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This allows for commands like netstat to reference /proc/net and
identify a connection's owning process. Process information is limited
to superusers and user owned processes.
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Instead, use more static patterns to acquire that sort of data.
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We commonly talk about "a process's address space" so let's nudge the
code towards matching how we talk about it. :^)
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Add the fields 'link_speed' (integer or -1) for the speed and
'link_full_duplex' (true for full, false for half) to indicate
link duplex.
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File and directory permissions regressed with the recent ProcFS changes.
This patch restores the superuser-only permissions where appropriate.
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This enables further work on implementing KASLR by adding relocation
support to the pre-kernel and updating the kernel to be less dependent
on specific virtual memory layouts.
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This file contains the kernel base address as a decimal integer.
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This switches tracking CPU usage to more accurately measure time in
user and kernel land using either the TSC or another time source.
This will also come in handy when implementing a tickless kernel mode.
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As threads come and go, we can't simply account for how many time
slices the threads at any given point may have been using. We need to
also account for threads that have since disappeared. This means we
also need to track how many time slices we have expired globally.
However, because this doesn't account for context switches outside of
the system timer tick values may still be under-reported. To solve this
we will need to track more accurate time information on each context
switch.
This also fixes top's cpu usage calculation which was still based on
the number of context switches.
Fixes #6473
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This patch moves all the USB data from /proc/bus/usb to /sys/bus/usb.
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Folders are a GUI concept. File systems have directories.
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Let's be explicit about what kind of lock this is meant to be.
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This matches the formatting used in SysFS.
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Folders are a GUI concept, file systems have directories. :^)
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This matches our common naming style better.
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We already use PAE for the NX bit, but this changes the PhysicalAddress
structure to be able to hold 64 bit physical addresses. This allows us
to use all the available physical memory.
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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 :)
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