInformation {
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public:
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static NonnullRefPtr<ProcFSTCP> must_create();
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private:
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ProcFSTCP();
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virtual bool output(KBufferBuilder& builder) override
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{
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JsonArraySerializer array { builder };
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TCPSocket::for_each([&array](auto& socket) {
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auto obj = array.add_object();
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obj.add("local_address", socket.local_address().to_string());
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obj.add("local_port", socket.local_port());
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obj.add("peer_address", socket.peer_address().to_string());
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obj.add("peer_port", socket.peer_port());
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obj.add("state", TCPSocket::to_string(socket.state()));
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obj.add("ack_number", socket.ack_number());
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obj.add("sequence_number", socket.sequence_number());
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obj.add("packets_in", socket.packets_in());
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obj.add("bytes_in", socket.bytes_in());
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obj.add("packets_out", socket.packets_out());
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obj.add("bytes_out", socket.bytes_out());
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});
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array.finish();
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return true;
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}
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};
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class ProcFSLocalNet final : public ProcFSGlobalInformation {
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public:
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static NonnullRefPtr<ProcFSLocalNet> must_create();
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private:
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ProcFSLocalNet();
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virtual bool output(KBufferBuilder& builder) override
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{
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JsonArraySerializer array { builder };
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LocalSocket::for_each([&array](auto& socket) {
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auto obj = array.add_object();
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obj.add("path", String(socket.socket_path()));
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obj.add("origin_pid", socket.origin_pid());
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obj.add("origin_uid", socket.origin_uid());
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obj.add("origin_gid", socket.origin_gid());
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obj.add("acceptor_pid", socket.acceptor_pid());
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obj.add("acceptor_uid", socket.acceptor_uid());
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obj.add("acceptor_gid", socket.acceptor_gid());
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});
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array.finish();
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return true;
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}
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};
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class ProcFSUDP final : public ProcFSGlobalInformation {
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public:
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static NonnullRefPtr<ProcFSUDP> must_create();
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private:
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ProcFSUDP();
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virtual bool output(KBufferBuilder& builder) override
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{
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JsonArraySerializer array { builder };
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UDPSocket::for_each([&array](auto& socket) {
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auto obj = array.add_object();
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obj.add("local_address", socket.local_address().to_string());
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obj.add("local_port", socket.local_port());
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obj.add("peer_address", socket.peer_address().to_string());
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obj.add("peer_port", socket.peer_port());
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});
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array.finish();
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return true;
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}
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};
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class ProcFSNetworkDirectory : public ProcFSExposedFolder {
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public:
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static NonnullRefPtr<ProcFSNetworkDirectory> must_create(const ProcFSRootFolder& parent_folder);
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private:
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ProcFSNetworkDirectory(const ProcFSRootFolder& parent_folder);
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};
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class ProcFSSystemDirectory : public ProcFSExposedFolder {
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public:
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static NonnullRefPtr<ProcFSSystemDirectory> must_create(const ProcFSRootFolder& parent_folder);
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private:
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ProcFSSystemDirectory(const ProcFSRootFolder& parent_folder);
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};
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UNMAP_AFTER_INIT NonnullRefPtr<ProcFSAdapters> ProcFSAdapters::must_create()
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{
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return adopt_ref_if_nonnull(new (nothrow) ProcFSAdapters).release_nonnull();
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}
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UNMAP_AFTER_INIT NonnullRefPtr<ProcFSARP> ProcFSARP::must_create()
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{
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return adopt_ref_if_nonnull(new (nothrow) ProcFSARP).release_nonnull();
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}
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UNMAP_AFTER_INIT NonnullRefPtr<ProcFSTCP> ProcFSTCP::must_create()
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{
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return adopt_ref_if_nonnull(new (nothrow) ProcFSTCP).release_nonnull();
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}
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UNMAP_AFTER_INIT NonnullRefPtr<ProcFSLocalNet> ProcFSLocalNet::must_create()
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{
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return adopt_ref_if_nonnull(new (nothrow) ProcFSLocalNet).release_nonnull();
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}
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UNMAP_AFTER_INIT NonnullRefPtr<ProcFSUDP> ProcFSUDP::must_create()
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{
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return adopt_ref_if_nonnull(new (nothrow) ProcFSUDP).release_nonnull();
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}
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UNMAP_AFTER_INIT NonnullRefPtr<ProcFSNetworkDirectory> ProcFSNetworkDirectory::must_create(const ProcFSRootFolder& parent_folder)
