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| author | Liav A <liavalb@gmail.com> | 2022-10-15 06:03:58 +0300 |
|---|---|---|
| committer | Andrew Kaster <andrewdkaster@gmail.com> | 2022-10-25 15:33:34 -0600 |
| commit | 4556fdc8911c2a43413beb182bac9def16ab43ea (patch) | |
| tree | da9254ae1262b2b03b6cf0dbee89eca0de2b1ebf /Base/usr | |
| parent | a91589c09b94477ffaff4fdf28c280790ee1441a (diff) | |
| download | serenity-4556fdc8911c2a43413beb182bac9def16ab43ea.zip | |
Base: Document the new /sys/kernel/ directory
Diffstat (limited to 'Base/usr')
| -rw-r--r-- | Base/usr/share/man/man7/sys.md | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Base/usr/share/man/man7/sys.md b/Base/usr/share/man/man7/sys.md index 980a4ff571..e09ff6fdc0 100644 --- a/Base/usr/share/man/man7/sys.md +++ b/Base/usr/share/man/man7/sys.md @@ -37,6 +37,47 @@ A file called `power_state` is responsible for power state switching. This file only responds to write requests on it. A written value of `1` results in system reboot. A written value of `2` results in system shutdown. +### `kernel` directory + +This directory includes two subdirectories - `net` and `variables`. +All other files in the directory are global data nodes which provide statistics +and other kernel-related data to userspace. + +#### `kernel` directory entries + +* **`processes`** - This node exports a list of all processes that currently exist. +* **`cmdline`** - This node exports the kernel boot commandline that was passed from the bootloader. +* **`cpuinfo`** - This node exports information on the CPU. +* **`df`** - This node exports information on mounted filesystems and basic statistics on +them. +* **`dmesg`** - This node exports information from the kernel log. +* **`interrupts`** - This node exports information on all IRQ handlers and basic statistics on +them. +* **`load_base`** - This node reveals the loading address of the kernel. +* **`keymap`** - This node exports information on the currently used keymap. +* **`memstat`** - This node exports statistics on memory allocation in the kernel. +* **`profile`** - This node exports statistics on profiling data. +* **`stats`** - This node exports statistics on scheduler timing data. +* **`system_mode`** - This node exports the chosen system mode as it was decided based on the kernel commandline or a default value. +* **`uptime`** - This node exports the uptime data. + +#### `net` directory + +* **`adapters`** - This node exports information on all currently-discovered network adapters. +* **`arp`** - This node exports information on the kernel ARP table. +* **`local`** - This node exports information on local (Unix) sockets. +* **`tcp`** - This node exports information on TCP sockets. +* **`udp`** - This node exports information on UDP sockets. + +#### `variables` directory + +This subdirectory includes global settings of the kernel. + +* **`caps_lock_to_ctrl`** - This node controls remapping of of caps lock to the Ctrl key. +* **`kmalloc_stacks`** - This node controls whether to send information about kmalloc to debug log. +* **`ubsan_is_deadly`** - This node controls the deadliness of the kernel undefined behavior +sanitizer errors. + ### Consistency and stability of data across multiple read operations When opening a data node, the kernel generates the required data so it's prepared |