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{
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auto folder = adopt_ref(*new (nothrow) ProcFSNetworkDirectory(parent_folder));
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folder->m_components.append(ProcFSAdapters::must_create());
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folder->m_components.append(ProcFSARP::must_create());
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folder->m_components.append(ProcFSTCP::must_create());
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folder->m_components.append(ProcFSLocalNet::must_create());
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folder->m_components.append(ProcFSUDP::must_create());
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return folder;
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}
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UNMAP_AFTER_INIT ProcFSAdapters::ProcFSAdapters()
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: ProcFSGlobalInformation("adapters"sv)
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{
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}
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UNMAP_AFTER_INIT ProcFSARP::ProcFSARP()
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: ProcFSGlobalInformation("arp"sv)
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{
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}
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UNMAP_AFTER_INIT ProcFSTCP::ProcFSTCP()
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: ProcFSGlobalInformation("tcp"sv)
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{
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}
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UNMAP_AFTER_INIT ProcFSLocalNet::ProcFSLocalNet()
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: ProcFSGlobalInformation("local"sv)
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{
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}
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UNMAP_AFTER_INIT ProcFSUDP::ProcFSUDP()
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: ProcFSGlobalInformation("udp"sv)
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{
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}
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UNMAP_AFTER_INIT ProcFSNetworkDirectory::ProcFSNetworkDirectory(const ProcFSRootFolder& parent_folder)
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: ProcFSExposedFolder("net"sv, parent_folder)
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{
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}
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class ProcFSSystemDirectory;
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class ProcFSDumpKmallocStacks : public ProcFSSystemBoolean {
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public:
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static NonnullRefPtr<ProcFSDumpKmallocStacks> must_create(const ProcFSSystemDirectory&);
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virtual bool value() const override
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{
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Locker locker(m_lock);
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return g_dump_kmalloc_stacks;
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}
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virtual void set_value(bool new_value) override
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{
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Locker locker(m_lock);
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g_dump_kmalloc_stacks = new_value;
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}
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private:
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ProcFSDumpKmallocStacks();
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mutable Lock m_lock;
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};
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class ProcFSUBSanDeadly : public ProcFSSystemBoolean {
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public:
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static NonnullRefPtr<ProcFSUBSanDeadly> must_create(const ProcFSSystemDirectory&);
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virtual bool value() const override
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{
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Locker locker(m_lock);
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return AK::UBSanitizer::g_ubsan_is_deadly;
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}
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virtual void set_value(bool new_value) override
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{
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Locker locker(m_lock);
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AK::UBSanitizer::g_ubsan_is_deadly = new_value;
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}
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private:
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ProcFSUBSanDeadly();
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mutable Lock m_lock;
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};
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class ProcFSCapsLockRemap : public ProcFSSystemBoolean {
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public:
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static NonnullRefPtr<ProcFSCapsLockRemap> must_create(const ProcFSSystemDirectory&);
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virtual bool value() const override
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{
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Locker locker(m_lock);
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return g_caps_lock_remapped_to_ctrl.load();
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}
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virtual void set_value(bool new_value) override
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{
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Locker locker(m_lock);
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g_caps_lock_remapped_to_ctrl.exchange(new_value);
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}
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private:
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ProcFSCapsLockRemap();
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mutable Lock m_lock;
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};
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UNMAP_AFTER_INIT NonnullRefPtr<ProcFSDumpKmallocStacks> ProcFSDumpKmallocStacks::must_create(const ProcFSSystemDirectory&)
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{
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return adopt_ref_if_nonnull(new (nothrow) ProcFSDumpKmallocStacks).release_nonnull();
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}
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UNMAP_AFTER_INIT NonnullRefPtr<ProcFSUBSanDeadly> ProcFSUBSanDeadly::must_create(const ProcFSSystemDirectory&)
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{
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return adopt_ref_if_nonnull(new (nothrow) ProcFSUBSanDeadly).release_nonnull();
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}
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UNMAP_AFTER_INIT NonnullRefPtr<ProcFSCapsLockRemap> ProcFSCapsLockRemap::must_create(const ProcFSSystemDirectory&)
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{
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return adopt_ref_if_nonnull(new (nothrow) ProcFSCapsLockRemap).release_nonnull();
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}
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UNMAP_AFTER_INIT ProcFSDumpKmallocStacks::ProcFSDumpKmallocStacks()
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: ProcFSSystemBoolean("kmalloc_stacks"sv)
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{
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}
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UNMAP_AFTER_INIT ProcFSUBSanDeadly::ProcFSUBSanDeadly()
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: ProcFSSystemBoolean("ubsan_is_deadly"sv)
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{
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}
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UNMAP_AFTER_INIT ProcFSCapsLockRemap::ProcFSCapsLockRemap()
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: ProcFSSystemBoolean("caps_lock_to_ctrl"sv)
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{
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}
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class ProcFSSelfProcessFolder final : public ProcFSExposedLink {
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public:
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static NonnullRefPtr<ProcFSSelfProcessFolder> must_create();
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private:
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ProcFSSelfProcessFolder();
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virtual bool acquire_link(KBufferBuilder& builder) override
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{
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builder.appendff("{}", Process::current()->pid().value());
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return true;
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}
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};
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class ProcFSDiskUsage final : public ProcFSGlobalInformation {
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public:
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static NonnullRefPtr<ProcFSDiskUsage> must_create();
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private:
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ProcFSDiskUsage();
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virtual bool output(KBufferBuilder& builder) override
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{
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JsonArraySerializer array { builder };
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VFS::the().for_each_mount([&array](auto& mount) {
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auto& fs = mount.guest_fs();
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auto fs_object = array.add_object();
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fs_object.add("class_name", fs.class_name());
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fs_object.add("total_block_count", fs.total_block_count());
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fs_object.add("free_block_count", fs.free_block_count());
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fs_object.add("total_inode_count", fs.total_inode_count());
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fs_object.add("free_inode_count", fs.free_inode_count());
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fs_object.add("mount_point", mount.absolute_path());
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fs_object.add("block_size", static_cast<u64>(fs.block_size()));
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fs_object.add("readonly", fs.is_readonly());
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fs_object.add("mount_flags", mount.flags());
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if (fs.is_file_backed())
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fs_object.add("source", static_cast<const FileBackedFS&>(fs).file_description().absolute_path());
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else
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fs_object.add("source", "none");
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});
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array.finish();
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return true;
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}
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};
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class ProcFSMemoryStatus final : public ProcFSGlobalInformation {
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public:
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static NonnullRefPtr<ProcFSMemoryStatus> must_create();
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private:
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ProcFSMemoryStatus();
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virtual bool output(KBufferBuilder& builder) override
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{
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InterruptDisabler disabler;
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kmalloc_stats stats;
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get_kmalloc_stats(stats);
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ScopedSpinLock mm_lock(s_mm_lock);
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auto user_physical_pages_total = MM.user_physical_pages();
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auto user_physical_pages_used = MM.user_physical_pages_used();
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auto user_physical_pages_committed = MM.user_physical_pages_committed();
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auto user_physical_pages_uncommitted = MM.user_physical_pages_uncommitted();
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auto super_physical_total = MM.super_physical_pages();
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auto super_physical_used = MM.super_physical_pages_used();
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mm_lock.unlock();
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JsonObjectSerializer<KBufferBuilder> json { builder };
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json.add("kmalloc_allocated", stats.bytes_allocated);
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json.add("kmalloc_available", stats.bytes_free);
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json.add("kmalloc_eternal_allocated", stats.bytes_eternal);
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json.add("user_physical_allocated", user_physical_pages_used);
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json.add("user_physical_available", user_physical_pages_total - user_physical_pages_used);
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json.add("user_physical_committed", user_physical_pages_committed);
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json.add("user_physical_uncommitted", user_physical_pages_uncommitted);
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json.add("super_physical_allocated", super_physical_used);
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json.add("super_physical_available", super_physical_total - super_physical_used);
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json.add("kmalloc_call_count", stats.kmalloc_call_count);
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json.add("kfree_call_count", stats.kfree_call_count);
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slab_alloc_stats([&json](size_t slab_size, size_t num_allocated, size_t num_free) {
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auto prefix = String::formatted("slab_{}", slab_size);
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json.add(String::formatted("{}_num_allocated", prefix), num_allocated);
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json.add(String::formatted("{}_num_free", prefix), num_free);
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});
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json.finish();
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return true;
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}
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};
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class ProcFSOverallProcesses final : public ProcFSGlobalInformation {
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public:
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static NonnullRefPtr<ProcFSOverallProcesses> must_create();
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private:
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ProcFSOverallProcesses();
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virtual bool output(KBufferBuilder& builder) override
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{
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JsonArraySerializer array { builder };
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// Keep this in sync with CProcessStatistics.
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auto build_process = [&](const Process& process) {
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auto process_object = array.add_object();
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if (process.is_user_process()) {
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StringBuilder pledge_builder;
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#define __ENUMERATE_PLEDGE_PROMISE(promise) \
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if (process.has_promised(Pledge::promise)) { \
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pledge_builder.append(#promise " "); \
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}
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ENUMERATE_PLEDGE_PROMISES
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#undef __ENUMERATE_PLEDGE_PROMISE
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process_object.add("pledge", pledge_builder.to_string());
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switch (process.veil_state()) {
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case VeilState::None:
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process_object.add("veil", "None");
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break;
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case VeilState::Dropped:
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process_object.add("veil", "Dropped");
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break;
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case VeilState::Locked:
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process_object.add("veil", "Locked");
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break;
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}
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} else {
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process_object.add("pledge", String());
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process_object.add("veil", String());
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}
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process_object.add("pid", process.pid().value());
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process_object.add("pgid", process.tty() ? process.tty()->pgid().value() : 0);
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process_object.add("pgp", process.pgid().value());
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process_object.add("sid", process.sid().value());
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process_object.add("uid", process.uid());
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process_object.add("gid", process.gid());
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process_object.add("ppid", process.ppid().value());
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process_object.add("nfds", process.fds().open_count());
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process_object.add("name", process.name());
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process_object.add("executable", process.executable() ? process.executable()->absolute_path() : "");
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|
process_object.add("tty", process.tty() ? process.tty()->tty_name() : "notty");
|
|
process_object.add("amount_virtual", process.space().amount_virtual());
|
|
process_object.add("amount_resident", process.space().amount_resident());
|
|
process_object.add("amount_dirty_private", process.space().amount_dirty_private());
|
|
process_object.add("amount_clean_inode", process.space().amount_clean_inode());
|
|
process_object.add("amount_shared", process.space().amount_shared());
|
|
process_object.add("amount_purgeable_volatile", process.space().amount_purgeable_volatile());
|
|
process_object.add("amount_purgeable_nonvolatile", process.space().amount_purgeable_nonvolatile());
|
|
process_object.add("dumpable", process.is_dumpable());
|
|
process_object.add("kernel", process.is_kernel_process());
|
|
auto thread_array = process_object.add_array("threads");
|
|
process.for_each_thread([&](const Thread& thread) {
|
|
auto thread_object = thread_array.add_object();
|
|
#if LOCK_DEBUG
|
|
thread_object.add("lock_count", thread.lock_count());
|
|
#endif
|
|
thread_object.add("tid", thread.tid().value());
|
|
thread_object.add("name", thread.name());
|
|
thread_object.add("times_scheduled", thread.times_scheduled());
|
|
thread_object.add("ticks_user", thread.ticks_in_user());
|
|
thread_object.add("ticks_kernel", thread.ticks_in_kernel());
|
|
thread_object.add("state", thread.state_string());
|
|
thread_object.add("cpu", thread.cpu());
|
|
thread_object.add("priority", thread.priority());
|
|
thread_object.add("syscall_count", thread.syscall_count());
|
|
thread_object.add("inode_faults", thread.inode_faults());
|
|
thread_object.add("zero_faults", thread.zero_faults());
|
|
thread_object.add("cow_faults", thread.cow_faults());
|
|
thread_object.add("file_read_bytes", thread.file_read_bytes());
|
|
thread_object.add("file_write_bytes", thread.file_write_bytes());
|
|
thread_object.add("unix_socket_read_bytes", thread.unix_socket_read_bytes());
|
|
thread_object.add("unix_socket_write_bytes", thread.unix_socket_write_bytes());
|
|
thread_object.add("ipv4_socket_read_bytes", thread.ipv4_socket_read_bytes());
|
|
thread_object.add("ipv4_socket_write_bytes", thread.ipv4_socket_write_bytes());
|
|
});
|
|
};
|
|
|
|
ScopedSpinLock lock(g_scheduler_lock);
|
|
auto processes = Process::all_processes();
|
|
build_process(*Scheduler::colonel());
|
|
for (auto& process : processes)
|
|
build_process(process);
|
|
array.finish();
|
|
return true;
|
|
}
|
|
};
|
|
class ProcFSCPUInformation final : public ProcFSGlobalInformation {
|
|
public:
|
|
static NonnullRefPtr<ProcFSCPUInformation> must_create();
|
|
|
|
private:
|
|
ProcFSCPUInformation();
|
|
virtual bool output(KBufferBuilder& builder) override
|
|
{
|
|
JsonArraySerializer array { builder };
|
|
Processor::for_each(
|
|
[&](Processor& proc) {
|
|
auto& info = proc.info();
|
|
auto obj = array.add_object();
|
|
JsonArray features;
|
|
for (auto& feature : info.features().split(' '))
|
|
features.append(feature);
|
|
obj.add("processor", proc.get_id());
|
|
obj.add("cpuid", info.cpuid());
|
|
obj.add("family", info.display_family());
|
|
obj.add("features", features);
|
|
obj.add("model", info.display_model());
|
|
obj.add("stepping", info.stepping());
|
|
obj.add("type", info.type());
|
|
obj.add("brandstr", info.brandstr());
|
|
});
|
|
array.finish();
|
|
return true;
|
|
}
|
|
};
|
|
class ProcFSDmesg final : public ProcFSGlobalInformation {
|
|
public:
|
|
static NonnullRefPtr<ProcFSDmesg> must_create();
|
|
|
|
private:
|
|
ProcFSDmesg();
|
|
virtual bool output(KBufferBuilder& builder) override
|
|
{
|
|
InterruptDisabler disabler;
|
|
for (char ch : ConsoleDevice::the().logbuffer())
|
|
builder.append(ch);
|
|
return true;
|
|
}
|
|
};
|
|
class ProcFSInterrupts final : public ProcFSGlobalInformation {
|
|
public:
|
|
static NonnullRefPtr<ProcFSInterrupts> must_create();
|
|
|
|
private:
|
|
ProcFSInterrupts();
|
|
virtual bool output(KBufferBuilder& builder) override
|
|
{
|
|
JsonArraySerializer array { builder };
|
|
InterruptManagement::the().enumerate_interrupt_handlers([&array](GenericInterruptHandler& handler) {
|
|
auto obj = array.add_object();
|
|
obj.add("purpose", handler.purpose());
|
|
obj.add("interrupt_line", handler.interrupt_number());
|
|
obj.add("controller", handler.controller());
|
|
obj.add("cpu_handler", 0); // FIXME: Determine the responsible CPU for each interrupt handler.
|
|
obj.add("device_sharing", (unsigned)handler.sharing_devices_count());
|
|
obj.add("call_count", (unsigned)handler.get_invoking_count());
|
|
});
|
|
array.finish();
|
|
return true;
|
|
}
|
|
};
|
|
class ProcFSKeymap final : public ProcFSGlobalInformation {
|
|
public:
|
|
static NonnullRefPtr<ProcFSKeymap> must_create();
|
|
|
|
private:
|
|
ProcFSKeymap();
|
|
virtual bool output(KBufferBuilder& builder) override
|
|
{
|
|
JsonObjectSerializer<KBufferBuilder> json { builder };
|
|
json.add("keymap", HIDManagement::the().keymap_name());
|
|
json.finish();
|
|
return true;
|
|
}
|
|
};
|
|
|
|
// FIXME: Remove this after we enumerate the SysFS from lspci and SystemMonitor
|
|
class ProcFSPCI final : public ProcFSGlobalInformation {
|
|
public:
|
|
static NonnullRefPtr<ProcFSPCI> must_create();
|
|
|
|
private:
|
|
ProcFSPCI();
|
|
virtual bool output(KBufferBuilder& builder) override
|
|
{
|
|
JsonArraySerializer array { builder };
|
|
PCI::enumerate([&array](PCI::Address address, PCI::ID id) {
|
|
auto obj = array.add_object();
|
|
obj.add("seg", address.seg());
|
|
obj.add("bus", address.bus());
|
|
obj.add("device", address.device());
|
|
obj.add("function", address.function());
|
|
obj.add("vendor_id", id.vendor_id);
|
|
obj.add("device_id", id.device_id);
|
|
obj.add("revision_id", PCI::get_revision_id(address));
|
|
obj.add("subclass", PCI::get_subclass(address));
|
|
obj.add("class", PCI::get_class(address));
|
|
obj.add("subsystem_id", PCI::get_subsystem_id(address));
|
|
obj.add("subsystem_vendor_id", PCI::get_subsystem_vendor_id(address));
|
|
});
|
|
array.finish();
|
|
return true;
|
|
}
|
|
};
|
|
|
|
class ProcFSDevices final : public ProcFSGlobalInformation {
|
|
public:
|
|
static NonnullRefPtr<ProcFSDevices> must_create();
|
|
|
|
private:
|
|
ProcFSDevices();
|
|
virtual bool output(KBufferBuilder& builder) override
|
|
{
|
|
JsonArraySerializer array { builder };
|
|
Device::for_each([&array](auto& device) {
|
|
auto obj = array.add_object();
|
|
obj.add("major", device.major());
|
|
obj.add("minor", device.minor());
|
|
obj.add("class_name", device.class_name());
|
|
|
|
if (device.is_block_device())
|
|
obj.add("type", "block");
|
|
else if (device.is_character_device())
|
|
obj.add("type", "character");
|
|
else
|
|
VERIFY_NOT_REACHED();
|
|
});
|
|
array.finish();
|
|
return true;
|
|
}
|
|
};
|
|
class ProcFSUptime final : public ProcFSGlobalInformation {
|
|
public:
|
|
static NonnullRefPtr<ProcFSUptime> must_create();
|
|
|
|
private:
|
|
ProcFSUptime();
|
|
virtual bool output(KBufferBuilder& builder) override
|
|
{
|
|
builder.appendff("{}\n", TimeManagement::the().uptime_ms() / 1000);
|
|
return true;
|
|
}
|
|
};
|
|
class ProcFSCommandLine final : public ProcFSGlobalInformation {
|
|
public:
|
|
static NonnullRefPtr<ProcFSCommandLine> must_create();
|
|
|
|
private:
|
|
ProcFSCommandLine();
|
|
virtual bool output(KBufferBuilder& builder) override
|
|
{
|
|
builder.append(kernel_command_line().string());
|
|
builder.append('\n');
|
|
return true;
|
|
}
|
|
};
|
|
class ProcFSModules final : public ProcFSGlobalInformation {
|
|
public:
|
|
static NonnullRefPtr<ProcFSModules> must_create();
|
|
|
|
private:
|
|
ProcFSModules();
|
|
virtual bool output(KBufferBuilder& builder) override
|
|
{
|
|
extern HashMap<String, OwnPtr<Module>>* g_modules;
|
|
JsonArraySerializer array { builder };
|
|
for (auto& it : *g_modules) {
|
|
auto obj = array.add_object();
|
|
obj.add("name", it.value->name);
|
|
obj.add("module_init", it.value->module_init);
|
|
obj.add("module_fini", it.value->module_fini);
|
|
u32 size = 0;
|
|
for (auto& section : it.value->sections) {
|
|
size += section.capacity();
|
|
}
|
|
obj.add("size", size);
|
|
}
|
|
array.finish();
|
|
return true;
|
|
}
|
|
};
|
|
class ProcFSProfile final : public ProcFSGlobalInformation {
|
|
public:
|
|
static NonnullRefPtr<ProcFSProfile> must_create();
|
|
|
|
private:
|
|
ProcFSProfile();
|
|
virtual bool output(KBufferBuilder& builder) override
|
|
{
|
|
extern PerformanceEventBuffer* g_global_perf_events;
|
|
if (!g_global_perf_events)
|
|
return false;
|
|
|
|
return g_global_perf_events->to_json(builder);
|
|
}
|
|
};
|
|
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSSelfProcessFolder> ProcFSSelfProcessFolder::must_create()
|
|
{
|
|
return adopt_ref_if_nonnull(new (nothrow) ProcFSSelfProcessFolder()).release_nonnull();
|
|
}
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSDiskUsage> ProcFSDiskUsage::must_create()
|
|
{
|
|
return adopt_ref_if_nonnull(new (nothrow) ProcFSDiskUsage).release_nonnull();
|
|
}
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSMemoryStatus> ProcFSMemoryStatus::must_create()
|
|
{
|
|
return adopt_ref_if_nonnull(new (nothrow) ProcFSMemoryStatus).release_nonnull();
|
|
}
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSOverallProcesses> ProcFSOverallProcesses::must_create()
|
|
{
|
|
return adopt_ref_if_nonnull(new (nothrow) ProcFSOverallProcesses).release_nonnull();
|
|
}
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSCPUInformation> ProcFSCPUInformation::must_create()
|
|
{
|
|
return adopt_ref_if_nonnull(new (nothrow) ProcFSCPUInformation).release_nonnull();
|
|
}
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSDmesg> ProcFSDmesg::must_create()
|
|
{
|
|
return adopt_ref_if_nonnull(new (nothrow) ProcFSDmesg).release_nonnull();
|
|
}
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSInterrupts> ProcFSInterrupts::must_create()
|
|
{
|
|
return adopt_ref_if_nonnull(new (nothrow) ProcFSInterrupts).release_nonnull();
|
|
}
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSKeymap> ProcFSKeymap::must_create()
|
|
{
|
|
return adopt_ref_if_nonnull(new (nothrow) ProcFSKeymap).release_nonnull();
|
|
}
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSPCI> ProcFSPCI::must_create()
|
|
{
|
|
return adopt_ref_if_nonnull(new (nothrow) ProcFSPCI).release_nonnull();
|
|
}
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSDevices> ProcFSDevices::must_create()
|
|
{
|
|
return adopt_ref_if_nonnull(new (nothrow) ProcFSDevices).release_nonnull();
|
|
}
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSUptime> ProcFSUptime::must_create()
|
|
{
|
|
return adopt_ref_if_nonnull(new (nothrow) ProcFSUptime).release_nonnull();
|
|
}
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSCommandLine> ProcFSCommandLine::must_create()
|
|
{
|
|
return adopt_ref_if_nonnull(new (nothrow) ProcFSCommandLine).release_nonnull();
|
|
}
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSModules> ProcFSModules::must_create()
|
|
{
|
|
return adopt_ref_if_nonnull(new (nothrow) ProcFSModules).release_nonnull();
|
|
}
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSProfile> ProcFSProfile::must_create()
|
|
{
|
|
return adopt_ref_if_nonnull(new (nothrow) ProcFSProfile).release_nonnull();
|
|
}
|
|
|
|
UNMAP_AFTER_INIT ProcFSSelfProcessFolder::ProcFSSelfProcessFolder()
|
|
: ProcFSExposedLink("self"sv)
|
|
{
|
|
}
|
|
UNMAP_AFTER_INIT ProcFSDiskUsage::ProcFSDiskUsage()
|
|
: ProcFSGlobalInformation("df"sv)
|
|
{
|
|
}
|
|
UNMAP_AFTER_INIT ProcFSMemoryStatus::ProcFSMemoryStatus()
|
|
: ProcFSGlobalInformation("memstat"sv)
|
|
{
|
|
}
|
|
UNMAP_AFTER_INIT ProcFSOverallProcesses::ProcFSOverallProcesses()
|
|
: ProcFSGlobalInformation("all"sv)
|
|
{
|
|
}
|
|
UNMAP_AFTER_INIT ProcFSCPUInformation::ProcFSCPUInformation()
|
|
: ProcFSGlobalInformation("cpuinfo"sv)
|
|
{
|
|
}
|
|
UNMAP_AFTER_INIT ProcFSDmesg::ProcFSDmesg()
|
|
: ProcFSGlobalInformation("dmesg"sv)
|
|
{
|
|
}
|
|
UNMAP_AFTER_INIT ProcFSInterrupts::ProcFSInterrupts()
|
|
: ProcFSGlobalInformation("interrupts"sv)
|
|
{
|
|
}
|
|
UNMAP_AFTER_INIT ProcFSKeymap::ProcFSKeymap()
|
|
: ProcFSGlobalInformation("keymap"sv)
|
|
{
|
|
}
|
|
UNMAP_AFTER_INIT ProcFSPCI::ProcFSPCI()
|
|
: ProcFSGlobalInformation("pci"sv)
|
|
{
|
|
}
|
|
UNMAP_AFTER_INIT ProcFSDevices::ProcFSDevices()
|
|
: ProcFSGlobalInformation("devices"sv)
|
|
{
|
|
}
|
|
UNMAP_AFTER_INIT ProcFSUptime::ProcFSUptime()
|
|
: ProcFSGlobalInformation("uptime"sv)
|
|
{
|
|
}
|
|
UNMAP_AFTER_INIT ProcFSCommandLine::ProcFSCommandLine()
|
|
: ProcFSGlobalInformation("cmdline"sv)
|
|
{
|
|
}
|
|
UNMAP_AFTER_INIT ProcFSModules::ProcFSModules()
|
|
: ProcFSGlobalInformation("modules"sv)
|
|
{
|
|
}
|
|
UNMAP_AFTER_INIT ProcFSProfile::ProcFSProfile()
|
|
: ProcFSGlobalInformation("profile"sv)
|
|
{
|
|
}
|
|
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSBusDirectory> ProcFSBusDirectory::must_create(const ProcFSRootFolder& parent_folder)
|
|
{
|
|
auto folder = adopt_ref(*new (nothrow) ProcFSBusDirectory(parent_folder));
|
|
return folder;
|
|
}
|
|
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSSystemDirectory> ProcFSSystemDirectory::must_create(const ProcFSRootFolder& parent_folder)
|
|
{
|
|
auto folder = adopt_ref(*new (nothrow) ProcFSSystemDirectory(parent_folder));
|
|
folder->m_components.append(ProcFSDumpKmallocStacks::must_create(folder));
|
|
folder->m_components.append(ProcFSUBSanDeadly::must_create(folder));
|
|
folder->m_components.append(ProcFSCapsLockRemap::must_create(folder));
|
|
return folder;
|
|
}
|
|
|
|
UNMAP_AFTER_INIT ProcFSBusDirectory::ProcFSBusDirectory(const ProcFSRootFolder& parent_folder)
|
|
: ProcFSExposedFolder("bus"sv, parent_folder)
|
|
{
|
|
}
|
|
UNMAP_AFTER_INIT ProcFSSystemDirectory::ProcFSSystemDirectory(const ProcFSRootFolder& parent_folder)
|
|
: ProcFSExposedFolder("sys"sv, parent_folder)
|
|
{
|
|
}
|
|
|
|
UNMAP_AFTER_INIT NonnullRefPtr<ProcFSRootFolder> ProcFSRootFolder::must_create()
|
|
{
|
|
auto folder = adopt_ref(*new (nothrow) ProcFSRootFolder);
|
|
folder->m_components.append(ProcFSSelfProcessFolder::must_create());
|
|
folder->m_components.append(ProcFSDiskUsage::must_create());
|
|
folder->m_components.append(ProcFSMemoryStatus::must_create());
|
|
folder->m_components.append(ProcFSOverallProcesses::must_create());
|
|
folder->m_components.append(ProcFSCPUInformation::must_create());
|
|
folder->m_components.append(ProcFSDmesg::must_create());
|
|
folder->m_components.append(ProcFSInterrupts::must_create());
|
|
folder->m_components.append(ProcFSKeymap::must_create());
|
|
folder->m_components.append(ProcFSPCI::must_create());
|
|
folder->m_components.append(ProcFSDevices::must_create());
|
|
folder->m_components.append(ProcFSUptime::must_create());
|
|
folder->m_components.append(ProcFSCommandLine::must_create());
|
|
folder->m_components.append(ProcFSModules::must_create());
|
|
folder->m_components.append(ProcFSProfile::must_create());
|
|
|
|
folder->m_components.append(ProcFSNetworkDirectory::must_create(*folder));
|
|
auto buses_folder = ProcFSBusDirectory::must_create(*folder);
|
|
folder->m_components.append(buses_folder);
|
|
folder->m_buses_folder = buses_folder;
|
|
folder->m_components.append(ProcFSSystemDirectory::must_create(*folder));
|
|
return folder;
|
|
}
|
|
|
|
KResult ProcFSRootFolder::traverse_as_directory(unsigned fsid, Function<bool(const FS::DirectoryEntryView&)> callback) const
|
|
{
|
|
Locker locker(ProcFSComponentsRegistrar::the().m_lock);
|
|
callback({ ".", { fsid, component_index() }, 0 });
|
|
callback({ "..", { fsid, 0 }, 0 });
|
|
|
|
for (auto& component : m_components) {
|
|
InodeIdentifier identifier = { fsid, component.component_index() };
|
|
callback({ component.name(), identifier, 0 });
|
|
}
|
|
for (auto& component : m_process_folders) {
|
|
InodeIdentifier identifier = { fsid, component.component_index() };
|
|
callback({ component.name(), identifier, 0 });
|
|
}
|
|
return KSuccess;
|
|
}
|
|
|
|
RefPtr<ProcFSExposedComponent> ProcFSRootFolder::lookup(StringView name)
|
|
{
|
|
if (auto candidate = ProcFSExposedFolder::lookup(name); !candidate.is_null())
|
|
return candidate;
|
|
|
|
for (auto& component : m_process_folders) {
|
|
if (component.name() == name) {
|
|
return component;
|
|
}
|
|
}
|
|
return {};
|
|
}
|
|
|
|
UNMAP_AFTER_INIT ProcFSRootFolder::ProcFSRootFolder()
|
|
: ProcFSExposedFolder("."sv)
|
|
{
|
|
}
|
|
|
|
UNMAP_AFTER_INIT ProcFSRootFolder::~ProcFSRootFolder()
|
|
{
|
|
}
|
|
|
|
RefPtr<ProcFSProcessFolder> ProcFSRootFolder::process_folder_for(Process& process)
|
|
{
|
|
RefPtr<Process> checked_process = process;
|
|
for (auto& folder : m_process_folders) {
|
|
if (folder.associated_process().ptr() == checked_process.ptr())
|
|
return folder;
|
|
}
|
|
return {};
|
|
}
|
|
|
|
}
|